compiler_driver.h revision b5d386118334fa5181c31b83b3fee6332537f4b7
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#ifndef ART_COMPILER_DRIVER_COMPILER_DRIVER_H_ 18#define ART_COMPILER_DRIVER_COMPILER_DRIVER_H_ 19 20#include <set> 21#include <string> 22#include <unordered_set> 23#include <vector> 24 25#include "arch/instruction_set.h" 26#include "base/arena_allocator.h" 27#include "base/bit_utils.h" 28#include "base/mutex.h" 29#include "base/timing_logger.h" 30#include "class_reference.h" 31#include "compiler.h" 32#include "dex_file.h" 33#include "driver/compiled_method_storage.h" 34#include "jit/offline_profiling_info.h" 35#include "invoke_type.h" 36#include "method_reference.h" 37#include "mirror/class.h" // For mirror::Class::Status. 38#include "os.h" 39#include "runtime.h" 40#include "safe_map.h" 41#include "thread_pool.h" 42#include "utils/array_ref.h" 43#include "utils/dex_cache_arrays_layout.h" 44 45namespace art { 46 47namespace mirror { 48class DexCache; 49} // namespace mirror 50 51namespace verifier { 52class MethodVerifier; 53} // namespace verifier 54 55class CompiledClass; 56class CompiledMethod; 57class CompilerOptions; 58class DexCompilationUnit; 59class DexFileToMethodInlinerMap; 60struct InlineIGetIPutData; 61class InstructionSetFeatures; 62class ParallelCompilationManager; 63class ScopedObjectAccess; 64template <class Allocator> class SrcMap; 65class SrcMapElem; 66using SwapSrcMap = SrcMap<SwapAllocator<SrcMapElem>>; 67template<class T> class Handle; 68class TimingLogger; 69class VerificationResults; 70class VerifiedMethod; 71 72enum EntryPointCallingConvention { 73 // ABI of invocations to a method's interpreter entry point. 74 kInterpreterAbi, 75 // ABI of calls to a method's native code, only used for native methods. 76 kJniAbi, 77 // ABI of calls to a method's quick code entry point. 78 kQuickAbi 79}; 80 81class CompilerDriver { 82 public: 83 // Create a compiler targeting the requested "instruction_set". 84 // "image" should be true if image specific optimizations should be 85 // enabled. "image_classes" lets the compiler know what classes it 86 // can assume will be in the image, with null implying all available 87 // classes. 88 CompilerDriver(const CompilerOptions* compiler_options, 89 VerificationResults* verification_results, 90 DexFileToMethodInlinerMap* method_inliner_map, 91 Compiler::Kind compiler_kind, 92 InstructionSet instruction_set, 93 const InstructionSetFeatures* instruction_set_features, 94 bool boot_image, 95 std::unordered_set<std::string>* image_classes, 96 std::unordered_set<std::string>* compiled_classes, 97 std::unordered_set<std::string>* compiled_methods, 98 size_t thread_count, 99 bool dump_stats, 100 bool dump_passes, 101 CumulativeLogger* timer, 102 int swap_fd, 103 const ProfileCompilationInfo* profile_compilation_info); 104 105 ~CompilerDriver(); 106 107 // Set dex files that will be stored in the oat file after being compiled. 108 void SetDexFilesForOatFile(const std::vector<const DexFile*>& dex_files) { 109 dex_files_for_oat_file_ = &dex_files; 110 } 111 112 // Get dex file that will be stored in the oat file after being compiled. 113 ArrayRef<const DexFile* const> GetDexFilesForOatFile() const { 114 return (dex_files_for_oat_file_ != nullptr) 115 ? ArrayRef<const DexFile* const>(*dex_files_for_oat_file_) 116 : ArrayRef<const DexFile* const>(); 117 } 118 119 void CompileAll(jobject class_loader, 120 const std::vector<const DexFile*>& dex_files, 121 TimingLogger* timings) 122 REQUIRES(!Locks::mutator_lock_, !compiled_classes_lock_); 123 124 // Compile a single Method. 125 void CompileOne(Thread* self, ArtMethod* method, TimingLogger* timings) 126 SHARED_REQUIRES(Locks::mutator_lock_) 127 REQUIRES(!compiled_methods_lock_, !compiled_classes_lock_); 128 129 VerificationResults* GetVerificationResults() const { 130 DCHECK(Runtime::Current()->IsAotCompiler()); 131 return verification_results_; 132 } 133 134 DexFileToMethodInlinerMap* GetMethodInlinerMap() const { 135 return method_inliner_map_; 136 } 137 138 InstructionSet GetInstructionSet() const { 139 return instruction_set_; 140 } 141 142 const InstructionSetFeatures* GetInstructionSetFeatures() const { 143 return instruction_set_features_; 144 } 145 146 const CompilerOptions& GetCompilerOptions() const { 147 return *compiler_options_; 148 } 149 150 Compiler* GetCompiler() const { 151 return compiler_.get(); 152 } 153 154 // Are we compiling and creating an image file? 155 bool IsBootImage() const { 156 return boot_image_; 157 } 158 159 const std::unordered_set<std::string>* GetImageClasses() const { 160 return image_classes_.get(); 161 } 162 163 // Generate the trampolines that are invoked by unresolved direct methods. 164 const std::vector<uint8_t>* CreateJniDlsymLookup() const; 165 const std::vector<uint8_t>* CreateQuickGenericJniTrampoline() const; 166 const std::vector<uint8_t>* CreateQuickImtConflictTrampoline() const; 167 const std::vector<uint8_t>* CreateQuickResolutionTrampoline() const; 168 const std::vector<uint8_t>* CreateQuickToInterpreterBridge() const; 169 170 CompiledClass* GetCompiledClass(ClassReference ref) const 171 REQUIRES(!compiled_classes_lock_); 172 173 CompiledMethod* GetCompiledMethod(MethodReference ref) const 174 REQUIRES(!compiled_methods_lock_); 175 size_t GetNonRelativeLinkerPatchCount() const 176 REQUIRES(!compiled_methods_lock_); 177 178 // Add a compiled method. 179 void AddCompiledMethod(const MethodReference& method_ref, 180 CompiledMethod* const compiled_method, 181 size_t non_relative_linker_patch_count) 182 REQUIRES(!compiled_methods_lock_); 183 // Remove and delete a compiled method. 184 void RemoveCompiledMethod(const MethodReference& method_ref) REQUIRES(!compiled_methods_lock_); 185 186 void AddRequiresNoConstructorBarrier(Thread* self, const DexFile* dex_file, 187 uint16_t class_def_index) 188 REQUIRES(!no_barrier_constructor_classes_lock_); 189 bool RequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 190 uint16_t class_def_index) const 191 REQUIRES(!no_barrier_constructor_classes_lock_); 192 193 // Callbacks from compiler to see what runtime checks must be generated. 194 195 bool CanAssumeTypeIsPresentInDexCache(const DexFile& dex_file, uint32_t type_idx); 196 197 bool CanAssumeStringIsPresentInDexCache(const DexFile& dex_file, uint32_t string_idx) 198 REQUIRES(!Locks::mutator_lock_); 199 200 // Are runtime access checks necessary in the compiled code? 201 bool CanAccessTypeWithoutChecks(uint32_t referrer_idx, const DexFile& dex_file, 202 uint32_t type_idx, bool* type_known_final = nullptr, 203 bool* type_known_abstract = nullptr, 204 bool* equals_referrers_class = nullptr) 205 REQUIRES(!Locks::mutator_lock_); 206 207 // Are runtime access and instantiable checks necessary in the code? 208 // out_is_finalizable is set to whether the type is finalizable. 209 bool CanAccessInstantiableTypeWithoutChecks(uint32_t referrer_idx, 210 const DexFile& dex_file, 211 uint32_t type_idx, 212 bool* out_is_finalizable) 213 REQUIRES(!Locks::mutator_lock_); 214 215 bool CanEmbedTypeInCode(const DexFile& dex_file, uint32_t type_idx, 216 bool* is_type_initialized, bool* use_direct_type_ptr, 217 uintptr_t* direct_type_ptr, bool* out_is_finalizable); 218 219 // Query methods for the java.lang.ref.Reference class. 220 bool CanEmbedReferenceTypeInCode(ClassReference* ref, 221 bool* use_direct_type_ptr, uintptr_t* direct_type_ptr); 222 uint32_t GetReferenceSlowFlagOffset() const; 223 uint32_t GetReferenceDisableFlagOffset() const; 224 225 // Get the DexCache for the 226 mirror::DexCache* GetDexCache(const DexCompilationUnit* mUnit) 227 SHARED_REQUIRES(Locks::mutator_lock_); 228 229 mirror::ClassLoader* GetClassLoader(const ScopedObjectAccess& soa, 230 const DexCompilationUnit* mUnit) 231 SHARED_REQUIRES(Locks::mutator_lock_); 232 233 // Resolve compiling method's class. Returns null on failure. 234 mirror::Class* ResolveCompilingMethodsClass( 235 const ScopedObjectAccess& soa, Handle<mirror::DexCache> dex_cache, 236 Handle<mirror::ClassLoader> class_loader, const DexCompilationUnit* mUnit) 237 SHARED_REQUIRES(Locks::mutator_lock_); 238 239 mirror::Class* ResolveClass( 240 const ScopedObjectAccess& soa, Handle<mirror::DexCache> dex_cache, 241 Handle<mirror::ClassLoader> class_loader, uint16_t type_index, 242 const DexCompilationUnit* mUnit) 243 SHARED_REQUIRES(Locks::mutator_lock_); 244 245 // Resolve a field. Returns null on failure, including incompatible class change. 246 // NOTE: Unlike ClassLinker's ResolveField(), this method enforces is_static. 247 ArtField* ResolveField( 248 const ScopedObjectAccess& soa, Handle<mirror::DexCache> dex_cache, 249 Handle<mirror::ClassLoader> class_loader, const DexCompilationUnit* mUnit, 250 uint32_t field_idx, bool is_static) 251 SHARED_REQUIRES(Locks::mutator_lock_); 252 253 // Resolve a field with a given dex file. 254 ArtField* ResolveFieldWithDexFile( 255 const ScopedObjectAccess& soa, Handle<mirror::DexCache> dex_cache, 256 Handle<mirror::ClassLoader> class_loader, const DexFile* dex_file, 257 uint32_t field_idx, bool is_static) 258 SHARED_REQUIRES(Locks::mutator_lock_); 259 260 // Get declaration location of a resolved field. 261 void GetResolvedFieldDexFileLocation( 262 ArtField* resolved_field, const DexFile** declaring_dex_file, 263 uint16_t* declaring_class_idx, uint16_t* declaring_field_idx) 264 SHARED_REQUIRES(Locks::mutator_lock_); 265 266 bool IsFieldVolatile(ArtField* field) SHARED_REQUIRES(Locks::mutator_lock_); 267 MemberOffset GetFieldOffset(ArtField* field) SHARED_REQUIRES(Locks::mutator_lock_); 268 269 // Find a dex cache for a dex file. 270 inline mirror::DexCache* FindDexCache(const DexFile* dex_file) 271 SHARED_REQUIRES(Locks::mutator_lock_); 272 273 // Can we fast-path an IGET/IPUT access to an instance field? If yes, compute the field offset. 274 std::pair<bool, bool> IsFastInstanceField( 275 mirror::DexCache* dex_cache, mirror::Class* referrer_class, 276 ArtField* resolved_field, uint16_t field_idx) 277 SHARED_REQUIRES(Locks::mutator_lock_); 278 279 // Can we fast-path an SGET/SPUT access to a static field? If yes, compute the type index 280 // of the declaring class in the referrer's dex file. 281 std::pair<bool, bool> IsFastStaticField( 282 mirror::DexCache* dex_cache, mirror::Class* referrer_class, 283 ArtField* resolved_field, uint16_t field_idx, uint32_t* storage_index) 284 SHARED_REQUIRES(Locks::mutator_lock_); 285 286 // Return whether the declaring class of `resolved_method` is 287 // available to `referrer_class`. If this is true, compute the type 288 // index of the declaring class in the referrer's dex file and 289 // return it through the out argument `storage_index`; otherwise 290 // return DexFile::kDexNoIndex through `storage_index`. 291 bool IsClassOfStaticMethodAvailableToReferrer(mirror::DexCache* dex_cache, 292 mirror::Class* referrer_class, 293 ArtMethod* resolved_method, 294 uint16_t method_idx, 295 uint32_t* storage_index) 296 SHARED_REQUIRES(Locks::mutator_lock_); 297 298 // Is static field's in referrer's class? 299 bool IsStaticFieldInReferrerClass(mirror::Class* referrer_class, ArtField* resolved_field) 300 SHARED_REQUIRES(Locks::mutator_lock_); 301 302 // Is static field's class initialized? 303 bool IsStaticFieldsClassInitialized(mirror::Class* referrer_class, 304 ArtField* resolved_field) 305 SHARED_REQUIRES(Locks::mutator_lock_); 306 307 // Resolve a method. Returns null on failure, including incompatible class change. 308 ArtMethod* ResolveMethod( 309 ScopedObjectAccess& soa, Handle<mirror::DexCache> dex_cache, 310 Handle<mirror::ClassLoader> class_loader, const DexCompilationUnit* mUnit, 311 uint32_t method_idx, InvokeType invoke_type, bool check_incompatible_class_change = true) 312 SHARED_REQUIRES(Locks::mutator_lock_); 313 314 // Get declaration location of a resolved field. 315 void GetResolvedMethodDexFileLocation( 316 ArtMethod* resolved_method, const DexFile** declaring_dex_file, 317 uint16_t* declaring_class_idx, uint16_t* declaring_method_idx) 318 SHARED_REQUIRES(Locks::mutator_lock_); 319 320 // Get the index in the vtable of the method. 321 uint16_t GetResolvedMethodVTableIndex( 322 ArtMethod* resolved_method, InvokeType type) 323 SHARED_REQUIRES(Locks::mutator_lock_); 324 325 // Can we fast-path an INVOKE? If no, returns 0. If yes, returns a non-zero opaque flags value 326 // for ProcessedInvoke() and computes the necessary lowering info. 327 int IsFastInvoke( 328 ScopedObjectAccess& soa, Handle<mirror::DexCache> dex_cache, 329 Handle<mirror::ClassLoader> class_loader, const DexCompilationUnit* mUnit, 330 mirror::Class* referrer_class, ArtMethod* resolved_method, InvokeType* invoke_type, 331 MethodReference* target_method, const MethodReference* devirt_target, 332 uintptr_t* direct_code, uintptr_t* direct_method) 333 SHARED_REQUIRES(Locks::mutator_lock_); 334 335 // Is method's class initialized for an invoke? 336 // For static invokes to determine whether we need to consider potential call to <clinit>(). 337 // For non-static invokes, assuming a non-null reference, the class is always initialized. 338 bool IsMethodsClassInitialized(mirror::Class* referrer_class, ArtMethod* resolved_method) 339 SHARED_REQUIRES(Locks::mutator_lock_); 340 341 // Get the layout of dex cache arrays for a dex file. Returns invalid layout if the 342 // dex cache arrays don't have a fixed layout. 343 DexCacheArraysLayout GetDexCacheArraysLayout(const DexFile* dex_file); 344 345 void ProcessedInstanceField(bool resolved); 346 void ProcessedStaticField(bool resolved, bool local); 347 void ProcessedInvoke(InvokeType invoke_type, int flags); 348 349 void ComputeFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 350 const ScopedObjectAccess& soa, bool is_static, 351 ArtField** resolved_field, 352 mirror::Class** referrer_class, 353 mirror::DexCache** dex_cache) 354 SHARED_REQUIRES(Locks::mutator_lock_); 355 356 // Can we fast path instance field access? Computes field's offset and volatility. 357 bool ComputeInstanceFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, bool is_put, 358 MemberOffset* field_offset, bool* is_volatile) 359 REQUIRES(!Locks::mutator_lock_); 360 361 ArtField* ComputeInstanceFieldInfo(uint32_t field_idx, 362 const DexCompilationUnit* mUnit, 363 bool is_put, 364 const ScopedObjectAccess& soa) 365 SHARED_REQUIRES(Locks::mutator_lock_); 366 367 368 // Can we fastpath static field access? Computes field's offset, volatility and whether the 369 // field is within the referrer (which can avoid checking class initialization). 370 bool ComputeStaticFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, bool is_put, 371 MemberOffset* field_offset, uint32_t* storage_index, 372 bool* is_referrers_class, bool* is_volatile, bool* is_initialized, 373 Primitive::Type* type) 374 REQUIRES(!Locks::mutator_lock_); 375 376 // Can we fastpath a interface, super class or virtual method call? Computes method's vtable 377 // index. 378 bool ComputeInvokeInfo(const DexCompilationUnit* mUnit, const uint32_t dex_pc, 379 bool update_stats, bool enable_devirtualization, 380 InvokeType* type, MethodReference* target_method, int* vtable_idx, 381 uintptr_t* direct_code, uintptr_t* direct_method) 382 REQUIRES(!Locks::mutator_lock_); 383 384 const VerifiedMethod* GetVerifiedMethod(const DexFile* dex_file, uint32_t method_idx) const; 385 bool IsSafeCast(const DexCompilationUnit* mUnit, uint32_t dex_pc); 386 387 bool GetSupportBootImageFixup() const { 388 return support_boot_image_fixup_; 389 } 390 391 void SetSupportBootImageFixup(bool support_boot_image_fixup) { 392 support_boot_image_fixup_ = support_boot_image_fixup; 393 } 394 395 void SetCompilerContext(void* compiler_context) { 396 compiler_context_ = compiler_context; 397 } 398 399 void* GetCompilerContext() const { 400 return compiler_context_; 401 } 402 403 size_t GetThreadCount() const { 404 return parallel_thread_count_; 405 } 406 407 bool GetDumpStats() const { 408 return dump_stats_; 409 } 410 411 bool GetDumpPasses() const { 412 return dump_passes_; 413 } 414 415 CumulativeLogger* GetTimingsLogger() const { 416 return timings_logger_; 417 } 418 419 void SetDedupeEnabled(bool dedupe_enabled) { 420 compiled_method_storage_.SetDedupeEnabled(dedupe_enabled); 421 } 422 bool DedupeEnabled() const { 423 return compiled_method_storage_.DedupeEnabled(); 424 } 425 426 // Checks if class specified by type_idx is one of the image_classes_ 427 bool IsImageClass(const char* descriptor) const; 428 429 // Checks whether the provided class should be compiled, i.e., is in classes_to_compile_. 430 bool IsClassToCompile(const char* descriptor) const; 431 432 // Checks whether the provided method should be compiled, i.e., is in method_to_compile_. 433 bool IsMethodToCompile(const MethodReference& method_ref) const; 434 435 // Checks whether profile guided compilation is enabled and if the method should be compiled 436 // according to the profile file. 437 bool ShouldCompileBasedOnProfile(const MethodReference& method_ref) const; 438 439 // Checks whether profile guided verification is enabled and if the method should be verified 440 // according to the profile file. 441 bool ShouldVerifyClassBasedOnProfile(const DexFile& dex_file, uint16_t class_idx) const; 442 443 void RecordClassStatus(ClassReference ref, mirror::Class::Status status) 444 REQUIRES(!compiled_classes_lock_); 445 446 // Checks if the specified method has been verified without failures. Returns 447 // false if the method is not in the verification results (GetVerificationResults). 448 bool IsMethodVerifiedWithoutFailures(uint32_t method_idx, 449 uint16_t class_def_idx, 450 const DexFile& dex_file) const; 451 452 // Get memory usage during compilation. 453 std::string GetMemoryUsageString(bool extended) const; 454 455 bool IsStringTypeIndex(uint16_t type_index, const DexFile* dex_file); 456 bool IsStringInit(uint32_t method_index, const DexFile* dex_file, int32_t* offset); 457 458 void SetHadHardVerifierFailure() { 459 had_hard_verifier_failure_ = true; 460 } 461 462 Compiler::Kind GetCompilerKind() { 463 return compiler_kind_; 464 } 465 466 CompiledMethodStorage* GetCompiledMethodStorage() { 467 return &compiled_method_storage_; 468 } 469 470 // Can we assume that the klass is loaded? 471 bool CanAssumeClassIsLoaded(mirror::Class* klass) 472 SHARED_REQUIRES(Locks::mutator_lock_); 473 474 bool MayInline(const DexFile* inlined_from, const DexFile* inlined_into) const { 475 if (!kIsTargetBuild) { 476 return MayInlineInternal(inlined_from, inlined_into); 477 } 478 return true; 479 } 480 481 private: 482 // Return whether the declaring class of `resolved_member` is 483 // available to `referrer_class` for read or write access using two 484 // Boolean values returned as a pair. If is true at least for read 485 // access, compute the type index of the declaring class in the 486 // referrer's dex file and return it through the out argument 487 // `storage_index`; otherwise return DexFile::kDexNoIndex through 488 // `storage_index`. 489 template <typename ArtMember> 490 std::pair<bool, bool> IsClassOfStaticMemberAvailableToReferrer(mirror::DexCache* dex_cache, 491 mirror::Class* referrer_class, 492 ArtMember* resolved_member, 493 uint16_t member_idx, 494 uint32_t* storage_index) 495 SHARED_REQUIRES(Locks::mutator_lock_); 496 497 // Can `referrer_class` access the resolved `member`? 498 // Dispatch call to mirror::Class::CanAccessResolvedField or 499 // mirror::Class::CanAccessResolvedMember depending on the value of 500 // ArtMember. 501 template <typename ArtMember> 502 static bool CanAccessResolvedMember(mirror::Class* referrer_class, 503 mirror::Class* access_to, 504 ArtMember* member, 505 mirror::DexCache* dex_cache, 506 uint32_t field_idx) 507 SHARED_REQUIRES(Locks::mutator_lock_); 508 509 // Can we assume that the klass is initialized? 510 bool CanAssumeClassIsInitialized(mirror::Class* klass) 511 SHARED_REQUIRES(Locks::mutator_lock_); 512 bool CanReferrerAssumeClassIsInitialized(mirror::Class* referrer_class, mirror::Class* klass) 513 SHARED_REQUIRES(Locks::mutator_lock_); 514 515 // These flags are internal to CompilerDriver for collecting INVOKE resolution statistics. 516 // The only external contract is that unresolved method has flags 0 and resolved non-0. 517 enum { 518 kBitMethodResolved = 0, 519 kBitVirtualMadeDirect, 520 kBitPreciseTypeDevirtualization, 521 kBitDirectCallToBoot, 522 kBitDirectMethodToBoot 523 }; 524 static constexpr int kFlagMethodResolved = 1 << kBitMethodResolved; 525 static constexpr int kFlagVirtualMadeDirect = 1 << kBitVirtualMadeDirect; 526 static constexpr int kFlagPreciseTypeDevirtualization = 1 << kBitPreciseTypeDevirtualization; 527 static constexpr int kFlagDirectCallToBoot = 1 << kBitDirectCallToBoot; 528 static constexpr int kFlagDirectMethodToBoot = 1 << kBitDirectMethodToBoot; 529 static constexpr int kFlagsMethodResolvedVirtualMadeDirect = 530 kFlagMethodResolved | kFlagVirtualMadeDirect; 531 static constexpr int kFlagsMethodResolvedPreciseTypeDevirtualization = 532 kFlagsMethodResolvedVirtualMadeDirect | kFlagPreciseTypeDevirtualization; 533 534 public: // TODO make private or eliminate. 535 // Compute constant code and method pointers when possible. 536 void GetCodeAndMethodForDirectCall(/*out*/InvokeType* type, 537 InvokeType sharp_type, 538 bool no_guarantee_of_dex_cache_entry, 539 const mirror::Class* referrer_class, 540 ArtMethod* method, 541 /*out*/int* stats_flags, 542 MethodReference* target_method, 543 uintptr_t* direct_code, uintptr_t* direct_method) 544 SHARED_REQUIRES(Locks::mutator_lock_); 545 546 private: 547 void PreCompile(jobject class_loader, 548 const std::vector<const DexFile*>& dex_files, 549 TimingLogger* timings) 550 REQUIRES(!Locks::mutator_lock_, !compiled_classes_lock_); 551 552 void LoadImageClasses(TimingLogger* timings) REQUIRES(!Locks::mutator_lock_); 553 554 // Attempt to resolve all type, methods, fields, and strings 555 // referenced from code in the dex file following PathClassLoader 556 // ordering semantics. 557 void Resolve(jobject class_loader, 558 const std::vector<const DexFile*>& dex_files, 559 TimingLogger* timings) 560 REQUIRES(!Locks::mutator_lock_); 561 void ResolveDexFile(jobject class_loader, 562 const DexFile& dex_file, 563 const std::vector<const DexFile*>& dex_files, 564 ThreadPool* thread_pool, 565 size_t thread_count, 566 TimingLogger* timings) 567 REQUIRES(!Locks::mutator_lock_); 568 569 void Verify(jobject class_loader, 570 const std::vector<const DexFile*>& dex_files, 571 TimingLogger* timings); 572 void VerifyDexFile(jobject class_loader, 573 const DexFile& dex_file, 574 const std::vector<const DexFile*>& dex_files, 575 ThreadPool* thread_pool, 576 size_t thread_count, 577 TimingLogger* timings) 578 REQUIRES(!Locks::mutator_lock_); 579 580 void SetVerified(jobject class_loader, 581 const std::vector<const DexFile*>& dex_files, 582 TimingLogger* timings); 583 void SetVerifiedDexFile(jobject class_loader, 584 const DexFile& dex_file, 585 const std::vector<const DexFile*>& dex_files, 586 ThreadPool* thread_pool, 587 size_t thread_count, 588 TimingLogger* timings) 589 REQUIRES(!Locks::mutator_lock_); 590 591 void InitializeClasses(jobject class_loader, 592 const std::vector<const DexFile*>& dex_files, 593 TimingLogger* timings) 594 REQUIRES(!Locks::mutator_lock_, !compiled_classes_lock_); 595 void InitializeClasses(jobject class_loader, 596 const DexFile& dex_file, 597 const std::vector<const DexFile*>& dex_files, 598 TimingLogger* timings) 599 REQUIRES(!Locks::mutator_lock_, !compiled_classes_lock_); 600 601 void UpdateImageClasses(TimingLogger* timings) REQUIRES(!Locks::mutator_lock_); 602 static void FindClinitImageClassesCallback(mirror::Object* object, void* arg) 603 SHARED_REQUIRES(Locks::mutator_lock_); 604 605 void Compile(jobject class_loader, 606 const std::vector<const DexFile*>& dex_files, 607 TimingLogger* timings); 608 void CompileDexFile(jobject class_loader, 609 const DexFile& dex_file, 610 const std::vector<const DexFile*>& dex_files, 611 ThreadPool* thread_pool, 612 size_t thread_count, 613 TimingLogger* timings) 614 REQUIRES(!Locks::mutator_lock_); 615 616 bool MayInlineInternal(const DexFile* inlined_from, const DexFile* inlined_into) const; 617 618 void InitializeThreadPools(); 619 void FreeThreadPools(); 620 void CheckThreadPools(); 621 622 bool RequiresConstructorBarrier(const DexFile& dex_file, uint16_t class_def_idx) const; 623 624 const CompilerOptions* const compiler_options_; 625 VerificationResults* const verification_results_; 626 DexFileToMethodInlinerMap* const method_inliner_map_; 627 628 std::unique_ptr<Compiler> compiler_; 629 Compiler::Kind compiler_kind_; 630 631 const InstructionSet instruction_set_; 632 const InstructionSetFeatures* const instruction_set_features_; 633 634 // All class references that do not require constructor barriers. Only filled in if 635 // resolved_classes_ is true. 636 mutable ReaderWriterMutex no_barrier_constructor_classes_lock_ DEFAULT_MUTEX_ACQUIRED_AFTER; 637 std::set<ClassReference> no_barrier_constructor_classes_ 638 GUARDED_BY(no_barrier_constructor_classes_lock_); 639 // resolved_classes_ is true if we performed the resolve phase and filled in 640 // no_barrier_constructor_classes_. 641 bool resolved_classes_; 642 643 typedef SafeMap<const ClassReference, CompiledClass*> ClassTable; 644 // All class references that this compiler has compiled. 645 mutable Mutex compiled_classes_lock_ DEFAULT_MUTEX_ACQUIRED_AFTER; 646 ClassTable compiled_classes_ GUARDED_BY(compiled_classes_lock_); 647 648 typedef SafeMap<const MethodReference, CompiledMethod*, MethodReferenceComparator> MethodTable; 649 650 public: 651 // Lock is public so that non-members can have lock annotations. 652 mutable Mutex compiled_methods_lock_ DEFAULT_MUTEX_ACQUIRED_AFTER; 653 654 private: 655 // All method references that this compiler has compiled. 656 MethodTable compiled_methods_ GUARDED_BY(compiled_methods_lock_); 657 // Number of non-relative patches in all compiled methods. These patches need space 658 // in the .oat_patches ELF section if requested in the compiler options. 659 size_t non_relative_linker_patch_count_ GUARDED_BY(compiled_methods_lock_); 660 661 const bool boot_image_; 662 663 // If image_ is true, specifies the classes that will be included in the image. 664 // Note if image_classes_ is null, all classes are included in the image. 665 std::unique_ptr<std::unordered_set<std::string>> image_classes_; 666 667 // Specifies the classes that will be compiled. Note that if classes_to_compile_ is null, 668 // all classes are eligible for compilation (duplication filters etc. will still apply). 669 // This option may be restricted to the boot image, depending on a flag in the implementation. 670 std::unique_ptr<std::unordered_set<std::string>> classes_to_compile_; 671 672 // Specifies the methods that will be compiled. Note that if methods_to_compile_ is null, 673 // all methods are eligible for compilation (compilation filters etc. will still apply). 674 // This option may be restricted to the boot image, depending on a flag in the implementation. 675 std::unique_ptr<std::unordered_set<std::string>> methods_to_compile_; 676 677 bool had_hard_verifier_failure_; 678 679 // A thread pool that can (potentially) run tasks in parallel. 680 std::unique_ptr<ThreadPool> parallel_thread_pool_; 681 size_t parallel_thread_count_; 682 683 // A thread pool that guarantees running single-threaded on the main thread. 684 std::unique_ptr<ThreadPool> single_thread_pool_; 685 686 class AOTCompilationStats; 687 std::unique_ptr<AOTCompilationStats> stats_; 688 689 bool dump_stats_; 690 const bool dump_passes_; 691 692 CumulativeLogger* const timings_logger_; 693 694 typedef void (*CompilerCallbackFn)(CompilerDriver& driver); 695 typedef MutexLock* (*CompilerMutexLockFn)(CompilerDriver& driver); 696 697 void* compiler_context_; 698 699 bool support_boot_image_fixup_; 700 701 // List of dex files that will be stored in the oat file. 702 const std::vector<const DexFile*>* dex_files_for_oat_file_; 703 704 CompiledMethodStorage compiled_method_storage_; 705 706 // Info for profile guided compilation. 707 const ProfileCompilationInfo* const profile_compilation_info_; 708 709 size_t max_arena_alloc_; 710 friend class CompileClassVisitor; 711 DISALLOW_COPY_AND_ASSIGN(CompilerDriver); 712}; 713 714} // namespace art 715 716#endif // ART_COMPILER_DRIVER_COMPILER_DRIVER_H_ 717