compiler_driver.cc revision 1e54d68ce8e77dfe63340275d11a072c5184c89a
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 "compiler_driver.h" 18 19#define ATRACE_TAG ATRACE_TAG_DALVIK 20#include <utils/Trace.h> 21 22#include <vector> 23#include <unistd.h> 24 25#include "base/stl_util.h" 26#include "base/timing_logger.h" 27#include "class_linker.h" 28#include "dex_compilation_unit.h" 29#include "dex_file-inl.h" 30#include "jni_internal.h" 31#include "object_utils.h" 32#include "runtime.h" 33#include "gc/accounting/card_table-inl.h" 34#include "gc/accounting/heap_bitmap.h" 35#include "gc/space/space.h" 36#include "mirror/art_field-inl.h" 37#include "mirror/art_method-inl.h" 38#include "mirror/class_loader.h" 39#include "mirror/class-inl.h" 40#include "mirror/dex_cache-inl.h" 41#include "mirror/object-inl.h" 42#include "mirror/object_array-inl.h" 43#include "mirror/throwable.h" 44#include "scoped_thread_state_change.h" 45#include "ScopedLocalRef.h" 46#include "thread.h" 47#include "thread_pool.h" 48#include "trampolines/trampoline_compiler.h" 49#include "verifier/method_verifier.h" 50 51#if defined(ART_USE_PORTABLE_COMPILER) 52#include "elf_writer_mclinker.h" 53#else 54#include "elf_writer_quick.h" 55#endif 56 57namespace art { 58 59static double Percentage(size_t x, size_t y) { 60 return 100.0 * (static_cast<double>(x)) / (static_cast<double>(x + y)); 61} 62 63static void DumpStat(size_t x, size_t y, const char* str) { 64 if (x == 0 && y == 0) { 65 return; 66 } 67 VLOG(compiler) << Percentage(x, y) << "% of " << str << " for " << (x + y) << " cases"; 68} 69 70class AOTCompilationStats { 71 public: 72 AOTCompilationStats() 73 : stats_lock_("AOT compilation statistics lock"), 74 types_in_dex_cache_(0), types_not_in_dex_cache_(0), 75 strings_in_dex_cache_(0), strings_not_in_dex_cache_(0), 76 resolved_types_(0), unresolved_types_(0), 77 resolved_instance_fields_(0), unresolved_instance_fields_(0), 78 resolved_local_static_fields_(0), resolved_static_fields_(0), unresolved_static_fields_(0), 79 type_based_devirtualization_(0), 80 safe_casts_(0), not_safe_casts_(0) { 81 for (size_t i = 0; i <= kMaxInvokeType; i++) { 82 resolved_methods_[i] = 0; 83 unresolved_methods_[i] = 0; 84 virtual_made_direct_[i] = 0; 85 direct_calls_to_boot_[i] = 0; 86 direct_methods_to_boot_[i] = 0; 87 } 88 } 89 90 void Dump() { 91 DumpStat(types_in_dex_cache_, types_not_in_dex_cache_, "types known to be in dex cache"); 92 DumpStat(strings_in_dex_cache_, strings_not_in_dex_cache_, "strings known to be in dex cache"); 93 DumpStat(resolved_types_, unresolved_types_, "types resolved"); 94 DumpStat(resolved_instance_fields_, unresolved_instance_fields_, "instance fields resolved"); 95 DumpStat(resolved_local_static_fields_ + resolved_static_fields_, unresolved_static_fields_, 96 "static fields resolved"); 97 DumpStat(resolved_local_static_fields_, resolved_static_fields_ + unresolved_static_fields_, 98 "static fields local to a class"); 99 DumpStat(safe_casts_, not_safe_casts_, "check-casts removed based on type information"); 100 // Note, the code below subtracts the stat value so that when added to the stat value we have 101 // 100% of samples. TODO: clean this up. 102 DumpStat(type_based_devirtualization_, 103 resolved_methods_[kVirtual] + unresolved_methods_[kVirtual] + 104 resolved_methods_[kInterface] + unresolved_methods_[kInterface] - 105 type_based_devirtualization_, 106 "virtual/interface calls made direct based on type information"); 107 108 for (size_t i = 0; i <= kMaxInvokeType; i++) { 109 std::ostringstream oss; 110 oss << static_cast<InvokeType>(i) << " methods were AOT resolved"; 111 DumpStat(resolved_methods_[i], unresolved_methods_[i], oss.str().c_str()); 112 if (virtual_made_direct_[i] > 0) { 113 std::ostringstream oss2; 114 oss2 << static_cast<InvokeType>(i) << " methods made direct"; 115 DumpStat(virtual_made_direct_[i], 116 resolved_methods_[i] + unresolved_methods_[i] - virtual_made_direct_[i], 117 oss2.str().c_str()); 118 } 119 if (direct_calls_to_boot_[i] > 0) { 120 std::ostringstream oss2; 121 oss2 << static_cast<InvokeType>(i) << " method calls are direct into boot"; 122 DumpStat(direct_calls_to_boot_[i], 123 resolved_methods_[i] + unresolved_methods_[i] - direct_calls_to_boot_[i], 124 oss2.str().c_str()); 125 } 126 if (direct_methods_to_boot_[i] > 0) { 127 std::ostringstream oss2; 128 oss2 << static_cast<InvokeType>(i) << " method calls have methods in boot"; 129 DumpStat(direct_methods_to_boot_[i], 130 resolved_methods_[i] + unresolved_methods_[i] - direct_methods_to_boot_[i], 131 oss2.str().c_str()); 132 } 133 } 134 } 135 136// Allow lossy statistics in non-debug builds. 137#ifndef NDEBUG 138#define STATS_LOCK() MutexLock mu(Thread::Current(), stats_lock_) 139#else 140#define STATS_LOCK() 141#endif 142 143 void TypeInDexCache() { 144 STATS_LOCK(); 145 types_in_dex_cache_++; 146 } 147 148 void TypeNotInDexCache() { 149 STATS_LOCK(); 150 types_not_in_dex_cache_++; 151 } 152 153 void StringInDexCache() { 154 STATS_LOCK(); 155 strings_in_dex_cache_++; 156 } 157 158 void StringNotInDexCache() { 159 STATS_LOCK(); 160 strings_not_in_dex_cache_++; 161 } 162 163 void TypeDoesntNeedAccessCheck() { 164 STATS_LOCK(); 165 resolved_types_++; 166 } 167 168 void TypeNeedsAccessCheck() { 169 STATS_LOCK(); 170 unresolved_types_++; 171 } 172 173 void ResolvedInstanceField() { 174 STATS_LOCK(); 175 resolved_instance_fields_++; 176 } 177 178 void UnresolvedInstanceField() { 179 STATS_LOCK(); 180 unresolved_instance_fields_++; 181 } 182 183 void ResolvedLocalStaticField() { 184 STATS_LOCK(); 185 resolved_local_static_fields_++; 186 } 187 188 void ResolvedStaticField() { 189 STATS_LOCK(); 190 resolved_static_fields_++; 191 } 192 193 void UnresolvedStaticField() { 194 STATS_LOCK(); 195 unresolved_static_fields_++; 196 } 197 198 // Indicate that type information from the verifier led to devirtualization. 199 void PreciseTypeDevirtualization() { 200 STATS_LOCK(); 201 type_based_devirtualization_++; 202 } 203 204 // Indicate that a method of the given type was resolved at compile time. 205 void ResolvedMethod(InvokeType type) { 206 DCHECK_LE(type, kMaxInvokeType); 207 STATS_LOCK(); 208 resolved_methods_[type]++; 209 } 210 211 // Indicate that a method of the given type was unresolved at compile time as it was in an 212 // unknown dex file. 213 void UnresolvedMethod(InvokeType type) { 214 DCHECK_LE(type, kMaxInvokeType); 215 STATS_LOCK(); 216 unresolved_methods_[type]++; 217 } 218 219 // Indicate that a type of virtual method dispatch has been converted into a direct method 220 // dispatch. 221 void VirtualMadeDirect(InvokeType type) { 222 DCHECK(type == kVirtual || type == kInterface || type == kSuper); 223 STATS_LOCK(); 224 virtual_made_direct_[type]++; 225 } 226 227 // Indicate that a method of the given type was able to call directly into boot. 228 void DirectCallsToBoot(InvokeType type) { 229 DCHECK_LE(type, kMaxInvokeType); 230 STATS_LOCK(); 231 direct_calls_to_boot_[type]++; 232 } 233 234 // Indicate that a method of the given type was able to be resolved directly from boot. 235 void DirectMethodsToBoot(InvokeType type) { 236 DCHECK_LE(type, kMaxInvokeType); 237 STATS_LOCK(); 238 direct_methods_to_boot_[type]++; 239 } 240 241 // A check-cast could be eliminated due to verifier type analysis. 242 void SafeCast() { 243 STATS_LOCK(); 244 safe_casts_++; 245 } 246 247 // A check-cast couldn't be eliminated due to verifier type analysis. 248 void NotASafeCast() { 249 STATS_LOCK(); 250 not_safe_casts_++; 251 } 252 253 private: 254 Mutex stats_lock_; 255 256 size_t types_in_dex_cache_; 257 size_t types_not_in_dex_cache_; 258 259 size_t strings_in_dex_cache_; 260 size_t strings_not_in_dex_cache_; 261 262 size_t resolved_types_; 263 size_t unresolved_types_; 264 265 size_t resolved_instance_fields_; 266 size_t unresolved_instance_fields_; 267 268 size_t resolved_local_static_fields_; 269 size_t resolved_static_fields_; 270 size_t unresolved_static_fields_; 271 // Type based devirtualization for invoke interface and virtual. 272 size_t type_based_devirtualization_; 273 274 size_t resolved_methods_[kMaxInvokeType + 1]; 275 size_t unresolved_methods_[kMaxInvokeType + 1]; 276 size_t virtual_made_direct_[kMaxInvokeType + 1]; 277 size_t direct_calls_to_boot_[kMaxInvokeType + 1]; 278 size_t direct_methods_to_boot_[kMaxInvokeType + 1]; 279 280 size_t safe_casts_; 281 size_t not_safe_casts_; 282 283 DISALLOW_COPY_AND_ASSIGN(AOTCompilationStats); 284}; 285 286extern "C" void ArtInitCompilerContext(art::CompilerDriver& driver); 287extern "C" void ArtInitQuickCompilerContext(art::CompilerDriver& compiler); 288 289extern "C" void ArtUnInitCompilerContext(art::CompilerDriver& driver); 290extern "C" void ArtUnInitQuickCompilerContext(art::CompilerDriver& compiler); 291 292extern "C" art::CompiledMethod* ArtCompileMethod(art::CompilerDriver& driver, 293 const art::DexFile::CodeItem* code_item, 294 uint32_t access_flags, 295 art::InvokeType invoke_type, 296 uint32_t class_def_idx, 297 uint32_t method_idx, 298 jobject class_loader, 299 const art::DexFile& dex_file); 300extern "C" art::CompiledMethod* ArtQuickCompileMethod(art::CompilerDriver& compiler, 301 const art::DexFile::CodeItem* code_item, 302 uint32_t access_flags, 303 art::InvokeType invoke_type, 304 uint32_t class_def_idx, 305 uint32_t method_idx, 306 jobject class_loader, 307 const art::DexFile& dex_file); 308 309extern "C" art::CompiledMethod* ArtCompileDEX(art::CompilerDriver& compiler, 310 const art::DexFile::CodeItem* code_item, 311 uint32_t access_flags, 312 art::InvokeType invoke_type, 313 uint32_t class_def_idx, 314 uint32_t method_idx, 315 jobject class_loader, 316 const art::DexFile& dex_file); 317#ifdef ART_SEA_IR_MODE 318extern "C" art::CompiledMethod* SeaIrCompileMethod(art::CompilerDriver& compiler, 319 const art::DexFile::CodeItem* code_item, 320 uint32_t access_flags, 321 art::InvokeType invoke_type, 322 uint32_t class_def_idx, 323 uint32_t method_idx, 324 jobject class_loader, 325 const art::DexFile& dex_file); 326#endif 327extern "C" art::CompiledMethod* ArtLLVMJniCompileMethod(art::CompilerDriver& driver, 328 uint32_t access_flags, uint32_t method_idx, 329 const art::DexFile& dex_file); 330 331extern "C" art::CompiledMethod* ArtQuickJniCompileMethod(art::CompilerDriver& compiler, 332 uint32_t access_flags, uint32_t method_idx, 333 const art::DexFile& dex_file); 334 335extern "C" void compilerLLVMSetBitcodeFileName(art::CompilerDriver& driver, 336 std::string const& filename); 337 338CompilerDriver::CompilerDriver(CompilerBackend compiler_backend, InstructionSet instruction_set, 339 bool image, DescriptorSet* image_classes, size_t thread_count, 340 bool dump_stats) 341 : compiler_backend_(compiler_backend), 342 instruction_set_(instruction_set), 343 freezing_constructor_lock_("freezing constructor lock"), 344 compiled_classes_lock_("compiled classes lock"), 345 compiled_methods_lock_("compiled method lock"), 346 image_(image), 347 image_classes_(image_classes), 348 thread_count_(thread_count), 349 start_ns_(0), 350 stats_(new AOTCompilationStats), 351 dump_stats_(dump_stats), 352 compiler_library_(NULL), 353 compiler_(NULL), 354 compiler_context_(NULL), 355 jni_compiler_(NULL), 356 compiler_enable_auto_elf_loading_(NULL), 357 compiler_get_method_code_addr_(NULL), 358 support_boot_image_fixup_(true) { 359 360 CHECK_PTHREAD_CALL(pthread_key_create, (&tls_key_, NULL), "compiler tls key"); 361 362 // TODO: more work needed to combine initializations and allow per-method backend selection 363 typedef void (*InitCompilerContextFn)(CompilerDriver&); 364 InitCompilerContextFn init_compiler_context; 365 if (compiler_backend_ == kPortable) { 366 // Initialize compiler_context_ 367 init_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtInitCompilerContext); 368 compiler_ = reinterpret_cast<CompilerFn>(ArtCompileMethod); 369 } else { 370 init_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtInitQuickCompilerContext); 371 compiler_ = reinterpret_cast<CompilerFn>(ArtQuickCompileMethod); 372 } 373 374 dex_to_dex_compiler_ = reinterpret_cast<DexToDexCompilerFn>(ArtCompileDEX); 375 376#ifdef ART_SEA_IR_MODE 377 sea_ir_compiler_ = NULL; 378 if (Runtime::Current()->IsSeaIRMode()) { 379 sea_ir_compiler_ = reinterpret_cast<CompilerFn>(SeaIrCompileMethod); 380 } 381#endif 382 383 init_compiler_context(*this); 384 385 if (compiler_backend_ == kPortable) { 386 jni_compiler_ = reinterpret_cast<JniCompilerFn>(ArtLLVMJniCompileMethod); 387 } else { 388 jni_compiler_ = reinterpret_cast<JniCompilerFn>(ArtQuickJniCompileMethod); 389 } 390 391 CHECK(!Runtime::Current()->IsStarted()); 392 if (!image_) { 393 CHECK(image_classes_.get() == NULL); 394 } 395} 396 397CompilerDriver::~CompilerDriver() { 398 Thread* self = Thread::Current(); 399 { 400 MutexLock mu(self, compiled_classes_lock_); 401 STLDeleteValues(&compiled_classes_); 402 } 403 { 404 MutexLock mu(self, compiled_methods_lock_); 405 STLDeleteValues(&compiled_methods_); 406 } 407 { 408 MutexLock mu(self, compiled_methods_lock_); 409 STLDeleteElements(&code_to_patch_); 410 } 411 { 412 MutexLock mu(self, compiled_methods_lock_); 413 STLDeleteElements(&methods_to_patch_); 414 } 415 CHECK_PTHREAD_CALL(pthread_key_delete, (tls_key_), "delete tls key"); 416 typedef void (*UninitCompilerContextFn)(CompilerDriver&); 417 UninitCompilerContextFn uninit_compiler_context; 418 // Uninitialize compiler_context_ 419 // TODO: rework to combine initialization/uninitialization 420 if (compiler_backend_ == kPortable) { 421 uninit_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtUnInitCompilerContext); 422 } else { 423 uninit_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtUnInitQuickCompilerContext); 424 } 425 uninit_compiler_context(*this); 426} 427 428CompilerTls* CompilerDriver::GetTls() { 429 // Lazily create thread-local storage 430 CompilerTls* res = static_cast<CompilerTls*>(pthread_getspecific(tls_key_)); 431 if (res == NULL) { 432 res = new CompilerTls(); 433 CHECK_PTHREAD_CALL(pthread_setspecific, (tls_key_, res), "compiler tls"); 434 } 435 return res; 436} 437 438const std::vector<uint8_t>* CompilerDriver::CreateInterpreterToInterpreterBridge() const { 439 return CreateTrampoline(instruction_set_, kInterpreterAbi, 440 INTERPRETER_ENTRYPOINT_OFFSET(pInterpreterToInterpreterBridge)); 441} 442 443const std::vector<uint8_t>* CompilerDriver::CreateInterpreterToCompiledCodeBridge() const { 444 return CreateTrampoline(instruction_set_, kInterpreterAbi, 445 INTERPRETER_ENTRYPOINT_OFFSET(pInterpreterToCompiledCodeBridge)); 446} 447 448const std::vector<uint8_t>* CompilerDriver::CreateJniDlsymLookup() const { 449 return CreateTrampoline(instruction_set_, kJniAbi, JNI_ENTRYPOINT_OFFSET(pDlsymLookup)); 450} 451 452const std::vector<uint8_t>* CompilerDriver::CreatePortableResolutionTrampoline() const { 453 return CreateTrampoline(instruction_set_, kPortableAbi, 454 PORTABLE_ENTRYPOINT_OFFSET(pPortableResolutionTrampoline)); 455} 456 457const std::vector<uint8_t>* CompilerDriver::CreatePortableToInterpreterBridge() const { 458 return CreateTrampoline(instruction_set_, kPortableAbi, 459 PORTABLE_ENTRYPOINT_OFFSET(pPortableToInterpreterBridge)); 460} 461 462const std::vector<uint8_t>* CompilerDriver::CreateQuickResolutionTrampoline() const { 463 return CreateTrampoline(instruction_set_, kQuickAbi, 464 QUICK_ENTRYPOINT_OFFSET(pQuickResolutionTrampoline)); 465} 466 467const std::vector<uint8_t>* CompilerDriver::CreateQuickToInterpreterBridge() const { 468 return CreateTrampoline(instruction_set_, kQuickAbi, 469 QUICK_ENTRYPOINT_OFFSET(pQuickToInterpreterBridge)); 470} 471 472void CompilerDriver::CompileAll(jobject class_loader, 473 const std::vector<const DexFile*>& dex_files, 474 base::TimingLogger& timings) { 475 DCHECK(!Runtime::Current()->IsStarted()); 476 UniquePtr<ThreadPool> thread_pool(new ThreadPool(thread_count_ - 1)); 477 PreCompile(class_loader, dex_files, *thread_pool.get(), timings); 478 Compile(class_loader, dex_files, *thread_pool.get(), timings); 479 if (dump_stats_) { 480 stats_->Dump(); 481 } 482} 483 484static DexToDexCompilationLevel GetDexToDexCompilationlevel(mirror::ClassLoader* class_loader, 485 const DexFile& dex_file, 486 const DexFile::ClassDef& class_def) 487 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 488 const char* descriptor = dex_file.GetClassDescriptor(class_def); 489 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 490 mirror::Class* klass = class_linker->FindClass(descriptor, class_loader); 491 if (klass == NULL) { 492 Thread* self = Thread::Current(); 493 CHECK(self->IsExceptionPending()); 494 self->ClearException(); 495 return kDontDexToDexCompile; 496 } 497 // The verifier can only run on "quick" instructions at runtime (see usage of 498 // FindAccessedFieldAtDexPc and FindInvokedMethodAtDexPc in ThrowNullPointerExceptionFromDexPC 499 // function). Since image classes can be verified again while compiling an application, 500 // we must prevent the DEX-to-DEX compiler from introducing them. 501 // TODO: find a way to enable "quick" instructions for image classes and remove this check. 502 bool compiling_image_classes = (class_loader == NULL); 503 if (compiling_image_classes) { 504 return kRequired; 505 } else if (klass->IsVerified()) { 506 // Class is verified so we can enable DEX-to-DEX compilation for performance. 507 return kOptimize; 508 } else if (klass->IsCompileTimeVerified()) { 509 // Class verification has soft-failed. Anyway, ensure at least correctness. 510 DCHECK_EQ(klass->GetStatus(), mirror::Class::kStatusRetryVerificationAtRuntime); 511 return kRequired; 512 } else { 513 // Class verification has failed: do not run DEX-to-DEX compilation. 514 return kDontDexToDexCompile; 515 } 516} 517 518void CompilerDriver::CompileOne(const mirror::ArtMethod* method, base::TimingLogger& timings) { 519 DCHECK(!Runtime::Current()->IsStarted()); 520 Thread* self = Thread::Current(); 521 jobject jclass_loader; 522 const DexFile* dex_file; 523 uint32_t class_def_idx; 524 { 525 ScopedObjectAccessUnchecked soa(self); 526 ScopedLocalRef<jobject> 527 local_class_loader(soa.Env(), 528 soa.AddLocalReference<jobject>(method->GetDeclaringClass()->GetClassLoader())); 529 jclass_loader = soa.Env()->NewGlobalRef(local_class_loader.get()); 530 // Find the dex_file 531 MethodHelper mh(method); 532 dex_file = &mh.GetDexFile(); 533 class_def_idx = mh.GetClassDefIndex(); 534 } 535 self->TransitionFromRunnableToSuspended(kNative); 536 537 std::vector<const DexFile*> dex_files; 538 dex_files.push_back(dex_file); 539 540 UniquePtr<ThreadPool> thread_pool(new ThreadPool(0U)); 541 PreCompile(jclass_loader, dex_files, *thread_pool.get(), timings); 542 543 uint32_t method_idx = method->GetDexMethodIndex(); 544 const DexFile::CodeItem* code_item = dex_file->GetCodeItem(method->GetCodeItemOffset()); 545 // Can we run DEX-to-DEX compiler on this class ? 546 DexToDexCompilationLevel dex_to_dex_compilation_level = kDontDexToDexCompile; 547 { 548 ScopedObjectAccess soa(Thread::Current()); 549 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_idx); 550 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader); 551 dex_to_dex_compilation_level = GetDexToDexCompilationlevel(class_loader, *dex_file, class_def); 552 } 553 CompileMethod(code_item, method->GetAccessFlags(), method->GetInvokeType(), 554 class_def_idx, method_idx, jclass_loader, *dex_file, dex_to_dex_compilation_level); 555 556 self->GetJniEnv()->DeleteGlobalRef(jclass_loader); 557 558 self->TransitionFromSuspendedToRunnable(); 559} 560 561void CompilerDriver::Resolve(jobject class_loader, const std::vector<const DexFile*>& dex_files, 562 ThreadPool& thread_pool, base::TimingLogger& timings) { 563 for (size_t i = 0; i != dex_files.size(); ++i) { 564 const DexFile* dex_file = dex_files[i]; 565 CHECK(dex_file != NULL); 566 ResolveDexFile(class_loader, *dex_file, thread_pool, timings); 567 } 568} 569 570void CompilerDriver::PreCompile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 571 ThreadPool& thread_pool, base::TimingLogger& timings) { 572 LoadImageClasses(timings); 573 574 Resolve(class_loader, dex_files, thread_pool, timings); 575 576 Verify(class_loader, dex_files, thread_pool, timings); 577 578 InitializeClasses(class_loader, dex_files, thread_pool, timings); 579 580 UpdateImageClasses(timings); 581} 582 583bool CompilerDriver::IsImageClass(const char* descriptor) const { 584 DCHECK(descriptor != NULL); 585 if (!IsImage()) { 586 return true; 587 } else { 588 return image_classes_->find(descriptor) != image_classes_->end(); 589 } 590} 591 592static void ResolveExceptionsForMethod(MethodHelper* mh, 593 std::set<std::pair<uint16_t, const DexFile*> >& exceptions_to_resolve) 594 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 595 const DexFile::CodeItem* code_item = mh->GetCodeItem(); 596 if (code_item == NULL) { 597 return; // native or abstract method 598 } 599 if (code_item->tries_size_ == 0) { 600 return; // nothing to process 601 } 602 const byte* encoded_catch_handler_list = DexFile::GetCatchHandlerData(*code_item, 0); 603 size_t num_encoded_catch_handlers = DecodeUnsignedLeb128(&encoded_catch_handler_list); 604 for (size_t i = 0; i < num_encoded_catch_handlers; i++) { 605 int32_t encoded_catch_handler_size = DecodeSignedLeb128(&encoded_catch_handler_list); 606 bool has_catch_all = false; 607 if (encoded_catch_handler_size <= 0) { 608 encoded_catch_handler_size = -encoded_catch_handler_size; 609 has_catch_all = true; 610 } 611 for (int32_t j = 0; j < encoded_catch_handler_size; j++) { 612 uint16_t encoded_catch_handler_handlers_type_idx = 613 DecodeUnsignedLeb128(&encoded_catch_handler_list); 614 // Add to set of types to resolve if not already in the dex cache resolved types 615 if (!mh->IsResolvedTypeIdx(encoded_catch_handler_handlers_type_idx)) { 616 exceptions_to_resolve.insert( 617 std::pair<uint16_t, const DexFile*>(encoded_catch_handler_handlers_type_idx, 618 &mh->GetDexFile())); 619 } 620 // ignore address associated with catch handler 621 DecodeUnsignedLeb128(&encoded_catch_handler_list); 622 } 623 if (has_catch_all) { 624 // ignore catch all address 625 DecodeUnsignedLeb128(&encoded_catch_handler_list); 626 } 627 } 628} 629 630static bool ResolveCatchBlockExceptionsClassVisitor(mirror::Class* c, void* arg) 631 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 632 std::set<std::pair<uint16_t, const DexFile*> >* exceptions_to_resolve = 633 reinterpret_cast<std::set<std::pair<uint16_t, const DexFile*> >*>(arg); 634 MethodHelper mh; 635 for (size_t i = 0; i < c->NumVirtualMethods(); ++i) { 636 mirror::ArtMethod* m = c->GetVirtualMethod(i); 637 mh.ChangeMethod(m); 638 ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 639 } 640 for (size_t i = 0; i < c->NumDirectMethods(); ++i) { 641 mirror::ArtMethod* m = c->GetDirectMethod(i); 642 mh.ChangeMethod(m); 643 ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 644 } 645 return true; 646} 647 648static bool RecordImageClassesVisitor(mirror::Class* klass, void* arg) 649 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 650 CompilerDriver::DescriptorSet* image_classes = 651 reinterpret_cast<CompilerDriver::DescriptorSet*>(arg); 652 image_classes->insert(ClassHelper(klass).GetDescriptor()); 653 return true; 654} 655 656// Make a list of descriptors for classes to include in the image 657void CompilerDriver::LoadImageClasses(base::TimingLogger& timings) 658 LOCKS_EXCLUDED(Locks::mutator_lock_) { 659 if (!IsImage()) { 660 return; 661 } 662 663 timings.NewSplit("LoadImageClasses"); 664 // Make a first class to load all classes explicitly listed in the file 665 Thread* self = Thread::Current(); 666 ScopedObjectAccess soa(self); 667 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 668 for (auto it = image_classes_->begin(), end = image_classes_->end(); it != end;) { 669 std::string descriptor(*it); 670 SirtRef<mirror::Class> klass(self, class_linker->FindSystemClass(descriptor.c_str())); 671 if (klass.get() == NULL) { 672 image_classes_->erase(it++); 673 VLOG(compiler) << "Failed to find class " << descriptor; 674 Thread::Current()->ClearException(); 675 } else { 676 ++it; 677 } 678 } 679 680 // Resolve exception classes referenced by the loaded classes. The catch logic assumes 681 // exceptions are resolved by the verifier when there is a catch block in an interested method. 682 // Do this here so that exception classes appear to have been specified image classes. 683 std::set<std::pair<uint16_t, const DexFile*> > unresolved_exception_types; 684 SirtRef<mirror::Class> java_lang_Throwable(self, 685 class_linker->FindSystemClass("Ljava/lang/Throwable;")); 686 do { 687 unresolved_exception_types.clear(); 688 class_linker->VisitClasses(ResolveCatchBlockExceptionsClassVisitor, 689 &unresolved_exception_types); 690 for (const std::pair<uint16_t, const DexFile*>& exception_type : unresolved_exception_types) { 691 uint16_t exception_type_idx = exception_type.first; 692 const DexFile* dex_file = exception_type.second; 693 mirror::DexCache* dex_cache = class_linker->FindDexCache(*dex_file); 694 mirror:: ClassLoader* class_loader = NULL; 695 SirtRef<mirror::Class> klass(self, class_linker->ResolveType(*dex_file, exception_type_idx, 696 dex_cache, class_loader)); 697 if (klass.get() == NULL) { 698 const DexFile::TypeId& type_id = dex_file->GetTypeId(exception_type_idx); 699 const char* descriptor = dex_file->GetTypeDescriptor(type_id); 700 LOG(FATAL) << "Failed to resolve class " << descriptor; 701 } 702 DCHECK(java_lang_Throwable->IsAssignableFrom(klass.get())); 703 } 704 // Resolving exceptions may load classes that reference more exceptions, iterate until no 705 // more are found 706 } while (!unresolved_exception_types.empty()); 707 708 // We walk the roots looking for classes so that we'll pick up the 709 // above classes plus any classes them depend on such super 710 // classes, interfaces, and the required ClassLinker roots. 711 class_linker->VisitClasses(RecordImageClassesVisitor, image_classes_.get()); 712 713 CHECK_NE(image_classes_->size(), 0U); 714} 715 716static void MaybeAddToImageClasses(mirror::Class* klass, CompilerDriver::DescriptorSet* image_classes) 717 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 718 while (!klass->IsObjectClass()) { 719 ClassHelper kh(klass); 720 const char* descriptor = kh.GetDescriptor(); 721 std::pair<CompilerDriver::DescriptorSet::iterator, bool> result = 722 image_classes->insert(descriptor); 723 if (result.second) { 724 VLOG(compiler) << "Adding " << descriptor << " to image classes"; 725 } else { 726 return; 727 } 728 for (size_t i = 0; i < kh.NumDirectInterfaces(); ++i) { 729 MaybeAddToImageClasses(kh.GetDirectInterface(i), image_classes); 730 } 731 if (klass->IsArrayClass()) { 732 MaybeAddToImageClasses(klass->GetComponentType(), image_classes); 733 } 734 klass = klass->GetSuperClass(); 735 } 736} 737 738void CompilerDriver::FindClinitImageClassesCallback(mirror::Object* object, void* arg) { 739 DCHECK(object != NULL); 740 DCHECK(arg != NULL); 741 CompilerDriver* compiler_driver = reinterpret_cast<CompilerDriver*>(arg); 742 MaybeAddToImageClasses(object->GetClass(), compiler_driver->image_classes_.get()); 743} 744 745void CompilerDriver::UpdateImageClasses(base::TimingLogger& timings) { 746 if (IsImage()) { 747 timings.NewSplit("UpdateImageClasses"); 748 749 // Update image_classes_ with classes for objects created by <clinit> methods. 750 Thread* self = Thread::Current(); 751 const char* old_cause = self->StartAssertNoThreadSuspension("ImageWriter"); 752 gc::Heap* heap = Runtime::Current()->GetHeap(); 753 // TODO: Image spaces only? 754 WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 755 heap->FlushAllocStack(); 756 heap->GetLiveBitmap()->Walk(FindClinitImageClassesCallback, this); 757 self->EndAssertNoThreadSuspension(old_cause); 758 } 759} 760 761bool CompilerDriver::CanAssumeTypeIsPresentInDexCache(const DexFile& dex_file, 762 uint32_t type_idx) { 763 if (IsImage() && IsImageClass(dex_file.GetTypeDescriptor(dex_file.GetTypeId(type_idx)))) { 764 if (kIsDebugBuild) { 765 ScopedObjectAccess soa(Thread::Current()); 766 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 767 mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 768 CHECK(resolved_class != NULL); 769 } 770 stats_->TypeInDexCache(); 771 return true; 772 } else { 773 stats_->TypeNotInDexCache(); 774 return false; 775 } 776} 777 778bool CompilerDriver::CanAssumeStringIsPresentInDexCache(const DexFile& dex_file, 779 uint32_t string_idx) { 780 // See also Compiler::ResolveDexFile 781 782 bool result = false; 783 if (IsImage()) { 784 // We resolve all const-string strings when building for the image. 785 ScopedObjectAccess soa(Thread::Current()); 786 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 787 Runtime::Current()->GetClassLinker()->ResolveString(dex_file, string_idx, dex_cache); 788 result = true; 789 } 790 if (result) { 791 stats_->StringInDexCache(); 792 } else { 793 stats_->StringNotInDexCache(); 794 } 795 return result; 796} 797 798bool CompilerDriver::CanAccessTypeWithoutChecks(uint32_t referrer_idx, const DexFile& dex_file, 799 uint32_t type_idx, 800 bool* type_known_final, bool* type_known_abstract, 801 bool* equals_referrers_class) { 802 if (type_known_final != NULL) { 803 *type_known_final = false; 804 } 805 if (type_known_abstract != NULL) { 806 *type_known_abstract = false; 807 } 808 if (equals_referrers_class != NULL) { 809 *equals_referrers_class = false; 810 } 811 ScopedObjectAccess soa(Thread::Current()); 812 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 813 // Get type from dex cache assuming it was populated by the verifier 814 mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 815 if (resolved_class == NULL) { 816 stats_->TypeNeedsAccessCheck(); 817 return false; // Unknown class needs access checks. 818 } 819 const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 820 if (equals_referrers_class != NULL) { 821 *equals_referrers_class = (method_id.class_idx_ == type_idx); 822 } 823 mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 824 if (referrer_class == NULL) { 825 stats_->TypeNeedsAccessCheck(); 826 return false; // Incomplete referrer knowledge needs access check. 827 } 828 // Perform access check, will return true if access is ok or false if we're going to have to 829 // check this at runtime (for example for class loaders). 830 bool result = referrer_class->CanAccess(resolved_class); 831 if (result) { 832 stats_->TypeDoesntNeedAccessCheck(); 833 if (type_known_final != NULL) { 834 *type_known_final = resolved_class->IsFinal() && !resolved_class->IsArrayClass(); 835 } 836 if (type_known_abstract != NULL) { 837 *type_known_abstract = resolved_class->IsAbstract() && !resolved_class->IsArrayClass(); 838 } 839 } else { 840 stats_->TypeNeedsAccessCheck(); 841 } 842 return result; 843} 844 845bool CompilerDriver::CanAccessInstantiableTypeWithoutChecks(uint32_t referrer_idx, 846 const DexFile& dex_file, 847 uint32_t type_idx) { 848 ScopedObjectAccess soa(Thread::Current()); 849 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 850 // Get type from dex cache assuming it was populated by the verifier. 851 mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 852 if (resolved_class == NULL) { 853 stats_->TypeNeedsAccessCheck(); 854 return false; // Unknown class needs access checks. 855 } 856 const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 857 mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 858 if (referrer_class == NULL) { 859 stats_->TypeNeedsAccessCheck(); 860 return false; // Incomplete referrer knowledge needs access check. 861 } 862 // Perform access and instantiable checks, will return true if access is ok or false if we're 863 // going to have to check this at runtime (for example for class loaders). 864 bool result = referrer_class->CanAccess(resolved_class) && resolved_class->IsInstantiable(); 865 if (result) { 866 stats_->TypeDoesntNeedAccessCheck(); 867 } else { 868 stats_->TypeNeedsAccessCheck(); 869 } 870 return result; 871} 872 873static mirror::Class* ComputeCompilingMethodsClass(ScopedObjectAccess& soa, 874 mirror::DexCache* dex_cache, 875 const DexCompilationUnit* mUnit) 876 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 877 // The passed dex_cache is a hint, sanity check before asking the class linker that will take a 878 // lock. 879 if (dex_cache->GetDexFile() != mUnit->GetDexFile()) { 880 dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 881 } 882 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 883 const DexFile::MethodId& referrer_method_id = mUnit->GetDexFile()->GetMethodId(mUnit->GetDexMethodIndex()); 884 return mUnit->GetClassLinker()->ResolveType(*mUnit->GetDexFile(), referrer_method_id.class_idx_, 885 dex_cache, class_loader); 886} 887 888static mirror::ArtField* ComputeFieldReferencedFromCompilingMethod(ScopedObjectAccess& soa, 889 const DexCompilationUnit* mUnit, 890 uint32_t field_idx) 891 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 892 mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 893 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 894 return mUnit->GetClassLinker()->ResolveField(*mUnit->GetDexFile(), field_idx, dex_cache, 895 class_loader, false); 896} 897 898static mirror::ArtMethod* ComputeMethodReferencedFromCompilingMethod(ScopedObjectAccess& soa, 899 const DexCompilationUnit* mUnit, 900 uint32_t method_idx, 901 InvokeType type) 902 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 903 mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 904 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 905 return mUnit->GetClassLinker()->ResolveMethod(*mUnit->GetDexFile(), method_idx, dex_cache, 906 class_loader, NULL, type); 907} 908 909bool CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 910 int& field_offset, bool& is_volatile, bool is_put) { 911 ScopedObjectAccess soa(Thread::Current()); 912 // Conservative defaults. 913 field_offset = -1; 914 is_volatile = true; 915 // Try to resolve field and ignore if an Incompatible Class Change Error (ie is static). 916 mirror::ArtField* resolved_field = ComputeFieldReferencedFromCompilingMethod(soa, mUnit, field_idx); 917 if (resolved_field != NULL && !resolved_field->IsStatic()) { 918 mirror::Class* referrer_class = 919 ComputeCompilingMethodsClass(soa, resolved_field->GetDeclaringClass()->GetDexCache(), 920 mUnit); 921 if (referrer_class != NULL) { 922 mirror::Class* fields_class = resolved_field->GetDeclaringClass(); 923 bool access_ok = referrer_class->CanAccess(fields_class) && 924 referrer_class->CanAccessMember(fields_class, 925 resolved_field->GetAccessFlags()); 926 if (!access_ok) { 927 // The referring class can't access the resolved field, this may occur as a result of a 928 // protected field being made public by a sub-class. Resort to the dex file to determine 929 // the correct class for the access check. 930 const DexFile& dex_file = *referrer_class->GetDexCache()->GetDexFile(); 931 mirror::Class* dex_fields_class = mUnit->GetClassLinker()->ResolveType(dex_file, 932 dex_file.GetFieldId(field_idx).class_idx_, 933 referrer_class); 934 access_ok = referrer_class->CanAccess(dex_fields_class) && 935 referrer_class->CanAccessMember(dex_fields_class, 936 resolved_field->GetAccessFlags()); 937 } 938 bool is_write_to_final_from_wrong_class = is_put && resolved_field->IsFinal() && 939 fields_class != referrer_class; 940 if (access_ok && !is_write_to_final_from_wrong_class) { 941 field_offset = resolved_field->GetOffset().Int32Value(); 942 is_volatile = resolved_field->IsVolatile(); 943 stats_->ResolvedInstanceField(); 944 return true; // Fast path. 945 } 946 } 947 } 948 // Clean up any exception left by field/type resolution 949 if (soa.Self()->IsExceptionPending()) { 950 soa.Self()->ClearException(); 951 } 952 stats_->UnresolvedInstanceField(); 953 return false; // Incomplete knowledge needs slow path. 954} 955 956bool CompilerDriver::ComputeStaticFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 957 int& field_offset, int& ssb_index, 958 bool& is_referrers_class, bool& is_volatile, 959 bool is_put) { 960 ScopedObjectAccess soa(Thread::Current()); 961 // Conservative defaults. 962 field_offset = -1; 963 ssb_index = -1; 964 is_referrers_class = false; 965 is_volatile = true; 966 // Try to resolve field and ignore if an Incompatible Class Change Error (ie isn't static). 967 mirror::ArtField* resolved_field = ComputeFieldReferencedFromCompilingMethod(soa, mUnit, field_idx); 968 if (resolved_field != NULL && resolved_field->IsStatic()) { 969 mirror::Class* referrer_class = 970 ComputeCompilingMethodsClass(soa, resolved_field->GetDeclaringClass()->GetDexCache(), 971 mUnit); 972 if (referrer_class != NULL) { 973 mirror::Class* fields_class = resolved_field->GetDeclaringClass(); 974 if (fields_class == referrer_class) { 975 is_referrers_class = true; // implies no worrying about class initialization 976 field_offset = resolved_field->GetOffset().Int32Value(); 977 is_volatile = resolved_field->IsVolatile(); 978 stats_->ResolvedLocalStaticField(); 979 return true; // fast path 980 } else { 981 bool access_ok = referrer_class->CanAccess(fields_class) && 982 referrer_class->CanAccessMember(fields_class, 983 resolved_field->GetAccessFlags()); 984 if (!access_ok) { 985 // The referring class can't access the resolved field, this may occur as a result of a 986 // protected field being made public by a sub-class. Resort to the dex file to determine 987 // the correct class for the access check. Don't change the field's class as that is 988 // used to identify the SSB. 989 const DexFile& dex_file = *referrer_class->GetDexCache()->GetDexFile(); 990 mirror::Class* dex_fields_class = 991 mUnit->GetClassLinker()->ResolveType(dex_file, 992 dex_file.GetFieldId(field_idx).class_idx_, 993 referrer_class); 994 access_ok = referrer_class->CanAccess(dex_fields_class) && 995 referrer_class->CanAccessMember(dex_fields_class, 996 resolved_field->GetAccessFlags()); 997 } 998 bool is_write_to_final_from_wrong_class = is_put && resolved_field->IsFinal(); 999 if (access_ok && !is_write_to_final_from_wrong_class) { 1000 // We have the resolved field, we must make it into a ssbIndex for the referrer 1001 // in its static storage base (which may fail if it doesn't have a slot for it) 1002 // TODO: for images we can elide the static storage base null check 1003 // if we know there's a non-null entry in the image 1004 mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 1005 if (fields_class->GetDexCache() == dex_cache) { 1006 // common case where the dex cache of both the referrer and the field are the same, 1007 // no need to search the dex file 1008 ssb_index = fields_class->GetDexTypeIndex(); 1009 field_offset = resolved_field->GetOffset().Int32Value(); 1010 is_volatile = resolved_field->IsVolatile(); 1011 stats_->ResolvedStaticField(); 1012 return true; 1013 } 1014 // Search dex file for localized ssb index, may fail if field's class is a parent 1015 // of the class mentioned in the dex file and there is no dex cache entry. 1016 const DexFile::StringId* string_id = 1017 mUnit->GetDexFile()->FindStringId(FieldHelper(resolved_field).GetDeclaringClassDescriptor()); 1018 if (string_id != NULL) { 1019 const DexFile::TypeId* type_id = 1020 mUnit->GetDexFile()->FindTypeId(mUnit->GetDexFile()->GetIndexForStringId(*string_id)); 1021 if (type_id != NULL) { 1022 // medium path, needs check of static storage base being initialized 1023 ssb_index = mUnit->GetDexFile()->GetIndexForTypeId(*type_id); 1024 field_offset = resolved_field->GetOffset().Int32Value(); 1025 is_volatile = resolved_field->IsVolatile(); 1026 stats_->ResolvedStaticField(); 1027 return true; 1028 } 1029 } 1030 } 1031 } 1032 } 1033 } 1034 // Clean up any exception left by field/type resolution 1035 if (soa.Self()->IsExceptionPending()) { 1036 soa.Self()->ClearException(); 1037 } 1038 stats_->UnresolvedStaticField(); 1039 return false; // Incomplete knowledge needs slow path. 1040} 1041 1042void CompilerDriver::GetCodeAndMethodForDirectCall(InvokeType type, InvokeType sharp_type, 1043 mirror::Class* referrer_class, 1044 mirror::ArtMethod* method, 1045 uintptr_t& direct_code, 1046 uintptr_t& direct_method, 1047 bool update_stats) { 1048 // For direct and static methods compute possible direct_code and direct_method values, ie 1049 // an address for the Method* being invoked and an address of the code for that Method*. 1050 // For interface calls compute a value for direct_method that is the interface method being 1051 // invoked, so this can be passed to the out-of-line runtime support code. 1052 direct_code = 0; 1053 direct_method = 0; 1054 if (compiler_backend_ == kPortable) { 1055 if (sharp_type != kStatic && sharp_type != kDirect) { 1056 return; 1057 } 1058 } else { 1059 if (sharp_type != kStatic && sharp_type != kDirect && sharp_type != kInterface) { 1060 return; 1061 } 1062 } 1063 bool method_code_in_boot = method->GetDeclaringClass()->GetClassLoader() == NULL; 1064 if (!method_code_in_boot) { 1065 return; 1066 } 1067 bool has_clinit_trampoline = method->IsStatic() && !method->GetDeclaringClass()->IsInitialized(); 1068 if (has_clinit_trampoline && (method->GetDeclaringClass() != referrer_class)) { 1069 // Ensure we run the clinit trampoline unless we are invoking a static method in the same class. 1070 return; 1071 } 1072 if (update_stats) { 1073 if (sharp_type != kInterface) { // Interfaces always go via a trampoline. 1074 stats_->DirectCallsToBoot(type); 1075 } 1076 stats_->DirectMethodsToBoot(type); 1077 } 1078 bool compiling_boot = Runtime::Current()->GetHeap()->GetContinuousSpaces().size() == 1; 1079 if (compiling_boot) { 1080 if (support_boot_image_fixup_) { 1081 MethodHelper mh(method); 1082 if (IsImageClass(mh.GetDeclaringClassDescriptor())) { 1083 // We can only branch directly to Methods that are resolved in the DexCache. 1084 // Otherwise we won't invoke the resolution trampoline. 1085 direct_method = -1; 1086 direct_code = -1; 1087 } 1088 } 1089 } else { 1090 if (Runtime::Current()->GetHeap()->FindSpaceFromObject(method, false)->IsImageSpace()) { 1091 direct_method = reinterpret_cast<uintptr_t>(method); 1092 } 1093 direct_code = reinterpret_cast<uintptr_t>(method->GetEntryPointFromCompiledCode()); 1094 } 1095} 1096 1097bool CompilerDriver::ComputeInvokeInfo(const DexCompilationUnit* mUnit, const uint32_t dex_pc, 1098 InvokeType& invoke_type, 1099 MethodReference& target_method, 1100 int& vtable_idx, 1101 uintptr_t& direct_code, uintptr_t& direct_method, 1102 bool update_stats, bool enable_devirtualization) { 1103 ScopedObjectAccess soa(Thread::Current()); 1104 vtable_idx = -1; 1105 direct_code = 0; 1106 direct_method = 0; 1107 mirror::ArtMethod* resolved_method = 1108 ComputeMethodReferencedFromCompilingMethod(soa, mUnit, target_method.dex_method_index, 1109 invoke_type); 1110 if (resolved_method != NULL) { 1111 // Don't try to fast-path if we don't understand the caller's class or this appears to be an 1112 // Incompatible Class Change Error. 1113 mirror::Class* referrer_class = 1114 ComputeCompilingMethodsClass(soa, resolved_method->GetDeclaringClass()->GetDexCache(), 1115 mUnit); 1116 bool icce = resolved_method->CheckIncompatibleClassChange(invoke_type); 1117 if (referrer_class != NULL && !icce) { 1118 mirror::Class* methods_class = resolved_method->GetDeclaringClass(); 1119 if (!referrer_class->CanAccess(methods_class) || 1120 !referrer_class->CanAccessMember(methods_class, 1121 resolved_method->GetAccessFlags())) { 1122 // The referring class can't access the resolved method, this may occur as a result of a 1123 // protected method being made public by implementing an interface that re-declares the 1124 // method public. Resort to the dex file to determine the correct class for the access 1125 // check. 1126 uint16_t class_idx = 1127 target_method.dex_file->GetMethodId(target_method.dex_method_index).class_idx_; 1128 methods_class = mUnit->GetClassLinker()->ResolveType(*target_method.dex_file, 1129 class_idx, referrer_class); 1130 } 1131 if (referrer_class->CanAccess(methods_class) && 1132 referrer_class->CanAccessMember(methods_class, resolved_method->GetAccessFlags())) { 1133 const bool enableFinalBasedSharpening = enable_devirtualization; 1134 // Sharpen a virtual call into a direct call when the target is known not to have been 1135 // overridden (ie is final). 1136 bool can_sharpen_virtual_based_on_type = 1137 (invoke_type == kVirtual) && (resolved_method->IsFinal() || methods_class->IsFinal()); 1138 // For invoke-super, ensure the vtable index will be correct to dispatch in the vtable of 1139 // the super class. 1140 bool can_sharpen_super_based_on_type = (invoke_type == kSuper) && 1141 (referrer_class != methods_class) && referrer_class->IsSubClass(methods_class) && 1142 resolved_method->GetMethodIndex() < methods_class->GetVTable()->GetLength() && 1143 (methods_class->GetVTable()->Get(resolved_method->GetMethodIndex()) == resolved_method); 1144 1145 if (enableFinalBasedSharpening && (can_sharpen_virtual_based_on_type || 1146 can_sharpen_super_based_on_type)) { 1147 // Sharpen a virtual call into a direct call. The method_idx is into referrer's 1148 // dex cache, check that this resolved method is where we expect it. 1149 CHECK(referrer_class->GetDexCache()->GetResolvedMethod(target_method.dex_method_index) == 1150 resolved_method) << PrettyMethod(resolved_method); 1151 if (update_stats) { 1152 stats_->ResolvedMethod(invoke_type); 1153 stats_->VirtualMadeDirect(invoke_type); 1154 } 1155 GetCodeAndMethodForDirectCall(invoke_type, kDirect, referrer_class, resolved_method, 1156 direct_code, direct_method, update_stats); 1157 invoke_type = kDirect; 1158 return true; 1159 } 1160 const bool enableVerifierBasedSharpening = enable_devirtualization; 1161 if (enableVerifierBasedSharpening && (invoke_type == kVirtual || 1162 invoke_type == kInterface)) { 1163 // Did the verifier record a more precise invoke target based on its type information? 1164 const MethodReference caller_method(mUnit->GetDexFile(), mUnit->GetDexMethodIndex()); 1165 const MethodReference* devirt_map_target = 1166 verifier::MethodVerifier::GetDevirtMap(caller_method, dex_pc); 1167 if (devirt_map_target != NULL) { 1168 mirror::DexCache* target_dex_cache = 1169 mUnit->GetClassLinker()->FindDexCache(*devirt_map_target->dex_file); 1170 mirror::ClassLoader* class_loader = 1171 soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 1172 mirror::ArtMethod* called_method = 1173 mUnit->GetClassLinker()->ResolveMethod(*devirt_map_target->dex_file, 1174 devirt_map_target->dex_method_index, 1175 target_dex_cache, class_loader, NULL, 1176 kVirtual); 1177 CHECK(called_method != NULL); 1178 CHECK(!called_method->IsAbstract()); 1179 GetCodeAndMethodForDirectCall(invoke_type, kDirect, referrer_class, called_method, 1180 direct_code, direct_method, update_stats); 1181 bool compiler_needs_dex_cache = 1182 (GetCompilerBackend() == kPortable) || 1183 (GetCompilerBackend() == kQuick && instruction_set_ != kThumb2) || 1184 (direct_code == 0) || (direct_code == static_cast<unsigned int>(-1)) || 1185 (direct_method == 0) || (direct_method == static_cast<unsigned int>(-1)); 1186 if ((devirt_map_target->dex_file != target_method.dex_file) && 1187 compiler_needs_dex_cache) { 1188 // We need to use the dex cache to find either the method or code, and the dex file 1189 // containing the method isn't the one expected for the target method. Try to find 1190 // the method within the expected target dex file. 1191 // TODO: the -1 could be handled as direct code if the patching new the target dex 1192 // file. 1193 // TODO: quick only supports direct pointers with Thumb2. 1194 // TODO: the following should be factored into a common helper routine to find 1195 // one dex file's method within another. 1196 const DexFile* dexfile = target_method.dex_file; 1197 const DexFile* cm_dexfile = 1198 called_method->GetDeclaringClass()->GetDexCache()->GetDexFile(); 1199 const DexFile::MethodId& cm_method_id = 1200 cm_dexfile->GetMethodId(called_method->GetDexMethodIndex()); 1201 const char* cm_descriptor = cm_dexfile->StringByTypeIdx(cm_method_id.class_idx_); 1202 const DexFile::StringId* descriptor = dexfile->FindStringId(cm_descriptor); 1203 if (descriptor != NULL) { 1204 const DexFile::TypeId* type_id = 1205 dexfile->FindTypeId(dexfile->GetIndexForStringId(*descriptor)); 1206 if (type_id != NULL) { 1207 const char* cm_name = cm_dexfile->GetMethodName(cm_method_id); 1208 const DexFile::StringId* name = dexfile->FindStringId(cm_name); 1209 if (name != NULL) { 1210 uint16_t return_type_idx; 1211 std::vector<uint16_t> param_type_idxs; 1212 bool success = dexfile->CreateTypeList(&return_type_idx, ¶m_type_idxs, 1213 cm_dexfile->GetMethodSignature(cm_method_id)); 1214 if (success) { 1215 const DexFile::ProtoId* sig = 1216 dexfile->FindProtoId(return_type_idx, param_type_idxs); 1217 if (sig != NULL) { 1218 const DexFile::MethodId* method_id = dexfile->FindMethodId(*type_id, 1219 *name, *sig); 1220 if (method_id != NULL) { 1221 if (update_stats) { 1222 stats_->ResolvedMethod(invoke_type); 1223 stats_->VirtualMadeDirect(invoke_type); 1224 stats_->PreciseTypeDevirtualization(); 1225 } 1226 target_method.dex_method_index = dexfile->GetIndexForMethodId(*method_id); 1227 invoke_type = kDirect; 1228 return true; 1229 } 1230 } 1231 } 1232 } 1233 } 1234 } 1235 // TODO: the stats for direct code and method are off as we failed to find the direct 1236 // method in the referring method's dex cache/file. 1237 } else { 1238 if (update_stats) { 1239 stats_->ResolvedMethod(invoke_type); 1240 stats_->VirtualMadeDirect(invoke_type); 1241 stats_->PreciseTypeDevirtualization(); 1242 } 1243 target_method = *devirt_map_target; 1244 invoke_type = kDirect; 1245 return true; 1246 } 1247 } 1248 } 1249 if (invoke_type == kSuper) { 1250 // Unsharpened super calls are suspicious so go slow-path. 1251 } else { 1252 // Sharpening failed so generate a regular resolved method dispatch. 1253 if (update_stats) { 1254 stats_->ResolvedMethod(invoke_type); 1255 } 1256 if (invoke_type == kVirtual || invoke_type == kSuper) { 1257 vtable_idx = resolved_method->GetMethodIndex(); 1258 } 1259 GetCodeAndMethodForDirectCall(invoke_type, invoke_type, referrer_class, resolved_method, 1260 direct_code, direct_method, update_stats); 1261 return true; 1262 } 1263 } 1264 } 1265 } 1266 // Clean up any exception left by method/invoke_type resolution 1267 if (soa.Self()->IsExceptionPending()) { 1268 soa.Self()->ClearException(); 1269 } 1270 if (update_stats) { 1271 stats_->UnresolvedMethod(invoke_type); 1272 } 1273 return false; // Incomplete knowledge needs slow path. 1274} 1275 1276bool CompilerDriver::IsSafeCast(const MethodReference& mr, uint32_t dex_pc) { 1277 bool result = verifier::MethodVerifier::IsSafeCast(mr, dex_pc); 1278 if (result) { 1279 stats_->SafeCast(); 1280 } else { 1281 stats_->NotASafeCast(); 1282 } 1283 return result; 1284} 1285 1286 1287void CompilerDriver::AddCodePatch(const DexFile* dex_file, 1288 uint32_t referrer_method_idx, 1289 InvokeType referrer_invoke_type, 1290 uint32_t target_method_idx, 1291 InvokeType target_invoke_type, 1292 size_t literal_offset) { 1293 MutexLock mu(Thread::Current(), compiled_methods_lock_); 1294 code_to_patch_.push_back(new PatchInformation(dex_file, 1295 referrer_method_idx, 1296 referrer_invoke_type, 1297 target_method_idx, 1298 target_invoke_type, 1299 literal_offset)); 1300} 1301void CompilerDriver::AddMethodPatch(const DexFile* dex_file, 1302 uint32_t referrer_method_idx, 1303 InvokeType referrer_invoke_type, 1304 uint32_t target_method_idx, 1305 InvokeType target_invoke_type, 1306 size_t literal_offset) { 1307 MutexLock mu(Thread::Current(), compiled_methods_lock_); 1308 methods_to_patch_.push_back(new PatchInformation(dex_file, 1309 referrer_method_idx, 1310 referrer_invoke_type, 1311 target_method_idx, 1312 target_invoke_type, 1313 literal_offset)); 1314} 1315 1316class ParallelCompilationManager { 1317 public: 1318 typedef void Callback(const ParallelCompilationManager* manager, size_t index); 1319 1320 ParallelCompilationManager(ClassLinker* class_linker, 1321 jobject class_loader, 1322 CompilerDriver* compiler, 1323 const DexFile* dex_file, 1324 ThreadPool& thread_pool) 1325 : index_(0), 1326 class_linker_(class_linker), 1327 class_loader_(class_loader), 1328 compiler_(compiler), 1329 dex_file_(dex_file), 1330 thread_pool_(&thread_pool) {} 1331 1332 ClassLinker* GetClassLinker() const { 1333 CHECK(class_linker_ != NULL); 1334 return class_linker_; 1335 } 1336 1337 jobject GetClassLoader() const { 1338 return class_loader_; 1339 } 1340 1341 CompilerDriver* GetCompiler() const { 1342 CHECK(compiler_ != NULL); 1343 return compiler_; 1344 } 1345 1346 const DexFile* GetDexFile() const { 1347 CHECK(dex_file_ != NULL); 1348 return dex_file_; 1349 } 1350 1351 void ForAll(size_t begin, size_t end, Callback callback, size_t work_units) { 1352 Thread* self = Thread::Current(); 1353 self->AssertNoPendingException(); 1354 CHECK_GT(work_units, 0U); 1355 1356 std::vector<ForAllClosure*> closures(work_units); 1357 index_ = begin; 1358 for (size_t i = 0; i < work_units; ++i) { 1359 closures[i] = new ForAllClosure(this, end, callback); 1360 thread_pool_->AddTask(self, closures[i]); 1361 } 1362 thread_pool_->StartWorkers(self); 1363 1364 // Ensure we're suspended while we're blocked waiting for the other threads to finish (worker 1365 // thread destructor's called below perform join). 1366 CHECK_NE(self->GetState(), kRunnable); 1367 1368 // Wait for all the worker threads to finish. 1369 thread_pool_->Wait(self, true, false); 1370 } 1371 1372 size_t NextIndex() { 1373 return index_.fetch_add(1); 1374 } 1375 1376 private: 1377 class ForAllClosure : public Task { 1378 public: 1379 ForAllClosure(ParallelCompilationManager* manager, size_t end, Callback* callback) 1380 : manager_(manager), 1381 end_(end), 1382 callback_(callback) {} 1383 1384 virtual void Run(Thread* self) { 1385 while (true) { 1386 const size_t index = manager_->NextIndex(); 1387 if (UNLIKELY(index >= end_)) { 1388 break; 1389 } 1390 callback_(manager_, index); 1391 self->AssertNoPendingException(); 1392 } 1393 } 1394 1395 virtual void Finalize() { 1396 delete this; 1397 } 1398 1399 private: 1400 ParallelCompilationManager* const manager_; 1401 const size_t end_; 1402 const Callback* const callback_; 1403 }; 1404 1405 AtomicInteger index_; 1406 ClassLinker* const class_linker_; 1407 const jobject class_loader_; 1408 CompilerDriver* const compiler_; 1409 const DexFile* const dex_file_; 1410 ThreadPool* const thread_pool_; 1411 1412 DISALLOW_COPY_AND_ASSIGN(ParallelCompilationManager); 1413}; 1414 1415// Return true if the class should be skipped during compilation. We 1416// never skip classes in the boot class loader. However, if we have a 1417// non-boot class loader and we can resolve the class in the boot 1418// class loader, we do skip the class. This happens if an app bundles 1419// classes found in the boot classpath. Since at runtime we will 1420// select the class from the boot classpath, do not attempt to resolve 1421// or compile it now. 1422static bool SkipClass(ClassLinker* class_linker, jobject class_loader, const DexFile& dex_file, 1423 const DexFile::ClassDef& class_def) { 1424 if (class_loader == NULL) { 1425 return false; 1426 } 1427 const char* descriptor = dex_file.GetClassDescriptor(class_def); 1428 return class_linker->IsInBootClassPath(descriptor); 1429} 1430 1431static void ResolveClassFieldsAndMethods(const ParallelCompilationManager* manager, 1432 size_t class_def_index) 1433 LOCKS_EXCLUDED(Locks::mutator_lock_) { 1434 ATRACE_CALL(); 1435 Thread* self = Thread::Current(); 1436 jobject jclass_loader = manager->GetClassLoader(); 1437 const DexFile& dex_file = *manager->GetDexFile(); 1438 ClassLinker* class_linker = manager->GetClassLinker(); 1439 1440 // If an instance field is final then we need to have a barrier on the return, static final 1441 // fields are assigned within the lock held for class initialization. Conservatively assume 1442 // constructor barriers are always required. 1443 bool requires_constructor_barrier = true; 1444 1445 // Method and Field are the worst. We can't resolve without either 1446 // context from the code use (to disambiguate virtual vs direct 1447 // method and instance vs static field) or from class 1448 // definitions. While the compiler will resolve what it can as it 1449 // needs it, here we try to resolve fields and methods used in class 1450 // definitions, since many of them many never be referenced by 1451 // generated code. 1452 const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 1453 if (!SkipClass(class_linker, jclass_loader, dex_file, class_def)) { 1454 // Note the class_data pointer advances through the headers, 1455 // static fields, instance fields, direct methods, and virtual 1456 // methods. 1457 const byte* class_data = dex_file.GetClassData(class_def); 1458 if (class_data == NULL) { 1459 // Empty class such as a marker interface. 1460 requires_constructor_barrier = false; 1461 } else { 1462 ScopedObjectAccess soa(self); 1463 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader); 1464 mirror::DexCache* dex_cache = class_linker->FindDexCache(dex_file); 1465 1466 // Resolve the class. 1467 mirror::Class* klass = class_linker->ResolveType(dex_file, class_def.class_idx_, dex_cache, 1468 class_loader); 1469 1470 bool resolve_fields_and_methods; 1471 if (klass == NULL) { 1472 // Class couldn't be resolved, for example, super-class is in a different dex file. Don't 1473 // attempt to resolve methods and fields when there is no declaring class. 1474 CHECK(soa.Self()->IsExceptionPending()); 1475 Thread::Current()->ClearException(); 1476 resolve_fields_and_methods = false; 1477 } else { 1478 resolve_fields_and_methods = manager->GetCompiler()->IsImage(); 1479 } 1480 ClassDataItemIterator it(dex_file, class_data); 1481 while (it.HasNextStaticField()) { 1482 if (resolve_fields_and_methods) { 1483 mirror::ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), 1484 dex_cache, class_loader, true); 1485 if (field == NULL) { 1486 CHECK(soa.Self()->IsExceptionPending()); 1487 soa.Self()->ClearException(); 1488 } 1489 } 1490 it.Next(); 1491 } 1492 // We require a constructor barrier if there are final instance fields. 1493 requires_constructor_barrier = false; 1494 while (it.HasNextInstanceField()) { 1495 if ((it.GetMemberAccessFlags() & kAccFinal) != 0) { 1496 requires_constructor_barrier = true; 1497 } 1498 if (resolve_fields_and_methods) { 1499 mirror::ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), 1500 dex_cache, class_loader, false); 1501 if (field == NULL) { 1502 CHECK(soa.Self()->IsExceptionPending()); 1503 soa.Self()->ClearException(); 1504 } 1505 } 1506 it.Next(); 1507 } 1508 if (resolve_fields_and_methods) { 1509 while (it.HasNextDirectMethod()) { 1510 mirror::ArtMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 1511 dex_cache, class_loader, NULL, 1512 it.GetMethodInvokeType(class_def)); 1513 if (method == NULL) { 1514 CHECK(soa.Self()->IsExceptionPending()); 1515 soa.Self()->ClearException(); 1516 } 1517 it.Next(); 1518 } 1519 while (it.HasNextVirtualMethod()) { 1520 mirror::ArtMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 1521 dex_cache, class_loader, NULL, 1522 it.GetMethodInvokeType(class_def)); 1523 if (method == NULL) { 1524 CHECK(soa.Self()->IsExceptionPending()); 1525 soa.Self()->ClearException(); 1526 } 1527 it.Next(); 1528 } 1529 DCHECK(!it.HasNext()); 1530 } 1531 } 1532 } 1533 if (requires_constructor_barrier) { 1534 manager->GetCompiler()->AddRequiresConstructorBarrier(self, &dex_file, class_def_index); 1535 } 1536} 1537 1538static void ResolveType(const ParallelCompilationManager* manager, size_t type_idx) 1539 LOCKS_EXCLUDED(Locks::mutator_lock_) { 1540 // Class derived values are more complicated, they require the linker and loader. 1541 ScopedObjectAccess soa(Thread::Current()); 1542 ClassLinker* class_linker = manager->GetClassLinker(); 1543 const DexFile& dex_file = *manager->GetDexFile(); 1544 mirror::DexCache* dex_cache = class_linker->FindDexCache(dex_file); 1545 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()); 1546 mirror::Class* klass = class_linker->ResolveType(dex_file, type_idx, dex_cache, class_loader); 1547 1548 if (klass == NULL) { 1549 CHECK(soa.Self()->IsExceptionPending()); 1550 Thread::Current()->ClearException(); 1551 } 1552} 1553 1554void CompilerDriver::ResolveDexFile(jobject class_loader, const DexFile& dex_file, 1555 ThreadPool& thread_pool, base::TimingLogger& timings) { 1556 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1557 1558 // TODO: we could resolve strings here, although the string table is largely filled with class 1559 // and method names. 1560 1561 ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool); 1562 if (IsImage()) { 1563 // For images we resolve all types, such as array, whereas for applications just those with 1564 // classdefs are resolved by ResolveClassFieldsAndMethods. 1565 // TODO: strdup memory leak. 1566 timings.NewSplit(strdup(("Resolve " + dex_file.GetLocation() + " Types").c_str())); 1567 context.ForAll(0, dex_file.NumTypeIds(), ResolveType, thread_count_); 1568 } 1569 1570 // TODO: strdup memory leak. 1571 timings.NewSplit(strdup(("Resolve " + dex_file.GetLocation() + " MethodsAndFields").c_str())); 1572 context.ForAll(0, dex_file.NumClassDefs(), ResolveClassFieldsAndMethods, thread_count_); 1573} 1574 1575void CompilerDriver::Verify(jobject class_loader, const std::vector<const DexFile*>& dex_files, 1576 ThreadPool& thread_pool, base::TimingLogger& timings) { 1577 for (size_t i = 0; i != dex_files.size(); ++i) { 1578 const DexFile* dex_file = dex_files[i]; 1579 CHECK(dex_file != NULL); 1580 VerifyDexFile(class_loader, *dex_file, thread_pool, timings); 1581 } 1582} 1583 1584static void VerifyClass(const ParallelCompilationManager* manager, size_t class_def_index) 1585 LOCKS_EXCLUDED(Locks::mutator_lock_) { 1586 ATRACE_CALL(); 1587 ScopedObjectAccess soa(Thread::Current()); 1588 const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index); 1589 const char* descriptor = manager->GetDexFile()->GetClassDescriptor(class_def); 1590 mirror::Class* klass = 1591 manager->GetClassLinker()->FindClass(descriptor, 1592 soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader())); 1593 if (klass == NULL) { 1594 CHECK(soa.Self()->IsExceptionPending()); 1595 soa.Self()->ClearException(); 1596 1597 /* 1598 * At compile time, we can still structurally verify the class even if FindClass fails. 1599 * This is to ensure the class is structurally sound for compilation. An unsound class 1600 * will be rejected by the verifier and later skipped during compilation in the compiler. 1601 */ 1602 mirror::DexCache* dex_cache = manager->GetClassLinker()->FindDexCache(*manager->GetDexFile()); 1603 std::string error_msg; 1604 if (verifier::MethodVerifier::VerifyClass(manager->GetDexFile(), 1605 dex_cache, 1606 soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()), 1607 class_def_index, error_msg, true) == 1608 verifier::MethodVerifier::kHardFailure) { 1609 const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index); 1610 LOG(ERROR) << "Verification failed on class " 1611 << PrettyDescriptor(manager->GetDexFile()->GetClassDescriptor(class_def)) 1612 << " because: " << error_msg; 1613 } 1614 } else { 1615 CHECK(klass->IsResolved()) << PrettyClass(klass); 1616 manager->GetClassLinker()->VerifyClass(klass); 1617 1618 if (klass->IsErroneous()) { 1619 // ClassLinker::VerifyClass throws, which isn't useful in the compiler. 1620 CHECK(soa.Self()->IsExceptionPending()); 1621 soa.Self()->ClearException(); 1622 } 1623 1624 CHECK(klass->IsCompileTimeVerified() || klass->IsErroneous()) 1625 << PrettyDescriptor(klass) << ": state=" << klass->GetStatus(); 1626 } 1627 soa.Self()->AssertNoPendingException(); 1628} 1629 1630void CompilerDriver::VerifyDexFile(jobject class_loader, const DexFile& dex_file, 1631 ThreadPool& thread_pool, base::TimingLogger& timings) { 1632 // TODO: strdup memory leak. 1633 timings.NewSplit(strdup(("Verify " + dex_file.GetLocation()).c_str())); 1634 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1635 ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool); 1636 context.ForAll(0, dex_file.NumClassDefs(), VerifyClass, thread_count_); 1637} 1638 1639static const char* class_initializer_black_list[] = { 1640 "Landroid/app/ActivityThread;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1641 "Landroid/bluetooth/BluetoothAudioGateway;", // Calls android.bluetooth.BluetoothAudioGateway.classInitNative(). 1642 "Landroid/bluetooth/HeadsetBase;", // Calls android.bluetooth.HeadsetBase.classInitNative(). 1643 "Landroid/content/res/CompatibilityInfo;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1644 "Landroid/content/res/CompatibilityInfo$1;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1645 "Landroid/content/UriMatcher;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1646 "Landroid/database/CursorWindow;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1647 "Landroid/database/sqlite/SQLiteConnection;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1648 "Landroid/database/sqlite/SQLiteConnection$Operation;", // Requires SimpleDateFormat -> java.util.Locale. 1649 "Landroid/database/sqlite/SQLiteDatabaseConfiguration;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1650 "Landroid/database/sqlite/SQLiteDebug;", // Calls android.util.Log.isLoggable. 1651 "Landroid/database/sqlite/SQLiteOpenHelper;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex. 1652 "Landroid/database/sqlite/SQLiteQueryBuilder;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1653 "Landroid/drm/DrmManagerClient;", // Calls System.loadLibrary. 1654 "Landroid/graphics/drawable/AnimatedRotateDrawable;", // Sub-class of Drawable. 1655 "Landroid/graphics/drawable/AnimationDrawable;", // Sub-class of Drawable. 1656 "Landroid/graphics/drawable/BitmapDrawable;", // Sub-class of Drawable. 1657 "Landroid/graphics/drawable/ClipDrawable;", // Sub-class of Drawable. 1658 "Landroid/graphics/drawable/ColorDrawable;", // Sub-class of Drawable. 1659 "Landroid/graphics/drawable/Drawable;", // Requires android.graphics.Rect. 1660 "Landroid/graphics/drawable/DrawableContainer;", // Sub-class of Drawable. 1661 "Landroid/graphics/drawable/GradientDrawable;", // Sub-class of Drawable. 1662 "Landroid/graphics/drawable/LayerDrawable;", // Sub-class of Drawable. 1663 "Landroid/graphics/drawable/NinePatchDrawable;", // Sub-class of Drawable. 1664 "Landroid/graphics/drawable/RotateDrawable;", // Sub-class of Drawable. 1665 "Landroid/graphics/drawable/ScaleDrawable;", // Sub-class of Drawable. 1666 "Landroid/graphics/drawable/ShapeDrawable;", // Sub-class of Drawable. 1667 "Landroid/graphics/drawable/StateListDrawable;", // Sub-class of Drawable. 1668 "Landroid/graphics/drawable/TransitionDrawable;", // Sub-class of Drawable. 1669 "Landroid/graphics/Matrix;", // Calls android.graphics.Matrix.native_create. 1670 "Landroid/graphics/Matrix$1;", // Requires Matrix. 1671 "Landroid/graphics/PixelFormat;", // Calls android.graphics.PixelFormat.nativeClassInit(). 1672 "Landroid/graphics/Rect;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1673 "Landroid/graphics/SurfaceTexture;", // Calls android.graphics.SurfaceTexture.nativeClassInit(). 1674 "Landroid/graphics/Typeface;", // Calls android.graphics.Typeface.nativeCreate. 1675 "Landroid/inputmethodservice/ExtractEditText;", // Requires android.widget.TextView. 1676 "Landroid/media/AmrInputStream;", // Calls OsConstants.initConstants. 1677 "Landroid/media/CamcorderProfile;", // Calls OsConstants.initConstants. 1678 "Landroid/media/CameraProfile;", // Calls System.loadLibrary. 1679 "Landroid/media/DecoderCapabilities;", // Calls System.loadLibrary. 1680 "Landroid/media/EncoderCapabilities;", // Calls OsConstants.initConstants. 1681 "Landroid/media/ExifInterface;", // Calls OsConstants.initConstants. 1682 "Landroid/media/MediaCodec;", // Calls OsConstants.initConstants. 1683 "Landroid/media/MediaCodecList;", // Calls OsConstants.initConstants. 1684 "Landroid/media/MediaCrypto;", // Calls OsConstants.initConstants. 1685 "Landroid/media/MediaDrm;", // Calls OsConstants.initConstants. 1686 "Landroid/media/MediaExtractor;", // Calls OsConstants.initConstants. 1687 "Landroid/media/MediaFile;", // Requires DecoderCapabilities. 1688 "Landroid/media/MediaMetadataRetriever;", // Calls OsConstants.initConstants. 1689 "Landroid/media/MediaMuxer;", // Calls OsConstants.initConstants. 1690 "Landroid/media/MediaPlayer;", // Calls System.loadLibrary. 1691 "Landroid/media/MediaRecorder;", // Calls System.loadLibrary. 1692 "Landroid/media/MediaScanner;", // Calls System.loadLibrary. 1693 "Landroid/media/ResampleInputStream;", // Calls OsConstants.initConstants. 1694 "Landroid/media/SoundPool;", // Calls OsConstants.initConstants. 1695 "Landroid/media/videoeditor/MediaArtistNativeHelper;", // Calls OsConstants.initConstants. 1696 "Landroid/media/videoeditor/VideoEditorProfile;", // Calls OsConstants.initConstants. 1697 "Landroid/mtp/MtpDatabase;", // Calls OsConstants.initConstants. 1698 "Landroid/mtp/MtpDevice;", // Calls OsConstants.initConstants. 1699 "Landroid/mtp/MtpServer;", // Calls OsConstants.initConstants. 1700 "Landroid/net/NetworkInfo;", // Calls java.util.EnumMap.<init> -> java.lang.Enum.getSharedConstants -> System.identityHashCode. 1701 "Landroid/net/Proxy;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1702 "Landroid/net/SSLCertificateSocketFactory;", // Requires javax.net.ssl.HttpsURLConnection. 1703 "Landroid/net/Uri;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex. 1704 "Landroid/net/Uri$AbstractHierarchicalUri;", // Requires Uri. 1705 "Landroid/net/Uri$HierarchicalUri;", // Requires Uri. 1706 "Landroid/net/Uri$OpaqueUri;", // Requires Uri. 1707 "Landroid/net/Uri$StringUri;", // Requires Uri. 1708 "Landroid/net/WebAddress;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1709 "Landroid/nfc/NdefRecord;", // Calls String.getBytes -> java.nio.charset.Charset. 1710 "Landroid/opengl/EGL14;", // Calls android.opengl.EGL14._nativeClassInit. 1711 "Landroid/opengl/GLES10;", // Calls android.opengl.GLES10._nativeClassInit. 1712 "Landroid/opengl/GLES10Ext;", // Calls android.opengl.GLES10Ext._nativeClassInit. 1713 "Landroid/opengl/GLES11;", // Requires GLES10. 1714 "Landroid/opengl/GLES11Ext;", // Calls android.opengl.GLES11Ext._nativeClassInit. 1715 "Landroid/opengl/GLES20;", // Calls android.opengl.GLES20._nativeClassInit. 1716 "Landroid/opengl/GLUtils;", // Calls android.opengl.GLUtils.nativeClassInit. 1717 "Landroid/os/Build;", // Calls -..-> android.os.SystemProperties.native_get. 1718 "Landroid/os/Build$VERSION;", // Requires Build. 1719 "Landroid/os/Debug;", // Requires android.os.Environment. 1720 "Landroid/os/Environment;", // Calls System.getenv. 1721 "Landroid/os/FileUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1722 "Landroid/os/StrictMode;", // Calls android.util.Log.isLoggable. 1723 "Landroid/os/StrictMode$VmPolicy;", // Requires StrictMode. 1724 "Landroid/os/Trace;", // Calls android.os.Trace.nativeGetEnabledTags. 1725 "Landroid/os/UEventObserver;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex. 1726 "Landroid/provider/ContactsContract;", // Calls OsConstants.initConstants. 1727 "Landroid/provider/Settings$Global;", // Calls OsConstants.initConstants. 1728 "Landroid/provider/Settings$Secure;", // Requires android.net.Uri. 1729 "Landroid/provider/Settings$System;", // Requires android.net.Uri. 1730 "Landroid/renderscript/RenderScript;", // Calls System.loadLibrary. 1731 "Landroid/server/BluetoothService;", // Calls android.server.BluetoothService.classInitNative. 1732 "Landroid/server/BluetoothEventLoop;", // Calls android.server.BluetoothEventLoop.classInitNative. 1733 "Landroid/telephony/PhoneNumberUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1734 "Landroid/telephony/TelephonyManager;", // Calls OsConstants.initConstants. 1735 "Landroid/text/AutoText;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1736 "Landroid/text/Layout;", // Calls com.android.internal.util.ArrayUtils.emptyArray -> System.identityHashCode. 1737 "Landroid/text/BoringLayout;", // Requires Layout. 1738 "Landroid/text/DynamicLayout;", // Requires Layout. 1739 "Landroid/text/Html$HtmlParser;", // Calls -..-> String.toLowerCase -> java.util.Locale. 1740 "Landroid/text/StaticLayout;", // Requires Layout. 1741 "Landroid/text/TextUtils;", // Requires android.util.DisplayMetrics. 1742 "Landroid/util/DisplayMetrics;", // Calls SystemProperties.native_get_int. 1743 "Landroid/util/Patterns;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1744 "Landroid/view/Choreographer;", // Calls SystemProperties.native_get_boolean. 1745 "Landroid/util/Patterns;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1746 "Landroid/view/GLES20Canvas;", // Calls GLES20Canvas.nIsAvailable(). 1747 "Landroid/view/GLES20RecordingCanvas;", // Requires android.view.GLES20Canvas. 1748 "Landroid/view/GestureDetector;", // Calls android.view.GLES20Canvas.nIsAvailable. 1749 "Landroid/view/HardwareRenderer$Gl20Renderer;", // Requires SystemProperties.native_get. 1750 "Landroid/view/HardwareRenderer$GlRenderer;", // Requires SystemProperties.native_get. 1751 "Landroid/view/InputEventConsistencyVerifier;", // Requires android.os.Build. 1752 "Landroid/view/Surface;", // Requires SystemProperties.native_get. 1753 "Landroid/view/SurfaceControl;", // Calls OsConstants.initConstants. 1754 "Landroid/view/animation/AlphaAnimation;", // Requires Animation. 1755 "Landroid/view/animation/Animation;", // Calls SystemProperties.native_get_boolean. 1756 "Landroid/view/animation/AnimationSet;", // Calls OsConstants.initConstants. 1757 "Landroid/view/textservice/SpellCheckerSubtype;", // Calls Class.getDex(). 1758 "Landroid/webkit/JniUtil;", // Calls System.loadLibrary. 1759 "Landroid/webkit/PluginManager;", // // Calls OsConstants.initConstants. 1760 "Landroid/webkit/WebViewCore;", // Calls System.loadLibrary. 1761 "Landroid/webkit/WebViewFactory;", // Calls -..-> android.os.SystemProperties.native_get. 1762 "Landroid/webkit/WebViewFactory$Preloader;", // Calls to Class.forName. 1763 "Landroid/webkit/WebViewInputDispatcher;", // Calls Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1764 "Landroid/webkit/URLUtil;", // Calls Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1765 "Landroid/widget/AutoCompleteTextView;", // Requires TextView. 1766 "Landroid/widget/Button;", // Requires TextView. 1767 "Landroid/widget/CheckBox;", // Requires TextView. 1768 "Landroid/widget/CheckedTextView;", // Requires TextView. 1769 "Landroid/widget/CompoundButton;", // Requires TextView. 1770 "Landroid/widget/EditText;", // Requires TextView. 1771 "Landroid/widget/NumberPicker;", // Requires java.util.Locale. 1772 "Landroid/widget/ScrollBarDrawable;", // Sub-class of Drawable. 1773 "Landroid/widget/SearchView$SearchAutoComplete;", // Requires TextView. 1774 "Landroid/widget/Switch;", // Requires TextView. 1775 "Landroid/widget/TextView;", // Calls Paint.<init> -> Paint.native_init. 1776 "Lcom/android/i18n/phonenumbers/AsYouTypeFormatter;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1777 "Lcom/android/i18n/phonenumbers/MetadataManager;", // Calls OsConstants.initConstants. 1778 "Lcom/android/i18n/phonenumbers/PhoneNumberMatcher;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1779 "Lcom/android/i18n/phonenumbers/PhoneNumberUtil;", // Requires java.util.logging.LogManager. 1780 "Lcom/android/i18n/phonenumbers/geocoding/AreaCodeMap;", // Calls OsConstants.initConstants. 1781 "Lcom/android/i18n/phonenumbers/geocoding/PhoneNumberOfflineGeocoder;", // Calls OsConstants.initConstants. 1782 "Lcom/android/internal/os/SamplingProfilerIntegration;", // Calls SystemProperties.native_get_int. 1783 "Lcom/android/internal/policy/impl/PhoneWindow;", // Calls android.os.Binder.init. 1784 "Lcom/android/internal/view/menu/ActionMenuItemView;", // Requires TextView. 1785 "Lcom/android/internal/widget/DialogTitle;", // Requires TextView. 1786 "Lcom/android/org/bouncycastle/asn1/StreamUtil;", // Calls Runtime.getRuntime().maxMemory(). 1787 "Lcom/android/org/bouncycastle/asn1/pkcs/MacData;", // Calls native ... -> java.math.NativeBN.BN_new(). 1788 "Lcom/android/org/bouncycastle/asn1/pkcs/RSASSAPSSparams;", // Calls native ... -> java.math.NativeBN.BN_new(). 1789 "Lcom/android/org/bouncycastle/asn1/cms/SignedData;", // Calls native ... -> java.math.NativeBN.BN_new(). 1790 "Lcom/android/org/bouncycastle/asn1/x509/GeneralSubtree;", // Calls native ... -> java.math.NativeBN.BN_new(). 1791 "Lcom/android/org/bouncycastle/asn1/x9/X9ECParameters;", // Calls native ... -> java.math.NativeBN.BN_new(). 1792 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$MD5;", // Requires com.android.org.conscrypt.NativeCrypto. 1793 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA1;", // Requires com.android.org.conscrypt.NativeCrypto. 1794 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA256;", // Requires com.android.org.conscrypt.NativeCrypto. 1795 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA384;", // Requires com.android.org.conscrypt.NativeCrypto. 1796 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA512;", // Requires com.android.org.conscrypt.NativeCrypto. 1797 "Lcom/android/org/bouncycastle/crypto/engines/RSABlindedEngine;", // Calls native ... -> java.math.NativeBN.BN_new(). 1798 "Lcom/android/org/bouncycastle/crypto/generators/DHKeyGeneratorHelper;", // Calls native ... -> java.math.NativeBN.BN_new(). 1799 "Lcom/android/org/bouncycastle/crypto/generators/DHParametersGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1800 "Lcom/android/org/bouncycastle/crypto/generators/DHParametersHelper;", // Calls System.getenv -> OsConstants.initConstants. 1801 "Lcom/android/org/bouncycastle/crypto/generators/DSAKeyPairGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1802 "Lcom/android/org/bouncycastle/crypto/generators/DSAParametersGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1803 "Lcom/android/org/bouncycastle/crypto/generators/RSAKeyPairGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1804 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/dh/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1805 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/dsa/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1806 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$EC;", // Calls OsConstants.initConstants. 1807 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDH;", // Calls OsConstants.initConstants. 1808 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDHC;", // Calls OsConstants.initConstants. 1809 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDSA;", // Calls OsConstants.initConstants. 1810 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECMQV;", // Calls OsConstants.initConstants. 1811 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1812 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/BCRSAPrivateCrtKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1813 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/BCRSAPrivateKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1814 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1815 "Lcom/android/org/bouncycastle/jcajce/provider/keystore/pkcs12/PKCS12KeyStoreSpi$BCPKCS12KeyStore;", // Calls Thread.currentThread. 1816 "Lcom/android/org/bouncycastle/jcajce/provider/keystore/pkcs12/PKCS12KeyStoreSpi;", // Calls Thread.currentThread. 1817 "Lcom/android/org/bouncycastle/jce/PKCS10CertificationRequest;", // Calls native ... -> java.math.NativeBN.BN_new(). 1818 "Lcom/android/org/bouncycastle/jce/provider/CertBlacklist;", // Calls System.getenv -> OsConstants.initConstants. 1819 "Lcom/android/org/bouncycastle/jce/provider/JCERSAPrivateCrtKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1820 "Lcom/android/org/bouncycastle/jce/provider/JCERSAPrivateKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1821 "Lcom/android/org/bouncycastle/jce/provider/PKIXCertPathValidatorSpi;", // Calls System.getenv -> OsConstants.initConstants. 1822 "Lcom/android/org/bouncycastle/math/ec/ECConstants;", // Calls native ... -> java.math.NativeBN.BN_new(). 1823 "Lcom/android/org/bouncycastle/math/ec/Tnaf;", // Calls native ... -> java.math.NativeBN.BN_new(). 1824 "Lcom/android/org/bouncycastle/util/BigIntegers;", // Calls native ... -> java.math.NativeBN.BN_new(). 1825 "Lcom/android/org/bouncycastle/x509/X509Util;", // Calls native ... -> java.math.NativeBN.BN_new(). 1826 "Lcom/android/org/conscrypt/CipherSuite;", // Calls OsConstants.initConstants. 1827 "Lcom/android/org/conscrypt/FileClientSessionCache$CacheFile;", // Calls OsConstants.initConstants. 1828 "Lcom/android/org/conscrypt/HandshakeIODataStream;", // Calls OsConstants.initConstants. 1829 "Lcom/android/org/conscrypt/Logger;", // Calls OsConstants.initConstants. 1830 "Lcom/android/org/conscrypt/NativeCrypto;", // Calls native NativeCrypto.clinit(). 1831 "Lcom/android/org/conscrypt/OpenSSLECKeyPairGenerator;", // Calls OsConstants.initConstants. 1832 "Lcom/android/org/conscrypt/OpenSSLEngine;", // Requires com.android.org.conscrypt.NativeCrypto. 1833 "Lcom/android/org/conscrypt/OpenSSLMac$HmacMD5;", // Calls native NativeCrypto.clinit(). 1834 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA1;", // Calls native NativeCrypto.clinit(). 1835 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA256;", // Calls native NativeCrypto.clinit(). 1836 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA384;", // Calls native NativeCrypto.clinit(). 1837 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA512;", // Calls native NativeCrypto.clinit(). 1838 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$MD5;", // Requires com.android.org.conscrypt.NativeCrypto. 1839 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA1;", // Requires com.android.org.conscrypt.NativeCrypto. 1840 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA256;", // Requires com.android.org.conscrypt.NativeCrypto. 1841 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA384;", // Requires com.android.org.conscrypt.NativeCrypto. 1842 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA512;", // Requires com.android.org.conscrypt.NativeCrypto. 1843 "Lcom/android/org/conscrypt/OpenSSLX509CertPath;", // Calls OsConstants.initConstants. 1844 "Lcom/android/org/conscrypt/OpenSSLX509CertificateFactory;", // Calls OsConstants.initConstants. 1845 "Lcom/android/org/conscrypt/PRF;", // Calls OsConstants.initConstants. 1846 "Lcom/android/org/conscrypt/SSLSessionImpl;", // Calls OsConstants.initConstants. 1847 "Lcom/android/org/conscrypt/TrustedCertificateStore;", // Calls System.getenv -> OsConstants.initConstants. 1848 "Lcom/android/okhttp/ConnectionPool;", // Calls OsConstants.initConstants. 1849 "Lcom/android/okhttp/OkHttpClient;", // Calls OsConstants.initConstants. 1850 "Lcom/android/okhttp/internal/DiskLruCache;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1851 "Lcom/android/okhttp/internal/Util;", // Calls OsConstants.initConstants. 1852 "Lcom/android/okhttp/internal/http/HttpsURLConnectionImpl;", // Calls VMClassLoader.getBootClassPathSize. 1853 "Lcom/android/okhttp/internal/spdy/SpdyConnection;", // Calls OsConstants.initConstants. 1854 "Lcom/android/okhttp/internal/spdy/SpdyReader;", // Calls OsConstants.initConstants. 1855 "Lcom/android/okhttp/internal/tls/OkHostnameVerifier;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1856 "Lcom/google/android/gles_jni/EGLContextImpl;", // Calls com.google.android.gles_jni.EGLImpl._nativeClassInit. 1857 "Lcom/google/android/gles_jni/EGLImpl;", // Calls com.google.android.gles_jni.EGLImpl._nativeClassInit. 1858 "Lcom/google/android/gles_jni/GLImpl;", // Calls com.google.android.gles_jni.GLImpl._nativeClassInit. 1859 "Lgov/nist/core/GenericObject;", // Calls OsConstants.initConstants. 1860 "Lgov/nist/core/Host;", // Calls OsConstants.initConstants. 1861 "Lgov/nist/core/HostPort;", // Calls OsConstants.initConstants. 1862 "Lgov/nist/core/NameValue;", // Calls OsConstants.initConstants. 1863 "Lgov/nist/core/net/DefaultNetworkLayer;", // Calls OsConstants.initConstants. 1864 "Lgov/nist/javax/sip/Utils;", // Calls OsConstants.initConstants. 1865 "Lgov/nist/javax/sip/address/AddressImpl;", // Calls OsConstants.initConstants. 1866 "Lgov/nist/javax/sip/address/Authority;", // Calls OsConstants.initConstants. 1867 "Lgov/nist/javax/sip/address/GenericURI;", // Calls OsConstants.initConstants. 1868 "Lgov/nist/javax/sip/address/NetObject;", // Calls OsConstants.initConstants. 1869 "Lgov/nist/javax/sip/address/SipUri;", // Calls OsConstants.initConstants. 1870 "Lgov/nist/javax/sip/address/TelephoneNumber;", // Calls OsConstants.initConstants. 1871 "Lgov/nist/javax/sip/address/UserInfo;", // Calls OsConstants.initConstants. 1872 "Lgov/nist/javax/sip/header/Accept;", // Calls OsConstants.initConstants. 1873 "Lgov/nist/javax/sip/header/AcceptEncoding;", // Calls OsConstants.initConstants. 1874 "Lgov/nist/javax/sip/header/AcceptLanguage;", // Calls OsConstants.initConstants. 1875 "Lgov/nist/javax/sip/header/AddressParametersHeader;", // Calls OsConstants.initConstants. 1876 "Lgov/nist/javax/sip/header/AlertInfoList;", // Calls OsConstants.initConstants. 1877 "Lgov/nist/javax/sip/header/AllowEvents;", // Calls OsConstants.initConstants. 1878 "Lgov/nist/javax/sip/header/AllowEventsList;", // Calls OsConstants.initConstants. 1879 "Lgov/nist/javax/sip/header/AuthenticationInfo;", // Calls OsConstants.initConstants. 1880 "Lgov/nist/javax/sip/header/Authorization;", // Calls OsConstants.initConstants. 1881 "Lgov/nist/javax/sip/header/CSeq;", // Calls OsConstants.initConstants. 1882 "Lgov/nist/javax/sip/header/CallIdentifier;", // Calls OsConstants.initConstants. 1883 "Lgov/nist/javax/sip/header/Challenge;", // Calls OsConstants.initConstants. 1884 "Lgov/nist/javax/sip/header/ContactList;", // Calls OsConstants.initConstants. 1885 "Lgov/nist/javax/sip/header/ContentEncoding;", // Calls OsConstants.initConstants. 1886 "Lgov/nist/javax/sip/header/ContentEncodingList;", // Calls OsConstants.initConstants. 1887 "Lgov/nist/javax/sip/header/ContentLanguageList;", // Calls OsConstants.initConstants. 1888 "Lgov/nist/javax/sip/header/ContentType;", // Calls OsConstants.initConstants. 1889 "Lgov/nist/javax/sip/header/Credentials;", // Calls OsConstants.initConstants. 1890 "Lgov/nist/javax/sip/header/ErrorInfoList;", // Calls OsConstants.initConstants. 1891 "Lgov/nist/javax/sip/header/Expires;", // Calls OsConstants.initConstants. 1892 "Lgov/nist/javax/sip/header/From;", // Calls OsConstants.initConstants. 1893 "Lgov/nist/javax/sip/header/MimeVersion;", // Calls OsConstants.initConstants. 1894 "Lgov/nist/javax/sip/header/NameMap;", // Calls OsConstants.initConstants. 1895 "Lgov/nist/javax/sip/header/Priority;", // Calls OsConstants.initConstants. 1896 "Lgov/nist/javax/sip/header/Protocol;", // Calls OsConstants.initConstants. 1897 "Lgov/nist/javax/sip/header/ProxyAuthenticate;", // Calls OsConstants.initConstants. 1898 "Lgov/nist/javax/sip/header/ProxyAuthenticateList;", // Calls OsConstants.initConstants. 1899 "Lgov/nist/javax/sip/header/ProxyAuthorizationList;", // Calls OsConstants.initConstants. 1900 "Lgov/nist/javax/sip/header/ProxyRequire;", // Calls OsConstants.initConstants. 1901 "Lgov/nist/javax/sip/header/ProxyRequireList;", // Calls OsConstants.initConstants. 1902 "Lgov/nist/javax/sip/header/RSeq;", // Calls OsConstants.initConstants. 1903 "Lgov/nist/javax/sip/header/RecordRoute;", // Calls OsConstants.initConstants. 1904 "Lgov/nist/javax/sip/header/ReferTo;", // Calls OsConstants.initConstants. 1905 "Lgov/nist/javax/sip/header/RequestLine;", // Calls OsConstants.initConstants. 1906 "Lgov/nist/javax/sip/header/Require;", // Calls OsConstants.initConstants. 1907 "Lgov/nist/javax/sip/header/RetryAfter;", // Calls OsConstants.initConstants. 1908 "Lgov/nist/javax/sip/header/SIPETag;", // Calls OsConstants.initConstants. 1909 "Lgov/nist/javax/sip/header/SIPHeader;", // Calls OsConstants.initConstants. 1910 "Lgov/nist/javax/sip/header/SIPHeaderNamesCache;", // Calls OsConstants.initConstants. 1911 "Lgov/nist/javax/sip/header/StatusLine;", // Calls OsConstants.initConstants. 1912 "Lgov/nist/javax/sip/header/SubscriptionState;", // Calls OsConstants.initConstants. 1913 "Lgov/nist/javax/sip/header/TimeStamp;", // Calls OsConstants.initConstants. 1914 "Lgov/nist/javax/sip/header/UserAgent;", // Calls OsConstants.initConstants. 1915 "Lgov/nist/javax/sip/header/Unsupported;", // Calls OsConstants.initConstants. 1916 "Lgov/nist/javax/sip/header/Warning;", // Calls OsConstants.initConstants. 1917 "Lgov/nist/javax/sip/header/ViaList;", // Calls OsConstants.initConstants. 1918 "Lgov/nist/javax/sip/header/extensions/Join;", // Calls OsConstants.initConstants. 1919 "Lgov/nist/javax/sip/header/extensions/References;", // Calls OsConstants.initConstants. 1920 "Lgov/nist/javax/sip/header/extensions/Replaces;", // Calls OsConstants.initConstants. 1921 "Lgov/nist/javax/sip/header/ims/PAccessNetworkInfo;", // Calls OsConstants.initConstants. 1922 "Lgov/nist/javax/sip/header/ims/PAssertedIdentity;", // Calls OsConstants.initConstants. 1923 "Lgov/nist/javax/sip/header/ims/PAssertedIdentityList;", // Calls OsConstants.initConstants. 1924 "Lgov/nist/javax/sip/header/ims/PAssociatedURI;", // Calls OsConstants.initConstants. 1925 "Lgov/nist/javax/sip/header/ims/PCalledPartyID;", // Calls OsConstants.initConstants. 1926 "Lgov/nist/javax/sip/header/ims/PChargingVector;", // Calls OsConstants.initConstants. 1927 "Lgov/nist/javax/sip/header/ims/PPreferredIdentity;", // Calls OsConstants.initConstants. 1928 "Lgov/nist/javax/sip/header/ims/PVisitedNetworkIDList;", // Calls OsConstants.initConstants. 1929 "Lgov/nist/javax/sip/header/ims/PathList;", // Calls OsConstants.initConstants. 1930 "Lgov/nist/javax/sip/header/ims/SecurityAgree;", // Calls OsConstants.initConstants. 1931 "Lgov/nist/javax/sip/header/ims/SecurityClient;", // Calls OsConstants.initConstants. 1932 "Lgov/nist/javax/sip/header/ims/ServiceRoute;", // Calls OsConstants.initConstants. 1933 "Ljava/io/Console;", // Has FileDescriptor(s). 1934 "Ljava/io/File;", // Calls to Random.<init> -> System.currentTimeMillis -> OsConstants.initConstants. 1935 "Ljava/io/FileDescriptor;", // Requires libcore.io.OsConstants. 1936 "Ljava/io/ObjectInputStream;", // Requires java.lang.ClassLoader$SystemClassLoader. 1937 "Ljava/io/ObjectStreamClass;", // Calls to Class.forName -> java.io.FileDescriptor. 1938 "Ljava/io/ObjectStreamConstants;", // Instance of non-image class SerializablePermission. 1939 "Ljava/lang/ClassLoader$SystemClassLoader;", // Calls System.getProperty -> OsConstants.initConstants. 1940 "Ljava/lang/HexStringParser;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1941 "Ljava/lang/ProcessManager;", // Calls Thread.currentThread. 1942 "Ljava/lang/Runtime;", // Calls System.getProperty -> OsConstants.initConstants. 1943 "Ljava/lang/System;", // Calls OsConstants.initConstants. 1944 "Ljava/math/BigDecimal;", // Calls native ... -> java.math.NativeBN.BN_new(). 1945 "Ljava/math/BigInteger;", // Calls native ... -> java.math.NativeBN.BN_new(). 1946 "Ljava/math/Primality;", // Calls native ... -> java.math.NativeBN.BN_new(). 1947 "Ljava/math/Multiplication;", // Calls native ... -> java.math.NativeBN.BN_new(). 1948 "Ljava/net/InetAddress;", // Requires libcore.io.OsConstants. 1949 "Ljava/net/Inet4Address;", // Sub-class of InetAddress. 1950 "Ljava/net/Inet6Address;", // Sub-class of InetAddress. 1951 "Ljava/net/InetUnixAddress;", // Sub-class of InetAddress. 1952 "Ljava/nio/charset/Charset;", // Calls Charset.getDefaultCharset -> System.getProperty -> OsConstants.initConstants. 1953 "Ljava/nio/charset/CharsetICU;", // Sub-class of Charset. 1954 "Ljava/nio/charset/Charsets;", // Calls Charset.forName. 1955 "Ljava/nio/charset/StandardCharsets;", // Calls OsConstants.initConstants. 1956 "Ljava/security/AlgorithmParameterGenerator;", // Calls OsConstants.initConstants. 1957 "Ljava/security/KeyPairGenerator$KeyPairGeneratorImpl;", // Calls OsConstants.initConstants. 1958 "Ljava/security/KeyPairGenerator;", // Calls OsConstants.initConstants. 1959 "Ljava/security/Security;", // Tries to do disk IO for "security.properties". 1960 "Ljava/security/spec/RSAKeyGenParameterSpec;", // java.math.NativeBN.BN_new() 1961 "Ljava/sql/Date;", // Calls OsConstants.initConstants. 1962 "Ljava/sql/DriverManager;", // Calls OsConstants.initConstants. 1963 "Ljava/sql/Time;", // Calls OsConstants.initConstants. 1964 "Ljava/sql/Timestamp;", // Calls OsConstants.initConstants. 1965 "Ljava/util/Date;", // Calls Date.<init> -> System.currentTimeMillis -> OsConstants.initConstants. 1966 "Ljava/util/ListResourceBundle;", // Calls OsConstants.initConstants. 1967 "Ljava/util/Locale;", // Calls System.getProperty -> OsConstants.initConstants. 1968 "Ljava/util/PropertyResourceBundle;", // Calls OsConstants.initConstants. 1969 "Ljava/util/ResourceBundle;", // Calls OsConstants.initConstants. 1970 "Ljava/util/ResourceBundle$MissingBundle;", // Calls OsConstants.initConstants. 1971 "Ljava/util/Scanner;", // regex.Pattern.compileImpl. 1972 "Ljava/util/SimpleTimeZone;", // Sub-class of TimeZone. 1973 "Ljava/util/TimeZone;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1974 "Ljava/util/concurrent/ConcurrentHashMap;", // Calls Runtime.getRuntime().availableProcessors(). 1975 "Ljava/util/concurrent/ConcurrentHashMap$Segment;", // Calls Runtime.getRuntime().availableProcessors(). 1976 "Ljava/util/concurrent/ConcurrentSkipListMap;", // Calls Random() -> OsConstants.initConstants. 1977 "Ljava/util/concurrent/Exchanger;", // Calls Runtime.getRuntime().availableProcessors(). 1978 "Ljava/util/concurrent/ForkJoinPool;", // Makes a thread pool ..-> calls OsConstants.initConstants. 1979 "Ljava/util/concurrent/LinkedTransferQueue;", // Calls Runtime.getRuntime().availableProcessors(). 1980 "Ljava/util/concurrent/Phaser;", // Calls Runtime.getRuntime().availableProcessors(). 1981 "Ljava/util/concurrent/ScheduledThreadPoolExecutor;", // Calls AtomicLong.VMSupportsCS8() 1982 "Ljava/util/concurrent/SynchronousQueue;", // Calls Runtime.getRuntime().availableProcessors(). 1983 "Ljava/util/concurrent/atomic/AtomicLong;", // Calls AtomicLong.VMSupportsCS8() 1984 "Ljava/util/logging/LogManager;", // Calls System.getProperty -> OsConstants.initConstants. 1985 "Ljava/util/prefs/AbstractPreferences;", // Calls OsConstants.initConstants. 1986 "Ljava/util/prefs/FilePreferencesImpl;", // Calls OsConstants.initConstants. 1987 "Ljava/util/prefs/FilePreferencesFactoryImpl;", // Calls OsConstants.initConstants. 1988 "Ljava/util/prefs/Preferences;", // Calls OsConstants.initConstants. 1989 "Ljavax/crypto/KeyAgreement;", // Calls OsConstants.initConstants. 1990 "Ljavax/crypto/KeyGenerator;", // Calls OsConstants.initConstants. 1991 "Ljavax/security/cert/X509Certificate;", // Calls VMClassLoader.getBootClassPathSize. 1992 "Ljavax/security/cert/X509Certificate$1;", // Calls VMClassLoader.getBootClassPathSize. 1993 "Ljavax/microedition/khronos/egl/EGL10;", // Requires EGLContext. 1994 "Ljavax/microedition/khronos/egl/EGLContext;", // Requires com.google.android.gles_jni.EGLImpl. 1995 "Ljavax/xml/datatype/DatatypeConstants;", // Calls OsConstants.initConstants. 1996 "Ljavax/xml/datatype/FactoryFinder;", // Calls OsConstants.initConstants. 1997 "Ljavax/xml/namespace/QName;", // Calls OsConstants.initConstants. 1998 "Ljavax/xml/validation/SchemaFactoryFinder;", // Calls OsConstants.initConstants. 1999 "Ljavax/xml/xpath/XPathConstants;", // Calls OsConstants.initConstants. 2000 "Ljavax/xml/xpath/XPathFactoryFinder;", // Calls OsConstants.initConstants. 2001 "Llibcore/icu/LocaleData;", // Requires java.util.Locale. 2002 "Llibcore/icu/TimeZoneNames;", // Requires java.util.TimeZone. 2003 "Llibcore/io/IoUtils;", // Calls Random.<init> -> System.currentTimeMillis -> FileDescriptor -> OsConstants.initConstants. 2004 "Llibcore/io/OsConstants;", // Platform specific. 2005 "Llibcore/net/MimeUtils;", // Calls libcore.net.MimeUtils.getContentTypesPropertiesStream -> System.getProperty. 2006 "Llibcore/reflect/Types;", // Calls OsConstants.initConstants. 2007 "Llibcore/util/ZoneInfo;", // Sub-class of TimeZone. 2008 "Llibcore/util/ZoneInfoDB;", // Calls System.getenv -> OsConstants.initConstants. 2009 "Lorg/apache/commons/logging/LogFactory;", // Calls System.getProperty. 2010 "Lorg/apache/commons/logging/impl/LogFactoryImpl;", // Calls OsConstants.initConstants. 2011 "Lorg/apache/harmony/security/fortress/Services;", // Calls ClassLoader.getSystemClassLoader -> System.getProperty. 2012 "Lorg/apache/harmony/security/provider/cert/X509CertFactoryImpl;", // Requires java.nio.charsets.Charsets. 2013 "Lorg/apache/harmony/security/provider/crypto/RandomBitsSupplier;", // Requires java.io.File. 2014 "Lorg/apache/harmony/security/utils/AlgNameMapper;", // Requires java.util.Locale. 2015 "Lorg/apache/harmony/security/pkcs10/CertificationRequest;", // Calls Thread.currentThread. 2016 "Lorg/apache/harmony/security/pkcs10/CertificationRequestInfo;", // Calls Thread.currentThread. 2017 "Lorg/apache/harmony/security/pkcs7/AuthenticatedAttributes;", // Calls Thread.currentThread. 2018 "Lorg/apache/harmony/security/pkcs7/SignedData;", // Calls Thread.currentThread. 2019 "Lorg/apache/harmony/security/pkcs7/SignerInfo;", // Calls Thread.currentThread. 2020 "Lorg/apache/harmony/security/pkcs8/PrivateKeyInfo;", // Calls Thread.currentThread. 2021 "Lorg/apache/harmony/security/provider/crypto/SHA1PRNG_SecureRandomImpl;", // Calls OsConstants.initConstants. 2022 "Lorg/apache/harmony/security/x501/AttributeTypeAndValue;", // Calls IntegralToString.convertInt -> Thread.currentThread. 2023 "Lorg/apache/harmony/security/x501/DirectoryString;", // Requires BigInteger. 2024 "Lorg/apache/harmony/security/x501/Name;", // Requires org.apache.harmony.security.x501.AttributeTypeAndValue. 2025 "Lorg/apache/harmony/security/x509/AccessDescription;", // Calls Thread.currentThread. 2026 "Lorg/apache/harmony/security/x509/AuthorityKeyIdentifier;", // Calls Thread.currentThread. 2027 "Lorg/apache/harmony/security/x509/CRLDistributionPoints;", // Calls Thread.currentThread. 2028 "Lorg/apache/harmony/security/x509/Certificate;", // Requires org.apache.harmony.security.x509.TBSCertificate. 2029 "Lorg/apache/harmony/security/x509/CertificateIssuer;", // Calls Thread.currentThread. 2030 "Lorg/apache/harmony/security/x509/CertificateList;", // Calls Thread.currentThread. 2031 "Lorg/apache/harmony/security/x509/DistributionPoint;", // Calls Thread.currentThread. 2032 "Lorg/apache/harmony/security/x509/DistributionPointName;", // Calls Thread.currentThread. 2033 "Lorg/apache/harmony/security/x509/EDIPartyName;", // Calls native ... -> java.math.NativeBN.BN_new(). 2034 "Lorg/apache/harmony/security/x509/GeneralName;", // Requires org.apache.harmony.security.x501.Name. 2035 "Lorg/apache/harmony/security/x509/GeneralNames;", // Requires GeneralName. 2036 "Lorg/apache/harmony/security/x509/GeneralSubtree;", // Calls Thread.currentThread. 2037 "Lorg/apache/harmony/security/x509/GeneralSubtrees;", // Calls Thread.currentThread. 2038 "Lorg/apache/harmony/security/x509/InfoAccessSyntax;", // Calls Thread.currentThread. 2039 "Lorg/apache/harmony/security/x509/IssuingDistributionPoint;", // Calls Thread.currentThread. 2040 "Lorg/apache/harmony/security/x509/NameConstraints;", // Calls Thread.currentThread. 2041 "Lorg/apache/harmony/security/x509/TBSCertList$RevokedCertificate;", // Calls NativeBN.BN_new(). 2042 "Lorg/apache/harmony/security/x509/TBSCertList;", // Calls Thread.currentThread. 2043 "Lorg/apache/harmony/security/x509/TBSCertificate;", // Requires org.apache.harmony.security.x501.Name. 2044 "Lorg/apache/harmony/security/x509/Time;", // Calls native ... -> java.math.NativeBN.BN_new(). 2045 "Lorg/apache/harmony/security/x509/Validity;", // Requires x509.Time. 2046 "Lorg/apache/harmony/security/x509/tsp/TSTInfo;", // Calls Thread.currentThread. 2047 "Lorg/apache/harmony/xml/ExpatParser;", // Calls native ExpatParser.staticInitialize. 2048 "Lorg/apache/harmony/xml/ExpatParser$EntityParser;", // Calls ExpatParser.staticInitialize. 2049 "Lorg/apache/http/conn/params/ConnRouteParams;", // Requires java.util.Locale. 2050 "Lorg/apache/http/conn/ssl/SSLSocketFactory;", // Calls java.security.Security.getProperty. 2051 "Lorg/apache/http/conn/util/InetAddressUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 2052}; 2053 2054static void InitializeClass(const ParallelCompilationManager* manager, size_t class_def_index) 2055 LOCKS_EXCLUDED(Locks::mutator_lock_) { 2056 ATRACE_CALL(); 2057 const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index); 2058 ScopedObjectAccess soa(Thread::Current()); 2059 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()); 2060 const char* descriptor = manager->GetDexFile()->GetClassDescriptor(class_def); 2061 mirror::Class* klass = manager->GetClassLinker()->FindClass(descriptor, class_loader); 2062 if (klass != NULL) { 2063 // Only try to initialize classes that were successfully verified. 2064 if (klass->IsVerified()) { 2065 // Attempt to initialize the class but bail if we either need to initialize the super-class 2066 // or static fields. 2067 manager->GetClassLinker()->EnsureInitialized(klass, false, false); 2068 if (!klass->IsInitialized()) { 2069 // We don't want non-trivial class initialization occurring on multiple threads due to 2070 // deadlock problems. For example, a parent class is initialized (holding its lock) that 2071 // refers to a sub-class in its static/class initializer causing it to try to acquire the 2072 // sub-class' lock. While on a second thread the sub-class is initialized (holding its lock) 2073 // after first initializing its parents, whose locks are acquired. This leads to a 2074 // parent-to-child and a child-to-parent lock ordering and consequent potential deadlock. 2075 // We need to use an ObjectLock due to potential suspension in the interpreting code. Rather 2076 // than use a special Object for the purpose we use the Class of java.lang.Class. 2077 ObjectLock lock(soa.Self(), klass->GetClass()); 2078 // Attempt to initialize allowing initialization of parent classes but still not static 2079 // fields. 2080 manager->GetClassLinker()->EnsureInitialized(klass, false, true); 2081 if (!klass->IsInitialized()) { 2082 // We need to initialize static fields, we only do this for image classes that aren't 2083 // black listed or marked with the $NoPreloadHolder. 2084 bool can_init_static_fields = manager->GetCompiler()->IsImage() && 2085 manager->GetCompiler()->IsImageClass(descriptor); 2086 if (can_init_static_fields) { 2087 // NoPreloadHolder inner class implies this should not be initialized early. 2088 bool is_black_listed = StringPiece(descriptor).ends_with("$NoPreloadHolder;"); 2089 if (!is_black_listed) { 2090 for (size_t i = 0; i < arraysize(class_initializer_black_list); ++i) { 2091 if (StringPiece(descriptor) == class_initializer_black_list[i]) { 2092 is_black_listed = true; 2093 break; 2094 } 2095 } 2096 } 2097 if (!is_black_listed) { 2098 VLOG(compiler) << "Initializing: " << descriptor; 2099 if (StringPiece(descriptor) == "Ljava/lang/Void;") { 2100 // Hand initialize j.l.Void to avoid Dex file operations in un-started runtime. 2101 ObjectLock lock(soa.Self(), klass); 2102 mirror::ObjectArray<mirror::ArtField>* fields = klass->GetSFields(); 2103 CHECK_EQ(fields->GetLength(), 1); 2104 fields->Get(0)->SetObj(klass, manager->GetClassLinker()->FindPrimitiveClass('V')); 2105 klass->SetStatus(mirror::Class::kStatusInitialized, soa.Self()); 2106 } else { 2107 manager->GetClassLinker()->EnsureInitialized(klass, true, true); 2108 } 2109 } 2110 } 2111 } 2112 soa.Self()->AssertNoPendingException(); 2113 } 2114 // If successfully initialized place in SSB array. 2115 if (klass->IsInitialized()) { 2116 klass->GetDexCache()->GetInitializedStaticStorage()->Set(klass->GetDexTypeIndex(), klass); 2117 } 2118 } 2119 // Record the final class status if necessary. 2120 ClassReference ref(manager->GetDexFile(), class_def_index); 2121 manager->GetCompiler()->RecordClassStatus(ref, klass->GetStatus()); 2122 } 2123 // Clear any class not found or verification exceptions. 2124 soa.Self()->ClearException(); 2125} 2126 2127void CompilerDriver::InitializeClasses(jobject jni_class_loader, const DexFile& dex_file, 2128 ThreadPool& thread_pool, base::TimingLogger& timings) { 2129 // TODO: strdup memory leak. 2130 timings.NewSplit(strdup(("InitializeNoClinit " + dex_file.GetLocation()).c_str())); 2131#ifndef NDEBUG 2132 // Sanity check blacklist descriptors. 2133 if (IsImage()) { 2134 for (size_t i = 0; i < arraysize(class_initializer_black_list); ++i) { 2135 const char* descriptor = class_initializer_black_list[i]; 2136 CHECK(IsValidDescriptor(descriptor)) << descriptor; 2137 } 2138 } 2139#endif 2140 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 2141 ParallelCompilationManager context(class_linker, jni_class_loader, this, &dex_file, thread_pool); 2142 context.ForAll(0, dex_file.NumClassDefs(), InitializeClass, thread_count_); 2143} 2144 2145void CompilerDriver::InitializeClasses(jobject class_loader, 2146 const std::vector<const DexFile*>& dex_files, 2147 ThreadPool& thread_pool, base::TimingLogger& timings) { 2148 for (size_t i = 0; i != dex_files.size(); ++i) { 2149 const DexFile* dex_file = dex_files[i]; 2150 CHECK(dex_file != NULL); 2151 InitializeClasses(class_loader, *dex_file, thread_pool, timings); 2152 } 2153} 2154 2155void CompilerDriver::Compile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 2156 ThreadPool& thread_pool, base::TimingLogger& timings) { 2157 for (size_t i = 0; i != dex_files.size(); ++i) { 2158 const DexFile* dex_file = dex_files[i]; 2159 CHECK(dex_file != NULL); 2160 CompileDexFile(class_loader, *dex_file, thread_pool, timings); 2161 } 2162} 2163 2164void CompilerDriver::CompileClass(const ParallelCompilationManager* manager, size_t class_def_index) { 2165 ATRACE_CALL(); 2166 jobject jclass_loader = manager->GetClassLoader(); 2167 const DexFile& dex_file = *manager->GetDexFile(); 2168 const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 2169 ClassLinker* class_linker = manager->GetClassLinker(); 2170 if (SkipClass(class_linker, jclass_loader, dex_file, class_def)) { 2171 return; 2172 } 2173 ClassReference ref(&dex_file, class_def_index); 2174 // Skip compiling classes with generic verifier failures since they will still fail at runtime 2175 if (verifier::MethodVerifier::IsClassRejected(ref)) { 2176 return; 2177 } 2178 const byte* class_data = dex_file.GetClassData(class_def); 2179 if (class_data == NULL) { 2180 // empty class, probably a marker interface 2181 return; 2182 } 2183 2184 // Can we run DEX-to-DEX compiler on this class ? 2185 DexToDexCompilationLevel dex_to_dex_compilation_level = kDontDexToDexCompile; 2186 { 2187 ScopedObjectAccess soa(Thread::Current()); 2188 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader); 2189 dex_to_dex_compilation_level = GetDexToDexCompilationlevel(class_loader, dex_file, class_def); 2190 } 2191 ClassDataItemIterator it(dex_file, class_data); 2192 // Skip fields 2193 while (it.HasNextStaticField()) { 2194 it.Next(); 2195 } 2196 while (it.HasNextInstanceField()) { 2197 it.Next(); 2198 } 2199 CompilerDriver* driver = manager->GetCompiler(); 2200 // Compile direct methods 2201 int64_t previous_direct_method_idx = -1; 2202 while (it.HasNextDirectMethod()) { 2203 uint32_t method_idx = it.GetMemberIndex(); 2204 if (method_idx == previous_direct_method_idx) { 2205 // smali can create dex files with two encoded_methods sharing the same method_idx 2206 // http://code.google.com/p/smali/issues/detail?id=119 2207 it.Next(); 2208 continue; 2209 } 2210 previous_direct_method_idx = method_idx; 2211 driver->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), 2212 it.GetMethodInvokeType(class_def), class_def_index, 2213 method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level); 2214 it.Next(); 2215 } 2216 // Compile virtual methods 2217 int64_t previous_virtual_method_idx = -1; 2218 while (it.HasNextVirtualMethod()) { 2219 uint32_t method_idx = it.GetMemberIndex(); 2220 if (method_idx == previous_virtual_method_idx) { 2221 // smali can create dex files with two encoded_methods sharing the same method_idx 2222 // http://code.google.com/p/smali/issues/detail?id=119 2223 it.Next(); 2224 continue; 2225 } 2226 previous_virtual_method_idx = method_idx; 2227 driver->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), 2228 it.GetMethodInvokeType(class_def), class_def_index, 2229 method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level); 2230 it.Next(); 2231 } 2232 DCHECK(!it.HasNext()); 2233} 2234 2235void CompilerDriver::CompileDexFile(jobject class_loader, const DexFile& dex_file, 2236 ThreadPool& thread_pool, base::TimingLogger& timings) { 2237 // TODO: strdup memory leak. 2238 timings.NewSplit(strdup(("Compile " + dex_file.GetLocation()).c_str())); 2239 ParallelCompilationManager context(Runtime::Current()->GetClassLinker(), class_loader, this, 2240 &dex_file, thread_pool); 2241 context.ForAll(0, dex_file.NumClassDefs(), CompilerDriver::CompileClass, thread_count_); 2242} 2243 2244void CompilerDriver::CompileMethod(const DexFile::CodeItem* code_item, uint32_t access_flags, 2245 InvokeType invoke_type, uint32_t class_def_idx, 2246 uint32_t method_idx, jobject class_loader, 2247 const DexFile& dex_file, 2248 DexToDexCompilationLevel dex_to_dex_compilation_level) { 2249 CompiledMethod* compiled_method = NULL; 2250 uint64_t start_ns = NanoTime(); 2251 2252 if ((access_flags & kAccNative) != 0) { 2253 compiled_method = (*jni_compiler_)(*this, access_flags, method_idx, dex_file); 2254 CHECK(compiled_method != NULL); 2255 } else if ((access_flags & kAccAbstract) != 0) { 2256 } else { 2257 MethodReference method_ref(&dex_file, method_idx); 2258 bool compile = verifier::MethodVerifier::IsCandidateForCompilation(method_ref, access_flags); 2259 2260 if (compile) { 2261 CompilerFn compiler = compiler_; 2262#ifdef ART_SEA_IR_MODE 2263 bool use_sea = Runtime::Current()->IsSeaIRMode(); 2264 use_sea = use_sea && 2265 (std::string::npos != PrettyMethod(method_idx, dex_file).find("fibonacci")); 2266 if (use_sea) { 2267 compiler = sea_ir_compiler_; 2268 LOG(INFO) << "Using SEA IR to compile..." << std::endl; 2269 } 2270#endif 2271 // NOTE: if compiler declines to compile this method, it will return NULL. 2272 compiled_method = (*compiler)(*this, code_item, access_flags, invoke_type, class_def_idx, 2273 method_idx, class_loader, dex_file); 2274 } else if (dex_to_dex_compilation_level != kDontDexToDexCompile) { 2275 // TODO: add a mode to disable DEX-to-DEX compilation ? 2276 (*dex_to_dex_compiler_)(*this, code_item, access_flags, 2277 invoke_type, class_def_idx, 2278 method_idx, class_loader, dex_file, 2279 dex_to_dex_compilation_level); 2280 } 2281 } 2282 uint64_t duration_ns = NanoTime() - start_ns; 2283#ifdef ART_USE_PORTABLE_COMPILER 2284 const uint64_t kWarnMilliSeconds = 1000; 2285#else 2286 const uint64_t kWarnMilliSeconds = 100; 2287#endif 2288 if (duration_ns > MsToNs(kWarnMilliSeconds)) { 2289 LOG(WARNING) << "Compilation of " << PrettyMethod(method_idx, dex_file) 2290 << " took " << PrettyDuration(duration_ns); 2291 } 2292 2293 Thread* self = Thread::Current(); 2294 if (compiled_method != NULL) { 2295 MethodReference ref(&dex_file, method_idx); 2296 DCHECK(GetCompiledMethod(ref) == NULL) << PrettyMethod(method_idx, dex_file); 2297 { 2298 MutexLock mu(self, compiled_methods_lock_); 2299 compiled_methods_.Put(ref, compiled_method); 2300 } 2301 DCHECK(GetCompiledMethod(ref) != NULL) << PrettyMethod(method_idx, dex_file); 2302 } 2303 2304 if (self->IsExceptionPending()) { 2305 ScopedObjectAccess soa(self); 2306 LOG(FATAL) << "Unexpected exception compiling: " << PrettyMethod(method_idx, dex_file) << "\n" 2307 << self->GetException(NULL)->Dump(); 2308 } 2309} 2310 2311CompiledClass* CompilerDriver::GetCompiledClass(ClassReference ref) const { 2312 MutexLock mu(Thread::Current(), compiled_classes_lock_); 2313 ClassTable::const_iterator it = compiled_classes_.find(ref); 2314 if (it == compiled_classes_.end()) { 2315 return NULL; 2316 } 2317 CHECK(it->second != NULL); 2318 return it->second; 2319} 2320 2321void CompilerDriver::RecordClassStatus(ClassReference ref, mirror::Class::Status status) { 2322 MutexLock mu(Thread::Current(), compiled_classes_lock_); 2323 auto it = compiled_classes_.find(ref); 2324 if (it == compiled_classes_.end() || it->second->GetStatus() != status) { 2325 // An entry doesn't exist or the status is lower than the new status. 2326 if (it != compiled_classes_.end()) { 2327 CHECK_GT(status, it->second->GetStatus()); 2328 delete it->second; 2329 } 2330 switch (status) { 2331 case mirror::Class::kStatusNotReady: 2332 case mirror::Class::kStatusError: 2333 case mirror::Class::kStatusRetryVerificationAtRuntime: 2334 case mirror::Class::kStatusVerified: 2335 case mirror::Class::kStatusInitialized: 2336 break; // Expected states. 2337 default: 2338 LOG(FATAL) << "Unexpected class status for class " 2339 << PrettyDescriptor(ref.first->GetClassDescriptor(ref.first->GetClassDef(ref.second))) 2340 << " of " << status; 2341 } 2342 CompiledClass* compiled_class = new CompiledClass(status); 2343 compiled_classes_.Overwrite(ref, compiled_class); 2344 } 2345} 2346 2347CompiledMethod* CompilerDriver::GetCompiledMethod(MethodReference ref) const { 2348 MutexLock mu(Thread::Current(), compiled_methods_lock_); 2349 MethodTable::const_iterator it = compiled_methods_.find(ref); 2350 if (it == compiled_methods_.end()) { 2351 return NULL; 2352 } 2353 CHECK(it->second != NULL); 2354 return it->second; 2355} 2356 2357void CompilerDriver::SetBitcodeFileName(std::string const& filename) { 2358 typedef void (*SetBitcodeFileNameFn)(CompilerDriver&, std::string const&); 2359 2360 SetBitcodeFileNameFn set_bitcode_file_name = 2361 reinterpret_cast<SetBitcodeFileNameFn>(compilerLLVMSetBitcodeFileName); 2362 2363 set_bitcode_file_name(*this, filename); 2364} 2365 2366 2367void CompilerDriver::AddRequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 2368 size_t class_def_index) { 2369 WriterMutexLock mu(self, freezing_constructor_lock_); 2370 freezing_constructor_classes_.insert(ClassReference(dex_file, class_def_index)); 2371} 2372 2373bool CompilerDriver::RequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 2374 size_t class_def_index) { 2375 ReaderMutexLock mu(self, freezing_constructor_lock_); 2376 return freezing_constructor_classes_.count(ClassReference(dex_file, class_def_index)) != 0; 2377} 2378 2379bool CompilerDriver::WriteElf(const std::string& android_root, 2380 bool is_host, 2381 const std::vector<const art::DexFile*>& dex_files, 2382 OatWriter& oat_writer, 2383 art::File* file) 2384 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2385#if defined(ART_USE_PORTABLE_COMPILER) 2386 return art::ElfWriterMclinker::Create(file, oat_writer, dex_files, android_root, is_host, *this); 2387#else 2388 return art::ElfWriterQuick::Create(file, oat_writer, dex_files, android_root, is_host, *this); 2389#endif 2390} 2391void CompilerDriver::InstructionSetToLLVMTarget(InstructionSet instruction_set, 2392 std::string& target_triple, 2393 std::string& target_cpu, 2394 std::string& target_attr) { 2395 switch (instruction_set) { 2396 case kThumb2: 2397 target_triple = "thumb-none-linux-gnueabi"; 2398 target_cpu = "cortex-a9"; 2399 target_attr = "+thumb2,+neon,+neonfp,+vfp3,+db"; 2400 break; 2401 2402 case kArm: 2403 target_triple = "armv7-none-linux-gnueabi"; 2404 // TODO: Fix for Nexus S. 2405 target_cpu = "cortex-a9"; 2406 // TODO: Fix for Xoom. 2407 target_attr = "+v7,+neon,+neonfp,+vfp3,+db"; 2408 break; 2409 2410 case kX86: 2411 target_triple = "i386-pc-linux-gnu"; 2412 target_attr = ""; 2413 break; 2414 2415 case kMips: 2416 target_triple = "mipsel-unknown-linux"; 2417 target_attr = "mips32r2"; 2418 break; 2419 2420 default: 2421 LOG(FATAL) << "Unknown instruction set: " << instruction_set; 2422 } 2423 } 2424} // namespace art 2425