Nicolas Geoffray | f5df897 | 2014-02-14 18:37:08 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 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_backend.h" |
| 18 | #include "elf_writer_quick.h" |
| 19 | #include "dex/quick/mir_to_lir.h" |
| 20 | #include "dex/mir_graph.h" |
| 21 | #include "driver/compiler_driver.h" |
| 22 | #include "mirror/art_method-inl.h" |
| 23 | |
| 24 | #ifdef ART_USE_PORTABLE_COMPILER |
| 25 | #include "dex/portable/mir_to_gbc.h" |
| 26 | #include "elf_writer_mclinker.h" |
| 27 | #endif |
| 28 | |
| 29 | namespace art { |
| 30 | |
| 31 | #ifdef ART_SEA_IR_MODE |
| 32 | extern "C" art::CompiledMethod* SeaIrCompileMethod(art::CompilerDriver& compiler, |
| 33 | const art::DexFile::CodeItem* code_item, |
| 34 | uint32_t access_flags, |
| 35 | art::InvokeType invoke_type, |
| 36 | uint16_t class_def_idx, |
| 37 | uint32_t method_idx, |
| 38 | jobject class_loader, |
| 39 | const art::DexFile& dex_file); |
| 40 | #endif |
| 41 | |
| 42 | extern "C" void ArtInitQuickCompilerContext(art::CompilerDriver& driver); |
| 43 | extern "C" void ArtUnInitQuickCompilerContext(art::CompilerDriver& driver); |
| 44 | extern "C" art::CompiledMethod* ArtQuickCompileMethod(art::CompilerDriver& compiler, |
| 45 | const art::DexFile::CodeItem* code_item, |
| 46 | uint32_t access_flags, |
| 47 | art::InvokeType invoke_type, |
| 48 | uint16_t class_def_idx, |
| 49 | uint32_t method_idx, |
| 50 | jobject class_loader, |
| 51 | const art::DexFile& dex_file); |
| 52 | |
| 53 | extern "C" art::CompiledMethod* ArtQuickJniCompileMethod(art::CompilerDriver& compiler, |
| 54 | uint32_t access_flags, uint32_t method_idx, |
| 55 | const art::DexFile& dex_file); |
| 56 | |
| 57 | |
| 58 | static CompiledMethod* TryCompileWithSeaIR(art::CompilerDriver& compiler, |
| 59 | const art::DexFile::CodeItem* code_item, |
| 60 | uint32_t access_flags, |
| 61 | art::InvokeType invoke_type, |
| 62 | uint16_t class_def_idx, |
| 63 | uint32_t method_idx, |
| 64 | jobject class_loader, |
| 65 | const art::DexFile& dex_file) { |
| 66 | #ifdef ART_SEA_IR_MODE |
| 67 | bool use_sea = Runtime::Current()->IsSeaIRMode(); |
| 68 | use_sea = use_sea && |
| 69 | (std::string::npos != PrettyMethod(method_idx, dex_file).find("fibonacci")); |
| 70 | if (use_sea) { |
| 71 | LOG(INFO) << "Using SEA IR to compile..." << std::endl; |
| 72 | return SeaIrCompileMethod(compiler, |
| 73 | code_item, |
| 74 | access_flags, |
| 75 | invoke_type, |
| 76 | class_def_idx, |
| 77 | method_idx, |
| 78 | class_loader, |
| 79 | dex_file); |
| 80 | } |
| 81 | #endif |
| 82 | return nullptr; |
| 83 | } |
| 84 | |
| 85 | |
| 86 | class QuickBackend : public CompilerBackend { |
| 87 | public: |
| 88 | QuickBackend() : CompilerBackend(100) {} |
| 89 | |
| 90 | void Init(CompilerDriver& driver) const { |
| 91 | ArtInitQuickCompilerContext(driver); |
| 92 | } |
| 93 | |
| 94 | void UnInit(CompilerDriver& driver) const { |
| 95 | ArtUnInitQuickCompilerContext(driver); |
| 96 | } |
| 97 | |
| 98 | CompiledMethod* Compile(CompilerDriver& compiler, |
| 99 | const DexFile::CodeItem* code_item, |
| 100 | uint32_t access_flags, |
| 101 | InvokeType invoke_type, |
| 102 | uint16_t class_def_idx, |
| 103 | uint32_t method_idx, |
| 104 | jobject class_loader, |
| 105 | const DexFile& dex_file) const { |
| 106 | CompiledMethod* method = TryCompileWithSeaIR(compiler, |
| 107 | code_item, |
| 108 | access_flags, |
| 109 | invoke_type, |
| 110 | class_def_idx, |
| 111 | method_idx, |
| 112 | class_loader, |
| 113 | dex_file); |
| 114 | if (method != nullptr) return method; |
| 115 | |
| 116 | return ArtQuickCompileMethod(compiler, |
| 117 | code_item, |
| 118 | access_flags, |
| 119 | invoke_type, |
| 120 | class_def_idx, |
| 121 | method_idx, |
| 122 | class_loader, |
| 123 | dex_file); |
| 124 | } |
| 125 | |
| 126 | CompiledMethod* JniCompile(CompilerDriver& driver, |
| 127 | uint32_t access_flags, |
| 128 | uint32_t method_idx, |
| 129 | const DexFile& dex_file) const { |
| 130 | return ArtQuickJniCompileMethod(driver, access_flags, method_idx, dex_file); |
| 131 | } |
| 132 | |
| 133 | uintptr_t GetEntryPointOf(mirror::ArtMethod* method) const { |
| 134 | return reinterpret_cast<uintptr_t>(method->GetEntryPointFromQuickCompiledCode()); |
| 135 | } |
| 136 | |
| 137 | bool WriteElf(art::File* file, |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 138 | OatWriter* oat_writer, |
Nicolas Geoffray | f5df897 | 2014-02-14 18:37:08 +0000 | [diff] [blame] | 139 | const std::vector<const art::DexFile*>& dex_files, |
| 140 | const std::string& android_root, |
| 141 | bool is_host, const CompilerDriver& driver) const |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 142 | OVERRIDE |
Nicolas Geoffray | f5df897 | 2014-02-14 18:37:08 +0000 | [diff] [blame] | 143 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 144 | return art::ElfWriterQuick::Create(file, oat_writer, dex_files, android_root, is_host, driver); |
| 145 | } |
| 146 | |
| 147 | Backend* GetCodeGenerator(CompilationUnit* cu, void* compilation_unit) const { |
| 148 | Mir2Lir* mir_to_lir = nullptr; |
| 149 | switch (cu->instruction_set) { |
| 150 | case kThumb2: |
| 151 | mir_to_lir = ArmCodeGenerator(cu, cu->mir_graph.get(), &cu->arena); |
| 152 | break; |
| 153 | case kMips: |
| 154 | mir_to_lir = MipsCodeGenerator(cu, cu->mir_graph.get(), &cu->arena); |
| 155 | break; |
| 156 | case kX86: |
| 157 | mir_to_lir = X86CodeGenerator(cu, cu->mir_graph.get(), &cu->arena); |
| 158 | break; |
| 159 | default: |
| 160 | LOG(FATAL) << "Unexpected instruction set: " << cu->instruction_set; |
| 161 | } |
| 162 | |
| 163 | /* The number of compiler temporaries depends on backend so set it up now if possible */ |
| 164 | if (mir_to_lir) { |
| 165 | size_t max_temps = mir_to_lir->GetMaxPossibleCompilerTemps(); |
| 166 | bool set_max = cu->mir_graph->SetMaxAvailableNonSpecialCompilerTemps(max_temps); |
| 167 | CHECK(set_max); |
| 168 | } |
| 169 | return mir_to_lir;; |
| 170 | } |
| 171 | |
| 172 | void InitCompilationUnit(CompilationUnit& cu) const {} |
| 173 | |
| 174 | private: |
| 175 | DISALLOW_COPY_AND_ASSIGN(QuickBackend); |
| 176 | }; |
| 177 | |
| 178 | #ifdef ART_USE_PORTABLE_COMPILER |
| 179 | |
| 180 | extern "C" void ArtInitCompilerContext(art::CompilerDriver& driver); |
Nicolas Geoffray | f3e2cc4 | 2014-02-18 18:37:26 +0000 | [diff] [blame] | 181 | |
Nicolas Geoffray | f5df897 | 2014-02-14 18:37:08 +0000 | [diff] [blame] | 182 | extern "C" void ArtUnInitCompilerContext(art::CompilerDriver& driver); |
Nicolas Geoffray | f3e2cc4 | 2014-02-18 18:37:26 +0000 | [diff] [blame] | 183 | |
Nicolas Geoffray | f5df897 | 2014-02-14 18:37:08 +0000 | [diff] [blame] | 184 | extern "C" art::CompiledMethod* ArtCompileMethod(art::CompilerDriver& driver, |
| 185 | const art::DexFile::CodeItem* code_item, |
| 186 | uint32_t access_flags, |
| 187 | art::InvokeType invoke_type, |
| 188 | uint16_t class_def_idx, |
| 189 | uint32_t method_idx, |
| 190 | jobject class_loader, |
| 191 | const art::DexFile& dex_file); |
Nicolas Geoffray | f3e2cc4 | 2014-02-18 18:37:26 +0000 | [diff] [blame] | 192 | |
Nicolas Geoffray | f5df897 | 2014-02-14 18:37:08 +0000 | [diff] [blame] | 193 | extern "C" art::CompiledMethod* ArtLLVMJniCompileMethod(art::CompilerDriver& driver, |
| 194 | uint32_t access_flags, uint32_t method_idx, |
| 195 | const art::DexFile& dex_file); |
| 196 | |
Nicolas Geoffray | f3e2cc4 | 2014-02-18 18:37:26 +0000 | [diff] [blame] | 197 | extern "C" void compilerLLVMSetBitcodeFileName(art::CompilerDriver& driver, |
| 198 | std::string const& filename); |
| 199 | |
Nicolas Geoffray | f5df897 | 2014-02-14 18:37:08 +0000 | [diff] [blame] | 200 | |
| 201 | class LLVMBackend : public CompilerBackend { |
| 202 | public: |
| 203 | LLVMBackend() : CompilerBackend(1000) {} |
| 204 | |
| 205 | void Init(CompilerDriver& driver) const { |
| 206 | ArtInitCompilerContext(driver); |
| 207 | } |
| 208 | |
| 209 | void UnInit(CompilerDriver& driver) const { |
| 210 | ArtUnInitCompilerContext(driver); |
| 211 | } |
| 212 | |
| 213 | CompiledMethod* Compile(CompilerDriver& compiler, |
| 214 | const DexFile::CodeItem* code_item, |
| 215 | uint32_t access_flags, |
| 216 | InvokeType invoke_type, |
| 217 | uint16_t class_def_idx, |
| 218 | uint32_t method_idx, |
| 219 | jobject class_loader, |
| 220 | const DexFile& dex_file) const { |
| 221 | CompiledMethod* method = TryCompileWithSeaIR(compiler, |
| 222 | code_item, |
| 223 | access_flags, |
| 224 | invoke_type, |
| 225 | class_def_idx, |
| 226 | method_idx, |
| 227 | class_loader, |
| 228 | dex_file); |
| 229 | if (method != nullptr) return method; |
| 230 | |
| 231 | return ArtCompileMethod(compiler, |
| 232 | code_item, |
| 233 | access_flags, |
| 234 | invoke_type, |
| 235 | class_def_idx, |
| 236 | method_idx, |
| 237 | class_loader, |
| 238 | dex_file); |
| 239 | } |
| 240 | |
| 241 | CompiledMethod* JniCompile(CompilerDriver& driver, |
| 242 | uint32_t access_flags, |
| 243 | uint32_t method_idx, |
| 244 | const DexFile& dex_file) const { |
| 245 | return ArtLLVMJniCompileMethod(driver, access_flags, method_idx, dex_file); |
| 246 | } |
| 247 | |
| 248 | uintptr_t GetEntryPointOf(mirror::ArtMethod* method) const { |
| 249 | return reinterpret_cast<uintptr_t>(method->GetEntryPointFromPortableCompiledCode()); |
| 250 | } |
| 251 | |
| 252 | bool WriteElf(art::File* file, |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 253 | OatWriter* oat_writer, |
Nicolas Geoffray | f5df897 | 2014-02-14 18:37:08 +0000 | [diff] [blame] | 254 | const std::vector<const art::DexFile*>& dex_files, |
| 255 | const std::string& android_root, |
| 256 | bool is_host, const CompilerDriver& driver) const |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 257 | OVERRIDE |
| 258 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Nicolas Geoffray | f5df897 | 2014-02-14 18:37:08 +0000 | [diff] [blame] | 259 | return art::ElfWriterMclinker::Create( |
| 260 | file, oat_writer, dex_files, android_root, is_host, driver); |
| 261 | } |
| 262 | |
| 263 | Backend* GetCodeGenerator(CompilationUnit* cu, void* compilation_unit) const { |
| 264 | return PortableCodeGenerator( |
| 265 | cu, cu->mir_graph.get(), &cu->arena, |
| 266 | reinterpret_cast<art::llvm::LlvmCompilationUnit*>(compilation_unit)); |
| 267 | } |
| 268 | |
| 269 | void InitCompilationUnit(CompilationUnit& cu) const { |
| 270 | // Fused long branches not currently useful in bitcode. |
| 271 | cu.disable_opt |= |
| 272 | (1 << kBranchFusing) | |
| 273 | (1 << kSuppressExceptionEdges); |
| 274 | } |
| 275 | |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 276 | bool IsPortable() const OVERRIDE { |
| 277 | return true; |
| 278 | } |
Nicolas Geoffray | f5df897 | 2014-02-14 18:37:08 +0000 | [diff] [blame] | 279 | |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 280 | void SetBitcodeFileName(const CompilerDriver& driver, const std::string& filename) { |
| 281 | typedef void (*SetBitcodeFileNameFn)(const CompilerDriver&, const std::string&); |
Nicolas Geoffray | f3e2cc4 | 2014-02-18 18:37:26 +0000 | [diff] [blame] | 282 | |
| 283 | SetBitcodeFileNameFn set_bitcode_file_name = |
| 284 | reinterpret_cast<SetBitcodeFileNameFn>(compilerLLVMSetBitcodeFileName); |
| 285 | |
Ian Rogers | 3d50407 | 2014-03-01 09:16:49 -0800 | [diff] [blame] | 286 | set_bitcode_file_name(driver, filename); |
Nicolas Geoffray | f3e2cc4 | 2014-02-18 18:37:26 +0000 | [diff] [blame] | 287 | } |
| 288 | |
Nicolas Geoffray | f5df897 | 2014-02-14 18:37:08 +0000 | [diff] [blame] | 289 | private: |
| 290 | DISALLOW_COPY_AND_ASSIGN(LLVMBackend); |
| 291 | }; |
| 292 | #endif |
| 293 | |
| 294 | CompilerBackend* CompilerBackend::Create(CompilerBackend::Kind kind) { |
| 295 | switch (kind) { |
| 296 | case kQuick: |
| 297 | return new QuickBackend(); |
| 298 | break; |
| 299 | case kPortable: |
| 300 | #ifdef ART_USE_PORTABLE_COMPILER |
| 301 | return new LLVMBackend(); |
| 302 | #else |
| 303 | LOG(FATAL) << "Portable compiler not compiled"; |
| 304 | #endif |
| 305 | break; |
| 306 | default: |
| 307 | LOG(FATAL) << "UNREACHABLE"; |
| 308 | } |
| 309 | return nullptr; |
| 310 | } |
| 311 | |
| 312 | } // namespace art |