compiler_driver.h revision 226501b317e148aa8a8983355e85acb59c1eee83
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, std::unordered_set<std::string>* image_classes, 95 std::unordered_set<std::string>* compiled_classes, 96 std::unordered_set<std::string>* compiled_methods, 97 size_t thread_count, bool dump_stats, bool dump_passes, 98 const std::string& dump_cfg_file_name, bool dump_cfg_append, 99 CumulativeLogger* timer, int swap_fd, 100 const std::string& profile_file); 101 102 ~CompilerDriver(); 103 104 // Set dex files that will be stored in the oat file after being compiled. 105 void SetDexFilesForOatFile(const std::vector<const DexFile*>& dex_files) { 106 dex_files_for_oat_file_ = &dex_files; 107 } 108 109 // Get dex file that will be stored in the oat file after being compiled. 110 ArrayRef<const DexFile* const> GetDexFilesForOatFile() const { 111 return (dex_files_for_oat_file_ != nullptr) 112 ? ArrayRef<const DexFile* const>(*dex_files_for_oat_file_) 113 : ArrayRef<const DexFile* const>(); 114 } 115 116 void CompileAll(jobject class_loader, 117 const std::vector<const DexFile*>& dex_files, 118 TimingLogger* timings) 119 REQUIRES(!Locks::mutator_lock_, !compiled_classes_lock_); 120 121 // Compile a single Method. 122 void CompileOne(Thread* self, ArtMethod* method, TimingLogger* timings) 123 SHARED_REQUIRES(Locks::mutator_lock_) 124 REQUIRES(!compiled_methods_lock_, !compiled_classes_lock_); 125 126 VerificationResults* GetVerificationResults() const { 127 return verification_results_; 128 } 129 130 DexFileToMethodInlinerMap* GetMethodInlinerMap() const { 131 return method_inliner_map_; 132 } 133 134 InstructionSet GetInstructionSet() const { 135 return instruction_set_; 136 } 137 138 const InstructionSetFeatures* GetInstructionSetFeatures() const { 139 return instruction_set_features_; 140 } 141 142 const CompilerOptions& GetCompilerOptions() const { 143 return *compiler_options_; 144 } 145 146 Compiler* GetCompiler() const { 147 return compiler_.get(); 148 } 149 150 // Are we compiling and creating an image file? 151 bool IsBootImage() const { 152 return boot_image_; 153 } 154 155 const std::unordered_set<std::string>* GetImageClasses() const { 156 return image_classes_.get(); 157 } 158 159 // Generate the trampolines that are invoked by unresolved direct methods. 160 const std::vector<uint8_t>* CreateJniDlsymLookup() const; 161 const std::vector<uint8_t>* CreateQuickGenericJniTrampoline() const; 162 const std::vector<uint8_t>* CreateQuickImtConflictTrampoline() const; 163 const std::vector<uint8_t>* CreateQuickResolutionTrampoline() const; 164 const std::vector<uint8_t>* CreateQuickToInterpreterBridge() const; 165 166 CompiledClass* GetCompiledClass(ClassReference ref) const 167 REQUIRES(!compiled_classes_lock_); 168 169 CompiledMethod* GetCompiledMethod(MethodReference ref) const 170 REQUIRES(!compiled_methods_lock_); 171 size_t GetNonRelativeLinkerPatchCount() const 172 REQUIRES(!compiled_methods_lock_); 173 174 // Add a compiled method. 175 void AddCompiledMethod(const MethodReference& method_ref, 176 CompiledMethod* const compiled_method, 177 size_t non_relative_linker_patch_count) 178 REQUIRES(!compiled_methods_lock_); 179 // Remove and delete a compiled method. 180 void RemoveCompiledMethod(const MethodReference& method_ref) REQUIRES(!compiled_methods_lock_); 181 182 void AddRequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 183 uint16_t class_def_index) 184 REQUIRES(!freezing_constructor_lock_); 185 bool RequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 186 uint16_t class_def_index) const 187 REQUIRES(!freezing_constructor_lock_); 188 189 // Callbacks from compiler to see what runtime checks must be generated. 190 191 bool CanAssumeTypeIsPresentInDexCache(const DexFile& dex_file, uint32_t type_idx); 192 193 bool CanAssumeStringIsPresentInDexCache(const DexFile& dex_file, uint32_t string_idx) 194 REQUIRES(!Locks::mutator_lock_); 195 196 // Are runtime access checks necessary in the compiled code? 197 bool CanAccessTypeWithoutChecks(uint32_t referrer_idx, const DexFile& dex_file, 198 uint32_t type_idx, bool* type_known_final = nullptr, 199 bool* type_known_abstract = nullptr, 200 bool* equals_referrers_class = nullptr) 201 REQUIRES(!Locks::mutator_lock_); 202 203 // Are runtime access and instantiable checks necessary in the code? 204 // out_is_finalizable is set to whether the type is finalizable. 205 bool CanAccessInstantiableTypeWithoutChecks(uint32_t referrer_idx, 206 const DexFile& dex_file, 207 uint32_t type_idx, 208 bool* out_is_finalizable) 209 REQUIRES(!Locks::mutator_lock_); 210 211 bool CanEmbedTypeInCode(const DexFile& dex_file, uint32_t type_idx, 212 bool* is_type_initialized, bool* use_direct_type_ptr, 213 uintptr_t* direct_type_ptr, bool* out_is_finalizable); 214 215 // Query methods for the java.lang.ref.Reference class. 216 bool CanEmbedReferenceTypeInCode(ClassReference* ref, 217 bool* use_direct_type_ptr, uintptr_t* direct_type_ptr); 218 uint32_t GetReferenceSlowFlagOffset() const; 219 uint32_t GetReferenceDisableFlagOffset() const; 220 221 // Get the DexCache for the 222 mirror::DexCache* GetDexCache(const DexCompilationUnit* mUnit) 223 SHARED_REQUIRES(Locks::mutator_lock_); 224 225 mirror::ClassLoader* GetClassLoader(const ScopedObjectAccess& soa, 226 const DexCompilationUnit* mUnit) 227 SHARED_REQUIRES(Locks::mutator_lock_); 228 229 // Resolve compiling method's class. Returns null on failure. 230 mirror::Class* ResolveCompilingMethodsClass( 231 const ScopedObjectAccess& soa, Handle<mirror::DexCache> dex_cache, 232 Handle<mirror::ClassLoader> class_loader, const DexCompilationUnit* mUnit) 233 SHARED_REQUIRES(Locks::mutator_lock_); 234 235 mirror::Class* ResolveClass( 236 const ScopedObjectAccess& soa, Handle<mirror::DexCache> dex_cache, 237 Handle<mirror::ClassLoader> class_loader, uint16_t type_index, 238 const DexCompilationUnit* mUnit) 239 SHARED_REQUIRES(Locks::mutator_lock_); 240 241 // Resolve a field. Returns null on failure, including incompatible class change. 242 // NOTE: Unlike ClassLinker's ResolveField(), this method enforces is_static. 243 ArtField* ResolveField( 244 const ScopedObjectAccess& soa, Handle<mirror::DexCache> dex_cache, 245 Handle<mirror::ClassLoader> class_loader, const DexCompilationUnit* mUnit, 246 uint32_t field_idx, bool is_static) 247 SHARED_REQUIRES(Locks::mutator_lock_); 248 249 // Resolve a field with a given dex file. 250 ArtField* ResolveFieldWithDexFile( 251 const ScopedObjectAccess& soa, Handle<mirror::DexCache> dex_cache, 252 Handle<mirror::ClassLoader> class_loader, const DexFile* dex_file, 253 uint32_t field_idx, bool is_static) 254 SHARED_REQUIRES(Locks::mutator_lock_); 255 256 // Get declaration location of a resolved field. 257 void GetResolvedFieldDexFileLocation( 258 ArtField* resolved_field, const DexFile** declaring_dex_file, 259 uint16_t* declaring_class_idx, uint16_t* declaring_field_idx) 260 SHARED_REQUIRES(Locks::mutator_lock_); 261 262 bool IsFieldVolatile(ArtField* field) SHARED_REQUIRES(Locks::mutator_lock_); 263 MemberOffset GetFieldOffset(ArtField* field) SHARED_REQUIRES(Locks::mutator_lock_); 264 265 // Find a dex cache for a dex file. 266 inline mirror::DexCache* FindDexCache(const DexFile* dex_file) 267 SHARED_REQUIRES(Locks::mutator_lock_); 268 269 // Can we fast-path an IGET/IPUT access to an instance field? If yes, compute the field offset. 270 std::pair<bool, bool> IsFastInstanceField( 271 mirror::DexCache* dex_cache, mirror::Class* referrer_class, 272 ArtField* resolved_field, uint16_t field_idx) 273 SHARED_REQUIRES(Locks::mutator_lock_); 274 275 // Can we fast-path an SGET/SPUT access to a static field? If yes, compute the type index 276 // of the declaring class in the referrer's dex file. 277 std::pair<bool, bool> IsFastStaticField( 278 mirror::DexCache* dex_cache, mirror::Class* referrer_class, 279 ArtField* resolved_field, uint16_t field_idx, uint32_t* storage_index) 280 SHARED_REQUIRES(Locks::mutator_lock_); 281 282 // Return whether the declaring class of `resolved_method` is 283 // available to `referrer_class`. If this is true, compute the type 284 // index of the declaring class in the referrer's dex file and 285 // return it through the out argument `storage_index`; otherwise 286 // return DexFile::kDexNoIndex through `storage_index`. 287 bool IsClassOfStaticMethodAvailableToReferrer(mirror::DexCache* dex_cache, 288 mirror::Class* referrer_class, 289 ArtMethod* resolved_method, 290 uint16_t method_idx, 291 uint32_t* storage_index) 292 SHARED_REQUIRES(Locks::mutator_lock_); 293 294 // Is static field's in referrer's class? 295 bool IsStaticFieldInReferrerClass(mirror::Class* referrer_class, ArtField* resolved_field) 296 SHARED_REQUIRES(Locks::mutator_lock_); 297 298 // Is static field's class initialized? 299 bool IsStaticFieldsClassInitialized(mirror::Class* referrer_class, 300 ArtField* resolved_field) 301 SHARED_REQUIRES(Locks::mutator_lock_); 302 303 // Resolve a method. Returns null on failure, including incompatible class change. 304 ArtMethod* ResolveMethod( 305 ScopedObjectAccess& soa, Handle<mirror::DexCache> dex_cache, 306 Handle<mirror::ClassLoader> class_loader, const DexCompilationUnit* mUnit, 307 uint32_t method_idx, InvokeType invoke_type, bool check_incompatible_class_change = true) 308 SHARED_REQUIRES(Locks::mutator_lock_); 309 310 // Get declaration location of a resolved field. 311 void GetResolvedMethodDexFileLocation( 312 ArtMethod* resolved_method, const DexFile** declaring_dex_file, 313 uint16_t* declaring_class_idx, uint16_t* declaring_method_idx) 314 SHARED_REQUIRES(Locks::mutator_lock_); 315 316 // Get the index in the vtable of the method. 317 uint16_t GetResolvedMethodVTableIndex( 318 ArtMethod* resolved_method, InvokeType type) 319 SHARED_REQUIRES(Locks::mutator_lock_); 320 321 // Can we fast-path an INVOKE? If no, returns 0. If yes, returns a non-zero opaque flags value 322 // for ProcessedInvoke() and computes the necessary lowering info. 323 int IsFastInvoke( 324 ScopedObjectAccess& soa, Handle<mirror::DexCache> dex_cache, 325 Handle<mirror::ClassLoader> class_loader, const DexCompilationUnit* mUnit, 326 mirror::Class* referrer_class, ArtMethod* resolved_method, InvokeType* invoke_type, 327 MethodReference* target_method, const MethodReference* devirt_target, 328 uintptr_t* direct_code, uintptr_t* direct_method) 329 SHARED_REQUIRES(Locks::mutator_lock_); 330 331 // Is method's class initialized for an invoke? 332 // For static invokes to determine whether we need to consider potential call to <clinit>(). 333 // For non-static invokes, assuming a non-null reference, the class is always initialized. 334 bool IsMethodsClassInitialized(mirror::Class* referrer_class, ArtMethod* resolved_method) 335 SHARED_REQUIRES(Locks::mutator_lock_); 336 337 // Get the layout of dex cache arrays for a dex file. Returns invalid layout if the 338 // dex cache arrays don't have a fixed layout. 339 DexCacheArraysLayout GetDexCacheArraysLayout(const DexFile* dex_file); 340 341 void ProcessedInstanceField(bool resolved); 342 void ProcessedStaticField(bool resolved, bool local); 343 void ProcessedInvoke(InvokeType invoke_type, int flags); 344 345 void ComputeFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 346 const ScopedObjectAccess& soa, bool is_static, 347 ArtField** resolved_field, 348 mirror::Class** referrer_class, 349 mirror::DexCache** dex_cache) 350 SHARED_REQUIRES(Locks::mutator_lock_); 351 352 // Can we fast path instance field access? Computes field's offset and volatility. 353 bool ComputeInstanceFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, bool is_put, 354 MemberOffset* field_offset, bool* is_volatile) 355 REQUIRES(!Locks::mutator_lock_); 356 357 ArtField* ComputeInstanceFieldInfo(uint32_t field_idx, 358 const DexCompilationUnit* mUnit, 359 bool is_put, 360 const ScopedObjectAccess& soa) 361 SHARED_REQUIRES(Locks::mutator_lock_); 362 363 364 // Can we fastpath static field access? Computes field's offset, volatility and whether the 365 // field is within the referrer (which can avoid checking class initialization). 366 bool ComputeStaticFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, bool is_put, 367 MemberOffset* field_offset, uint32_t* storage_index, 368 bool* is_referrers_class, bool* is_volatile, bool* is_initialized, 369 Primitive::Type* type) 370 REQUIRES(!Locks::mutator_lock_); 371 372 // Can we fastpath a interface, super class or virtual method call? Computes method's vtable 373 // index. 374 bool ComputeInvokeInfo(const DexCompilationUnit* mUnit, const uint32_t dex_pc, 375 bool update_stats, bool enable_devirtualization, 376 InvokeType* type, MethodReference* target_method, int* vtable_idx, 377 uintptr_t* direct_code, uintptr_t* direct_method) 378 REQUIRES(!Locks::mutator_lock_); 379 380 const VerifiedMethod* GetVerifiedMethod(const DexFile* dex_file, uint32_t method_idx) const; 381 bool IsSafeCast(const DexCompilationUnit* mUnit, uint32_t dex_pc); 382 383 bool GetSupportBootImageFixup() const { 384 return support_boot_image_fixup_; 385 } 386 387 void SetSupportBootImageFixup(bool support_boot_image_fixup) { 388 support_boot_image_fixup_ = support_boot_image_fixup; 389 } 390 391 void SetCompilerContext(void* compiler_context) { 392 compiler_context_ = compiler_context; 393 } 394 395 void* GetCompilerContext() const { 396 return compiler_context_; 397 } 398 399 size_t GetThreadCount() const { 400 return thread_count_; 401 } 402 403 bool GetDumpStats() const { 404 return dump_stats_; 405 } 406 407 bool GetDumpPasses() const { 408 return dump_passes_; 409 } 410 411 const std::string& GetDumpCfgFileName() const { 412 return dump_cfg_file_name_; 413 } 414 415 bool GetDumpCfgAppend() const { 416 return dump_cfg_append_; 417 } 418 419 CumulativeLogger* GetTimingsLogger() const { 420 return timings_logger_; 421 } 422 423 void SetDedupeEnabled(bool dedupe_enabled) { 424 compiled_method_storage_.SetDedupeEnabled(dedupe_enabled); 425 } 426 bool DedupeEnabled() const { 427 return compiled_method_storage_.DedupeEnabled(); 428 } 429 430 // Checks if class specified by type_idx is one of the image_classes_ 431 bool IsImageClass(const char* descriptor) const; 432 433 // Checks whether the provided class should be compiled, i.e., is in classes_to_compile_. 434 bool IsClassToCompile(const char* descriptor) const; 435 436 // Checks whether the provided method should be compiled, i.e., is in method_to_compile_. 437 bool IsMethodToCompile(const MethodReference& method_ref) const; 438 439 // Checks whether profile guided compilation is enabled and if the method should be compiled 440 // according to the profile file. 441 bool ShouldCompileBasedOnProfile(const MethodReference& method_ref) 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 private: 475 // Return whether the declaring class of `resolved_member` is 476 // available to `referrer_class` for read or write access using two 477 // Boolean values returned as a pair. If is true at least for read 478 // access, compute the type index of the declaring class in the 479 // referrer's dex file and return it through the out argument 480 // `storage_index`; otherwise return DexFile::kDexNoIndex through 481 // `storage_index`. 482 template <typename ArtMember> 483 std::pair<bool, bool> IsClassOfStaticMemberAvailableToReferrer(mirror::DexCache* dex_cache, 484 mirror::Class* referrer_class, 485 ArtMember* resolved_member, 486 uint16_t member_idx, 487 uint32_t* storage_index) 488 SHARED_REQUIRES(Locks::mutator_lock_); 489 490 // Can `referrer_class` access the resolved `member`? 491 // Dispatch call to mirror::Class::CanAccessResolvedField or 492 // mirror::Class::CanAccessResolvedMember depending on the value of 493 // ArtMember. 494 template <typename ArtMember> 495 static bool CanAccessResolvedMember(mirror::Class* referrer_class, 496 mirror::Class* access_to, 497 ArtMember* member, 498 mirror::DexCache* dex_cache, 499 uint32_t field_idx) 500 SHARED_REQUIRES(Locks::mutator_lock_); 501 502 // Can we assume that the klass is initialized? 503 bool CanAssumeClassIsInitialized(mirror::Class* klass) 504 SHARED_REQUIRES(Locks::mutator_lock_); 505 bool CanReferrerAssumeClassIsInitialized(mirror::Class* referrer_class, mirror::Class* klass) 506 SHARED_REQUIRES(Locks::mutator_lock_); 507 508 // These flags are internal to CompilerDriver for collecting INVOKE resolution statistics. 509 // The only external contract is that unresolved method has flags 0 and resolved non-0. 510 enum { 511 kBitMethodResolved = 0, 512 kBitVirtualMadeDirect, 513 kBitPreciseTypeDevirtualization, 514 kBitDirectCallToBoot, 515 kBitDirectMethodToBoot 516 }; 517 static constexpr int kFlagMethodResolved = 1 << kBitMethodResolved; 518 static constexpr int kFlagVirtualMadeDirect = 1 << kBitVirtualMadeDirect; 519 static constexpr int kFlagPreciseTypeDevirtualization = 1 << kBitPreciseTypeDevirtualization; 520 static constexpr int kFlagDirectCallToBoot = 1 << kBitDirectCallToBoot; 521 static constexpr int kFlagDirectMethodToBoot = 1 << kBitDirectMethodToBoot; 522 static constexpr int kFlagsMethodResolvedVirtualMadeDirect = 523 kFlagMethodResolved | kFlagVirtualMadeDirect; 524 static constexpr int kFlagsMethodResolvedPreciseTypeDevirtualization = 525 kFlagsMethodResolvedVirtualMadeDirect | kFlagPreciseTypeDevirtualization; 526 527 public: // TODO make private or eliminate. 528 // Compute constant code and method pointers when possible. 529 void GetCodeAndMethodForDirectCall(/*out*/InvokeType* type, 530 InvokeType sharp_type, 531 bool no_guarantee_of_dex_cache_entry, 532 const mirror::Class* referrer_class, 533 ArtMethod* method, 534 /*out*/int* stats_flags, 535 MethodReference* target_method, 536 uintptr_t* direct_code, uintptr_t* direct_method) 537 SHARED_REQUIRES(Locks::mutator_lock_); 538 539 private: 540 void PreCompile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 541 ThreadPool* thread_pool, TimingLogger* timings) 542 REQUIRES(!Locks::mutator_lock_, !compiled_classes_lock_); 543 544 void LoadImageClasses(TimingLogger* timings) REQUIRES(!Locks::mutator_lock_); 545 546 // Attempt to resolve all type, methods, fields, and strings 547 // referenced from code in the dex file following PathClassLoader 548 // ordering semantics. 549 void Resolve(jobject class_loader, const std::vector<const DexFile*>& dex_files, 550 ThreadPool* thread_pool, TimingLogger* timings) 551 REQUIRES(!Locks::mutator_lock_); 552 void ResolveDexFile(jobject class_loader, const DexFile& dex_file, 553 const std::vector<const DexFile*>& dex_files, 554 ThreadPool* thread_pool, TimingLogger* timings) 555 REQUIRES(!Locks::mutator_lock_); 556 557 void Verify(jobject class_loader, const std::vector<const DexFile*>& dex_files, 558 ThreadPool* thread_pool, TimingLogger* timings); 559 void VerifyDexFile(jobject class_loader, const DexFile& dex_file, 560 const std::vector<const DexFile*>& dex_files, 561 ThreadPool* thread_pool, TimingLogger* timings) 562 REQUIRES(!Locks::mutator_lock_); 563 564 void SetVerified(jobject class_loader, const std::vector<const DexFile*>& dex_files, 565 ThreadPool* thread_pool, TimingLogger* timings); 566 void SetVerifiedDexFile(jobject class_loader, const DexFile& dex_file, 567 const std::vector<const DexFile*>& dex_files, 568 ThreadPool* thread_pool, TimingLogger* timings) 569 REQUIRES(!Locks::mutator_lock_); 570 571 void InitializeClasses(jobject class_loader, const std::vector<const DexFile*>& dex_files, 572 ThreadPool* thread_pool, TimingLogger* timings) 573 REQUIRES(!Locks::mutator_lock_, !compiled_classes_lock_); 574 void InitializeClasses(jobject class_loader, const DexFile& dex_file, 575 const std::vector<const DexFile*>& dex_files, 576 ThreadPool* thread_pool, TimingLogger* timings) 577 REQUIRES(!Locks::mutator_lock_, !compiled_classes_lock_); 578 579 void UpdateImageClasses(TimingLogger* timings) REQUIRES(!Locks::mutator_lock_); 580 static void FindClinitImageClassesCallback(mirror::Object* object, void* arg) 581 SHARED_REQUIRES(Locks::mutator_lock_); 582 583 void Compile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 584 ThreadPool* thread_pool, TimingLogger* timings); 585 void CompileDexFile(jobject class_loader, const DexFile& dex_file, 586 const std::vector<const DexFile*>& dex_files, 587 ThreadPool* thread_pool, TimingLogger* timings) 588 REQUIRES(!Locks::mutator_lock_); 589 590 const CompilerOptions* const compiler_options_; 591 VerificationResults* const verification_results_; 592 DexFileToMethodInlinerMap* const method_inliner_map_; 593 594 std::unique_ptr<Compiler> compiler_; 595 Compiler::Kind compiler_kind_; 596 597 const InstructionSet instruction_set_; 598 const InstructionSetFeatures* const instruction_set_features_; 599 600 // All class references that require 601 mutable ReaderWriterMutex freezing_constructor_lock_ DEFAULT_MUTEX_ACQUIRED_AFTER; 602 std::set<ClassReference> freezing_constructor_classes_ GUARDED_BY(freezing_constructor_lock_); 603 604 typedef SafeMap<const ClassReference, CompiledClass*> ClassTable; 605 // All class references that this compiler has compiled. 606 mutable Mutex compiled_classes_lock_ DEFAULT_MUTEX_ACQUIRED_AFTER; 607 ClassTable compiled_classes_ GUARDED_BY(compiled_classes_lock_); 608 609 typedef SafeMap<const MethodReference, CompiledMethod*, MethodReferenceComparator> MethodTable; 610 611 public: 612 // Lock is public so that non-members can have lock annotations. 613 mutable Mutex compiled_methods_lock_ DEFAULT_MUTEX_ACQUIRED_AFTER; 614 615 private: 616 // All method references that this compiler has compiled. 617 MethodTable compiled_methods_ GUARDED_BY(compiled_methods_lock_); 618 // Number of non-relative patches in all compiled methods. These patches need space 619 // in the .oat_patches ELF section if requested in the compiler options. 620 size_t non_relative_linker_patch_count_ GUARDED_BY(compiled_methods_lock_); 621 622 const bool boot_image_; 623 624 // If image_ is true, specifies the classes that will be included in 625 // the image. Note if image_classes_ is null, all classes are 626 // included in the image. 627 std::unique_ptr<std::unordered_set<std::string>> image_classes_; 628 629 // Specifies the classes that will be compiled. Note that if classes_to_compile_ is null, 630 // all classes are eligible for compilation (duplication filters etc. will still apply). 631 // This option may be restricted to the boot image, depending on a flag in the implementation. 632 std::unique_ptr<std::unordered_set<std::string>> classes_to_compile_; 633 634 // Specifies the methods that will be compiled. Note that if methods_to_compile_ is null, 635 // all methods are eligible for compilation (compilation filters etc. will still apply). 636 // This option may be restricted to the boot image, depending on a flag in the implementation. 637 std::unique_ptr<std::unordered_set<std::string>> methods_to_compile_; 638 639 // Info for profile guided compilation. 640 std::unique_ptr<ProfileCompilationInfo> profile_compilation_info_; 641 642 bool had_hard_verifier_failure_; 643 644 size_t thread_count_; 645 646 class AOTCompilationStats; 647 std::unique_ptr<AOTCompilationStats> stats_; 648 649 bool dump_stats_; 650 const bool dump_passes_; 651 const std::string dump_cfg_file_name_; 652 const bool dump_cfg_append_; 653 654 CumulativeLogger* const timings_logger_; 655 656 typedef void (*CompilerCallbackFn)(CompilerDriver& driver); 657 typedef MutexLock* (*CompilerMutexLockFn)(CompilerDriver& driver); 658 659 void* compiler_context_; 660 661 bool support_boot_image_fixup_; 662 663 // List of dex files that will be stored in the oat file. 664 const std::vector<const DexFile*>* dex_files_for_oat_file_; 665 666 CompiledMethodStorage compiled_method_storage_; 667 668 friend class CompileClassVisitor; 669 DISALLOW_COPY_AND_ASSIGN(CompilerDriver); 670}; 671 672} // namespace art 673 674#endif // ART_COMPILER_DRIVER_COMPILER_DRIVER_H_ 675