compiler_driver.cc revision f96b21728e8b10e2060ad2d0de46fcacf5974260
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_)); 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(1U)); 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 (image_classes_.get() == NULL) { 586 return true; 587 } 588 return image_classes_->find(descriptor) != image_classes_->end(); 589} 590 591static void ResolveExceptionsForMethod(MethodHelper* mh, 592 std::set<std::pair<uint16_t, const DexFile*> >& exceptions_to_resolve) 593 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 594 const DexFile::CodeItem* code_item = mh->GetCodeItem(); 595 if (code_item == NULL) { 596 return; // native or abstract method 597 } 598 if (code_item->tries_size_ == 0) { 599 return; // nothing to process 600 } 601 const byte* encoded_catch_handler_list = DexFile::GetCatchHandlerData(*code_item, 0); 602 size_t num_encoded_catch_handlers = DecodeUnsignedLeb128(&encoded_catch_handler_list); 603 for (size_t i = 0; i < num_encoded_catch_handlers; i++) { 604 int32_t encoded_catch_handler_size = DecodeSignedLeb128(&encoded_catch_handler_list); 605 bool has_catch_all = false; 606 if (encoded_catch_handler_size <= 0) { 607 encoded_catch_handler_size = -encoded_catch_handler_size; 608 has_catch_all = true; 609 } 610 for (int32_t j = 0; j < encoded_catch_handler_size; j++) { 611 uint16_t encoded_catch_handler_handlers_type_idx = 612 DecodeUnsignedLeb128(&encoded_catch_handler_list); 613 // Add to set of types to resolve if not already in the dex cache resolved types 614 if (!mh->IsResolvedTypeIdx(encoded_catch_handler_handlers_type_idx)) { 615 exceptions_to_resolve.insert( 616 std::pair<uint16_t, const DexFile*>(encoded_catch_handler_handlers_type_idx, 617 &mh->GetDexFile())); 618 } 619 // ignore address associated with catch handler 620 DecodeUnsignedLeb128(&encoded_catch_handler_list); 621 } 622 if (has_catch_all) { 623 // ignore catch all address 624 DecodeUnsignedLeb128(&encoded_catch_handler_list); 625 } 626 } 627} 628 629static bool ResolveCatchBlockExceptionsClassVisitor(mirror::Class* c, void* arg) 630 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 631 std::set<std::pair<uint16_t, const DexFile*> >* exceptions_to_resolve = 632 reinterpret_cast<std::set<std::pair<uint16_t, const DexFile*> >*>(arg); 633 MethodHelper mh; 634 for (size_t i = 0; i < c->NumVirtualMethods(); ++i) { 635 mirror::ArtMethod* m = c->GetVirtualMethod(i); 636 mh.ChangeMethod(m); 637 ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 638 } 639 for (size_t i = 0; i < c->NumDirectMethods(); ++i) { 640 mirror::ArtMethod* m = c->GetDirectMethod(i); 641 mh.ChangeMethod(m); 642 ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 643 } 644 return true; 645} 646 647static bool RecordImageClassesVisitor(mirror::Class* klass, void* arg) 648 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 649 CompilerDriver::DescriptorSet* image_classes = 650 reinterpret_cast<CompilerDriver::DescriptorSet*>(arg); 651 image_classes->insert(ClassHelper(klass).GetDescriptor()); 652 return true; 653} 654 655// Make a list of descriptors for classes to include in the image 656void CompilerDriver::LoadImageClasses(base::TimingLogger& timings) 657 LOCKS_EXCLUDED(Locks::mutator_lock_) { 658 if (image_classes_.get() == NULL) { 659 return; 660 } 661 662 timings.NewSplit("LoadImageClasses"); 663 // Make a first class to load all classes explicitly listed in the file 664 Thread* self = Thread::Current(); 665 ScopedObjectAccess soa(self); 666 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 667 for (auto it = image_classes_->begin(), end = image_classes_->end(); it != end;) { 668 std::string descriptor(*it); 669 SirtRef<mirror::Class> klass(self, class_linker->FindSystemClass(descriptor.c_str())); 670 if (klass.get() == NULL) { 671 image_classes_->erase(it++); 672 LOG(WARNING) << "Failed to find class " << descriptor; 673 Thread::Current()->ClearException(); 674 } else { 675 ++it; 676 } 677 } 678 679 // Resolve exception classes referenced by the loaded classes. The catch logic assumes 680 // exceptions are resolved by the verifier when there is a catch block in an interested method. 681 // Do this here so that exception classes appear to have been specified image classes. 682 std::set<std::pair<uint16_t, const DexFile*> > unresolved_exception_types; 683 SirtRef<mirror::Class> java_lang_Throwable(self, 684 class_linker->FindSystemClass("Ljava/lang/Throwable;")); 685 do { 686 unresolved_exception_types.clear(); 687 class_linker->VisitClasses(ResolveCatchBlockExceptionsClassVisitor, 688 &unresolved_exception_types); 689 for (const std::pair<uint16_t, const DexFile*>& exception_type : unresolved_exception_types) { 690 uint16_t exception_type_idx = exception_type.first; 691 const DexFile* dex_file = exception_type.second; 692 mirror::DexCache* dex_cache = class_linker->FindDexCache(*dex_file); 693 mirror:: ClassLoader* class_loader = NULL; 694 SirtRef<mirror::Class> klass(self, class_linker->ResolveType(*dex_file, exception_type_idx, 695 dex_cache, class_loader)); 696 if (klass.get() == NULL) { 697 const DexFile::TypeId& type_id = dex_file->GetTypeId(exception_type_idx); 698 const char* descriptor = dex_file->GetTypeDescriptor(type_id); 699 LOG(FATAL) << "Failed to resolve class " << descriptor; 700 } 701 DCHECK(java_lang_Throwable->IsAssignableFrom(klass.get())); 702 } 703 // Resolving exceptions may load classes that reference more exceptions, iterate until no 704 // more are found 705 } while (!unresolved_exception_types.empty()); 706 707 // We walk the roots looking for classes so that we'll pick up the 708 // above classes plus any classes them depend on such super 709 // classes, interfaces, and the required ClassLinker roots. 710 class_linker->VisitClasses(RecordImageClassesVisitor, image_classes_.get()); 711 712 CHECK_NE(image_classes_->size(), 0U); 713} 714 715static void MaybeAddToImageClasses(mirror::Class* klass, CompilerDriver::DescriptorSet* image_classes) 716 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 717 while (!klass->IsObjectClass()) { 718 ClassHelper kh(klass); 719 const char* descriptor = kh.GetDescriptor(); 720 std::pair<CompilerDriver::DescriptorSet::iterator, bool> result = 721 image_classes->insert(descriptor); 722 if (result.second) { 723 VLOG(compiler) << "Adding " << descriptor << " to image classes"; 724 } else { 725 return; 726 } 727 for (size_t i = 0; i < kh.NumDirectInterfaces(); ++i) { 728 MaybeAddToImageClasses(kh.GetDirectInterface(i), image_classes); 729 } 730 if (klass->IsArrayClass()) { 731 MaybeAddToImageClasses(klass->GetComponentType(), image_classes); 732 } 733 klass = klass->GetSuperClass(); 734 } 735} 736 737void CompilerDriver::FindClinitImageClassesCallback(mirror::Object* object, void* arg) { 738 DCHECK(object != NULL); 739 DCHECK(arg != NULL); 740 CompilerDriver* compiler_driver = reinterpret_cast<CompilerDriver*>(arg); 741 MaybeAddToImageClasses(object->GetClass(), compiler_driver->image_classes_.get()); 742} 743 744void CompilerDriver::UpdateImageClasses(base::TimingLogger& timings) { 745 if (image_classes_.get() == NULL) { 746 return; 747 } 748 749 timings.NewSplit("UpdateImageClasses"); 750 751 // Update image_classes_ with classes for objects created by <clinit> methods. 752 Thread* self = Thread::Current(); 753 const char* old_cause = self->StartAssertNoThreadSuspension("ImageWriter"); 754 gc::Heap* heap = Runtime::Current()->GetHeap(); 755 // TODO: Image spaces only? 756 WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 757 heap->FlushAllocStack(); 758 heap->GetLiveBitmap()->Walk(FindClinitImageClassesCallback, this); 759 self->EndAssertNoThreadSuspension(old_cause); 760} 761 762void CompilerDriver::RecordClassStatus(ClassReference ref, CompiledClass* compiled_class) { 763 MutexLock mu(Thread::Current(), CompilerDriver::compiled_classes_lock_); 764 compiled_classes_.Put(ref, compiled_class); 765} 766 767bool CompilerDriver::CanAssumeTypeIsPresentInDexCache(const DexFile& dex_file, 768 uint32_t type_idx) { 769 if (IsImage() && IsImageClass(dex_file.GetTypeDescriptor(dex_file.GetTypeId(type_idx)))) { 770 if (kIsDebugBuild) { 771 ScopedObjectAccess soa(Thread::Current()); 772 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 773 mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 774 CHECK(resolved_class != NULL); 775 } 776 stats_->TypeInDexCache(); 777 return true; 778 } else { 779 stats_->TypeNotInDexCache(); 780 return false; 781 } 782} 783 784bool CompilerDriver::CanAssumeStringIsPresentInDexCache(const DexFile& dex_file, 785 uint32_t string_idx) { 786 // See also Compiler::ResolveDexFile 787 788 bool result = false; 789 if (IsImage()) { 790 // We resolve all const-string strings when building for the image. 791 ScopedObjectAccess soa(Thread::Current()); 792 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 793 Runtime::Current()->GetClassLinker()->ResolveString(dex_file, string_idx, dex_cache); 794 result = true; 795 } 796 if (result) { 797 stats_->StringInDexCache(); 798 } else { 799 stats_->StringNotInDexCache(); 800 } 801 return result; 802} 803 804bool CompilerDriver::CanAccessTypeWithoutChecks(uint32_t referrer_idx, const DexFile& dex_file, 805 uint32_t type_idx, 806 bool* type_known_final, bool* type_known_abstract, 807 bool* equals_referrers_class) { 808 if (type_known_final != NULL) { 809 *type_known_final = false; 810 } 811 if (type_known_abstract != NULL) { 812 *type_known_abstract = false; 813 } 814 if (equals_referrers_class != NULL) { 815 *equals_referrers_class = false; 816 } 817 ScopedObjectAccess soa(Thread::Current()); 818 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 819 // Get type from dex cache assuming it was populated by the verifier 820 mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 821 if (resolved_class == NULL) { 822 stats_->TypeNeedsAccessCheck(); 823 return false; // Unknown class needs access checks. 824 } 825 const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 826 if (equals_referrers_class != NULL) { 827 *equals_referrers_class = (method_id.class_idx_ == type_idx); 828 } 829 mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 830 if (referrer_class == NULL) { 831 stats_->TypeNeedsAccessCheck(); 832 return false; // Incomplete referrer knowledge needs access check. 833 } 834 // Perform access check, will return true if access is ok or false if we're going to have to 835 // check this at runtime (for example for class loaders). 836 bool result = referrer_class->CanAccess(resolved_class); 837 if (result) { 838 stats_->TypeDoesntNeedAccessCheck(); 839 if (type_known_final != NULL) { 840 *type_known_final = resolved_class->IsFinal() && !resolved_class->IsArrayClass(); 841 } 842 if (type_known_abstract != NULL) { 843 *type_known_abstract = resolved_class->IsAbstract() && !resolved_class->IsArrayClass(); 844 } 845 } else { 846 stats_->TypeNeedsAccessCheck(); 847 } 848 return result; 849} 850 851bool CompilerDriver::CanAccessInstantiableTypeWithoutChecks(uint32_t referrer_idx, 852 const DexFile& dex_file, 853 uint32_t type_idx) { 854 ScopedObjectAccess soa(Thread::Current()); 855 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 856 // Get type from dex cache assuming it was populated by the verifier. 857 mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 858 if (resolved_class == NULL) { 859 stats_->TypeNeedsAccessCheck(); 860 return false; // Unknown class needs access checks. 861 } 862 const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 863 mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 864 if (referrer_class == NULL) { 865 stats_->TypeNeedsAccessCheck(); 866 return false; // Incomplete referrer knowledge needs access check. 867 } 868 // Perform access and instantiable checks, will return true if access is ok or false if we're 869 // going to have to check this at runtime (for example for class loaders). 870 bool result = referrer_class->CanAccess(resolved_class) && resolved_class->IsInstantiable(); 871 if (result) { 872 stats_->TypeDoesntNeedAccessCheck(); 873 } else { 874 stats_->TypeNeedsAccessCheck(); 875 } 876 return result; 877} 878 879static mirror::Class* ComputeCompilingMethodsClass(ScopedObjectAccess& soa, 880 mirror::DexCache* dex_cache, 881 const DexCompilationUnit* mUnit) 882 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 883 // The passed dex_cache is a hint, sanity check before asking the class linker that will take a 884 // lock. 885 if (dex_cache->GetDexFile() != mUnit->GetDexFile()) { 886 dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 887 } 888 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 889 const DexFile::MethodId& referrer_method_id = mUnit->GetDexFile()->GetMethodId(mUnit->GetDexMethodIndex()); 890 return mUnit->GetClassLinker()->ResolveType(*mUnit->GetDexFile(), referrer_method_id.class_idx_, 891 dex_cache, class_loader); 892} 893 894static mirror::ArtField* ComputeFieldReferencedFromCompilingMethod(ScopedObjectAccess& soa, 895 const DexCompilationUnit* mUnit, 896 uint32_t field_idx) 897 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 898 mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 899 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 900 return mUnit->GetClassLinker()->ResolveField(*mUnit->GetDexFile(), field_idx, dex_cache, 901 class_loader, false); 902} 903 904static mirror::ArtMethod* ComputeMethodReferencedFromCompilingMethod(ScopedObjectAccess& soa, 905 const DexCompilationUnit* mUnit, 906 uint32_t method_idx, 907 InvokeType type) 908 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 909 mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 910 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 911 return mUnit->GetClassLinker()->ResolveMethod(*mUnit->GetDexFile(), method_idx, dex_cache, 912 class_loader, NULL, type); 913} 914 915bool CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 916 int& field_offset, bool& is_volatile, bool is_put) { 917 ScopedObjectAccess soa(Thread::Current()); 918 // Conservative defaults. 919 field_offset = -1; 920 is_volatile = true; 921 // Try to resolve field and ignore if an Incompatible Class Change Error (ie is static). 922 mirror::ArtField* resolved_field = ComputeFieldReferencedFromCompilingMethod(soa, mUnit, field_idx); 923 if (resolved_field != NULL && !resolved_field->IsStatic()) { 924 mirror::Class* referrer_class = 925 ComputeCompilingMethodsClass(soa, resolved_field->GetDeclaringClass()->GetDexCache(), 926 mUnit); 927 if (referrer_class != NULL) { 928 mirror::Class* fields_class = resolved_field->GetDeclaringClass(); 929 bool access_ok = referrer_class->CanAccess(fields_class) && 930 referrer_class->CanAccessMember(fields_class, 931 resolved_field->GetAccessFlags()); 932 if (!access_ok) { 933 // The referring class can't access the resolved field, this may occur as a result of a 934 // protected field being made public by a sub-class. Resort to the dex file to determine 935 // the correct class for the access check. 936 const DexFile& dex_file = *referrer_class->GetDexCache()->GetDexFile(); 937 mirror::Class* dex_fields_class = mUnit->GetClassLinker()->ResolveType(dex_file, 938 dex_file.GetFieldId(field_idx).class_idx_, 939 referrer_class); 940 access_ok = referrer_class->CanAccess(dex_fields_class) && 941 referrer_class->CanAccessMember(dex_fields_class, 942 resolved_field->GetAccessFlags()); 943 } 944 bool is_write_to_final_from_wrong_class = is_put && resolved_field->IsFinal() && 945 fields_class != referrer_class; 946 if (access_ok && !is_write_to_final_from_wrong_class) { 947 field_offset = resolved_field->GetOffset().Int32Value(); 948 is_volatile = resolved_field->IsVolatile(); 949 stats_->ResolvedInstanceField(); 950 return true; // Fast path. 951 } 952 } 953 } 954 // Clean up any exception left by field/type resolution 955 if (soa.Self()->IsExceptionPending()) { 956 soa.Self()->ClearException(); 957 } 958 stats_->UnresolvedInstanceField(); 959 return false; // Incomplete knowledge needs slow path. 960} 961 962bool CompilerDriver::ComputeStaticFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 963 int& field_offset, int& ssb_index, 964 bool& is_referrers_class, bool& is_volatile, 965 bool is_put) { 966 ScopedObjectAccess soa(Thread::Current()); 967 // Conservative defaults. 968 field_offset = -1; 969 ssb_index = -1; 970 is_referrers_class = false; 971 is_volatile = true; 972 // Try to resolve field and ignore if an Incompatible Class Change Error (ie isn't static). 973 mirror::ArtField* resolved_field = ComputeFieldReferencedFromCompilingMethod(soa, mUnit, field_idx); 974 if (resolved_field != NULL && resolved_field->IsStatic()) { 975 mirror::Class* referrer_class = 976 ComputeCompilingMethodsClass(soa, resolved_field->GetDeclaringClass()->GetDexCache(), 977 mUnit); 978 if (referrer_class != NULL) { 979 mirror::Class* fields_class = resolved_field->GetDeclaringClass(); 980 if (fields_class == referrer_class) { 981 is_referrers_class = true; // implies no worrying about class initialization 982 field_offset = resolved_field->GetOffset().Int32Value(); 983 is_volatile = resolved_field->IsVolatile(); 984 stats_->ResolvedLocalStaticField(); 985 return true; // fast path 986 } else { 987 bool access_ok = referrer_class->CanAccess(fields_class) && 988 referrer_class->CanAccessMember(fields_class, 989 resolved_field->GetAccessFlags()); 990 if (!access_ok) { 991 // The referring class can't access the resolved field, this may occur as a result of a 992 // protected field being made public by a sub-class. Resort to the dex file to determine 993 // the correct class for the access check. Don't change the field's class as that is 994 // used to identify the SSB. 995 const DexFile& dex_file = *referrer_class->GetDexCache()->GetDexFile(); 996 mirror::Class* dex_fields_class = 997 mUnit->GetClassLinker()->ResolveType(dex_file, 998 dex_file.GetFieldId(field_idx).class_idx_, 999 referrer_class); 1000 access_ok = referrer_class->CanAccess(dex_fields_class) && 1001 referrer_class->CanAccessMember(dex_fields_class, 1002 resolved_field->GetAccessFlags()); 1003 } 1004 bool is_write_to_final_from_wrong_class = is_put && resolved_field->IsFinal(); 1005 if (access_ok && !is_write_to_final_from_wrong_class) { 1006 // We have the resolved field, we must make it into a ssbIndex for the referrer 1007 // in its static storage base (which may fail if it doesn't have a slot for it) 1008 // TODO: for images we can elide the static storage base null check 1009 // if we know there's a non-null entry in the image 1010 mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 1011 if (fields_class->GetDexCache() == dex_cache) { 1012 // common case where the dex cache of both the referrer and the field are the same, 1013 // no need to search the dex file 1014 ssb_index = fields_class->GetDexTypeIndex(); 1015 field_offset = resolved_field->GetOffset().Int32Value(); 1016 is_volatile = resolved_field->IsVolatile(); 1017 stats_->ResolvedStaticField(); 1018 return true; 1019 } 1020 // Search dex file for localized ssb index, may fail if field's class is a parent 1021 // of the class mentioned in the dex file and there is no dex cache entry. 1022 const DexFile::StringId* string_id = 1023 mUnit->GetDexFile()->FindStringId(FieldHelper(resolved_field).GetDeclaringClassDescriptor()); 1024 if (string_id != NULL) { 1025 const DexFile::TypeId* type_id = 1026 mUnit->GetDexFile()->FindTypeId(mUnit->GetDexFile()->GetIndexForStringId(*string_id)); 1027 if (type_id != NULL) { 1028 // medium path, needs check of static storage base being initialized 1029 ssb_index = mUnit->GetDexFile()->GetIndexForTypeId(*type_id); 1030 field_offset = resolved_field->GetOffset().Int32Value(); 1031 is_volatile = resolved_field->IsVolatile(); 1032 stats_->ResolvedStaticField(); 1033 return true; 1034 } 1035 } 1036 } 1037 } 1038 } 1039 } 1040 // Clean up any exception left by field/type resolution 1041 if (soa.Self()->IsExceptionPending()) { 1042 soa.Self()->ClearException(); 1043 } 1044 stats_->UnresolvedStaticField(); 1045 return false; // Incomplete knowledge needs slow path. 1046} 1047 1048void CompilerDriver::GetCodeAndMethodForDirectCall(InvokeType type, InvokeType sharp_type, 1049 mirror::Class* referrer_class, 1050 mirror::ArtMethod* method, 1051 uintptr_t& direct_code, 1052 uintptr_t& direct_method, 1053 bool update_stats) { 1054 // For direct and static methods compute possible direct_code and direct_method values, ie 1055 // an address for the Method* being invoked and an address of the code for that Method*. 1056 // For interface calls compute a value for direct_method that is the interface method being 1057 // invoked, so this can be passed to the out-of-line runtime support code. 1058 direct_code = 0; 1059 direct_method = 0; 1060 if (compiler_backend_ == kPortable) { 1061 if (sharp_type != kStatic && sharp_type != kDirect) { 1062 return; 1063 } 1064 } else { 1065 if (sharp_type != kStatic && sharp_type != kDirect && sharp_type != kInterface) { 1066 return; 1067 } 1068 } 1069 bool method_code_in_boot = method->GetDeclaringClass()->GetClassLoader() == NULL; 1070 if (!method_code_in_boot) { 1071 return; 1072 } 1073 bool has_clinit_trampoline = method->IsStatic() && !method->GetDeclaringClass()->IsInitialized(); 1074 if (has_clinit_trampoline && (method->GetDeclaringClass() != referrer_class)) { 1075 // Ensure we run the clinit trampoline unless we are invoking a static method in the same class. 1076 return; 1077 } 1078 if (update_stats) { 1079 if (sharp_type != kInterface) { // Interfaces always go via a trampoline. 1080 stats_->DirectCallsToBoot(type); 1081 } 1082 stats_->DirectMethodsToBoot(type); 1083 } 1084 bool compiling_boot = Runtime::Current()->GetHeap()->GetContinuousSpaces().size() == 1; 1085 if (compiling_boot) { 1086 if (support_boot_image_fixup_) { 1087 MethodHelper mh(method); 1088 if (IsImageClass(mh.GetDeclaringClassDescriptor())) { 1089 // We can only branch directly to Methods that are resolved in the DexCache. 1090 // Otherwise we won't invoke the resolution trampoline. 1091 direct_method = -1; 1092 direct_code = -1; 1093 } 1094 } 1095 } else { 1096 if (Runtime::Current()->GetHeap()->FindSpaceFromObject(method, false)->IsImageSpace()) { 1097 direct_method = reinterpret_cast<uintptr_t>(method); 1098 } 1099 direct_code = reinterpret_cast<uintptr_t>(method->GetEntryPointFromCompiledCode()); 1100 } 1101} 1102 1103bool CompilerDriver::ComputeInvokeInfo(const DexCompilationUnit* mUnit, const uint32_t dex_pc, 1104 InvokeType& invoke_type, 1105 MethodReference& target_method, 1106 int& vtable_idx, 1107 uintptr_t& direct_code, uintptr_t& direct_method, 1108 bool update_stats) { 1109 ScopedObjectAccess soa(Thread::Current()); 1110 vtable_idx = -1; 1111 direct_code = 0; 1112 direct_method = 0; 1113 mirror::ArtMethod* resolved_method = 1114 ComputeMethodReferencedFromCompilingMethod(soa, mUnit, target_method.dex_method_index, 1115 invoke_type); 1116 if (resolved_method != NULL) { 1117 // Don't try to fast-path if we don't understand the caller's class or this appears to be an 1118 // Incompatible Class Change Error. 1119 mirror::Class* referrer_class = 1120 ComputeCompilingMethodsClass(soa, resolved_method->GetDeclaringClass()->GetDexCache(), 1121 mUnit); 1122 bool icce = resolved_method->CheckIncompatibleClassChange(invoke_type); 1123 if (referrer_class != NULL && !icce) { 1124 mirror::Class* methods_class = resolved_method->GetDeclaringClass(); 1125 if (!referrer_class->CanAccess(methods_class) || 1126 !referrer_class->CanAccessMember(methods_class, 1127 resolved_method->GetAccessFlags())) { 1128 // The referring class can't access the resolved method, this may occur as a result of a 1129 // protected method being made public by implementing an interface that re-declares the 1130 // method public. Resort to the dex file to determine the correct class for the access 1131 // check. 1132 uint16_t class_idx = 1133 target_method.dex_file->GetMethodId(target_method.dex_method_index).class_idx_; 1134 methods_class = mUnit->GetClassLinker()->ResolveType(*target_method.dex_file, 1135 class_idx, referrer_class); 1136 } 1137 if (referrer_class->CanAccess(methods_class) && 1138 referrer_class->CanAccessMember(methods_class, resolved_method->GetAccessFlags())) { 1139 const bool kEnableFinalBasedSharpening = true; 1140 // Sharpen a virtual call into a direct call when the target is known not to have been 1141 // overridden (ie is final). 1142 bool can_sharpen_virtual_based_on_type = 1143 (invoke_type == kVirtual) && (resolved_method->IsFinal() || methods_class->IsFinal()); 1144 // For invoke-super, ensure the vtable index will be correct to dispatch in the vtable of 1145 // the super class. 1146 bool can_sharpen_super_based_on_type = (invoke_type == kSuper) && 1147 (referrer_class != methods_class) && referrer_class->IsSubClass(methods_class) && 1148 resolved_method->GetMethodIndex() < methods_class->GetVTable()->GetLength() && 1149 (methods_class->GetVTable()->Get(resolved_method->GetMethodIndex()) == resolved_method); 1150 1151 if (kEnableFinalBasedSharpening && (can_sharpen_virtual_based_on_type || 1152 can_sharpen_super_based_on_type)) { 1153 // Sharpen a virtual call into a direct call. The method_idx is into referrer's 1154 // dex cache, check that this resolved method is where we expect it. 1155 CHECK(referrer_class->GetDexCache()->GetResolvedMethod(target_method.dex_method_index) == 1156 resolved_method) << PrettyMethod(resolved_method); 1157 if (update_stats) { 1158 stats_->ResolvedMethod(invoke_type); 1159 stats_->VirtualMadeDirect(invoke_type); 1160 } 1161 GetCodeAndMethodForDirectCall(invoke_type, kDirect, referrer_class, resolved_method, 1162 direct_code, direct_method, update_stats); 1163 invoke_type = kDirect; 1164 return true; 1165 } 1166 const bool kEnableVerifierBasedSharpening = true; 1167 if (kEnableVerifierBasedSharpening && (invoke_type == kVirtual || 1168 invoke_type == kInterface)) { 1169 // Did the verifier record a more precise invoke target based on its type information? 1170 const MethodReference caller_method(mUnit->GetDexFile(), mUnit->GetDexMethodIndex()); 1171 const MethodReference* devirt_map_target = 1172 verifier::MethodVerifier::GetDevirtMap(caller_method, dex_pc); 1173 if (devirt_map_target != NULL) { 1174 mirror::DexCache* target_dex_cache = 1175 mUnit->GetClassLinker()->FindDexCache(*devirt_map_target->dex_file); 1176 mirror::ClassLoader* class_loader = 1177 soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 1178 mirror::ArtMethod* called_method = 1179 mUnit->GetClassLinker()->ResolveMethod(*devirt_map_target->dex_file, 1180 devirt_map_target->dex_method_index, 1181 target_dex_cache, class_loader, NULL, 1182 kVirtual); 1183 CHECK(called_method != NULL); 1184 CHECK(!called_method->IsAbstract()); 1185 GetCodeAndMethodForDirectCall(invoke_type, kDirect, referrer_class, called_method, 1186 direct_code, direct_method, update_stats); 1187 bool compiler_needs_dex_cache = 1188 (GetCompilerBackend() == kPortable) || 1189 (GetCompilerBackend() == kQuick && instruction_set_ != kThumb2) || 1190 (direct_code == 0) || (direct_code == static_cast<unsigned int>(-1)) || 1191 (direct_method == 0) || (direct_method == static_cast<unsigned int>(-1)); 1192 if ((devirt_map_target->dex_file != target_method.dex_file) && 1193 compiler_needs_dex_cache) { 1194 // We need to use the dex cache to find either the method or code, and the dex file 1195 // containing the method isn't the one expected for the target method. Try to find 1196 // the method within the expected target dex file. 1197 // TODO: the -1 could be handled as direct code if the patching new the target dex 1198 // file. 1199 // TODO: quick only supports direct pointers with Thumb2. 1200 // TODO: the following should be factored into a common helper routine to find 1201 // one dex file's method within another. 1202 const DexFile* dexfile = target_method.dex_file; 1203 const DexFile* cm_dexfile = 1204 called_method->GetDeclaringClass()->GetDexCache()->GetDexFile(); 1205 const DexFile::MethodId& cm_method_id = 1206 cm_dexfile->GetMethodId(called_method->GetDexMethodIndex()); 1207 const char* cm_descriptor = cm_dexfile->StringByTypeIdx(cm_method_id.class_idx_); 1208 const DexFile::StringId* descriptor = dexfile->FindStringId(cm_descriptor); 1209 if (descriptor != NULL) { 1210 const DexFile::TypeId* type_id = 1211 dexfile->FindTypeId(dexfile->GetIndexForStringId(*descriptor)); 1212 if (type_id != NULL) { 1213 const char* cm_name = cm_dexfile->GetMethodName(cm_method_id); 1214 const DexFile::StringId* name = dexfile->FindStringId(cm_name); 1215 if (name != NULL) { 1216 uint16_t return_type_idx; 1217 std::vector<uint16_t> param_type_idxs; 1218 bool success = dexfile->CreateTypeList(&return_type_idx, ¶m_type_idxs, 1219 cm_dexfile->GetMethodSignature(cm_method_id)); 1220 if (success) { 1221 const DexFile::ProtoId* sig = 1222 dexfile->FindProtoId(return_type_idx, param_type_idxs); 1223 if (sig != NULL) { 1224 const DexFile::MethodId* method_id = dexfile->FindMethodId(*type_id, 1225 *name, *sig); 1226 if (method_id != NULL) { 1227 if (update_stats) { 1228 stats_->ResolvedMethod(invoke_type); 1229 stats_->VirtualMadeDirect(invoke_type); 1230 stats_->PreciseTypeDevirtualization(); 1231 } 1232 target_method.dex_method_index = dexfile->GetIndexForMethodId(*method_id); 1233 invoke_type = kDirect; 1234 return true; 1235 } 1236 } 1237 } 1238 } 1239 } 1240 } 1241 // TODO: the stats for direct code and method are off as we failed to find the direct 1242 // method in the referring method's dex cache/file. 1243 } else { 1244 if (update_stats) { 1245 stats_->ResolvedMethod(invoke_type); 1246 stats_->VirtualMadeDirect(invoke_type); 1247 stats_->PreciseTypeDevirtualization(); 1248 } 1249 target_method = *devirt_map_target; 1250 invoke_type = kDirect; 1251 return true; 1252 } 1253 } 1254 } 1255 if (invoke_type == kSuper) { 1256 // Unsharpened super calls are suspicious so go slow-path. 1257 } else { 1258 // Sharpening failed so generate a regular resolved method dispatch. 1259 if (update_stats) { 1260 stats_->ResolvedMethod(invoke_type); 1261 } 1262 if (invoke_type == kVirtual || invoke_type == kSuper) { 1263 vtable_idx = resolved_method->GetMethodIndex(); 1264 } 1265 GetCodeAndMethodForDirectCall(invoke_type, invoke_type, referrer_class, resolved_method, 1266 direct_code, direct_method, update_stats); 1267 return true; 1268 } 1269 } 1270 } 1271 } 1272 // Clean up any exception left by method/invoke_type resolution 1273 if (soa.Self()->IsExceptionPending()) { 1274 soa.Self()->ClearException(); 1275 } 1276 if (update_stats) { 1277 stats_->UnresolvedMethod(invoke_type); 1278 } 1279 return false; // Incomplete knowledge needs slow path. 1280} 1281 1282bool CompilerDriver::IsSafeCast(const MethodReference& mr, uint32_t dex_pc) { 1283 bool result = verifier::MethodVerifier::IsSafeCast(mr, dex_pc); 1284 if (result) { 1285 stats_->SafeCast(); 1286 } else { 1287 stats_->NotASafeCast(); 1288 } 1289 return result; 1290} 1291 1292 1293void CompilerDriver::AddCodePatch(const DexFile* dex_file, 1294 uint32_t referrer_method_idx, 1295 InvokeType referrer_invoke_type, 1296 uint32_t target_method_idx, 1297 InvokeType target_invoke_type, 1298 size_t literal_offset) { 1299 MutexLock mu(Thread::Current(), compiled_methods_lock_); 1300 code_to_patch_.push_back(new PatchInformation(dex_file, 1301 referrer_method_idx, 1302 referrer_invoke_type, 1303 target_method_idx, 1304 target_invoke_type, 1305 literal_offset)); 1306} 1307void CompilerDriver::AddMethodPatch(const DexFile* dex_file, 1308 uint32_t referrer_method_idx, 1309 InvokeType referrer_invoke_type, 1310 uint32_t target_method_idx, 1311 InvokeType target_invoke_type, 1312 size_t literal_offset) { 1313 MutexLock mu(Thread::Current(), compiled_methods_lock_); 1314 methods_to_patch_.push_back(new PatchInformation(dex_file, 1315 referrer_method_idx, 1316 referrer_invoke_type, 1317 target_method_idx, 1318 target_invoke_type, 1319 literal_offset)); 1320} 1321 1322class ParallelCompilationManager { 1323 public: 1324 typedef void Callback(const ParallelCompilationManager* manager, size_t index); 1325 1326 ParallelCompilationManager(ClassLinker* class_linker, 1327 jobject class_loader, 1328 CompilerDriver* compiler, 1329 const DexFile* dex_file, 1330 ThreadPool& thread_pool) 1331 : class_linker_(class_linker), 1332 class_loader_(class_loader), 1333 compiler_(compiler), 1334 dex_file_(dex_file), 1335 thread_pool_(&thread_pool) {} 1336 1337 ClassLinker* GetClassLinker() const { 1338 CHECK(class_linker_ != NULL); 1339 return class_linker_; 1340 } 1341 1342 jobject GetClassLoader() const { 1343 return class_loader_; 1344 } 1345 1346 CompilerDriver* GetCompiler() const { 1347 CHECK(compiler_ != NULL); 1348 return compiler_; 1349 } 1350 1351 const DexFile* GetDexFile() const { 1352 CHECK(dex_file_ != NULL); 1353 return dex_file_; 1354 } 1355 1356 void ForAll(size_t begin, size_t end, Callback callback, size_t work_units) { 1357 Thread* self = Thread::Current(); 1358 self->AssertNoPendingException(); 1359 CHECK_GT(work_units, 0U); 1360 1361 std::vector<ForAllClosure*> closures(work_units); 1362 for (size_t i = 0; i < work_units; ++i) { 1363 closures[i] = new ForAllClosure(this, begin + i, end, callback, work_units); 1364 thread_pool_->AddTask(self, closures[i]); 1365 } 1366 thread_pool_->StartWorkers(self); 1367 1368 // Ensure we're suspended while we're blocked waiting for the other threads to finish (worker 1369 // thread destructor's called below perform join). 1370 CHECK_NE(self->GetState(), kRunnable); 1371 1372 // Wait for all the worker threads to finish. 1373 thread_pool_->Wait(self, true, false); 1374 } 1375 1376 private: 1377 class ForAllClosure : public Task { 1378 public: 1379 ForAllClosure(ParallelCompilationManager* manager, size_t begin, size_t end, Callback* callback, 1380 size_t stripe) 1381 : manager_(manager), 1382 begin_(begin), 1383 end_(end), 1384 callback_(callback), 1385 stripe_(stripe) {} 1386 1387 virtual void Run(Thread* self) { 1388 for (size_t i = begin_; i < end_; i += stripe_) { 1389 callback_(manager_, i); 1390 self->AssertNoPendingException(); 1391 } 1392 } 1393 1394 virtual void Finalize() { 1395 delete this; 1396 } 1397 1398 private: 1399 const ParallelCompilationManager* const manager_; 1400 const size_t begin_; 1401 const size_t end_; 1402 const Callback* const callback_; 1403 const size_t stripe_; 1404 }; 1405 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 1413// Return true if the class should be skipped during compilation. We 1414// never skip classes in the boot class loader. However, if we have a 1415// non-boot class loader and we can resolve the class in the boot 1416// class loader, we do skip the class. This happens if an app bundles 1417// classes found in the boot classpath. Since at runtime we will 1418// select the class from the boot classpath, do not attempt to resolve 1419// or compile it now. 1420static bool SkipClass(mirror::ClassLoader* class_loader, 1421 const DexFile& dex_file, 1422 const DexFile::ClassDef& class_def) 1423 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1424 if (class_loader == NULL) { 1425 return false; 1426 } 1427 const char* descriptor = dex_file.GetClassDescriptor(class_def); 1428 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1429 mirror::Class* klass = class_linker->FindClass(descriptor, NULL); 1430 if (klass == NULL) { 1431 Thread* self = Thread::Current(); 1432 CHECK(self->IsExceptionPending()); 1433 self->ClearException(); 1434 return false; 1435 } 1436 return true; 1437} 1438 1439static void ResolveClassFieldsAndMethods(const ParallelCompilationManager* manager, size_t class_def_index) 1440 LOCKS_EXCLUDED(Locks::mutator_lock_) { 1441 ScopedObjectAccess soa(Thread::Current()); 1442 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()); 1443 const DexFile& dex_file = *manager->GetDexFile(); 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_loader, dex_file, class_def)) { 1454 return; 1455 } 1456 1457 // Note the class_data pointer advances through the headers, 1458 // static fields, instance fields, direct methods, and virtual 1459 // methods. 1460 const byte* class_data = dex_file.GetClassData(class_def); 1461 if (class_data == NULL) { 1462 // empty class such as a marker interface 1463 return; 1464 } 1465 Thread* self = Thread::Current(); 1466 ClassLinker* class_linker = manager->GetClassLinker(); 1467 mirror::DexCache* dex_cache = class_linker->FindDexCache(dex_file); 1468 ClassDataItemIterator it(dex_file, class_data); 1469 while (it.HasNextStaticField()) { 1470 mirror::ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), dex_cache, 1471 class_loader, true); 1472 if (field == NULL) { 1473 CHECK(self->IsExceptionPending()); 1474 self->ClearException(); 1475 } 1476 it.Next(); 1477 } 1478 // If an instance field is final then we need to have a barrier on the return, static final 1479 // fields are assigned within the lock held for class initialization. 1480 bool requires_constructor_barrier = false; 1481 while (it.HasNextInstanceField()) { 1482 if ((it.GetMemberAccessFlags() & kAccFinal) != 0) { 1483 requires_constructor_barrier = true; 1484 } 1485 1486 mirror::ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), dex_cache, 1487 class_loader, false); 1488 if (field == NULL) { 1489 CHECK(self->IsExceptionPending()); 1490 self->ClearException(); 1491 } 1492 it.Next(); 1493 } 1494 if (requires_constructor_barrier) { 1495 manager->GetCompiler()->AddRequiresConstructorBarrier(soa.Self(), manager->GetDexFile(), 1496 class_def_index); 1497 } 1498 while (it.HasNextDirectMethod()) { 1499 mirror::ArtMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 1500 dex_cache, class_loader, NULL, 1501 it.GetMethodInvokeType(class_def)); 1502 if (method == NULL) { 1503 CHECK(self->IsExceptionPending()); 1504 self->ClearException(); 1505 } 1506 it.Next(); 1507 } 1508 while (it.HasNextVirtualMethod()) { 1509 mirror::ArtMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 1510 dex_cache, class_loader, NULL, 1511 it.GetMethodInvokeType(class_def)); 1512 if (method == NULL) { 1513 CHECK(self->IsExceptionPending()); 1514 self->ClearException(); 1515 } 1516 it.Next(); 1517 } 1518 DCHECK(!it.HasNext()); 1519} 1520 1521static void ResolveType(const ParallelCompilationManager* manager, size_t type_idx) 1522 LOCKS_EXCLUDED(Locks::mutator_lock_) { 1523 // Class derived values are more complicated, they require the linker and loader. 1524 ScopedObjectAccess soa(Thread::Current()); 1525 ClassLinker* class_linker = manager->GetClassLinker(); 1526 const DexFile& dex_file = *manager->GetDexFile(); 1527 mirror::DexCache* dex_cache = class_linker->FindDexCache(dex_file); 1528 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()); 1529 mirror::Class* klass = class_linker->ResolveType(dex_file, type_idx, dex_cache, class_loader); 1530 1531 if (klass == NULL) { 1532 CHECK(soa.Self()->IsExceptionPending()); 1533 Thread::Current()->ClearException(); 1534 } 1535} 1536 1537void CompilerDriver::ResolveDexFile(jobject class_loader, const DexFile& dex_file, 1538 ThreadPool& thread_pool, base::TimingLogger& timings) { 1539 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1540 1541 // TODO: we could resolve strings here, although the string table is largely filled with class 1542 // and method names. 1543 1544 timings.NewSplit(strdup(("Resolve " + dex_file.GetLocation() + " Types").c_str())); 1545 ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool); 1546 context.ForAll(0, dex_file.NumTypeIds(), ResolveType, thread_count_); 1547 1548 timings.NewSplit(strdup(("Resolve " + dex_file.GetLocation() + " MethodsAndFields").c_str())); 1549 context.ForAll(0, dex_file.NumClassDefs(), ResolveClassFieldsAndMethods, thread_count_); 1550} 1551 1552void CompilerDriver::Verify(jobject class_loader, const std::vector<const DexFile*>& dex_files, 1553 ThreadPool& thread_pool, base::TimingLogger& timings) { 1554 for (size_t i = 0; i != dex_files.size(); ++i) { 1555 const DexFile* dex_file = dex_files[i]; 1556 CHECK(dex_file != NULL); 1557 VerifyDexFile(class_loader, *dex_file, thread_pool, timings); 1558 } 1559} 1560 1561static void VerifyClass(const ParallelCompilationManager* manager, size_t class_def_index) 1562 LOCKS_EXCLUDED(Locks::mutator_lock_) { 1563 ATRACE_CALL(); 1564 ScopedObjectAccess soa(Thread::Current()); 1565 const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index); 1566 const char* descriptor = manager->GetDexFile()->GetClassDescriptor(class_def); 1567 mirror::Class* klass = 1568 manager->GetClassLinker()->FindClass(descriptor, 1569 soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader())); 1570 if (klass == NULL) { CHECK(soa.Self()->IsExceptionPending()); 1571 soa.Self()->ClearException(); 1572 1573 /* 1574 * At compile time, we can still structurally verify the class even if FindClass fails. 1575 * This is to ensure the class is structurally sound for compilation. An unsound class 1576 * will be rejected by the verifier and later skipped during compilation in the compiler. 1577 */ 1578 mirror::DexCache* dex_cache = manager->GetClassLinker()->FindDexCache(*manager->GetDexFile()); 1579 std::string error_msg; 1580 if (verifier::MethodVerifier::VerifyClass(manager->GetDexFile(), 1581 dex_cache, 1582 soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()), 1583 class_def_index, error_msg, true) == 1584 verifier::MethodVerifier::kHardFailure) { 1585 const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index); 1586 LOG(ERROR) << "Verification failed on class " 1587 << PrettyDescriptor(manager->GetDexFile()->GetClassDescriptor(class_def)) 1588 << " because: " << error_msg; 1589 } 1590 return; 1591 } 1592 CHECK(klass->IsResolved()) << PrettyClass(klass); 1593 manager->GetClassLinker()->VerifyClass(klass); 1594 1595 if (klass->IsErroneous()) { 1596 // ClassLinker::VerifyClass throws, which isn't useful in the compiler. 1597 CHECK(soa.Self()->IsExceptionPending()); 1598 soa.Self()->ClearException(); 1599 } 1600 1601 1602 CHECK(klass->IsCompileTimeVerified() || klass->IsErroneous()) 1603 << PrettyDescriptor(klass) << ": state=" << klass->GetStatus(); 1604 soa.Self()->AssertNoPendingException(); 1605} 1606 1607void CompilerDriver::VerifyDexFile(jobject class_loader, const DexFile& dex_file, 1608 ThreadPool& thread_pool, base::TimingLogger& timings) { 1609 timings.NewSplit(strdup(("Verify " + dex_file.GetLocation()).c_str())); 1610 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1611 ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool); 1612 context.ForAll(0, dex_file.NumClassDefs(), VerifyClass, thread_count_); 1613} 1614 1615static const char* class_initializer_black_list[] = { 1616 "Landroid/app/ActivityThread;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1617 "Landroid/bluetooth/BluetoothAudioGateway;", // Calls android.bluetooth.BluetoothAudioGateway.classInitNative(). 1618 "Landroid/bluetooth/HeadsetBase;", // Calls android.bluetooth.HeadsetBase.classInitNative(). 1619 "Landroid/content/res/CompatibilityInfo;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1620 "Landroid/content/res/CompatibilityInfo$1;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1621 "Landroid/content/UriMatcher;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1622 "Landroid/database/CursorWindow;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1623 "Landroid/database/sqlite/SQLiteConnection;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1624 "Landroid/database/sqlite/SQLiteConnection$Operation;", // Requires SimpleDateFormat -> java.util.Locale. 1625 "Landroid/database/sqlite/SQLiteDatabaseConfiguration;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1626 "Landroid/database/sqlite/SQLiteDebug;", // Calls android.util.Log.isLoggable. 1627 "Landroid/database/sqlite/SQLiteOpenHelper;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex. 1628 "Landroid/database/sqlite/SQLiteQueryBuilder;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1629 "Landroid/drm/DrmManagerClient;", // Calls System.loadLibrary. 1630 "Landroid/graphics/drawable/AnimatedRotateDrawable;", // Sub-class of Drawable. 1631 "Landroid/graphics/drawable/AnimationDrawable;", // Sub-class of Drawable. 1632 "Landroid/graphics/drawable/BitmapDrawable;", // Sub-class of Drawable. 1633 "Landroid/graphics/drawable/ClipDrawable;", // Sub-class of Drawable. 1634 "Landroid/graphics/drawable/ColorDrawable;", // Sub-class of Drawable. 1635 "Landroid/graphics/drawable/Drawable;", // Requires android.graphics.Rect. 1636 "Landroid/graphics/drawable/DrawableContainer;", // Sub-class of Drawable. 1637 "Landroid/graphics/drawable/GradientDrawable;", // Sub-class of Drawable. 1638 "Landroid/graphics/drawable/LayerDrawable;", // Sub-class of Drawable. 1639 "Landroid/graphics/drawable/NinePatchDrawable;", // Sub-class of Drawable. 1640 "Landroid/graphics/drawable/RotateDrawable;", // Sub-class of Drawable. 1641 "Landroid/graphics/drawable/ScaleDrawable;", // Sub-class of Drawable. 1642 "Landroid/graphics/drawable/ShapeDrawable;", // Sub-class of Drawable. 1643 "Landroid/graphics/drawable/StateListDrawable;", // Sub-class of Drawable. 1644 "Landroid/graphics/drawable/TransitionDrawable;", // Sub-class of Drawable. 1645 "Landroid/graphics/Matrix;", // Calls android.graphics.Matrix.native_create. 1646 "Landroid/graphics/Matrix$1;", // Requires Matrix. 1647 "Landroid/graphics/PixelFormat;", // Calls android.graphics.PixelFormat.nativeClassInit(). 1648 "Landroid/graphics/Rect;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1649 "Landroid/graphics/SurfaceTexture;", // Calls android.graphics.SurfaceTexture.nativeClassInit(). 1650 "Landroid/graphics/Typeface;", // Calls android.graphics.Typeface.nativeCreate. 1651 "Landroid/inputmethodservice/ExtractEditText;", // Requires android.widget.TextView. 1652 "Landroid/media/AmrInputStream;", // Calls OsConstants.initConstants. 1653 "Landroid/media/CamcorderProfile;", // Calls OsConstants.initConstants. 1654 "Landroid/media/CameraProfile;", // Calls System.loadLibrary. 1655 "Landroid/media/DecoderCapabilities;", // Calls System.loadLibrary. 1656 "Landroid/media/EncoderCapabilities;", // Calls OsConstants.initConstants. 1657 "Landroid/media/ExifInterface;", // Calls OsConstants.initConstants. 1658 "Landroid/media/MediaCodec;", // Calls OsConstants.initConstants. 1659 "Landroid/media/MediaCodecList;", // Calls OsConstants.initConstants. 1660 "Landroid/media/MediaCrypto;", // Calls OsConstants.initConstants. 1661 "Landroid/media/MediaDrm;", // Calls OsConstants.initConstants. 1662 "Landroid/media/MediaExtractor;", // Calls OsConstants.initConstants. 1663 "Landroid/media/MediaFile;", // Requires DecoderCapabilities. 1664 "Landroid/media/MediaMetadataRetriever;", // Calls OsConstants.initConstants. 1665 "Landroid/media/MediaMuxer;", // Calls OsConstants.initConstants. 1666 "Landroid/media/MediaPlayer;", // Calls System.loadLibrary. 1667 "Landroid/media/MediaRecorder;", // Calls System.loadLibrary. 1668 "Landroid/media/MediaScanner;", // Calls System.loadLibrary. 1669 "Landroid/media/ResampleInputStream;", // Calls OsConstants.initConstants. 1670 "Landroid/media/SoundPool;", // Calls OsConstants.initConstants. 1671 "Landroid/media/videoeditor/MediaArtistNativeHelper;", // Calls OsConstants.initConstants. 1672 "Landroid/media/videoeditor/VideoEditorProfile;", // Calls OsConstants.initConstants. 1673 "Landroid/mtp/MtpDatabase;", // Calls OsConstants.initConstants. 1674 "Landroid/mtp/MtpDevice;", // Calls OsConstants.initConstants. 1675 "Landroid/mtp/MtpServer;", // Calls OsConstants.initConstants. 1676 "Landroid/net/NetworkInfo;", // Calls java.util.EnumMap.<init> -> java.lang.Enum.getSharedConstants -> System.identityHashCode. 1677 "Landroid/net/Proxy;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1678 "Landroid/net/SSLCertificateSocketFactory;", // Requires javax.net.ssl.HttpsURLConnection. 1679 "Landroid/net/Uri;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex. 1680 "Landroid/net/Uri$AbstractHierarchicalUri;", // Requires Uri. 1681 "Landroid/net/Uri$HierarchicalUri;", // Requires Uri. 1682 "Landroid/net/Uri$OpaqueUri;", // Requires Uri. 1683 "Landroid/net/Uri$StringUri;", // Requires Uri. 1684 "Landroid/net/WebAddress;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1685 "Landroid/nfc/NdefRecord;", // Calls String.getBytes -> java.nio.charset.Charset. 1686 "Landroid/opengl/EGL14;", // Calls android.opengl.EGL14._nativeClassInit. 1687 "Landroid/opengl/GLES10;", // Calls android.opengl.GLES10._nativeClassInit. 1688 "Landroid/opengl/GLES10Ext;", // Calls android.opengl.GLES10Ext._nativeClassInit. 1689 "Landroid/opengl/GLES11;", // Requires GLES10. 1690 "Landroid/opengl/GLES11Ext;", // Calls android.opengl.GLES11Ext._nativeClassInit. 1691 "Landroid/opengl/GLES20;", // Calls android.opengl.GLES20._nativeClassInit. 1692 "Landroid/opengl/GLUtils;", // Calls android.opengl.GLUtils.nativeClassInit. 1693 "Landroid/os/Build;", // Calls -..-> android.os.SystemProperties.native_get. 1694 "Landroid/os/Build$VERSION;", // Requires Build. 1695 "Landroid/os/Debug;", // Requires android.os.Environment. 1696 "Landroid/os/Environment;", // Calls System.getenv. 1697 "Landroid/os/FileUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1698 "Landroid/os/StrictMode;", // Calls android.util.Log.isLoggable. 1699 "Landroid/os/StrictMode$VmPolicy;", // Requires StrictMode. 1700 "Landroid/os/Trace;", // Calls android.os.Trace.nativeGetEnabledTags. 1701 "Landroid/os/UEventObserver;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex. 1702 "Landroid/provider/ContactsContract;", // Calls OsConstants.initConstants. 1703 "Landroid/provider/Settings$Global;", // Calls OsConstants.initConstants. 1704 "Landroid/provider/Settings$Secure;", // Requires android.net.Uri. 1705 "Landroid/provider/Settings$System;", // Requires android.net.Uri. 1706 "Landroid/renderscript/RenderScript;", // Calls System.loadLibrary. 1707 "Landroid/server/BluetoothService;", // Calls android.server.BluetoothService.classInitNative. 1708 "Landroid/server/BluetoothEventLoop;", // Calls android.server.BluetoothEventLoop.classInitNative. 1709 "Landroid/telephony/PhoneNumberUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1710 "Landroid/telephony/TelephonyManager;", // Calls OsConstants.initConstants. 1711 "Landroid/text/AutoText;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1712 "Landroid/text/Layout;", // Calls com.android.internal.util.ArrayUtils.emptyArray -> System.identityHashCode. 1713 "Landroid/text/BoringLayout;", // Requires Layout. 1714 "Landroid/text/DynamicLayout;", // Requires Layout. 1715 "Landroid/text/Html$HtmlParser;", // Calls -..-> String.toLowerCase -> java.util.Locale. 1716 "Landroid/text/StaticLayout;", // Requires Layout. 1717 "Landroid/text/TextUtils;", // Requires android.util.DisplayMetrics. 1718 "Landroid/util/DisplayMetrics;", // Calls SystemProperties.native_get_int. 1719 "Landroid/util/Patterns;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1720 "Landroid/view/Choreographer;", // Calls SystemProperties.native_get_boolean. 1721 "Landroid/util/Patterns;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1722 "Landroid/view/GLES20Canvas;", // Calls GLES20Canvas.nIsAvailable(). 1723 "Landroid/view/GLES20RecordingCanvas;", // Requires android.view.GLES20Canvas. 1724 "Landroid/view/GestureDetector;", // Calls android.view.GLES20Canvas.nIsAvailable. 1725 "Landroid/view/HardwareRenderer$Gl20Renderer;", // Requires SystemProperties.native_get. 1726 "Landroid/view/HardwareRenderer$GlRenderer;", // Requires SystemProperties.native_get. 1727 "Landroid/view/InputEventConsistencyVerifier;", // Requires android.os.Build. 1728 "Landroid/view/Surface;", // Requires SystemProperties.native_get. 1729 "Landroid/view/SurfaceControl;", // Calls OsConstants.initConstants. 1730 "Landroid/view/animation/AlphaAnimation;", // Requires Animation. 1731 "Landroid/view/animation/Animation;", // Calls SystemProperties.native_get_boolean. 1732 "Landroid/view/animation/AnimationSet;", // Calls OsConstants.initConstants. 1733 "Landroid/view/textservice/SpellCheckerSubtype;", // Calls Class.getDex(). 1734 "Landroid/webkit/JniUtil;", // Calls System.loadLibrary. 1735 "Landroid/webkit/PluginManager;", // // Calls OsConstants.initConstants. 1736 "Landroid/webkit/WebViewCore;", // Calls System.loadLibrary. 1737 "Landroid/webkit/WebViewFactory$Preloader;", // Calls to Class.forName. 1738 "Landroid/webkit/WebViewInputDispatcher;", // Calls Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1739 "Landroid/webkit/URLUtil;", // Calls Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1740 "Landroid/widget/AutoCompleteTextView;", // Requires TextView. 1741 "Landroid/widget/Button;", // Requires TextView. 1742 "Landroid/widget/CheckBox;", // Requires TextView. 1743 "Landroid/widget/CheckedTextView;", // Requires TextView. 1744 "Landroid/widget/CompoundButton;", // Requires TextView. 1745 "Landroid/widget/EditText;", // Requires TextView. 1746 "Landroid/widget/NumberPicker;", // Requires java.util.Locale. 1747 "Landroid/widget/ScrollBarDrawable;", // Sub-class of Drawable. 1748 "Landroid/widget/SearchView$SearchAutoComplete;", // Requires TextView. 1749 "Landroid/widget/Switch;", // Requires TextView. 1750 "Landroid/widget/TextView;", // Calls Paint.<init> -> Paint.native_init. 1751 "Lcom/android/i18n/phonenumbers/AsYouTypeFormatter;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1752 "Lcom/android/i18n/phonenumbers/MetadataManager;", // Calls OsConstants.initConstants. 1753 "Lcom/android/i18n/phonenumbers/PhoneNumberMatcher;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1754 "Lcom/android/i18n/phonenumbers/PhoneNumberUtil;", // Requires java.util.logging.LogManager. 1755 "Lcom/android/i18n/phonenumbers/geocoding/AreaCodeMap;", // Calls OsConstants.initConstants. 1756 "Lcom/android/i18n/phonenumbers/geocoding/PhoneNumberOfflineGeocoder;", // Calls OsConstants.initConstants. 1757 "Lcom/android/internal/os/SamplingProfilerIntegration;", // Calls SystemProperties.native_get_int. 1758 "Lcom/android/internal/policy/impl/PhoneWindow;", // Calls android.os.Binder.init. 1759 "Lcom/android/internal/view/menu/ActionMenuItemView;", // Requires TextView. 1760 "Lcom/android/internal/widget/DialogTitle;", // Requires TextView. 1761 "Lcom/android/org/bouncycastle/asn1/StreamUtil;", // Calls Runtime.getRuntime().maxMemory(). 1762 "Lcom/android/org/bouncycastle/asn1/pkcs/MacData;", // Calls native ... -> java.math.NativeBN.BN_new(). 1763 "Lcom/android/org/bouncycastle/asn1/pkcs/RSASSAPSSparams;", // Calls native ... -> java.math.NativeBN.BN_new(). 1764 "Lcom/android/org/bouncycastle/asn1/cms/SignedData;", // Calls native ... -> java.math.NativeBN.BN_new(). 1765 "Lcom/android/org/bouncycastle/asn1/x509/GeneralSubtree;", // Calls native ... -> java.math.NativeBN.BN_new(). 1766 "Lcom/android/org/bouncycastle/asn1/x9/X9ECParameters;", // Calls native ... -> java.math.NativeBN.BN_new(). 1767 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$MD5;", // Requires com.android.org.conscrypt.NativeCrypto. 1768 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA1;", // Requires com.android.org.conscrypt.NativeCrypto. 1769 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA256;", // Requires com.android.org.conscrypt.NativeCrypto. 1770 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA384;", // Requires com.android.org.conscrypt.NativeCrypto. 1771 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA512;", // Requires com.android.org.conscrypt.NativeCrypto. 1772 "Lcom/android/org/bouncycastle/crypto/engines/RSABlindedEngine;", // Calls native ... -> java.math.NativeBN.BN_new(). 1773 "Lcom/android/org/bouncycastle/crypto/generators/DHKeyGeneratorHelper;", // Calls native ... -> java.math.NativeBN.BN_new(). 1774 "Lcom/android/org/bouncycastle/crypto/generators/DHParametersGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1775 "Lcom/android/org/bouncycastle/crypto/generators/DHParametersHelper;", // Calls System.getenv -> OsConstants.initConstants. 1776 "Lcom/android/org/bouncycastle/crypto/generators/DSAKeyPairGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1777 "Lcom/android/org/bouncycastle/crypto/generators/DSAParametersGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1778 "Lcom/android/org/bouncycastle/crypto/generators/RSAKeyPairGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1779 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/dh/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1780 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/dsa/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1781 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$EC;", // Calls OsConstants.initConstants. 1782 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDH;", // Calls OsConstants.initConstants. 1783 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDHC;", // Calls OsConstants.initConstants. 1784 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDSA;", // Calls OsConstants.initConstants. 1785 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECMQV;", // Calls OsConstants.initConstants. 1786 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1787 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/BCRSAPrivateCrtKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1788 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/BCRSAPrivateKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1789 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1790 "Lcom/android/org/bouncycastle/jcajce/provider/keystore/pkcs12/PKCS12KeyStoreSpi$BCPKCS12KeyStore;", // Calls Thread.currentThread. 1791 "Lcom/android/org/bouncycastle/jcajce/provider/keystore/pkcs12/PKCS12KeyStoreSpi;", // Calls Thread.currentThread. 1792 "Lcom/android/org/bouncycastle/jce/PKCS10CertificationRequest;", // Calls native ... -> java.math.NativeBN.BN_new(). 1793 "Lcom/android/org/bouncycastle/jce/provider/CertBlacklist;", // Calls System.getenv -> OsConstants.initConstants. 1794 "Lcom/android/org/bouncycastle/jce/provider/JCERSAPrivateCrtKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1795 "Lcom/android/org/bouncycastle/jce/provider/JCERSAPrivateKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1796 "Lcom/android/org/bouncycastle/jce/provider/PKIXCertPathValidatorSpi;", // Calls System.getenv -> OsConstants.initConstants. 1797 "Lcom/android/org/bouncycastle/math/ec/ECConstants;", // Calls native ... -> java.math.NativeBN.BN_new(). 1798 "Lcom/android/org/bouncycastle/math/ec/Tnaf;", // Calls native ... -> java.math.NativeBN.BN_new(). 1799 "Lcom/android/org/bouncycastle/util/BigIntegers;", // Calls native ... -> java.math.NativeBN.BN_new(). 1800 "Lcom/android/org/bouncycastle/x509/X509Util;", // Calls native ... -> java.math.NativeBN.BN_new(). 1801 "Lcom/android/org/conscrypt/CipherSuite;", // Calls OsConstants.initConstants. 1802 "Lcom/android/org/conscrypt/FileClientSessionCache$CacheFile;", // Calls OsConstants.initConstants. 1803 "Lcom/android/org/conscrypt/HandshakeIODataStream;", // Calls OsConstants.initConstants. 1804 "Lcom/android/org/conscrypt/Logger;", // Calls OsConstants.initConstants. 1805 "Lcom/android/org/conscrypt/NativeCrypto;", // Calls native NativeCrypto.clinit(). 1806 "Lcom/android/org/conscrypt/OpenSSLECKeyPairGenerator;", // Calls OsConstants.initConstants. 1807 "Lcom/android/org/conscrypt/OpenSSLEngine;", // Requires com.android.org.conscrypt.NativeCrypto. 1808 "Lcom/android/org/conscrypt/OpenSSLMac$HmacMD5;", // Calls native NativeCrypto.clinit(). 1809 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA1;", // Calls native NativeCrypto.clinit(). 1810 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA256;", // Calls native NativeCrypto.clinit(). 1811 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA384;", // Calls native NativeCrypto.clinit(). 1812 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA512;", // Calls native NativeCrypto.clinit(). 1813 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$MD5;", // Requires com.android.org.conscrypt.NativeCrypto. 1814 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA1;", // Requires com.android.org.conscrypt.NativeCrypto. 1815 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA256;", // Requires com.android.org.conscrypt.NativeCrypto. 1816 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA384;", // Requires com.android.org.conscrypt.NativeCrypto. 1817 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA512;", // Requires com.android.org.conscrypt.NativeCrypto. 1818 "Lcom/android/org/conscrypt/OpenSSLX509CertPath;", // Calls OsConstants.initConstants. 1819 "Lcom/android/org/conscrypt/OpenSSLX509CertificateFactory;", // Calls OsConstants.initConstants. 1820 "Lcom/android/org/conscrypt/PRF;", // Calls OsConstants.initConstants. 1821 "Lcom/android/org/conscrypt/SSLSessionImpl;", // Calls OsConstants.initConstants. 1822 "Lcom/android/org/conscrypt/TrustedCertificateStore;", // Calls System.getenv -> OsConstants.initConstants. 1823 "Lcom/android/okhttp/ConnectionPool;", // Calls OsConstants.initConstants. 1824 "Lcom/android/okhttp/OkHttpClient;", // Calls OsConstants.initConstants. 1825 "Lcom/android/okhttp/internal/DiskLruCache;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1826 "Lcom/android/okhttp/internal/Util;", // Calls OsConstants.initConstants. 1827 "Lcom/android/okhttp/internal/http/HttpsURLConnectionImpl;", // Calls VMClassLoader.getBootClassPathSize. 1828 "Lcom/android/okhttp/internal/spdy/SpdyConnection;", // Calls OsConstants.initConstants. 1829 "Lcom/android/okhttp/internal/spdy/SpdyReader;", // Calls OsConstants.initConstants. 1830 "Lcom/android/okhttp/internal/tls/OkHostnameVerifier;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1831 "Lcom/google/android/gles_jni/EGLContextImpl;", // Calls com.google.android.gles_jni.EGLImpl._nativeClassInit. 1832 "Lcom/google/android/gles_jni/EGLImpl;", // Calls com.google.android.gles_jni.EGLImpl._nativeClassInit. 1833 "Lcom/google/android/gles_jni/GLImpl;", // Calls com.google.android.gles_jni.GLImpl._nativeClassInit. 1834 "Lgov/nist/core/GenericObject;", // Calls OsConstants.initConstants. 1835 "Lgov/nist/core/Host;", // Calls OsConstants.initConstants. 1836 "Lgov/nist/core/HostPort;", // Calls OsConstants.initConstants. 1837 "Lgov/nist/core/NameValue;", // Calls OsConstants.initConstants. 1838 "Lgov/nist/core/net/DefaultNetworkLayer;", // Calls OsConstants.initConstants. 1839 "Lgov/nist/javax/sip/Utils;", // Calls OsConstants.initConstants. 1840 "Lgov/nist/javax/sip/address/AddressImpl;", // Calls OsConstants.initConstants. 1841 "Lgov/nist/javax/sip/address/Authority;", // Calls OsConstants.initConstants. 1842 "Lgov/nist/javax/sip/address/GenericURI;", // Calls OsConstants.initConstants. 1843 "Lgov/nist/javax/sip/address/NetObject;", // Calls OsConstants.initConstants. 1844 "Lgov/nist/javax/sip/address/SipUri;", // Calls OsConstants.initConstants. 1845 "Lgov/nist/javax/sip/address/TelephoneNumber;", // Calls OsConstants.initConstants. 1846 "Lgov/nist/javax/sip/address/UserInfo;", // Calls OsConstants.initConstants. 1847 "Lgov/nist/javax/sip/header/Accept;", // Calls OsConstants.initConstants. 1848 "Lgov/nist/javax/sip/header/AcceptEncoding;", // Calls OsConstants.initConstants. 1849 "Lgov/nist/javax/sip/header/AcceptLanguage;", // Calls OsConstants.initConstants. 1850 "Lgov/nist/javax/sip/header/AddressParametersHeader;", // Calls OsConstants.initConstants. 1851 "Lgov/nist/javax/sip/header/AlertInfoList;", // Calls OsConstants.initConstants. 1852 "Lgov/nist/javax/sip/header/AllowEvents;", // Calls OsConstants.initConstants. 1853 "Lgov/nist/javax/sip/header/AllowEventsList;", // Calls OsConstants.initConstants. 1854 "Lgov/nist/javax/sip/header/AuthenticationInfo;", // Calls OsConstants.initConstants. 1855 "Lgov/nist/javax/sip/header/Authorization;", // Calls OsConstants.initConstants. 1856 "Lgov/nist/javax/sip/header/CSeq;", // Calls OsConstants.initConstants. 1857 "Lgov/nist/javax/sip/header/CallIdentifier;", // Calls OsConstants.initConstants. 1858 "Lgov/nist/javax/sip/header/Challenge;", // Calls OsConstants.initConstants. 1859 "Lgov/nist/javax/sip/header/ContactList;", // Calls OsConstants.initConstants. 1860 "Lgov/nist/javax/sip/header/ContentEncoding;", // Calls OsConstants.initConstants. 1861 "Lgov/nist/javax/sip/header/ContentEncodingList;", // Calls OsConstants.initConstants. 1862 "Lgov/nist/javax/sip/header/ContentLanguageList;", // Calls OsConstants.initConstants. 1863 "Lgov/nist/javax/sip/header/ContentType;", // Calls OsConstants.initConstants. 1864 "Lgov/nist/javax/sip/header/Credentials;", // Calls OsConstants.initConstants. 1865 "Lgov/nist/javax/sip/header/ErrorInfoList;", // Calls OsConstants.initConstants. 1866 "Lgov/nist/javax/sip/header/Expires;", // Calls OsConstants.initConstants. 1867 "Lgov/nist/javax/sip/header/From;", // Calls OsConstants.initConstants. 1868 "Lgov/nist/javax/sip/header/MimeVersion;", // Calls OsConstants.initConstants. 1869 "Lgov/nist/javax/sip/header/NameMap;", // Calls OsConstants.initConstants. 1870 "Lgov/nist/javax/sip/header/Priority;", // Calls OsConstants.initConstants. 1871 "Lgov/nist/javax/sip/header/Protocol;", // Calls OsConstants.initConstants. 1872 "Lgov/nist/javax/sip/header/ProxyAuthenticate;", // Calls OsConstants.initConstants. 1873 "Lgov/nist/javax/sip/header/ProxyAuthenticateList;", // Calls OsConstants.initConstants. 1874 "Lgov/nist/javax/sip/header/ProxyAuthorizationList;", // Calls OsConstants.initConstants. 1875 "Lgov/nist/javax/sip/header/ProxyRequire;", // Calls OsConstants.initConstants. 1876 "Lgov/nist/javax/sip/header/ProxyRequireList;", // Calls OsConstants.initConstants. 1877 "Lgov/nist/javax/sip/header/RSeq;", // Calls OsConstants.initConstants. 1878 "Lgov/nist/javax/sip/header/RecordRoute;", // Calls OsConstants.initConstants. 1879 "Lgov/nist/javax/sip/header/ReferTo;", // Calls OsConstants.initConstants. 1880 "Lgov/nist/javax/sip/header/RequestLine;", // Calls OsConstants.initConstants. 1881 "Lgov/nist/javax/sip/header/Require;", // Calls OsConstants.initConstants. 1882 "Lgov/nist/javax/sip/header/RetryAfter;", // Calls OsConstants.initConstants. 1883 "Lgov/nist/javax/sip/header/SIPETag;", // Calls OsConstants.initConstants. 1884 "Lgov/nist/javax/sip/header/SIPHeader;", // Calls OsConstants.initConstants. 1885 "Lgov/nist/javax/sip/header/SIPHeaderNamesCache;", // Calls OsConstants.initConstants. 1886 "Lgov/nist/javax/sip/header/StatusLine;", // Calls OsConstants.initConstants. 1887 "Lgov/nist/javax/sip/header/SubscriptionState;", // Calls OsConstants.initConstants. 1888 "Lgov/nist/javax/sip/header/TimeStamp;", // Calls OsConstants.initConstants. 1889 "Lgov/nist/javax/sip/header/UserAgent;", // Calls OsConstants.initConstants. 1890 "Lgov/nist/javax/sip/header/Unsupported;", // Calls OsConstants.initConstants. 1891 "Lgov/nist/javax/sip/header/Warning;", // Calls OsConstants.initConstants. 1892 "Lgov/nist/javax/sip/header/ViaList;", // Calls OsConstants.initConstants. 1893 "Lgov/nist/javax/sip/header/extensions/Join;", // Calls OsConstants.initConstants. 1894 "Lgov/nist/javax/sip/header/extensions/References;", // Calls OsConstants.initConstants. 1895 "Lgov/nist/javax/sip/header/extensions/Replaces;", // Calls OsConstants.initConstants. 1896 "Lgov/nist/javax/sip/header/ims/PAccessNetworkInfo;", // Calls OsConstants.initConstants. 1897 "Lgov/nist/javax/sip/header/ims/PAssertedIdentity;", // Calls OsConstants.initConstants. 1898 "Lgov/nist/javax/sip/header/ims/PAssertedIdentityList;", // Calls OsConstants.initConstants. 1899 "Lgov/nist/javax/sip/header/ims/PAssociatedURI;", // Calls OsConstants.initConstants. 1900 "Lgov/nist/javax/sip/header/ims/PCalledPartyID;", // Calls OsConstants.initConstants. 1901 "Lgov/nist/javax/sip/header/ims/PChargingVector;", // Calls OsConstants.initConstants. 1902 "Lgov/nist/javax/sip/header/ims/PPreferredIdentity;", // Calls OsConstants.initConstants. 1903 "Lgov/nist/javax/sip/header/ims/PVisitedNetworkIDList;", // Calls OsConstants.initConstants. 1904 "Lgov/nist/javax/sip/header/ims/PathList;", // Calls OsConstants.initConstants. 1905 "Lgov/nist/javax/sip/header/ims/SecurityAgree;", // Calls OsConstants.initConstants. 1906 "Lgov/nist/javax/sip/header/ims/SecurityClient;", // Calls OsConstants.initConstants. 1907 "Lgov/nist/javax/sip/header/ims/ServiceRoute;", // Calls OsConstants.initConstants. 1908 "Ljava/io/Console;", // Has FileDescriptor(s). 1909 "Ljava/io/File;", // Calls to Random.<init> -> System.currentTimeMillis -> OsConstants.initConstants. 1910 "Ljava/io/FileDescriptor;", // Requires libcore.io.OsConstants. 1911 "Ljava/io/ObjectInputStream;", // Requires java.lang.ClassLoader$SystemClassLoader. 1912 "Ljava/io/ObjectStreamClass;", // Calls to Class.forName -> java.io.FileDescriptor. 1913 "Ljava/io/ObjectStreamConstants;", // Instance of non-image class SerializablePermission. 1914 "Ljava/lang/ClassLoader$SystemClassLoader;", // Calls System.getProperty -> OsConstants.initConstants. 1915 "Ljava/lang/HexStringParser;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1916 "Ljava/lang/ProcessManager;", // Calls Thread.currentThread. 1917 "Ljava/lang/Runtime;", // Calls System.getProperty -> OsConstants.initConstants. 1918 "Ljava/lang/System;", // Calls OsConstants.initConstants. 1919 "Ljava/math/BigDecimal;", // Calls native ... -> java.math.NativeBN.BN_new(). 1920 "Ljava/math/BigInteger;", // Calls native ... -> java.math.NativeBN.BN_new(). 1921 "Ljava/math/Primality;", // Calls native ... -> java.math.NativeBN.BN_new(). 1922 "Ljava/math/Multiplication;", // Calls native ... -> java.math.NativeBN.BN_new(). 1923 "Ljava/net/InetAddress;", // Requires libcore.io.OsConstants. 1924 "Ljava/net/Inet4Address;", // Sub-class of InetAddress. 1925 "Ljava/net/Inet6Address;", // Sub-class of InetAddress. 1926 "Ljava/net/InetUnixAddress;", // Sub-class of InetAddress. 1927 "Ljava/nio/charset/Charset;", // Calls Charset.getDefaultCharset -> System.getProperty -> OsConstants.initConstants. 1928 "Ljava/nio/charset/CharsetICU;", // Sub-class of Charset. 1929 "Ljava/nio/charset/Charsets;", // Calls Charset.forName. 1930 "Ljava/nio/charset/StandardCharsets;", // Calls OsConstants.initConstants. 1931 "Ljava/security/AlgorithmParameterGenerator;", // Calls OsConstants.initConstants. 1932 "Ljava/security/KeyPairGenerator$KeyPairGeneratorImpl;", // Calls OsConstants.initConstants. 1933 "Ljava/security/KeyPairGenerator;", // Calls OsConstants.initConstants. 1934 "Ljava/security/Security;", // Tries to do disk IO for "security.properties". 1935 "Ljava/security/spec/RSAKeyGenParameterSpec;", // java.math.NativeBN.BN_new() 1936 "Ljava/sql/Date;", // Calls OsConstants.initConstants. 1937 "Ljava/sql/DriverManager;", // Calls OsConstants.initConstants. 1938 "Ljava/sql/Time;", // Calls OsConstants.initConstants. 1939 "Ljava/sql/Timestamp;", // Calls OsConstants.initConstants. 1940 "Ljava/util/Date;", // Calls Date.<init> -> System.currentTimeMillis -> OsConstants.initConstants. 1941 "Ljava/util/ListResourceBundle;", // Calls OsConstants.initConstants. 1942 "Ljava/util/Locale;", // Calls System.getProperty -> OsConstants.initConstants. 1943 "Ljava/util/PropertyResourceBundle;", // Calls OsConstants.initConstants. 1944 "Ljava/util/ResourceBundle;", // Calls OsConstants.initConstants. 1945 "Ljava/util/ResourceBundle$MissingBundle;", // Calls OsConstants.initConstants. 1946 "Ljava/util/Scanner;", // regex.Pattern.compileImpl. 1947 "Ljava/util/SimpleTimeZone;", // Sub-class of TimeZone. 1948 "Ljava/util/TimeZone;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1949 "Ljava/util/concurrent/ConcurrentHashMap;", // Calls Runtime.getRuntime().availableProcessors(). 1950 "Ljava/util/concurrent/ConcurrentHashMap$Segment;", // Calls Runtime.getRuntime().availableProcessors(). 1951 "Ljava/util/concurrent/ConcurrentSkipListMap;", // Calls Random() -> OsConstants.initConstants. 1952 "Ljava/util/concurrent/Exchanger;", // Calls Runtime.getRuntime().availableProcessors(). 1953 "Ljava/util/concurrent/ForkJoinPool;", // Makes a thread pool ..-> calls OsConstants.initConstants. 1954 "Ljava/util/concurrent/LinkedTransferQueue;", // Calls Runtime.getRuntime().availableProcessors(). 1955 "Ljava/util/concurrent/Phaser;", // Calls Runtime.getRuntime().availableProcessors(). 1956 "Ljava/util/concurrent/ScheduledThreadPoolExecutor;", // Calls AtomicLong.VMSupportsCS8() 1957 "Ljava/util/concurrent/SynchronousQueue;", // Calls Runtime.getRuntime().availableProcessors(). 1958 "Ljava/util/concurrent/atomic/AtomicLong;", // Calls AtomicLong.VMSupportsCS8() 1959 "Ljava/util/logging/LogManager;", // Calls System.getProperty -> OsConstants.initConstants. 1960 "Ljava/util/prefs/AbstractPreferences;", // Calls OsConstants.initConstants. 1961 "Ljava/util/prefs/FilePreferencesImpl;", // Calls OsConstants.initConstants. 1962 "Ljava/util/prefs/FilePreferencesFactoryImpl;", // Calls OsConstants.initConstants. 1963 "Ljava/util/prefs/Preferences;", // Calls OsConstants.initConstants. 1964 "Ljavax/crypto/KeyAgreement;", // Calls OsConstants.initConstants. 1965 "Ljavax/crypto/KeyGenerator;", // Calls OsConstants.initConstants. 1966 "Ljavax/security/cert/X509Certificate;", // Calls VMClassLoader.getBootClassPathSize. 1967 "Ljavax/security/cert/X509Certificate$1;", // Calls VMClassLoader.getBootClassPathSize. 1968 "Ljavax/microedition/khronos/egl/EGL10;", // Requires EGLContext. 1969 "Ljavax/microedition/khronos/egl/EGLContext;", // Requires com.google.android.gles_jni.EGLImpl. 1970 "Ljavax/xml/datatype/DatatypeConstants;", // Calls OsConstants.initConstants. 1971 "Ljavax/xml/datatype/FactoryFinder;", // Calls OsConstants.initConstants. 1972 "Ljavax/xml/namespace/QName;", // Calls OsConstants.initConstants. 1973 "Ljavax/xml/validation/SchemaFactoryFinder;", // Calls OsConstants.initConstants. 1974 "Ljavax/xml/xpath/XPathConstants;", // Calls OsConstants.initConstants. 1975 "Ljavax/xml/xpath/XPathFactoryFinder;", // Calls OsConstants.initConstants. 1976 "Llibcore/icu/LocaleData;", // Requires java.util.Locale. 1977 "Llibcore/icu/TimeZoneNames;", // Requires java.util.TimeZone. 1978 "Llibcore/io/IoUtils;", // Calls Random.<init> -> System.currentTimeMillis -> FileDescriptor -> OsConstants.initConstants. 1979 "Llibcore/io/OsConstants;", // Platform specific. 1980 "Llibcore/net/MimeUtils;", // Calls libcore.net.MimeUtils.getContentTypesPropertiesStream -> System.getProperty. 1981 "Llibcore/reflect/Types;", // Calls OsConstants.initConstants. 1982 "Llibcore/util/ZoneInfo;", // Sub-class of TimeZone. 1983 "Llibcore/util/ZoneInfoDB;", // Calls System.getenv -> OsConstants.initConstants. 1984 "Lorg/apache/commons/logging/LogFactory;", // Calls System.getProperty. 1985 "Lorg/apache/commons/logging/impl/LogFactoryImpl;", // Calls OsConstants.initConstants. 1986 "Lorg/apache/harmony/security/fortress/Services;", // Calls ClassLoader.getSystemClassLoader -> System.getProperty. 1987 "Lorg/apache/harmony/security/provider/cert/X509CertFactoryImpl;", // Requires java.nio.charsets.Charsets. 1988 "Lorg/apache/harmony/security/provider/crypto/RandomBitsSupplier;", // Requires java.io.File. 1989 "Lorg/apache/harmony/security/utils/AlgNameMapper;", // Requires java.util.Locale. 1990 "Lorg/apache/harmony/security/pkcs10/CertificationRequest;", // Calls Thread.currentThread. 1991 "Lorg/apache/harmony/security/pkcs10/CertificationRequestInfo;", // Calls Thread.currentThread. 1992 "Lorg/apache/harmony/security/pkcs7/AuthenticatedAttributes;", // Calls Thread.currentThread. 1993 "Lorg/apache/harmony/security/pkcs7/SignedData;", // Calls Thread.currentThread. 1994 "Lorg/apache/harmony/security/pkcs7/SignerInfo;", // Calls Thread.currentThread. 1995 "Lorg/apache/harmony/security/pkcs8/PrivateKeyInfo;", // Calls Thread.currentThread. 1996 "Lorg/apache/harmony/security/provider/crypto/SHA1PRNG_SecureRandomImpl;", // Calls OsConstants.initConstants. 1997 "Lorg/apache/harmony/security/x501/AttributeTypeAndValue;", // Calls IntegralToString.convertInt -> Thread.currentThread. 1998 "Lorg/apache/harmony/security/x501/DirectoryString;", // Requires BigInteger. 1999 "Lorg/apache/harmony/security/x501/Name;", // Requires org.apache.harmony.security.x501.AttributeTypeAndValue. 2000 "Lorg/apache/harmony/security/x509/AccessDescription;", // Calls Thread.currentThread. 2001 "Lorg/apache/harmony/security/x509/AuthorityKeyIdentifier;", // Calls Thread.currentThread. 2002 "Lorg/apache/harmony/security/x509/CRLDistributionPoints;", // Calls Thread.currentThread. 2003 "Lorg/apache/harmony/security/x509/Certificate;", // Requires org.apache.harmony.security.x509.TBSCertificate. 2004 "Lorg/apache/harmony/security/x509/CertificateIssuer;", // Calls Thread.currentThread. 2005 "Lorg/apache/harmony/security/x509/CertificateList;", // Calls Thread.currentThread. 2006 "Lorg/apache/harmony/security/x509/DistributionPoint;", // Calls Thread.currentThread. 2007 "Lorg/apache/harmony/security/x509/DistributionPointName;", // Calls Thread.currentThread. 2008 "Lorg/apache/harmony/security/x509/EDIPartyName;", // Calls native ... -> java.math.NativeBN.BN_new(). 2009 "Lorg/apache/harmony/security/x509/GeneralName;", // Requires org.apache.harmony.security.x501.Name. 2010 "Lorg/apache/harmony/security/x509/GeneralNames;", // Requires GeneralName. 2011 "Lorg/apache/harmony/security/x509/GeneralSubtree;", // Calls Thread.currentThread. 2012 "Lorg/apache/harmony/security/x509/GeneralSubtrees;", // Calls Thread.currentThread. 2013 "Lorg/apache/harmony/security/x509/InfoAccessSyntax;", // Calls Thread.currentThread. 2014 "Lorg/apache/harmony/security/x509/IssuingDistributionPoint;", // Calls Thread.currentThread. 2015 "Lorg/apache/harmony/security/x509/NameConstraints;", // Calls Thread.currentThread. 2016 "Lorg/apache/harmony/security/x509/TBSCertList$RevokedCertificate;", // Calls NativeBN.BN_new(). 2017 "Lorg/apache/harmony/security/x509/TBSCertList;", // Calls Thread.currentThread. 2018 "Lorg/apache/harmony/security/x509/TBSCertificate;", // Requires org.apache.harmony.security.x501.Name. 2019 "Lorg/apache/harmony/security/x509/Time;", // Calls native ... -> java.math.NativeBN.BN_new(). 2020 "Lorg/apache/harmony/security/x509/Validity;", // Requires x509.Time. 2021 "Lorg/apache/harmony/security/x509/tsp/TSTInfo;", // Calls Thread.currentThread. 2022 "Lorg/apache/harmony/xml/ExpatParser;", // Calls native ExpatParser.staticInitialize. 2023 "Lorg/apache/harmony/xml/ExpatParser$EntityParser;", // Calls ExpatParser.staticInitialize. 2024 "Lorg/apache/http/conn/params/ConnRouteParams;", // Requires java.util.Locale. 2025 "Lorg/apache/http/conn/ssl/SSLSocketFactory;", // Calls java.security.Security.getProperty. 2026 "Lorg/apache/http/conn/util/InetAddressUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 2027}; 2028 2029static void InitializeClass(const ParallelCompilationManager* manager, size_t class_def_index) 2030 LOCKS_EXCLUDED(Locks::mutator_lock_) { 2031 const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index); 2032 ScopedObjectAccess soa(Thread::Current()); 2033 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()); 2034 const char* descriptor = manager->GetDexFile()->GetClassDescriptor(class_def); 2035 mirror::Class* klass = manager->GetClassLinker()->FindClass(descriptor, class_loader); 2036 bool compiling_boot = Runtime::Current()->GetHeap()->GetContinuousSpaces().size() == 1; 2037 bool can_init_static_fields = compiling_boot && 2038 manager->GetCompiler()->IsImageClass(descriptor); 2039 if (klass != NULL) { 2040 // We don't want class initialization occurring on multiple threads due to deadlock problems. 2041 // For example, a parent class is initialized (holding its lock) that refers to a sub-class 2042 // in its static/class initializer causing it to try to acquire the sub-class' lock. While 2043 // on a second thread the sub-class is initialized (holding its lock) after first initializing 2044 // its parents, whose locks are acquired. This leads to a parent-to-child and a child-to-parent 2045 // lock ordering and consequent potential deadlock. 2046 // We need to use an ObjectLock due to potential suspension in the interpreting code. Rather 2047 // than use a special Object for the purpose we use the Class of java.lang.Class. 2048 ObjectLock lock1(soa.Self(), klass->GetClass()); 2049 // The lock required to initialize the class. 2050 ObjectLock lock2(soa.Self(), klass); 2051 // Only try to initialize classes that were successfully verified. 2052 if (klass->IsVerified()) { 2053 manager->GetClassLinker()->EnsureInitialized(klass, false, can_init_static_fields); 2054 if (soa.Self()->IsExceptionPending()) { 2055 soa.Self()->GetException(NULL)->Dump(); 2056 } 2057 if (!klass->IsInitialized()) { 2058 if (can_init_static_fields) { 2059 // NoPreloadHolder inner class implies this should not be initialized early. 2060 bool is_black_listed = StringPiece(descriptor).ends_with("$NoPreloadHolder;"); 2061 if (!is_black_listed) { 2062 for (size_t i = 0; i < arraysize(class_initializer_black_list); ++i) { 2063 if (StringPiece(descriptor) == class_initializer_black_list[i]) { 2064 is_black_listed = true; 2065 break; 2066 } 2067 } 2068 } 2069 if (!is_black_listed) { 2070 VLOG(compiler) << "Initializing: " << descriptor; 2071 if (StringPiece(descriptor) == "Ljava/lang/Void;") { 2072 // Hand initialize j.l.Void to avoid Dex file operations in un-started runtime. 2073 mirror::ObjectArray<mirror::ArtField>* fields = klass->GetSFields(); 2074 CHECK_EQ(fields->GetLength(), 1); 2075 fields->Get(0)->SetObj(klass, manager->GetClassLinker()->FindPrimitiveClass('V')); 2076 klass->SetStatus(mirror::Class::kStatusInitialized); 2077 } else { 2078 manager->GetClassLinker()->EnsureInitialized(klass, true, can_init_static_fields); 2079 } 2080 soa.Self()->AssertNoPendingException(); 2081 } 2082 } 2083 } 2084 // If successfully initialized place in SSB array. 2085 if (klass->IsInitialized()) { 2086 klass->GetDexCache()->GetInitializedStaticStorage()->Set(klass->GetDexTypeIndex(), klass); 2087 } 2088 } 2089 // Record the final class status if necessary. 2090 mirror::Class::Status status = klass->GetStatus(); 2091 ClassReference ref(manager->GetDexFile(), class_def_index); 2092 CompiledClass* compiled_class = manager->GetCompiler()->GetCompiledClass(ref); 2093 if (compiled_class == NULL) { 2094 compiled_class = new CompiledClass(status); 2095 manager->GetCompiler()->RecordClassStatus(ref, compiled_class); 2096 } else { 2097 DCHECK_GE(status, compiled_class->GetStatus()) << descriptor; 2098 } 2099 } 2100 // Clear any class not found or verification exceptions. 2101 soa.Self()->ClearException(); 2102} 2103 2104void CompilerDriver::InitializeClasses(jobject jni_class_loader, const DexFile& dex_file, 2105 ThreadPool& thread_pool, base::TimingLogger& timings) { 2106 timings.NewSplit(strdup(("InitializeNoClinit " + dex_file.GetLocation()).c_str())); 2107#ifndef NDEBUG 2108 for (size_t i = 0; i < arraysize(class_initializer_black_list); ++i) { 2109 const char* descriptor = class_initializer_black_list[i]; 2110 CHECK(IsValidDescriptor(descriptor)) << descriptor; 2111 } 2112#endif 2113 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 2114 ParallelCompilationManager context(class_linker, jni_class_loader, this, &dex_file, thread_pool); 2115 context.ForAll(0, dex_file.NumClassDefs(), InitializeClass, thread_count_); 2116} 2117 2118void CompilerDriver::InitializeClasses(jobject class_loader, 2119 const std::vector<const DexFile*>& dex_files, 2120 ThreadPool& thread_pool, base::TimingLogger& timings) { 2121 for (size_t i = 0; i != dex_files.size(); ++i) { 2122 const DexFile* dex_file = dex_files[i]; 2123 CHECK(dex_file != NULL); 2124 InitializeClasses(class_loader, *dex_file, thread_pool, timings); 2125 } 2126} 2127 2128void CompilerDriver::Compile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 2129 ThreadPool& thread_pool, base::TimingLogger& timings) { 2130 for (size_t i = 0; i != dex_files.size(); ++i) { 2131 const DexFile* dex_file = dex_files[i]; 2132 CHECK(dex_file != NULL); 2133 CompileDexFile(class_loader, *dex_file, thread_pool, timings); 2134 } 2135} 2136 2137void CompilerDriver::CompileClass(const ParallelCompilationManager* manager, size_t class_def_index) { 2138 ATRACE_CALL(); 2139 jobject jclass_loader = manager->GetClassLoader(); 2140 const DexFile& dex_file = *manager->GetDexFile(); 2141 const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 2142 { 2143 ScopedObjectAccess soa(Thread::Current()); 2144 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader); 2145 if (SkipClass(class_loader, dex_file, class_def)) { 2146 return; 2147 } 2148 } 2149 ClassReference ref(&dex_file, class_def_index); 2150 // Skip compiling classes with generic verifier failures since they will still fail at runtime 2151 if (verifier::MethodVerifier::IsClassRejected(ref)) { 2152 return; 2153 } 2154 const byte* class_data = dex_file.GetClassData(class_def); 2155 if (class_data == NULL) { 2156 // empty class, probably a marker interface 2157 return; 2158 } 2159 2160 // Can we run DEX-to-DEX compiler on this class ? 2161 DexToDexCompilationLevel dex_to_dex_compilation_level = kDontDexToDexCompile; 2162 { 2163 ScopedObjectAccess soa(Thread::Current()); 2164 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader); 2165 dex_to_dex_compilation_level = GetDexToDexCompilationlevel(class_loader, dex_file, class_def); 2166 } 2167 ClassDataItemIterator it(dex_file, class_data); 2168 // Skip fields 2169 while (it.HasNextStaticField()) { 2170 it.Next(); 2171 } 2172 while (it.HasNextInstanceField()) { 2173 it.Next(); 2174 } 2175 // Compile direct methods 2176 int64_t previous_direct_method_idx = -1; 2177 while (it.HasNextDirectMethod()) { 2178 uint32_t method_idx = it.GetMemberIndex(); 2179 if (method_idx == previous_direct_method_idx) { 2180 // smali can create dex files with two encoded_methods sharing the same method_idx 2181 // http://code.google.com/p/smali/issues/detail?id=119 2182 it.Next(); 2183 continue; 2184 } 2185 previous_direct_method_idx = method_idx; 2186 manager->GetCompiler()->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), 2187 it.GetMethodInvokeType(class_def), class_def_index, 2188 method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level); 2189 it.Next(); 2190 } 2191 // Compile virtual methods 2192 int64_t previous_virtual_method_idx = -1; 2193 while (it.HasNextVirtualMethod()) { 2194 uint32_t method_idx = it.GetMemberIndex(); 2195 if (method_idx == previous_virtual_method_idx) { 2196 // smali can create dex files with two encoded_methods sharing the same method_idx 2197 // http://code.google.com/p/smali/issues/detail?id=119 2198 it.Next(); 2199 continue; 2200 } 2201 previous_virtual_method_idx = method_idx; 2202 manager->GetCompiler()->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), 2203 it.GetMethodInvokeType(class_def), class_def_index, 2204 method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level); 2205 it.Next(); 2206 } 2207 DCHECK(!it.HasNext()); 2208} 2209 2210void CompilerDriver::CompileDexFile(jobject class_loader, const DexFile& dex_file, 2211 ThreadPool& thread_pool, base::TimingLogger& timings) { 2212 timings.NewSplit(strdup(("Compile " + dex_file.GetLocation()).c_str())); 2213 ParallelCompilationManager context(NULL, class_loader, this, &dex_file, thread_pool); 2214 context.ForAll(0, dex_file.NumClassDefs(), CompilerDriver::CompileClass, thread_count_); 2215} 2216 2217void CompilerDriver::CompileMethod(const DexFile::CodeItem* code_item, uint32_t access_flags, 2218 InvokeType invoke_type, uint32_t class_def_idx, 2219 uint32_t method_idx, jobject class_loader, 2220 const DexFile& dex_file, 2221 DexToDexCompilationLevel dex_to_dex_compilation_level) { 2222 CompiledMethod* compiled_method = NULL; 2223 uint64_t start_ns = NanoTime(); 2224 2225 if ((access_flags & kAccNative) != 0) { 2226 compiled_method = (*jni_compiler_)(*this, access_flags, method_idx, dex_file); 2227 CHECK(compiled_method != NULL); 2228 } else if ((access_flags & kAccAbstract) != 0) { 2229 } else { 2230 MethodReference method_ref(&dex_file, method_idx); 2231 bool compile = verifier::MethodVerifier::IsCandidateForCompilation(method_ref, access_flags); 2232 2233 if (compile) { 2234 CompilerFn compiler = compiler_; 2235#ifdef ART_SEA_IR_MODE 2236 bool use_sea = Runtime::Current()->IsSeaIRMode(); 2237 use_sea = use_sea && 2238 (std::string::npos != PrettyMethod(method_idx, dex_file).find("fibonacci")); 2239 if (use_sea) { 2240 compiler = sea_ir_compiler_; 2241 LOG(INFO) << "Using SEA IR to compile..." << std::endl; 2242 } 2243#endif 2244 // NOTE: if compiler declines to compile this method, it will return NULL. 2245 compiled_method = (*compiler)(*this, code_item, access_flags, invoke_type, class_def_idx, 2246 method_idx, class_loader, dex_file); 2247 } else if (dex_to_dex_compilation_level != kDontDexToDexCompile) { 2248 // TODO: add a mode to disable DEX-to-DEX compilation ? 2249 (*dex_to_dex_compiler_)(*this, code_item, access_flags, 2250 invoke_type, class_def_idx, 2251 method_idx, class_loader, dex_file, 2252 dex_to_dex_compilation_level); 2253 } 2254 } 2255 uint64_t duration_ns = NanoTime() - start_ns; 2256#ifdef ART_USE_PORTABLE_COMPILER 2257 const uint64_t kWarnMilliSeconds = 1000; 2258#else 2259 const uint64_t kWarnMilliSeconds = 100; 2260#endif 2261 if (duration_ns > MsToNs(kWarnMilliSeconds)) { 2262 LOG(WARNING) << "Compilation of " << PrettyMethod(method_idx, dex_file) 2263 << " took " << PrettyDuration(duration_ns); 2264 } 2265 2266 Thread* self = Thread::Current(); 2267 if (compiled_method != NULL) { 2268 MethodReference ref(&dex_file, method_idx); 2269 CHECK(GetCompiledMethod(ref) == NULL) << PrettyMethod(method_idx, dex_file); 2270 { 2271 MutexLock mu(self, compiled_methods_lock_); 2272 compiled_methods_.Put(ref, compiled_method); 2273 } 2274 DCHECK(GetCompiledMethod(ref) != NULL) << PrettyMethod(method_idx, dex_file); 2275 } 2276 2277 if (self->IsExceptionPending()) { 2278 ScopedObjectAccess soa(self); 2279 LOG(FATAL) << "Unexpected exception compiling: " << PrettyMethod(method_idx, dex_file) << "\n" 2280 << self->GetException(NULL)->Dump(); 2281 } 2282} 2283 2284CompiledClass* CompilerDriver::GetCompiledClass(ClassReference ref) const { 2285 MutexLock mu(Thread::Current(), compiled_classes_lock_); 2286 ClassTable::const_iterator it = compiled_classes_.find(ref); 2287 if (it == compiled_classes_.end()) { 2288 return NULL; 2289 } 2290 CHECK(it->second != NULL); 2291 return it->second; 2292} 2293 2294CompiledMethod* CompilerDriver::GetCompiledMethod(MethodReference ref) const { 2295 MutexLock mu(Thread::Current(), compiled_methods_lock_); 2296 MethodTable::const_iterator it = compiled_methods_.find(ref); 2297 if (it == compiled_methods_.end()) { 2298 return NULL; 2299 } 2300 CHECK(it->second != NULL); 2301 return it->second; 2302} 2303 2304void CompilerDriver::SetBitcodeFileName(std::string const& filename) { 2305 typedef void (*SetBitcodeFileNameFn)(CompilerDriver&, std::string const&); 2306 2307 SetBitcodeFileNameFn set_bitcode_file_name = 2308 reinterpret_cast<SetBitcodeFileNameFn>(compilerLLVMSetBitcodeFileName); 2309 2310 set_bitcode_file_name(*this, filename); 2311} 2312 2313 2314void CompilerDriver::AddRequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 2315 size_t class_def_index) { 2316 MutexLock mu(self, freezing_constructor_lock_); 2317 freezing_constructor_classes_.insert(ClassReference(dex_file, class_def_index)); 2318} 2319 2320bool CompilerDriver::RequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 2321 size_t class_def_index) { 2322 MutexLock mu(self, freezing_constructor_lock_); 2323 return freezing_constructor_classes_.count(ClassReference(dex_file, class_def_index)) != 0; 2324} 2325 2326bool CompilerDriver::WriteElf(const std::string& android_root, 2327 bool is_host, 2328 const std::vector<const art::DexFile*>& dex_files, 2329 OatWriter& oat_writer, 2330 art::File* file) 2331 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2332#if defined(ART_USE_PORTABLE_COMPILER) 2333 return art::ElfWriterMclinker::Create(file, oat_writer, dex_files, android_root, is_host, *this); 2334#else 2335 return art::ElfWriterQuick::Create(file, oat_writer, dex_files, android_root, is_host, *this); 2336#endif 2337} 2338void CompilerDriver::InstructionSetToLLVMTarget(InstructionSet instruction_set, 2339 std::string& target_triple, 2340 std::string& target_cpu, 2341 std::string& target_attr) { 2342 switch (instruction_set) { 2343 case kThumb2: 2344 target_triple = "thumb-none-linux-gnueabi"; 2345 target_cpu = "cortex-a9"; 2346 target_attr = "+thumb2,+neon,+neonfp,+vfp3,+db"; 2347 break; 2348 2349 case kArm: 2350 target_triple = "armv7-none-linux-gnueabi"; 2351 // TODO: Fix for Nexus S. 2352 target_cpu = "cortex-a9"; 2353 // TODO: Fix for Xoom. 2354 target_attr = "+v7,+neon,+neonfp,+vfp3,+db"; 2355 break; 2356 2357 case kX86: 2358 target_triple = "i386-pc-linux-gnu"; 2359 target_attr = ""; 2360 break; 2361 2362 case kMips: 2363 target_triple = "mipsel-unknown-linux"; 2364 target_attr = "mips32r2"; 2365 break; 2366 2367 default: 2368 LOG(FATAL) << "Unknown instruction set: " << instruction_set; 2369 } 2370 } 2371} // namespace art 2372