compiler_driver.cc revision 155ecba1c9b56ce1b468135e6a591a3fe9258c52
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#include <vector> 20 21#include <unistd.h> 22 23#include "base/stl_util.h" 24#include "base/timing_logger.h" 25#include "class_linker.h" 26#include "dex_compilation_unit.h" 27#include "dex_file-inl.h" 28#include "jni_internal.h" 29#include "object_utils.h" 30#include "runtime.h" 31#include "gc/accounting/card_table-inl.h" 32#include "gc/accounting/heap_bitmap.h" 33#include "gc/space/space.h" 34#include "mirror/class_loader.h" 35#include "mirror/class-inl.h" 36#include "mirror/dex_cache-inl.h" 37#include "mirror/field-inl.h" 38#include "mirror/abstract_method-inl.h" 39#include "mirror/object-inl.h" 40#include "mirror/object_array-inl.h" 41#include "mirror/throwable.h" 42#include "scoped_thread_state_change.h" 43#include "ScopedLocalRef.h" 44#include "thread.h" 45#include "thread_pool.h" 46#include "trampolines/trampoline_compiler.h" 47#include "verifier/method_verifier.h" 48 49#if defined(ART_USE_PORTABLE_COMPILER) 50#include "elf_writer_mclinker.h" 51#else 52#include "elf_writer_quick.h" 53#endif 54 55namespace art { 56 57static double Percentage(size_t x, size_t y) { 58 return 100.0 * (static_cast<double>(x)) / (static_cast<double>(x + y)); 59} 60 61static void DumpStat(size_t x, size_t y, const char* str) { 62 if (x == 0 && y == 0) { 63 return; 64 } 65 LOG(INFO) << Percentage(x, y) << "% of " << str << " for " << (x + y) << " cases"; 66} 67 68class AOTCompilationStats { 69 public: 70 AOTCompilationStats() 71 : stats_lock_("AOT compilation statistics lock"), 72 types_in_dex_cache_(0), types_not_in_dex_cache_(0), 73 strings_in_dex_cache_(0), strings_not_in_dex_cache_(0), 74 resolved_types_(0), unresolved_types_(0), 75 resolved_instance_fields_(0), unresolved_instance_fields_(0), 76 resolved_local_static_fields_(0), resolved_static_fields_(0), unresolved_static_fields_(0), 77 type_based_devirtualization_(0), 78 safe_casts_(0), not_safe_casts_(0) { 79 for (size_t i = 0; i <= kMaxInvokeType; i++) { 80 resolved_methods_[i] = 0; 81 unresolved_methods_[i] = 0; 82 virtual_made_direct_[i] = 0; 83 direct_calls_to_boot_[i] = 0; 84 direct_methods_to_boot_[i] = 0; 85 } 86 } 87 88 void Dump() { 89 DumpStat(types_in_dex_cache_, types_not_in_dex_cache_, "types known to be in dex cache"); 90 DumpStat(strings_in_dex_cache_, strings_not_in_dex_cache_, "strings known to be in dex cache"); 91 DumpStat(resolved_types_, unresolved_types_, "types resolved"); 92 DumpStat(resolved_instance_fields_, unresolved_instance_fields_, "instance fields resolved"); 93 DumpStat(resolved_local_static_fields_ + resolved_static_fields_, unresolved_static_fields_, 94 "static fields resolved"); 95 DumpStat(resolved_local_static_fields_, resolved_static_fields_ + unresolved_static_fields_, 96 "static fields local to a class"); 97 DumpStat(safe_casts_, not_safe_casts_, "check-casts removed based on type information"); 98 // Note, the code below subtracts the stat value so that when added to the stat value we have 99 // 100% of samples. TODO: clean this up. 100 DumpStat(type_based_devirtualization_, 101 resolved_methods_[kVirtual] + unresolved_methods_[kVirtual] + 102 resolved_methods_[kInterface] + unresolved_methods_[kInterface] - 103 type_based_devirtualization_, 104 "virtual/interface calls made direct based on type information"); 105 106 for (size_t i = 0; i <= kMaxInvokeType; i++) { 107 std::ostringstream oss; 108 oss << static_cast<InvokeType>(i) << " methods were AOT resolved"; 109 DumpStat(resolved_methods_[i], unresolved_methods_[i], oss.str().c_str()); 110 if (virtual_made_direct_[i] > 0) { 111 std::ostringstream oss2; 112 oss2 << static_cast<InvokeType>(i) << " methods made direct"; 113 DumpStat(virtual_made_direct_[i], 114 resolved_methods_[i] + unresolved_methods_[i] - virtual_made_direct_[i], 115 oss2.str().c_str()); 116 } 117 if (direct_calls_to_boot_[i] > 0) { 118 std::ostringstream oss2; 119 oss2 << static_cast<InvokeType>(i) << " method calls are direct into boot"; 120 DumpStat(direct_calls_to_boot_[i], 121 resolved_methods_[i] + unresolved_methods_[i] - direct_calls_to_boot_[i], 122 oss2.str().c_str()); 123 } 124 if (direct_methods_to_boot_[i] > 0) { 125 std::ostringstream oss2; 126 oss2 << static_cast<InvokeType>(i) << " method calls have methods in boot"; 127 DumpStat(direct_methods_to_boot_[i], 128 resolved_methods_[i] + unresolved_methods_[i] - direct_methods_to_boot_[i], 129 oss2.str().c_str()); 130 } 131 } 132 } 133 134// Allow lossy statistics in non-debug builds. 135#ifndef NDEBUG 136#define STATS_LOCK() MutexLock mu(Thread::Current(), stats_lock_) 137#else 138#define STATS_LOCK() 139#endif 140 141 void TypeInDexCache() { 142 STATS_LOCK(); 143 types_in_dex_cache_++; 144 } 145 146 void TypeNotInDexCache() { 147 STATS_LOCK(); 148 types_not_in_dex_cache_++; 149 } 150 151 void StringInDexCache() { 152 STATS_LOCK(); 153 strings_in_dex_cache_++; 154 } 155 156 void StringNotInDexCache() { 157 STATS_LOCK(); 158 strings_not_in_dex_cache_++; 159 } 160 161 void TypeDoesntNeedAccessCheck() { 162 STATS_LOCK(); 163 resolved_types_++; 164 } 165 166 void TypeNeedsAccessCheck() { 167 STATS_LOCK(); 168 unresolved_types_++; 169 } 170 171 void ResolvedInstanceField() { 172 STATS_LOCK(); 173 resolved_instance_fields_++; 174 } 175 176 void UnresolvedInstanceField() { 177 STATS_LOCK(); 178 unresolved_instance_fields_++; 179 } 180 181 void ResolvedLocalStaticField() { 182 STATS_LOCK(); 183 resolved_local_static_fields_++; 184 } 185 186 void ResolvedStaticField() { 187 STATS_LOCK(); 188 resolved_static_fields_++; 189 } 190 191 void UnresolvedStaticField() { 192 STATS_LOCK(); 193 unresolved_static_fields_++; 194 } 195 196 // Indicate that type information from the verifier led to devirtualization. 197 void PreciseTypeDevirtualization() { 198 STATS_LOCK(); 199 type_based_devirtualization_++; 200 } 201 202 // Indicate that a method of the given type was resolved at compile time. 203 void ResolvedMethod(InvokeType type) { 204 DCHECK_LE(type, kMaxInvokeType); 205 STATS_LOCK(); 206 resolved_methods_[type]++; 207 } 208 209 // Indicate that a method of the given type was unresolved at compile time as it was in an 210 // unknown dex file. 211 void UnresolvedMethod(InvokeType type) { 212 DCHECK_LE(type, kMaxInvokeType); 213 STATS_LOCK(); 214 unresolved_methods_[type]++; 215 } 216 217 // Indicate that a type of virtual method dispatch has been converted into a direct method 218 // dispatch. 219 void VirtualMadeDirect(InvokeType type) { 220 DCHECK(type == kVirtual || type == kInterface || type == kSuper); 221 STATS_LOCK(); 222 virtual_made_direct_[type]++; 223 } 224 225 // Indicate that a method of the given type was able to call directly into boot. 226 void DirectCallsToBoot(InvokeType type) { 227 DCHECK_LE(type, kMaxInvokeType); 228 STATS_LOCK(); 229 direct_calls_to_boot_[type]++; 230 } 231 232 // Indicate that a method of the given type was able to be resolved directly from boot. 233 void DirectMethodsToBoot(InvokeType type) { 234 DCHECK_LE(type, kMaxInvokeType); 235 STATS_LOCK(); 236 direct_methods_to_boot_[type]++; 237 } 238 239 // A check-cast could be eliminated due to verifier type analysis. 240 void SafeCast() { 241 STATS_LOCK(); 242 safe_casts_++; 243 } 244 245 // A check-cast couldn't be eliminated due to verifier type analysis. 246 void NotASafeCast() { 247 STATS_LOCK(); 248 not_safe_casts_++; 249 } 250 251 private: 252 Mutex stats_lock_; 253 254 size_t types_in_dex_cache_; 255 size_t types_not_in_dex_cache_; 256 257 size_t strings_in_dex_cache_; 258 size_t strings_not_in_dex_cache_; 259 260 size_t resolved_types_; 261 size_t unresolved_types_; 262 263 size_t resolved_instance_fields_; 264 size_t unresolved_instance_fields_; 265 266 size_t resolved_local_static_fields_; 267 size_t resolved_static_fields_; 268 size_t unresolved_static_fields_; 269 // Type based devirtualization for invoke interface and virtual. 270 size_t type_based_devirtualization_; 271 272 size_t resolved_methods_[kMaxInvokeType + 1]; 273 size_t unresolved_methods_[kMaxInvokeType + 1]; 274 size_t virtual_made_direct_[kMaxInvokeType + 1]; 275 size_t direct_calls_to_boot_[kMaxInvokeType + 1]; 276 size_t direct_methods_to_boot_[kMaxInvokeType + 1]; 277 278 size_t safe_casts_; 279 size_t not_safe_casts_; 280 281 DISALLOW_COPY_AND_ASSIGN(AOTCompilationStats); 282}; 283 284extern "C" void ArtInitCompilerContext(art::CompilerDriver& driver); 285extern "C" void ArtInitQuickCompilerContext(art::CompilerDriver& compiler); 286 287extern "C" void ArtUnInitCompilerContext(art::CompilerDriver& driver); 288extern "C" void ArtUnInitQuickCompilerContext(art::CompilerDriver& compiler); 289 290extern "C" art::CompiledMethod* ArtCompileMethod(art::CompilerDriver& driver, 291 const art::DexFile::CodeItem* code_item, 292 uint32_t access_flags, 293 art::InvokeType invoke_type, 294 uint32_t class_def_idx, 295 uint32_t method_idx, 296 jobject class_loader, 297 const art::DexFile& dex_file); 298extern "C" art::CompiledMethod* ArtQuickCompileMethod(art::CompilerDriver& compiler, 299 const art::DexFile::CodeItem* code_item, 300 uint32_t access_flags, 301 art::InvokeType invoke_type, 302 uint32_t class_def_idx, 303 uint32_t method_idx, 304 jobject class_loader, 305 const art::DexFile& dex_file); 306 307extern "C" art::CompiledMethod* ArtCompileDEX(art::CompilerDriver& compiler, 308 const art::DexFile::CodeItem* code_item, 309 uint32_t access_flags, 310 art::InvokeType invoke_type, 311 uint32_t class_def_idx, 312 uint32_t method_idx, 313 jobject class_loader, 314 const art::DexFile& dex_file); 315 316extern "C" art::CompiledMethod* SeaIrCompileMethod(art::CompilerDriver& compiler, 317 const art::DexFile::CodeItem* code_item, 318 uint32_t access_flags, 319 art::InvokeType invoke_type, 320 uint32_t class_def_idx, 321 uint32_t method_idx, 322 jobject class_loader, 323 const art::DexFile& dex_file); 324 325extern "C" art::CompiledMethod* ArtLLVMJniCompileMethod(art::CompilerDriver& driver, 326 uint32_t access_flags, uint32_t method_idx, 327 const art::DexFile& dex_file); 328 329extern "C" art::CompiledMethod* ArtQuickJniCompileMethod(art::CompilerDriver& compiler, 330 uint32_t access_flags, uint32_t method_idx, 331 const art::DexFile& dex_file); 332 333extern "C" void compilerLLVMSetBitcodeFileName(art::CompilerDriver& driver, 334 std::string const& filename); 335 336CompilerDriver::CompilerDriver(CompilerBackend compiler_backend, InstructionSet instruction_set, 337 bool image, DescriptorSet* image_classes, size_t thread_count, 338 bool dump_stats) 339 : compiler_backend_(compiler_backend), 340 instruction_set_(instruction_set), 341 freezing_constructor_lock_("freezing constructor lock"), 342 compiled_classes_lock_("compiled classes lock"), 343 compiled_methods_lock_("compiled method lock"), 344 image_(image), 345 image_classes_(image_classes), 346 thread_count_(thread_count), 347 start_ns_(0), 348 stats_(new AOTCompilationStats), 349 dump_stats_(dump_stats), 350 compiler_library_(NULL), 351 compiler_(NULL), 352 compiler_context_(NULL), 353 jni_compiler_(NULL), 354 compiler_enable_auto_elf_loading_(NULL), 355 compiler_get_method_code_addr_(NULL), 356 support_boot_image_fixup_(true) { 357 358 CHECK_PTHREAD_CALL(pthread_key_create, (&tls_key_, NULL), "compiler tls key"); 359 360 // TODO: more work needed to combine initializations and allow per-method backend selection 361 typedef void (*InitCompilerContextFn)(CompilerDriver&); 362 InitCompilerContextFn init_compiler_context; 363 if (compiler_backend_ == kPortable) { 364 // Initialize compiler_context_ 365 init_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtInitCompilerContext); 366 compiler_ = reinterpret_cast<CompilerFn>(ArtCompileMethod); 367 } else { 368 init_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtInitQuickCompilerContext); 369 compiler_ = reinterpret_cast<CompilerFn>(ArtQuickCompileMethod); 370 } 371 372 dex_to_dex_compiler_ = reinterpret_cast<DexToDexCompilerFn>(ArtCompileDEX); 373 374#ifdef ART_SEA_IR_MODE 375 sea_ir_compiler_ = NULL; 376 if (Runtime::Current()->IsSeaIRMode()) { 377 sea_ir_compiler_ = reinterpret_cast<CompilerFn>(SeaIrCompileMethod); 378 } 379#endif 380 381 init_compiler_context(*this); 382 383 if (compiler_backend_ == kPortable) { 384 jni_compiler_ = reinterpret_cast<JniCompilerFn>(ArtLLVMJniCompileMethod); 385 } else { 386 jni_compiler_ = reinterpret_cast<JniCompilerFn>(ArtQuickJniCompileMethod); 387 } 388 389 CHECK(!Runtime::Current()->IsStarted()); 390 if (!image_) { 391 CHECK(image_classes_.get() == NULL); 392 } 393} 394 395CompilerDriver::~CompilerDriver() { 396 Thread* self = Thread::Current(); 397 { 398 MutexLock mu(self, compiled_classes_lock_); 399 STLDeleteValues(&compiled_classes_); 400 } 401 { 402 MutexLock mu(self, compiled_methods_lock_); 403 STLDeleteValues(&compiled_methods_); 404 } 405 { 406 MutexLock mu(self, compiled_methods_lock_); 407 STLDeleteElements(&code_to_patch_); 408 } 409 { 410 MutexLock mu(self, compiled_methods_lock_); 411 STLDeleteElements(&methods_to_patch_); 412 } 413 CHECK_PTHREAD_CALL(pthread_key_delete, (tls_key_), "delete tls key"); 414 typedef void (*UninitCompilerContextFn)(CompilerDriver&); 415 UninitCompilerContextFn uninit_compiler_context; 416 // Uninitialize compiler_context_ 417 // TODO: rework to combine initialization/uninitialization 418 if (compiler_backend_ == kPortable) { 419 uninit_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtUnInitCompilerContext); 420 } else { 421 uninit_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtUnInitQuickCompilerContext); 422 } 423 uninit_compiler_context(*this); 424} 425 426CompilerTls* CompilerDriver::GetTls() { 427 // Lazily create thread-local storage 428 CompilerTls* res = static_cast<CompilerTls*>(pthread_getspecific(tls_key_)); 429 if (res == NULL) { 430 res = new CompilerTls(); 431 CHECK_PTHREAD_CALL(pthread_setspecific, (tls_key_, res), "compiler tls"); 432 } 433 return res; 434} 435 436const std::vector<uint8_t>* CompilerDriver::CreateInterpreterToInterpreterBridge() const { 437 return CreateTrampoline(instruction_set_, kInterpreterAbi, 438 INTERPRETER_ENTRYPOINT_OFFSET(pInterpreterToInterpreterBridge)); 439} 440 441const std::vector<uint8_t>* CompilerDriver::CreateInterpreterToCompiledCodeBridge() const { 442 return CreateTrampoline(instruction_set_, kInterpreterAbi, 443 INTERPRETER_ENTRYPOINT_OFFSET(pInterpreterToCompiledCodeBridge)); 444} 445 446const std::vector<uint8_t>* CompilerDriver::CreateJniDlsymLookup() const { 447 return CreateTrampoline(instruction_set_, kJniAbi, JNI_ENTRYPOINT_OFFSET(pDlsymLookup)); 448} 449 450const std::vector<uint8_t>* CompilerDriver::CreatePortableResolutionTrampoline() const { 451 return CreateTrampoline(instruction_set_, kPortableAbi, 452 PORTABLE_ENTRYPOINT_OFFSET(pPortableResolutionTrampoline)); 453} 454 455const std::vector<uint8_t>* CompilerDriver::CreatePortableToInterpreterBridge() const { 456 return CreateTrampoline(instruction_set_, kPortableAbi, 457 PORTABLE_ENTRYPOINT_OFFSET(pPortableToInterpreterBridge)); 458} 459 460const std::vector<uint8_t>* CompilerDriver::CreateQuickResolutionTrampoline() const { 461 return CreateTrampoline(instruction_set_, kQuickAbi, 462 QUICK_ENTRYPOINT_OFFSET(pQuickResolutionTrampoline)); 463} 464 465const std::vector<uint8_t>* CompilerDriver::CreateQuickToInterpreterBridge() const { 466 return CreateTrampoline(instruction_set_, kQuickAbi, 467 QUICK_ENTRYPOINT_OFFSET(pQuickToInterpreterBridge)); 468} 469 470void CompilerDriver::CompileAll(jobject class_loader, 471 const std::vector<const DexFile*>& dex_files, 472 base::TimingLogger& timings) { 473 DCHECK(!Runtime::Current()->IsStarted()); 474 UniquePtr<ThreadPool> thread_pool(new ThreadPool(thread_count_)); 475 PreCompile(class_loader, dex_files, *thread_pool.get(), timings); 476 Compile(class_loader, dex_files, *thread_pool.get(), timings); 477 if (dump_stats_) { 478 stats_->Dump(); 479 } 480} 481 482static DexToDexCompilationLevel GetDexToDexCompilationlevel(mirror::ClassLoader* class_loader, 483 const DexFile& dex_file, 484 const DexFile::ClassDef& class_def) 485 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 486 const char* descriptor = dex_file.GetClassDescriptor(class_def); 487 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 488 mirror::Class* klass = class_linker->FindClass(descriptor, class_loader); 489 if (klass == NULL) { 490 Thread* self = Thread::Current(); 491 CHECK(self->IsExceptionPending()); 492 self->ClearException(); 493 return kDontDexToDexCompile; 494 } 495 // The verifier can only run on "quick" instructions at runtime (see usage of 496 // FindAccessedFieldAtDexPc and FindInvokedMethodAtDexPc in ThrowNullPointerExceptionFromDexPC 497 // function). Since image classes can be verified again while compiling an application, 498 // we must prevent the DEX-to-DEX compiler from introducing them. 499 // TODO: find a way to enable "quick" instructions for image classes and remove this check. 500 bool compiling_image_classes = (class_loader == NULL); 501 if (compiling_image_classes) { 502 return kRequired; 503 } else if (klass->IsVerified()) { 504 // Class is verified so we can enable DEX-to-DEX compilation for performance. 505 return kOptimize; 506 } else if (klass->IsCompileTimeVerified()) { 507 // Class verification has soft-failed. Anyway, ensure at least correctness. 508 DCHECK_EQ(klass->GetStatus(), mirror::Class::kStatusRetryVerificationAtRuntime); 509 return kRequired; 510 } else { 511 // Class verification has failed: do not run DEX-to-DEX compilation. 512 return kDontDexToDexCompile; 513 } 514} 515 516void CompilerDriver::CompileOne(const mirror::AbstractMethod* method, base::TimingLogger& timings) { 517 DCHECK(!Runtime::Current()->IsStarted()); 518 Thread* self = Thread::Current(); 519 jobject jclass_loader; 520 const DexFile* dex_file; 521 uint32_t class_def_idx; 522 { 523 ScopedObjectAccessUnchecked soa(self); 524 ScopedLocalRef<jobject> 525 local_class_loader(soa.Env(), 526 soa.AddLocalReference<jobject>(method->GetDeclaringClass()->GetClassLoader())); 527 jclass_loader = soa.Env()->NewGlobalRef(local_class_loader.get()); 528 // Find the dex_file 529 MethodHelper mh(method); 530 dex_file = &mh.GetDexFile(); 531 class_def_idx = mh.GetClassDefIndex(); 532 } 533 self->TransitionFromRunnableToSuspended(kNative); 534 535 std::vector<const DexFile*> dex_files; 536 dex_files.push_back(dex_file); 537 538 UniquePtr<ThreadPool> thread_pool(new ThreadPool(1U)); 539 PreCompile(jclass_loader, dex_files, *thread_pool.get(), timings); 540 541 uint32_t method_idx = method->GetDexMethodIndex(); 542 const DexFile::CodeItem* code_item = dex_file->GetCodeItem(method->GetCodeItemOffset()); 543 // Can we run DEX-to-DEX compiler on this class ? 544 DexToDexCompilationLevel dex_to_dex_compilation_level = kDontDexToDexCompile; 545 { 546 ScopedObjectAccess soa(Thread::Current()); 547 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_idx); 548 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader); 549 dex_to_dex_compilation_level = GetDexToDexCompilationlevel(class_loader, *dex_file, class_def); 550 } 551 CompileMethod(code_item, method->GetAccessFlags(), method->GetInvokeType(), 552 class_def_idx, method_idx, jclass_loader, *dex_file, dex_to_dex_compilation_level); 553 554 self->GetJniEnv()->DeleteGlobalRef(jclass_loader); 555 556 self->TransitionFromSuspendedToRunnable(); 557} 558 559void CompilerDriver::Resolve(jobject class_loader, const std::vector<const DexFile*>& dex_files, 560 ThreadPool& thread_pool, base::TimingLogger& timings) { 561 for (size_t i = 0; i != dex_files.size(); ++i) { 562 const DexFile* dex_file = dex_files[i]; 563 CHECK(dex_file != NULL); 564 ResolveDexFile(class_loader, *dex_file, thread_pool, timings); 565 } 566} 567 568void CompilerDriver::PreCompile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 569 ThreadPool& thread_pool, base::TimingLogger& timings) { 570 LoadImageClasses(timings); 571 572 Resolve(class_loader, dex_files, thread_pool, timings); 573 574 Verify(class_loader, dex_files, thread_pool, timings); 575 576 InitializeClasses(class_loader, dex_files, thread_pool, timings); 577 578 UpdateImageClasses(timings); 579} 580 581bool CompilerDriver::IsImageClass(const char* descriptor) const { 582 DCHECK(descriptor != NULL); 583 if (image_classes_.get() == NULL) { 584 return true; 585 } 586 return image_classes_->find(descriptor) != image_classes_->end(); 587} 588 589static void ResolveExceptionsForMethod(MethodHelper* mh, 590 std::set<std::pair<uint16_t, const DexFile*> >& exceptions_to_resolve) 591 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 592 const DexFile::CodeItem* code_item = mh->GetCodeItem(); 593 if (code_item == NULL) { 594 return; // native or abstract method 595 } 596 if (code_item->tries_size_ == 0) { 597 return; // nothing to process 598 } 599 const byte* encoded_catch_handler_list = DexFile::GetCatchHandlerData(*code_item, 0); 600 size_t num_encoded_catch_handlers = DecodeUnsignedLeb128(&encoded_catch_handler_list); 601 for (size_t i = 0; i < num_encoded_catch_handlers; i++) { 602 int32_t encoded_catch_handler_size = DecodeSignedLeb128(&encoded_catch_handler_list); 603 bool has_catch_all = false; 604 if (encoded_catch_handler_size <= 0) { 605 encoded_catch_handler_size = -encoded_catch_handler_size; 606 has_catch_all = true; 607 } 608 for (int32_t j = 0; j < encoded_catch_handler_size; j++) { 609 uint16_t encoded_catch_handler_handlers_type_idx = 610 DecodeUnsignedLeb128(&encoded_catch_handler_list); 611 // Add to set of types to resolve if not already in the dex cache resolved types 612 if (!mh->IsResolvedTypeIdx(encoded_catch_handler_handlers_type_idx)) { 613 exceptions_to_resolve.insert( 614 std::pair<uint16_t, const DexFile*>(encoded_catch_handler_handlers_type_idx, 615 &mh->GetDexFile())); 616 } 617 // ignore address associated with catch handler 618 DecodeUnsignedLeb128(&encoded_catch_handler_list); 619 } 620 if (has_catch_all) { 621 // ignore catch all address 622 DecodeUnsignedLeb128(&encoded_catch_handler_list); 623 } 624 } 625} 626 627static bool ResolveCatchBlockExceptionsClassVisitor(mirror::Class* c, void* arg) 628 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 629 std::set<std::pair<uint16_t, const DexFile*> >* exceptions_to_resolve = 630 reinterpret_cast<std::set<std::pair<uint16_t, const DexFile*> >*>(arg); 631 MethodHelper mh; 632 for (size_t i = 0; i < c->NumVirtualMethods(); ++i) { 633 mirror::AbstractMethod* m = c->GetVirtualMethod(i); 634 mh.ChangeMethod(m); 635 ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 636 } 637 for (size_t i = 0; i < c->NumDirectMethods(); ++i) { 638 mirror::AbstractMethod* m = c->GetDirectMethod(i); 639 mh.ChangeMethod(m); 640 ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 641 } 642 return true; 643} 644 645static bool RecordImageClassesVisitor(mirror::Class* klass, void* arg) 646 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 647 CompilerDriver::DescriptorSet* image_classes = 648 reinterpret_cast<CompilerDriver::DescriptorSet*>(arg); 649 image_classes->insert(ClassHelper(klass).GetDescriptor()); 650 return true; 651} 652 653// Make a list of descriptors for classes to include in the image 654void CompilerDriver::LoadImageClasses(base::TimingLogger& timings) 655 LOCKS_EXCLUDED(Locks::mutator_lock_) { 656 if (image_classes_.get() == NULL) { 657 return; 658 } 659 660 timings.NewSplit("LoadImageClasses"); 661 // Make a first class to load all classes explicitly listed in the file 662 Thread* self = Thread::Current(); 663 ScopedObjectAccess soa(self); 664 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 665 typedef DescriptorSet::iterator It; // TODO: C++0x auto 666 for (It it = image_classes_->begin(), end = image_classes_->end(); it != end;) { 667 std::string descriptor(*it); 668 SirtRef<mirror::Class> klass(self, class_linker->FindSystemClass(descriptor.c_str())); 669 if (klass.get() == NULL) { 670 image_classes_->erase(it++); 671 LOG(WARNING) << "Failed to find class " << descriptor; 672 Thread::Current()->ClearException(); 673 } else { 674 ++it; 675 } 676 } 677 678 // Resolve exception classes referenced by the loaded classes. The catch logic assumes 679 // exceptions are resolved by the verifier when there is a catch block in an interested method. 680 // Do this here so that exception classes appear to have been specified image classes. 681 std::set<std::pair<uint16_t, const DexFile*> > unresolved_exception_types; 682 SirtRef<mirror::Class> java_lang_Throwable(self, 683 class_linker->FindSystemClass("Ljava/lang/Throwable;")); 684 do { 685 unresolved_exception_types.clear(); 686 class_linker->VisitClasses(ResolveCatchBlockExceptionsClassVisitor, 687 &unresolved_exception_types); 688 typedef std::set<std::pair<uint16_t, const DexFile*> >::const_iterator It; // TODO: C++0x auto 689 for (It it = unresolved_exception_types.begin(), 690 end = unresolved_exception_types.end(); 691 it != end; ++it) { 692 uint16_t exception_type_idx = it->first; 693 const DexFile* dex_file = it->second; 694 mirror::DexCache* dex_cache = class_linker->FindDexCache(*dex_file); 695 mirror:: ClassLoader* class_loader = NULL; 696 SirtRef<mirror::Class> klass(self, class_linker->ResolveType(*dex_file, exception_type_idx, 697 dex_cache, class_loader)); 698 if (klass.get() == NULL) { 699 const DexFile::TypeId& type_id = dex_file->GetTypeId(exception_type_idx); 700 const char* descriptor = dex_file->GetTypeDescriptor(type_id); 701 LOG(FATAL) << "Failed to resolve class " << descriptor; 702 } 703 DCHECK(java_lang_Throwable->IsAssignableFrom(klass.get())); 704 } 705 // Resolving exceptions may load classes that reference more exceptions, iterate until no 706 // more are found 707 } while (!unresolved_exception_types.empty()); 708 709 // We walk the roots looking for classes so that we'll pick up the 710 // above classes plus any classes them depend on such super 711 // classes, interfaces, and the required ClassLinker roots. 712 class_linker->VisitClasses(RecordImageClassesVisitor, image_classes_.get()); 713 714 CHECK_NE(image_classes_->size(), 0U); 715} 716 717static void MaybeAddToImageClasses(mirror::Class* klass, CompilerDriver::DescriptorSet* image_classes) 718 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 719 while (!klass->IsObjectClass()) { 720 ClassHelper kh(klass); 721 const char* descriptor = kh.GetDescriptor(); 722 std::pair<CompilerDriver::DescriptorSet::iterator, bool> result = 723 image_classes->insert(descriptor); 724 if (result.second) { 725 LOG(INFO) << "Adding " << descriptor << " to image classes"; 726 } else { 727 return; 728 } 729 for (size_t i = 0; i < kh.NumDirectInterfaces(); ++i) { 730 MaybeAddToImageClasses(kh.GetDirectInterface(i), image_classes); 731 } 732 if (klass->IsArrayClass()) { 733 MaybeAddToImageClasses(klass->GetComponentType(), image_classes); 734 } 735 klass = klass->GetSuperClass(); 736 } 737} 738 739void CompilerDriver::FindClinitImageClassesCallback(mirror::Object* object, void* arg) { 740 DCHECK(object != NULL); 741 DCHECK(arg != NULL); 742 CompilerDriver* compiler_driver = reinterpret_cast<CompilerDriver*>(arg); 743 MaybeAddToImageClasses(object->GetClass(), compiler_driver->image_classes_.get()); 744} 745 746void CompilerDriver::UpdateImageClasses(base::TimingLogger& timings) { 747 if (image_classes_.get() == NULL) { 748 return; 749 } 750 751 timings.NewSplit("UpdateImageClasses"); 752 753 // Update image_classes_ with classes for objects created by <clinit> methods. 754 Thread* self = Thread::Current(); 755 const char* old_cause = self->StartAssertNoThreadSuspension("ImageWriter"); 756 gc::Heap* heap = Runtime::Current()->GetHeap(); 757 // TODO: Image spaces only? 758 WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 759 heap->FlushAllocStack(); 760 heap->GetLiveBitmap()->Walk(FindClinitImageClassesCallback, this); 761 self->EndAssertNoThreadSuspension(old_cause); 762} 763 764void CompilerDriver::RecordClassStatus(ClassReference ref, CompiledClass* compiled_class) { 765 MutexLock mu(Thread::Current(), CompilerDriver::compiled_classes_lock_); 766 compiled_classes_.Put(ref, compiled_class); 767} 768 769bool CompilerDriver::CanAssumeTypeIsPresentInDexCache(const DexFile& dex_file, 770 uint32_t type_idx) { 771 if (IsImage() && IsImageClass(dex_file.GetTypeDescriptor(dex_file.GetTypeId(type_idx)))) { 772 if (kIsDebugBuild) { 773 ScopedObjectAccess soa(Thread::Current()); 774 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 775 mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 776 CHECK(resolved_class != NULL); 777 } 778 stats_->TypeInDexCache(); 779 return true; 780 } else { 781 stats_->TypeNotInDexCache(); 782 return false; 783 } 784} 785 786bool CompilerDriver::CanAssumeStringIsPresentInDexCache(const DexFile& dex_file, 787 uint32_t string_idx) { 788 // See also Compiler::ResolveDexFile 789 790 bool result = false; 791 if (IsImage()) { 792 // We resolve all const-string strings when building for the image. 793 ScopedObjectAccess soa(Thread::Current()); 794 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 795 Runtime::Current()->GetClassLinker()->ResolveString(dex_file, string_idx, dex_cache); 796 result = true; 797 } 798 if (result) { 799 stats_->StringInDexCache(); 800 } else { 801 stats_->StringNotInDexCache(); 802 } 803 return result; 804} 805 806bool CompilerDriver::CanAccessTypeWithoutChecks(uint32_t referrer_idx, const DexFile& dex_file, 807 uint32_t type_idx, 808 bool* type_known_final, bool* type_known_abstract, 809 bool* equals_referrers_class) { 810 if (type_known_final != NULL) { 811 *type_known_final = false; 812 } 813 if (type_known_abstract != NULL) { 814 *type_known_abstract = false; 815 } 816 if (equals_referrers_class != NULL) { 817 *equals_referrers_class = false; 818 } 819 ScopedObjectAccess soa(Thread::Current()); 820 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 821 // Get type from dex cache assuming it was populated by the verifier 822 mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 823 if (resolved_class == NULL) { 824 stats_->TypeNeedsAccessCheck(); 825 return false; // Unknown class needs access checks. 826 } 827 const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 828 if (equals_referrers_class != NULL) { 829 *equals_referrers_class = (method_id.class_idx_ == type_idx); 830 } 831 mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 832 if (referrer_class == NULL) { 833 stats_->TypeNeedsAccessCheck(); 834 return false; // Incomplete referrer knowledge needs access check. 835 } 836 // Perform access check, will return true if access is ok or false if we're going to have to 837 // check this at runtime (for example for class loaders). 838 bool result = referrer_class->CanAccess(resolved_class); 839 if (result) { 840 stats_->TypeDoesntNeedAccessCheck(); 841 if (type_known_final != NULL) { 842 *type_known_final = resolved_class->IsFinal() && !resolved_class->IsArrayClass(); 843 } 844 if (type_known_abstract != NULL) { 845 *type_known_abstract = resolved_class->IsAbstract() && !resolved_class->IsArrayClass(); 846 } 847 } else { 848 stats_->TypeNeedsAccessCheck(); 849 } 850 return result; 851} 852 853bool CompilerDriver::CanAccessInstantiableTypeWithoutChecks(uint32_t referrer_idx, 854 const DexFile& dex_file, 855 uint32_t type_idx) { 856 ScopedObjectAccess soa(Thread::Current()); 857 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 858 // Get type from dex cache assuming it was populated by the verifier. 859 mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 860 if (resolved_class == NULL) { 861 stats_->TypeNeedsAccessCheck(); 862 return false; // Unknown class needs access checks. 863 } 864 const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 865 mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 866 if (referrer_class == NULL) { 867 stats_->TypeNeedsAccessCheck(); 868 return false; // Incomplete referrer knowledge needs access check. 869 } 870 // Perform access and instantiable checks, will return true if access is ok or false if we're 871 // going to have to check this at runtime (for example for class loaders). 872 bool result = referrer_class->CanAccess(resolved_class) && resolved_class->IsInstantiable(); 873 if (result) { 874 stats_->TypeDoesntNeedAccessCheck(); 875 } else { 876 stats_->TypeNeedsAccessCheck(); 877 } 878 return result; 879} 880 881static mirror::Class* ComputeCompilingMethodsClass(ScopedObjectAccess& soa, 882 mirror::DexCache* dex_cache, 883 const DexCompilationUnit* mUnit) 884 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 885 // The passed dex_cache is a hint, sanity check before asking the class linker that will take a 886 // lock. 887 if (dex_cache->GetDexFile() != mUnit->GetDexFile()) { 888 dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 889 } 890 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 891 const DexFile::MethodId& referrer_method_id = mUnit->GetDexFile()->GetMethodId(mUnit->GetDexMethodIndex()); 892 return mUnit->GetClassLinker()->ResolveType(*mUnit->GetDexFile(), referrer_method_id.class_idx_, 893 dex_cache, class_loader); 894} 895 896static mirror::Field* ComputeFieldReferencedFromCompilingMethod(ScopedObjectAccess& soa, 897 const DexCompilationUnit* mUnit, 898 uint32_t field_idx) 899 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 900 mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 901 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 902 return mUnit->GetClassLinker()->ResolveField(*mUnit->GetDexFile(), field_idx, dex_cache, 903 class_loader, false); 904} 905 906static mirror::AbstractMethod* ComputeMethodReferencedFromCompilingMethod(ScopedObjectAccess& soa, 907 const DexCompilationUnit* mUnit, 908 uint32_t method_idx, 909 InvokeType type) 910 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 911 mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 912 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 913 return mUnit->GetClassLinker()->ResolveMethod(*mUnit->GetDexFile(), method_idx, dex_cache, 914 class_loader, NULL, type); 915} 916 917bool CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 918 int& field_offset, bool& is_volatile, bool is_put) { 919 ScopedObjectAccess soa(Thread::Current()); 920 // Conservative defaults. 921 field_offset = -1; 922 is_volatile = true; 923 // Try to resolve field and ignore if an Incompatible Class Change Error (ie is static). 924 mirror::Field* resolved_field = ComputeFieldReferencedFromCompilingMethod(soa, mUnit, field_idx); 925 if (resolved_field != NULL && !resolved_field->IsStatic()) { 926 mirror::Class* referrer_class = 927 ComputeCompilingMethodsClass(soa, resolved_field->GetDeclaringClass()->GetDexCache(), 928 mUnit); 929 if (referrer_class != NULL) { 930 mirror::Class* fields_class = resolved_field->GetDeclaringClass(); 931 bool access_ok = referrer_class->CanAccess(fields_class) && 932 referrer_class->CanAccessMember(fields_class, 933 resolved_field->GetAccessFlags()); 934 if (!access_ok) { 935 // The referring class can't access the resolved field, this may occur as a result of a 936 // protected field being made public by a sub-class. Resort to the dex file to determine 937 // the correct class for the access check. 938 const DexFile& dex_file = *referrer_class->GetDexCache()->GetDexFile(); 939 mirror::Class* dex_fields_class = mUnit->GetClassLinker()->ResolveType(dex_file, 940 dex_file.GetFieldId(field_idx).class_idx_, 941 referrer_class); 942 access_ok = referrer_class->CanAccess(dex_fields_class) && 943 referrer_class->CanAccessMember(dex_fields_class, 944 resolved_field->GetAccessFlags()); 945 } 946 bool is_write_to_final_from_wrong_class = is_put && resolved_field->IsFinal() && 947 fields_class != referrer_class; 948 if (access_ok && !is_write_to_final_from_wrong_class) { 949 field_offset = resolved_field->GetOffset().Int32Value(); 950 is_volatile = resolved_field->IsVolatile(); 951 stats_->ResolvedInstanceField(); 952 return true; // Fast path. 953 } 954 } 955 } 956 // Clean up any exception left by field/type resolution 957 if (soa.Self()->IsExceptionPending()) { 958 soa.Self()->ClearException(); 959 } 960 stats_->UnresolvedInstanceField(); 961 return false; // Incomplete knowledge needs slow path. 962} 963 964bool CompilerDriver::ComputeStaticFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 965 int& field_offset, int& ssb_index, 966 bool& is_referrers_class, bool& is_volatile, 967 bool is_put) { 968 ScopedObjectAccess soa(Thread::Current()); 969 // Conservative defaults. 970 field_offset = -1; 971 ssb_index = -1; 972 is_referrers_class = false; 973 is_volatile = true; 974 // Try to resolve field and ignore if an Incompatible Class Change Error (ie isn't static). 975 mirror::Field* resolved_field = ComputeFieldReferencedFromCompilingMethod(soa, mUnit, field_idx); 976 if (resolved_field != NULL && resolved_field->IsStatic()) { 977 mirror::Class* referrer_class = 978 ComputeCompilingMethodsClass(soa, resolved_field->GetDeclaringClass()->GetDexCache(), 979 mUnit); 980 if (referrer_class != NULL) { 981 mirror::Class* fields_class = resolved_field->GetDeclaringClass(); 982 if (fields_class == referrer_class) { 983 is_referrers_class = true; // implies no worrying about class initialization 984 field_offset = resolved_field->GetOffset().Int32Value(); 985 is_volatile = resolved_field->IsVolatile(); 986 stats_->ResolvedLocalStaticField(); 987 return true; // fast path 988 } else { 989 bool access_ok = referrer_class->CanAccess(fields_class) && 990 referrer_class->CanAccessMember(fields_class, 991 resolved_field->GetAccessFlags()); 992 if (!access_ok) { 993 // The referring class can't access the resolved field, this may occur as a result of a 994 // protected field being made public by a sub-class. Resort to the dex file to determine 995 // the correct class for the access check. Don't change the field's class as that is 996 // used to identify the SSB. 997 const DexFile& dex_file = *referrer_class->GetDexCache()->GetDexFile(); 998 mirror::Class* dex_fields_class = 999 mUnit->GetClassLinker()->ResolveType(dex_file, 1000 dex_file.GetFieldId(field_idx).class_idx_, 1001 referrer_class); 1002 access_ok = referrer_class->CanAccess(dex_fields_class) && 1003 referrer_class->CanAccessMember(dex_fields_class, 1004 resolved_field->GetAccessFlags()); 1005 } 1006 bool is_write_to_final_from_wrong_class = is_put && resolved_field->IsFinal(); 1007 if (access_ok && !is_write_to_final_from_wrong_class) { 1008 // We have the resolved field, we must make it into a ssbIndex for the referrer 1009 // in its static storage base (which may fail if it doesn't have a slot for it) 1010 // TODO: for images we can elide the static storage base null check 1011 // if we know there's a non-null entry in the image 1012 mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 1013 if (fields_class->GetDexCache() == dex_cache) { 1014 // common case where the dex cache of both the referrer and the field are the same, 1015 // no need to search the dex file 1016 ssb_index = fields_class->GetDexTypeIndex(); 1017 field_offset = resolved_field->GetOffset().Int32Value(); 1018 is_volatile = resolved_field->IsVolatile(); 1019 stats_->ResolvedStaticField(); 1020 return true; 1021 } 1022 // Search dex file for localized ssb index, may fail if field's class is a parent 1023 // of the class mentioned in the dex file and there is no dex cache entry. 1024 const DexFile::StringId* string_id = 1025 mUnit->GetDexFile()->FindStringId(FieldHelper(resolved_field).GetDeclaringClassDescriptor()); 1026 if (string_id != NULL) { 1027 const DexFile::TypeId* type_id = 1028 mUnit->GetDexFile()->FindTypeId(mUnit->GetDexFile()->GetIndexForStringId(*string_id)); 1029 if (type_id != NULL) { 1030 // medium path, needs check of static storage base being initialized 1031 ssb_index = mUnit->GetDexFile()->GetIndexForTypeId(*type_id); 1032 field_offset = resolved_field->GetOffset().Int32Value(); 1033 is_volatile = resolved_field->IsVolatile(); 1034 stats_->ResolvedStaticField(); 1035 return true; 1036 } 1037 } 1038 } 1039 } 1040 } 1041 } 1042 // Clean up any exception left by field/type resolution 1043 if (soa.Self()->IsExceptionPending()) { 1044 soa.Self()->ClearException(); 1045 } 1046 stats_->UnresolvedStaticField(); 1047 return false; // Incomplete knowledge needs slow path. 1048} 1049 1050void CompilerDriver::GetCodeAndMethodForDirectCall(InvokeType type, InvokeType sharp_type, 1051 mirror::Class* referrer_class, 1052 mirror::AbstractMethod* method, 1053 uintptr_t& direct_code, 1054 uintptr_t& direct_method, 1055 bool update_stats) { 1056 // For direct and static methods compute possible direct_code and direct_method values, ie 1057 // an address for the Method* being invoked and an address of the code for that Method*. 1058 // For interface calls compute a value for direct_method that is the interface method being 1059 // invoked, so this can be passed to the out-of-line runtime support code. 1060 direct_code = 0; 1061 direct_method = 0; 1062 if (compiler_backend_ == kPortable) { 1063 if (sharp_type != kStatic && sharp_type != kDirect) { 1064 return; 1065 } 1066 } else { 1067 if (sharp_type != kStatic && sharp_type != kDirect && sharp_type != kInterface) { 1068 return; 1069 } 1070 } 1071 bool method_code_in_boot = method->GetDeclaringClass()->GetClassLoader() == NULL; 1072 if (!method_code_in_boot) { 1073 return; 1074 } 1075 bool has_clinit_trampoline = method->IsStatic() && !method->GetDeclaringClass()->IsInitialized(); 1076 if (has_clinit_trampoline && (method->GetDeclaringClass() != referrer_class)) { 1077 // Ensure we run the clinit trampoline unless we are invoking a static method in the same class. 1078 return; 1079 } 1080 if (update_stats) { 1081 if (sharp_type != kInterface) { // Interfaces always go via a trampoline. 1082 stats_->DirectCallsToBoot(type); 1083 } 1084 stats_->DirectMethodsToBoot(type); 1085 } 1086 bool compiling_boot = Runtime::Current()->GetHeap()->GetContinuousSpaces().size() == 1; 1087 if (compiling_boot) { 1088 if (support_boot_image_fixup_) { 1089 MethodHelper mh(method); 1090 if (IsImageClass(mh.GetDeclaringClassDescriptor())) { 1091 // We can only branch directly to Methods that are resolved in the DexCache. 1092 // Otherwise we won't invoke the resolution trampoline. 1093 direct_method = -1; 1094 direct_code = -1; 1095 } 1096 } 1097 } else { 1098 if (Runtime::Current()->GetHeap()->FindSpaceFromObject(method, false)->IsImageSpace()) { 1099 direct_method = reinterpret_cast<uintptr_t>(method); 1100 } 1101 direct_code = reinterpret_cast<uintptr_t>(method->GetEntryPointFromCompiledCode()); 1102 } 1103} 1104 1105bool CompilerDriver::ComputeInvokeInfo(const DexCompilationUnit* mUnit, const uint32_t dex_pc, 1106 InvokeType& invoke_type, 1107 MethodReference& target_method, 1108 int& vtable_idx, 1109 uintptr_t& direct_code, uintptr_t& direct_method, 1110 bool update_stats) { 1111 ScopedObjectAccess soa(Thread::Current()); 1112 vtable_idx = -1; 1113 direct_code = 0; 1114 direct_method = 0; 1115 mirror::AbstractMethod* resolved_method = 1116 ComputeMethodReferencedFromCompilingMethod(soa, mUnit, target_method.dex_method_index, 1117 invoke_type); 1118 if (resolved_method != NULL) { 1119 // Don't try to fast-path if we don't understand the caller's class or this appears to be an 1120 // Incompatible Class Change Error. 1121 mirror::Class* referrer_class = 1122 ComputeCompilingMethodsClass(soa, resolved_method->GetDeclaringClass()->GetDexCache(), 1123 mUnit); 1124 bool icce = resolved_method->CheckIncompatibleClassChange(invoke_type); 1125 if (referrer_class != NULL && !icce) { 1126 mirror::Class* methods_class = resolved_method->GetDeclaringClass(); 1127 if (!referrer_class->CanAccess(methods_class) || 1128 !referrer_class->CanAccessMember(methods_class, 1129 resolved_method->GetAccessFlags())) { 1130 // The referring class can't access the resolved method, this may occur as a result of a 1131 // protected method being made public by implementing an interface that re-declares the 1132 // method public. Resort to the dex file to determine the correct class for the access 1133 // check. 1134 uint16_t class_idx = 1135 target_method.dex_file->GetMethodId(target_method.dex_method_index).class_idx_; 1136 methods_class = mUnit->GetClassLinker()->ResolveType(*target_method.dex_file, 1137 class_idx, referrer_class); 1138 } 1139 if (referrer_class->CanAccess(methods_class) && 1140 referrer_class->CanAccessMember(methods_class, resolved_method->GetAccessFlags())) { 1141 const bool kEnableFinalBasedSharpening = true; 1142 // Sharpen a virtual call into a direct call when the target is known not to have been 1143 // overridden (ie is final). 1144 bool can_sharpen_virtual_based_on_type = 1145 (invoke_type == kVirtual) && (resolved_method->IsFinal() || methods_class->IsFinal()); 1146 // For invoke-super, ensure the vtable index will be correct to dispatch in the vtable of 1147 // the super class. 1148 bool can_sharpen_super_based_on_type = (invoke_type == kSuper) && 1149 (referrer_class != methods_class) && referrer_class->IsSubClass(methods_class) && 1150 resolved_method->GetMethodIndex() < methods_class->GetVTable()->GetLength() && 1151 (methods_class->GetVTable()->Get(resolved_method->GetMethodIndex()) == resolved_method); 1152 1153 if (kEnableFinalBasedSharpening && (can_sharpen_virtual_based_on_type || 1154 can_sharpen_super_based_on_type)) { 1155 // Sharpen a virtual call into a direct call. The method_idx is into referrer's 1156 // dex cache, check that this resolved method is where we expect it. 1157 CHECK(referrer_class->GetDexCache()->GetResolvedMethod(target_method.dex_method_index) == 1158 resolved_method) << PrettyMethod(resolved_method); 1159 if (update_stats) { 1160 stats_->ResolvedMethod(invoke_type); 1161 stats_->VirtualMadeDirect(invoke_type); 1162 } 1163 GetCodeAndMethodForDirectCall(invoke_type, kDirect, referrer_class, resolved_method, 1164 direct_code, direct_method, update_stats); 1165 invoke_type = kDirect; 1166 return true; 1167 } 1168 const bool kEnableVerifierBasedSharpening = true; 1169 if (kEnableVerifierBasedSharpening && (invoke_type == kVirtual || 1170 invoke_type == kInterface)) { 1171 // Did the verifier record a more precise invoke target based on its type information? 1172 const MethodReference caller_method(mUnit->GetDexFile(), mUnit->GetDexMethodIndex()); 1173 const MethodReference* devirt_map_target = 1174 verifier::MethodVerifier::GetDevirtMap(caller_method, dex_pc); 1175 if (devirt_map_target != NULL) { 1176 mirror::DexCache* target_dex_cache = 1177 mUnit->GetClassLinker()->FindDexCache(*devirt_map_target->dex_file); 1178 mirror::ClassLoader* class_loader = 1179 soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 1180 mirror::AbstractMethod* called_method = 1181 mUnit->GetClassLinker()->ResolveMethod(*devirt_map_target->dex_file, 1182 devirt_map_target->dex_method_index, 1183 target_dex_cache, class_loader, NULL, 1184 kVirtual); 1185 CHECK(called_method != NULL); 1186 CHECK(!called_method->IsAbstract()); 1187 GetCodeAndMethodForDirectCall(invoke_type, kDirect, referrer_class, called_method, 1188 direct_code, direct_method, update_stats); 1189 bool compiler_needs_dex_cache = 1190 (GetCompilerBackend() == kPortable) || 1191 (GetCompilerBackend() == kQuick && instruction_set_ != kThumb2) || 1192 (direct_code == 0) || (direct_code == static_cast<unsigned int>(-1)) || 1193 (direct_method == 0) || (direct_method == static_cast<unsigned int>(-1)); 1194 if ((devirt_map_target->dex_file != target_method.dex_file) && 1195 compiler_needs_dex_cache) { 1196 // We need to use the dex cache to find either the method or code, and the dex file 1197 // containing the method isn't the one expected for the target method. Try to find 1198 // the method within the expected target dex file. 1199 // TODO: the -1 could be handled as direct code if the patching new the target dex 1200 // file. 1201 // TODO: quick only supports direct pointers with Thumb2. 1202 // TODO: the following should be factored into a common helper routine to find 1203 // one dex file's method within another. 1204 const DexFile* dexfile = target_method.dex_file; 1205 const DexFile* cm_dexfile = 1206 called_method->GetDeclaringClass()->GetDexCache()->GetDexFile(); 1207 const DexFile::MethodId& cm_method_id = 1208 cm_dexfile->GetMethodId(called_method->GetDexMethodIndex()); 1209 const char* cm_descriptor = cm_dexfile->StringByTypeIdx(cm_method_id.class_idx_); 1210 const DexFile::StringId* descriptor = dexfile->FindStringId(cm_descriptor); 1211 if (descriptor != NULL) { 1212 const DexFile::TypeId* type_id = 1213 dexfile->FindTypeId(dexfile->GetIndexForStringId(*descriptor)); 1214 if (type_id != NULL) { 1215 const char* cm_name = cm_dexfile->GetMethodName(cm_method_id); 1216 const DexFile::StringId* name = dexfile->FindStringId(cm_name); 1217 if (name != NULL) { 1218 uint16_t return_type_idx; 1219 std::vector<uint16_t> param_type_idxs; 1220 bool success = dexfile->CreateTypeList(&return_type_idx, ¶m_type_idxs, 1221 cm_dexfile->GetMethodSignature(cm_method_id)); 1222 if (success) { 1223 const DexFile::ProtoId* sig = 1224 dexfile->FindProtoId(return_type_idx, param_type_idxs); 1225 if (sig != NULL) { 1226 const DexFile::MethodId* method_id = dexfile->FindMethodId(*type_id, 1227 *name, *sig); 1228 if (method_id != NULL) { 1229 if (update_stats) { 1230 stats_->ResolvedMethod(invoke_type); 1231 stats_->VirtualMadeDirect(invoke_type); 1232 stats_->PreciseTypeDevirtualization(); 1233 } 1234 target_method.dex_method_index = dexfile->GetIndexForMethodId(*method_id); 1235 invoke_type = kDirect; 1236 return true; 1237 } 1238 } 1239 } 1240 } 1241 } 1242 } 1243 // TODO: the stats for direct code and method are off as we failed to find the direct 1244 // method in the referring method's dex cache/file. 1245 } else { 1246 if (update_stats) { 1247 stats_->ResolvedMethod(invoke_type); 1248 stats_->VirtualMadeDirect(invoke_type); 1249 stats_->PreciseTypeDevirtualization(); 1250 } 1251 target_method = *devirt_map_target; 1252 invoke_type = kDirect; 1253 return true; 1254 } 1255 } 1256 } 1257 if (invoke_type == kSuper) { 1258 // Unsharpened super calls are suspicious so go slow-path. 1259 } else { 1260 // Sharpening failed so generate a regular resolved method dispatch. 1261 if (update_stats) { 1262 stats_->ResolvedMethod(invoke_type); 1263 } 1264 if (invoke_type == kVirtual || invoke_type == kSuper) { 1265 vtable_idx = resolved_method->GetMethodIndex(); 1266 } 1267 GetCodeAndMethodForDirectCall(invoke_type, invoke_type, referrer_class, resolved_method, 1268 direct_code, direct_method, update_stats); 1269 return true; 1270 } 1271 } 1272 } 1273 } 1274 // Clean up any exception left by method/invoke_type resolution 1275 if (soa.Self()->IsExceptionPending()) { 1276 soa.Self()->ClearException(); 1277 } 1278 if (update_stats) { 1279 stats_->UnresolvedMethod(invoke_type); 1280 } 1281 return false; // Incomplete knowledge needs slow path. 1282} 1283 1284bool CompilerDriver::IsSafeCast(const MethodReference& mr, uint32_t dex_pc) { 1285 bool result = verifier::MethodVerifier::IsSafeCast(mr, dex_pc); 1286 if (result) { 1287 stats_->SafeCast(); 1288 } else { 1289 stats_->NotASafeCast(); 1290 } 1291 return result; 1292} 1293 1294 1295void CompilerDriver::AddCodePatch(const DexFile* dex_file, 1296 uint32_t referrer_method_idx, 1297 InvokeType referrer_invoke_type, 1298 uint32_t target_method_idx, 1299 InvokeType target_invoke_type, 1300 size_t literal_offset) { 1301 MutexLock mu(Thread::Current(), compiled_methods_lock_); 1302 code_to_patch_.push_back(new PatchInformation(dex_file, 1303 referrer_method_idx, 1304 referrer_invoke_type, 1305 target_method_idx, 1306 target_invoke_type, 1307 literal_offset)); 1308} 1309void CompilerDriver::AddMethodPatch(const DexFile* dex_file, 1310 uint32_t referrer_method_idx, 1311 InvokeType referrer_invoke_type, 1312 uint32_t target_method_idx, 1313 InvokeType target_invoke_type, 1314 size_t literal_offset) { 1315 MutexLock mu(Thread::Current(), compiled_methods_lock_); 1316 methods_to_patch_.push_back(new PatchInformation(dex_file, 1317 referrer_method_idx, 1318 referrer_invoke_type, 1319 target_method_idx, 1320 target_invoke_type, 1321 literal_offset)); 1322} 1323 1324class ParallelCompilationManager { 1325 public: 1326 typedef void Callback(const ParallelCompilationManager* manager, size_t index); 1327 1328 ParallelCompilationManager(ClassLinker* class_linker, 1329 jobject class_loader, 1330 CompilerDriver* compiler, 1331 const DexFile* dex_file, 1332 ThreadPool& thread_pool) 1333 : class_linker_(class_linker), 1334 class_loader_(class_loader), 1335 compiler_(compiler), 1336 dex_file_(dex_file), 1337 thread_pool_(&thread_pool) {} 1338 1339 ClassLinker* GetClassLinker() const { 1340 CHECK(class_linker_ != NULL); 1341 return class_linker_; 1342 } 1343 1344 jobject GetClassLoader() const { 1345 return class_loader_; 1346 } 1347 1348 CompilerDriver* GetCompiler() const { 1349 CHECK(compiler_ != NULL); 1350 return compiler_; 1351 } 1352 1353 const DexFile* GetDexFile() const { 1354 CHECK(dex_file_ != NULL); 1355 return dex_file_; 1356 } 1357 1358 void ForAll(size_t begin, size_t end, Callback callback, size_t work_units) { 1359 Thread* self = Thread::Current(); 1360 self->AssertNoPendingException(); 1361 CHECK_GT(work_units, 0U); 1362 1363 std::vector<ForAllClosure*> closures(work_units); 1364 for (size_t i = 0; i < work_units; ++i) { 1365 closures[i] = new ForAllClosure(this, begin + i, end, callback, work_units); 1366 thread_pool_->AddTask(self, closures[i]); 1367 } 1368 thread_pool_->StartWorkers(self); 1369 1370 // Ensure we're suspended while we're blocked waiting for the other threads to finish (worker 1371 // thread destructor's called below perform join). 1372 CHECK_NE(self->GetState(), kRunnable); 1373 1374 // Wait for all the worker threads to finish. 1375 thread_pool_->Wait(self, true, false); 1376 } 1377 1378 private: 1379 class ForAllClosure : public Task { 1380 public: 1381 ForAllClosure(ParallelCompilationManager* manager, size_t begin, size_t end, Callback* callback, 1382 size_t stripe) 1383 : manager_(manager), 1384 begin_(begin), 1385 end_(end), 1386 callback_(callback), 1387 stripe_(stripe) {} 1388 1389 virtual void Run(Thread* self) { 1390 for (size_t i = begin_; i < end_; i += stripe_) { 1391 callback_(manager_, i); 1392 self->AssertNoPendingException(); 1393 } 1394 } 1395 1396 virtual void Finalize() { 1397 delete this; 1398 } 1399 1400 private: 1401 const ParallelCompilationManager* const manager_; 1402 const size_t begin_; 1403 const size_t end_; 1404 const Callback* const callback_; 1405 const size_t stripe_; 1406 }; 1407 1408 ClassLinker* const class_linker_; 1409 const jobject class_loader_; 1410 CompilerDriver* const compiler_; 1411 const DexFile* const dex_file_; 1412 ThreadPool* const thread_pool_; 1413}; 1414 1415// Return true if the class should be skipped during compilation. We 1416// never skip classes in the boot class loader. However, if we have a 1417// non-boot class loader and we can resolve the class in the boot 1418// class loader, we do skip the class. This happens if an app bundles 1419// classes found in the boot classpath. Since at runtime we will 1420// select the class from the boot classpath, do not attempt to resolve 1421// or compile it now. 1422static bool SkipClass(mirror::ClassLoader* class_loader, 1423 const DexFile& dex_file, 1424 const DexFile::ClassDef& class_def) 1425 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1426 if (class_loader == NULL) { 1427 return false; 1428 } 1429 const char* descriptor = dex_file.GetClassDescriptor(class_def); 1430 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1431 mirror::Class* klass = class_linker->FindClass(descriptor, NULL); 1432 if (klass == NULL) { 1433 Thread* self = Thread::Current(); 1434 CHECK(self->IsExceptionPending()); 1435 self->ClearException(); 1436 return false; 1437 } 1438 return true; 1439} 1440 1441static void ResolveClassFieldsAndMethods(const ParallelCompilationManager* manager, size_t class_def_index) 1442 LOCKS_EXCLUDED(Locks::mutator_lock_) { 1443 ScopedObjectAccess soa(Thread::Current()); 1444 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()); 1445 const DexFile& dex_file = *manager->GetDexFile(); 1446 1447 // Method and Field are the worst. We can't resolve without either 1448 // context from the code use (to disambiguate virtual vs direct 1449 // method and instance vs static field) or from class 1450 // definitions. While the compiler will resolve what it can as it 1451 // needs it, here we try to resolve fields and methods used in class 1452 // definitions, since many of them many never be referenced by 1453 // generated code. 1454 const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 1455 if (SkipClass(class_loader, dex_file, class_def)) { 1456 return; 1457 } 1458 1459 // Note the class_data pointer advances through the headers, 1460 // static fields, instance fields, direct methods, and virtual 1461 // methods. 1462 const byte* class_data = dex_file.GetClassData(class_def); 1463 if (class_data == NULL) { 1464 // empty class such as a marker interface 1465 return; 1466 } 1467 Thread* self = Thread::Current(); 1468 ClassLinker* class_linker = manager->GetClassLinker(); 1469 mirror::DexCache* dex_cache = class_linker->FindDexCache(dex_file); 1470 ClassDataItemIterator it(dex_file, class_data); 1471 while (it.HasNextStaticField()) { 1472 mirror::Field* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), dex_cache, 1473 class_loader, true); 1474 if (field == NULL) { 1475 CHECK(self->IsExceptionPending()); 1476 self->ClearException(); 1477 } 1478 it.Next(); 1479 } 1480 // If an instance field is final then we need to have a barrier on the return, static final 1481 // fields are assigned within the lock held for class initialization. 1482 bool requires_constructor_barrier = false; 1483 while (it.HasNextInstanceField()) { 1484 if ((it.GetMemberAccessFlags() & kAccFinal) != 0) { 1485 requires_constructor_barrier = true; 1486 } 1487 1488 mirror::Field* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), dex_cache, 1489 class_loader, false); 1490 if (field == NULL) { 1491 CHECK(self->IsExceptionPending()); 1492 self->ClearException(); 1493 } 1494 it.Next(); 1495 } 1496 if (requires_constructor_barrier) { 1497 manager->GetCompiler()->AddRequiresConstructorBarrier(soa.Self(), manager->GetDexFile(), 1498 class_def_index); 1499 } 1500 while (it.HasNextDirectMethod()) { 1501 mirror::AbstractMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 1502 dex_cache, class_loader, NULL, 1503 it.GetMethodInvokeType(class_def)); 1504 if (method == NULL) { 1505 CHECK(self->IsExceptionPending()); 1506 self->ClearException(); 1507 } 1508 it.Next(); 1509 } 1510 while (it.HasNextVirtualMethod()) { 1511 mirror::AbstractMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 1512 dex_cache, class_loader, NULL, 1513 it.GetMethodInvokeType(class_def)); 1514 if (method == NULL) { 1515 CHECK(self->IsExceptionPending()); 1516 self->ClearException(); 1517 } 1518 it.Next(); 1519 } 1520 DCHECK(!it.HasNext()); 1521} 1522 1523static void ResolveType(const ParallelCompilationManager* manager, size_t type_idx) 1524 LOCKS_EXCLUDED(Locks::mutator_lock_) { 1525 // Class derived values are more complicated, they require the linker and loader. 1526 ScopedObjectAccess soa(Thread::Current()); 1527 ClassLinker* class_linker = manager->GetClassLinker(); 1528 const DexFile& dex_file = *manager->GetDexFile(); 1529 mirror::DexCache* dex_cache = class_linker->FindDexCache(dex_file); 1530 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()); 1531 mirror::Class* klass = class_linker->ResolveType(dex_file, type_idx, dex_cache, class_loader); 1532 1533 if (klass == NULL) { 1534 CHECK(soa.Self()->IsExceptionPending()); 1535 Thread::Current()->ClearException(); 1536 } 1537} 1538 1539void CompilerDriver::ResolveDexFile(jobject class_loader, const DexFile& dex_file, 1540 ThreadPool& thread_pool, base::TimingLogger& timings) { 1541 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1542 1543 // TODO: we could resolve strings here, although the string table is largely filled with class 1544 // and method names. 1545 1546 timings.NewSplit(strdup(("Resolve " + dex_file.GetLocation() + " Types").c_str())); 1547 ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool); 1548 context.ForAll(0, dex_file.NumTypeIds(), ResolveType, thread_count_); 1549 1550 timings.NewSplit(strdup(("Resolve " + dex_file.GetLocation() + " MethodsAndFields").c_str())); 1551 context.ForAll(0, dex_file.NumClassDefs(), ResolveClassFieldsAndMethods, thread_count_); 1552} 1553 1554void CompilerDriver::Verify(jobject class_loader, const std::vector<const DexFile*>& dex_files, 1555 ThreadPool& thread_pool, base::TimingLogger& timings) { 1556 for (size_t i = 0; i != dex_files.size(); ++i) { 1557 const DexFile* dex_file = dex_files[i]; 1558 CHECK(dex_file != NULL); 1559 VerifyDexFile(class_loader, *dex_file, thread_pool, timings); 1560 } 1561} 1562 1563static void VerifyClass(const ParallelCompilationManager* manager, size_t class_def_index) 1564 LOCKS_EXCLUDED(Locks::mutator_lock_) { 1565 ScopedObjectAccess soa(Thread::Current()); 1566 const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index); 1567 const char* descriptor = manager->GetDexFile()->GetClassDescriptor(class_def); 1568 mirror::Class* klass = 1569 manager->GetClassLinker()->FindClass(descriptor, 1570 soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader())); 1571 if (klass == NULL) { 1572 CHECK(soa.Self()->IsExceptionPending()); 1573 soa.Self()->ClearException(); 1574 1575 /* 1576 * At compile time, we can still structurally verify the class even if FindClass fails. 1577 * This is to ensure the class is structurally sound for compilation. An unsound class 1578 * will be rejected by the verifier and later skipped during compilation in the compiler. 1579 */ 1580 mirror::DexCache* dex_cache = manager->GetClassLinker()->FindDexCache(*manager->GetDexFile()); 1581 std::string error_msg; 1582 if (verifier::MethodVerifier::VerifyClass(manager->GetDexFile(), 1583 dex_cache, 1584 soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()), 1585 class_def_index, error_msg, true) == 1586 verifier::MethodVerifier::kHardFailure) { 1587 const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index); 1588 LOG(ERROR) << "Verification failed on class " 1589 << PrettyDescriptor(manager->GetDexFile()->GetClassDescriptor(class_def)) 1590 << " because: " << error_msg; 1591 } 1592 return; 1593 } 1594 CHECK(klass->IsResolved()) << PrettyClass(klass); 1595 manager->GetClassLinker()->VerifyClass(klass); 1596 1597 if (klass->IsErroneous()) { 1598 // ClassLinker::VerifyClass throws, which isn't useful in the compiler. 1599 CHECK(soa.Self()->IsExceptionPending()); 1600 soa.Self()->ClearException(); 1601 } 1602 1603 CHECK(klass->IsCompileTimeVerified() || klass->IsErroneous()) 1604 << PrettyDescriptor(klass) << ": state=" << klass->GetStatus(); 1605 soa.Self()->AssertNoPendingException(); 1606} 1607 1608void CompilerDriver::VerifyDexFile(jobject class_loader, const DexFile& dex_file, 1609 ThreadPool& thread_pool, base::TimingLogger& timings) { 1610 timings.NewSplit(strdup(("Verify " + dex_file.GetLocation()).c_str())); 1611 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1612 ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool); 1613 context.ForAll(0, dex_file.NumClassDefs(), VerifyClass, thread_count_); 1614} 1615 1616static const char* class_initializer_black_list[] = { 1617 "Landroid/app/ActivityThread;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1618 "Landroid/bluetooth/BluetoothAudioGateway;", // Calls android.bluetooth.BluetoothAudioGateway.classInitNative(). 1619 "Landroid/bluetooth/HeadsetBase;", // Calls android.bluetooth.HeadsetBase.classInitNative(). 1620 "Landroid/content/res/CompatibilityInfo;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1621 "Landroid/content/res/CompatibilityInfo$1;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1622 "Landroid/content/UriMatcher;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1623 "Landroid/database/CursorWindow;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1624 "Landroid/database/sqlite/SQLiteConnection;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1625 "Landroid/database/sqlite/SQLiteConnection$Operation;", // Requires SimpleDateFormat -> java.util.Locale. 1626 "Landroid/database/sqlite/SQLiteDatabaseConfiguration;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1627 "Landroid/database/sqlite/SQLiteDebug;", // Calls android.util.Log.isLoggable. 1628 "Landroid/database/sqlite/SQLiteOpenHelper;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex. 1629 "Landroid/database/sqlite/SQLiteQueryBuilder;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1630 "Landroid/drm/DrmManagerClient;", // Calls System.loadLibrary. 1631 "Landroid/graphics/drawable/AnimatedRotateDrawable;", // Sub-class of Drawable. 1632 "Landroid/graphics/drawable/AnimationDrawable;", // Sub-class of Drawable. 1633 "Landroid/graphics/drawable/BitmapDrawable;", // Sub-class of Drawable. 1634 "Landroid/graphics/drawable/ClipDrawable;", // Sub-class of Drawable. 1635 "Landroid/graphics/drawable/ColorDrawable;", // Sub-class of Drawable. 1636 "Landroid/graphics/drawable/Drawable;", // Requires android.graphics.Rect. 1637 "Landroid/graphics/drawable/DrawableContainer;", // Sub-class of Drawable. 1638 "Landroid/graphics/drawable/GradientDrawable;", // Sub-class of Drawable. 1639 "Landroid/graphics/drawable/LayerDrawable;", // Sub-class of Drawable. 1640 "Landroid/graphics/drawable/NinePatchDrawable;", // Sub-class of Drawable. 1641 "Landroid/graphics/drawable/RotateDrawable;", // Sub-class of Drawable. 1642 "Landroid/graphics/drawable/ScaleDrawable;", // Sub-class of Drawable. 1643 "Landroid/graphics/drawable/ShapeDrawable;", // Sub-class of Drawable. 1644 "Landroid/graphics/drawable/StateListDrawable;", // Sub-class of Drawable. 1645 "Landroid/graphics/drawable/TransitionDrawable;", // Sub-class of Drawable. 1646 "Landroid/graphics/Matrix;", // Calls android.graphics.Matrix.native_create. 1647 "Landroid/graphics/Matrix$1;", // Requires Matrix. 1648 "Landroid/graphics/PixelFormat;", // Calls android.graphics.PixelFormat.nativeClassInit(). 1649 "Landroid/graphics/Rect;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1650 "Landroid/graphics/SurfaceTexture;", // Calls android.graphics.SurfaceTexture.nativeClassInit(). 1651 "Landroid/graphics/Typeface;", // Calls android.graphics.Typeface.nativeCreate. 1652 "Landroid/inputmethodservice/ExtractEditText;", // Requires android.widget.TextView. 1653 "Landroid/media/AmrInputStream;", // Calls OsConstants.initConstants. 1654 "Landroid/media/CamcorderProfile;", // Calls OsConstants.initConstants. 1655 "Landroid/media/CameraProfile;", // Calls System.loadLibrary. 1656 "Landroid/media/DecoderCapabilities;", // Calls System.loadLibrary. 1657 "Landroid/media/EncoderCapabilities;", // Calls OsConstants.initConstants. 1658 "Landroid/media/ExifInterface;", // Calls OsConstants.initConstants. 1659 "Landroid/media/MediaCodec;", // Calls OsConstants.initConstants. 1660 "Landroid/media/MediaCodecList;", // Calls OsConstants.initConstants. 1661 "Landroid/media/MediaCrypto;", // Calls OsConstants.initConstants. 1662 "Landroid/media/MediaDrm;", // Calls OsConstants.initConstants. 1663 "Landroid/media/MediaExtractor;", // Calls OsConstants.initConstants. 1664 "Landroid/media/MediaFile;", // Requires DecoderCapabilities. 1665 "Landroid/media/MediaMetadataRetriever;", // Calls OsConstants.initConstants. 1666 "Landroid/media/MediaMuxer;", // Calls OsConstants.initConstants. 1667 "Landroid/media/MediaPlayer;", // Calls System.loadLibrary. 1668 "Landroid/media/MediaRecorder;", // Calls System.loadLibrary. 1669 "Landroid/media/MediaScanner;", // Calls System.loadLibrary. 1670 "Landroid/media/ResampleInputStream;", // Calls OsConstants.initConstants. 1671 "Landroid/media/SoundPool;", // Calls OsConstants.initConstants. 1672 "Landroid/media/videoeditor/MediaArtistNativeHelper;", // Calls OsConstants.initConstants. 1673 "Landroid/media/videoeditor/VideoEditorProfile;", // Calls OsConstants.initConstants. 1674 "Landroid/mtp/MtpDatabase;", // Calls OsConstants.initConstants. 1675 "Landroid/mtp/MtpDevice;", // Calls OsConstants.initConstants. 1676 "Landroid/mtp/MtpServer;", // Calls OsConstants.initConstants. 1677 "Landroid/net/NetworkInfo;", // Calls java.util.EnumMap.<init> -> java.lang.Enum.getSharedConstants -> System.identityHashCode. 1678 "Landroid/net/Proxy;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1679 "Landroid/net/SSLCertificateSocketFactory;", // Requires javax.net.ssl.HttpsURLConnection. 1680 "Landroid/net/Uri;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex. 1681 "Landroid/net/Uri$AbstractHierarchicalUri;", // Requires Uri. 1682 "Landroid/net/Uri$HierarchicalUri;", // Requires Uri. 1683 "Landroid/net/Uri$OpaqueUri;", // Requires Uri. 1684 "Landroid/net/Uri$StringUri;", // Requires Uri. 1685 "Landroid/net/WebAddress;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1686 "Landroid/nfc/NdefRecord;", // Calls String.getBytes -> java.nio.charset.Charset. 1687 "Landroid/opengl/EGL14;", // Calls android.opengl.EGL14._nativeClassInit. 1688 "Landroid/opengl/GLES10;", // Calls android.opengl.GLES10._nativeClassInit. 1689 "Landroid/opengl/GLES10Ext;", // Calls android.opengl.GLES10Ext._nativeClassInit. 1690 "Landroid/opengl/GLES11;", // Requires GLES10. 1691 "Landroid/opengl/GLES11Ext;", // Calls android.opengl.GLES11Ext._nativeClassInit. 1692 "Landroid/opengl/GLES20;", // Calls android.opengl.GLES20._nativeClassInit. 1693 "Landroid/opengl/GLUtils;", // Calls android.opengl.GLUtils.nativeClassInit. 1694 "Landroid/os/Build;", // Calls -..-> android.os.SystemProperties.native_get. 1695 "Landroid/os/Build$VERSION;", // Requires Build. 1696 "Landroid/os/Debug;", // Requires android.os.Environment. 1697 "Landroid/os/Environment;", // Calls System.getenv. 1698 "Landroid/os/FileUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1699 "Landroid/os/StrictMode;", // Calls android.util.Log.isLoggable. 1700 "Landroid/os/StrictMode$VmPolicy;", // Requires StrictMode. 1701 "Landroid/os/Trace;", // Calls android.os.Trace.nativeGetEnabledTags. 1702 "Landroid/os/UEventObserver;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex. 1703 "Landroid/provider/ContactsContract;", // Calls OsConstants.initConstants. 1704 "Landroid/provider/Settings$Global;", // Calls OsConstants.initConstants. 1705 "Landroid/provider/Settings$Secure;", // Requires android.net.Uri. 1706 "Landroid/provider/Settings$System;", // Requires android.net.Uri. 1707 "Landroid/renderscript/RenderScript;", // Calls System.loadLibrary. 1708 "Landroid/server/BluetoothService;", // Calls android.server.BluetoothService.classInitNative. 1709 "Landroid/server/BluetoothEventLoop;", // Calls android.server.BluetoothEventLoop.classInitNative. 1710 "Landroid/telephony/PhoneNumberUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1711 "Landroid/telephony/TelephonyManager;", // Calls OsConstants.initConstants. 1712 "Landroid/text/AutoText;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1713 "Landroid/text/Layout;", // Calls com.android.internal.util.ArrayUtils.emptyArray -> System.identityHashCode. 1714 "Landroid/text/BoringLayout;", // Requires Layout. 1715 "Landroid/text/DynamicLayout;", // Requires Layout. 1716 "Landroid/text/Html$HtmlParser;", // Calls -..-> String.toLowerCase -> java.util.Locale. 1717 "Landroid/text/StaticLayout;", // Requires Layout. 1718 "Landroid/text/TextUtils;", // Requires android.util.DisplayMetrics. 1719 "Landroid/util/DisplayMetrics;", // Calls SystemProperties.native_get_int. 1720 "Landroid/util/Patterns;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1721 "Landroid/view/Choreographer;", // Calls SystemProperties.native_get_boolean. 1722 "Landroid/util/Patterns;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1723 "Landroid/view/GLES20Canvas;", // Calls GLES20Canvas.nIsAvailable(). 1724 "Landroid/view/GLES20RecordingCanvas;", // Requires android.view.GLES20Canvas. 1725 "Landroid/view/GestureDetector;", // Calls android.view.GLES20Canvas.nIsAvailable. 1726 "Landroid/view/HardwareRenderer$Gl20Renderer;", // Requires SystemProperties.native_get. 1727 "Landroid/view/HardwareRenderer$GlRenderer;", // Requires SystemProperties.native_get. 1728 "Landroid/view/InputEventConsistencyVerifier;", // Requires android.os.Build. 1729 "Landroid/view/Surface;", // Requires SystemProperties.native_get. 1730 "Landroid/view/SurfaceControl;", // Calls OsConstants.initConstants. 1731 "Landroid/view/animation/AlphaAnimation;", // Requires Animation. 1732 "Landroid/view/animation/Animation;", // Calls SystemProperties.native_get_boolean. 1733 "Landroid/view/animation/AnimationSet;", // Calls OsConstants.initConstants. 1734 "Landroid/view/textservice/SpellCheckerSubtype;", // Calls Class.getDex(). 1735 "Landroid/webkit/JniUtil;", // Calls System.loadLibrary. 1736 "Landroid/webkit/PluginManager;", // // Calls OsConstants.initConstants. 1737 "Landroid/webkit/WebViewCore;", // Calls System.loadLibrary. 1738 "Landroid/webkit/WebViewFactory$Preloader;", // Calls to Class.forName. 1739 "Landroid/webkit/WebViewInputDispatcher;", // Calls Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1740 "Landroid/webkit/URLUtil;", // Calls Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1741 "Landroid/widget/AutoCompleteTextView;", // Requires TextView. 1742 "Landroid/widget/Button;", // Requires TextView. 1743 "Landroid/widget/CheckBox;", // Requires TextView. 1744 "Landroid/widget/CheckedTextView;", // Requires TextView. 1745 "Landroid/widget/CompoundButton;", // Requires TextView. 1746 "Landroid/widget/EditText;", // Requires TextView. 1747 "Landroid/widget/NumberPicker;", // Requires java.util.Locale. 1748 "Landroid/widget/ScrollBarDrawable;", // Sub-class of Drawable. 1749 "Landroid/widget/SearchView$SearchAutoComplete;", // Requires TextView. 1750 "Landroid/widget/Switch;", // Requires TextView. 1751 "Landroid/widget/TextView;", // Calls Paint.<init> -> Paint.native_init. 1752 "Lcom/android/i18n/phonenumbers/AsYouTypeFormatter;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1753 "Lcom/android/i18n/phonenumbers/MetadataManager;", // Calls OsConstants.initConstants. 1754 "Lcom/android/i18n/phonenumbers/PhoneNumberMatcher;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1755 "Lcom/android/i18n/phonenumbers/PhoneNumberUtil;", // Requires java.util.logging.LogManager. 1756 "Lcom/android/i18n/phonenumbers/geocoding/AreaCodeMap;", // Calls OsConstants.initConstants. 1757 "Lcom/android/i18n/phonenumbers/geocoding/PhoneNumberOfflineGeocoder;", // Calls OsConstants.initConstants. 1758 "Lcom/android/internal/os/SamplingProfilerIntegration;", // Calls SystemProperties.native_get_int. 1759 "Lcom/android/internal/policy/impl/PhoneWindow;", // Calls android.os.Binder.init. 1760 "Lcom/android/internal/view/menu/ActionMenuItemView;", // Requires TextView. 1761 "Lcom/android/internal/widget/DialogTitle;", // Requires TextView. 1762 "Lcom/android/org/bouncycastle/asn1/StreamUtil;", // Calls Runtime.getRuntime().maxMemory(). 1763 "Lcom/android/org/bouncycastle/asn1/pkcs/MacData;", // Calls native ... -> java.math.NativeBN.BN_new(). 1764 "Lcom/android/org/bouncycastle/asn1/pkcs/RSASSAPSSparams;", // Calls native ... -> java.math.NativeBN.BN_new(). 1765 "Lcom/android/org/bouncycastle/asn1/cms/SignedData;", // Calls native ... -> java.math.NativeBN.BN_new(). 1766 "Lcom/android/org/bouncycastle/asn1/x509/GeneralSubtree;", // Calls native ... -> java.math.NativeBN.BN_new(). 1767 "Lcom/android/org/bouncycastle/asn1/x9/X9ECParameters;", // Calls native ... -> java.math.NativeBN.BN_new(). 1768 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$MD5;", // Requires com.android.org.conscrypt.NativeCrypto. 1769 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA1;", // Requires com.android.org.conscrypt.NativeCrypto. 1770 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA256;", // Requires com.android.org.conscrypt.NativeCrypto. 1771 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA384;", // Requires com.android.org.conscrypt.NativeCrypto. 1772 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA512;", // Requires com.android.org.conscrypt.NativeCrypto. 1773 "Lcom/android/org/bouncycastle/crypto/engines/RSABlindedEngine;", // Calls native ... -> java.math.NativeBN.BN_new(). 1774 "Lcom/android/org/bouncycastle/crypto/generators/DHKeyGeneratorHelper;", // Calls native ... -> java.math.NativeBN.BN_new(). 1775 "Lcom/android/org/bouncycastle/crypto/generators/DHParametersGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1776 "Lcom/android/org/bouncycastle/crypto/generators/DHParametersHelper;", // Calls System.getenv -> OsConstants.initConstants. 1777 "Lcom/android/org/bouncycastle/crypto/generators/DSAKeyPairGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1778 "Lcom/android/org/bouncycastle/crypto/generators/DSAParametersGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1779 "Lcom/android/org/bouncycastle/crypto/generators/RSAKeyPairGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1780 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/dh/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1781 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/dsa/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1782 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$EC;", // Calls OsConstants.initConstants. 1783 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDH;", // Calls OsConstants.initConstants. 1784 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDHC;", // Calls OsConstants.initConstants. 1785 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDSA;", // Calls OsConstants.initConstants. 1786 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECMQV;", // Calls OsConstants.initConstants. 1787 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1788 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/BCRSAPrivateCrtKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1789 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/BCRSAPrivateKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1790 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1791 "Lcom/android/org/bouncycastle/jcajce/provider/keystore/pkcs12/PKCS12KeyStoreSpi$BCPKCS12KeyStore;", // Calls Thread.currentThread. 1792 "Lcom/android/org/bouncycastle/jcajce/provider/keystore/pkcs12/PKCS12KeyStoreSpi;", // Calls Thread.currentThread. 1793 "Lcom/android/org/bouncycastle/jce/PKCS10CertificationRequest;", // Calls native ... -> java.math.NativeBN.BN_new(). 1794 "Lcom/android/org/bouncycastle/jce/provider/CertBlacklist;", // Calls System.getenv -> OsConstants.initConstants. 1795 "Lcom/android/org/bouncycastle/jce/provider/JCERSAPrivateCrtKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1796 "Lcom/android/org/bouncycastle/jce/provider/JCERSAPrivateKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1797 "Lcom/android/org/bouncycastle/jce/provider/PKIXCertPathValidatorSpi;", // Calls System.getenv -> OsConstants.initConstants. 1798 "Lcom/android/org/bouncycastle/math/ec/ECConstants;", // Calls native ... -> java.math.NativeBN.BN_new(). 1799 "Lcom/android/org/bouncycastle/math/ec/Tnaf;", // Calls native ... -> java.math.NativeBN.BN_new(). 1800 "Lcom/android/org/bouncycastle/util/BigIntegers;", // Calls native ... -> java.math.NativeBN.BN_new(). 1801 "Lcom/android/org/bouncycastle/x509/X509Util;", // Calls native ... -> java.math.NativeBN.BN_new(). 1802 "Lcom/android/org/conscrypt/CipherSuite;", // Calls OsConstants.initConstants. 1803 "Lcom/android/org/conscrypt/FileClientSessionCache$CacheFile;", // Calls OsConstants.initConstants. 1804 "Lcom/android/org/conscrypt/HandshakeIODataStream;", // Calls OsConstants.initConstants. 1805 "Lcom/android/org/conscrypt/Logger;", // Calls OsConstants.initConstants. 1806 "Lcom/android/org/conscrypt/NativeCrypto;", // Calls native NativeCrypto.clinit(). 1807 "Lcom/android/org/conscrypt/OpenSSLECKeyPairGenerator;", // Calls OsConstants.initConstants. 1808 "Lcom/android/org/conscrypt/OpenSSLEngine;", // Requires com.android.org.conscrypt.NativeCrypto. 1809 "Lcom/android/org/conscrypt/OpenSSLMac$HmacMD5;", // Calls native NativeCrypto.clinit(). 1810 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA1;", // Calls native NativeCrypto.clinit(). 1811 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA256;", // Calls native NativeCrypto.clinit(). 1812 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA384;", // Calls native NativeCrypto.clinit(). 1813 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA512;", // Calls native NativeCrypto.clinit(). 1814 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$MD5;", // Requires com.android.org.conscrypt.NativeCrypto. 1815 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA1;", // Requires com.android.org.conscrypt.NativeCrypto. 1816 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA256;", // Requires com.android.org.conscrypt.NativeCrypto. 1817 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA384;", // Requires com.android.org.conscrypt.NativeCrypto. 1818 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA512;", // Requires com.android.org.conscrypt.NativeCrypto. 1819 "Lcom/android/org/conscrypt/OpenSSLX509CertPath;", // Calls OsConstants.initConstants. 1820 "Lcom/android/org/conscrypt/OpenSSLX509CertificateFactory;", // Calls OsConstants.initConstants. 1821 "Lcom/android/org/conscrypt/PRF;", // Calls OsConstants.initConstants. 1822 "Lcom/android/org/conscrypt/SSLSessionImpl;", // Calls OsConstants.initConstants. 1823 "Lcom/android/org/conscrypt/TrustedCertificateStore;", // Calls System.getenv -> OsConstants.initConstants. 1824 "Lcom/android/okhttp/ConnectionPool;", // Calls OsConstants.initConstants. 1825 "Lcom/android/okhttp/OkHttpClient;", // Calls OsConstants.initConstants. 1826 "Lcom/android/okhttp/internal/DiskLruCache;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1827 "Lcom/android/okhttp/internal/Util;", // Calls OsConstants.initConstants. 1828 "Lcom/android/okhttp/internal/http/HttpsURLConnectionImpl;", // Calls VMClassLoader.getBootClassPathSize. 1829 "Lcom/android/okhttp/internal/spdy/SpdyConnection;", // Calls OsConstants.initConstants. 1830 "Lcom/android/okhttp/internal/spdy/SpdyReader;", // Calls OsConstants.initConstants. 1831 "Lcom/android/okhttp/internal/tls/OkHostnameVerifier;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1832 "Lcom/google/android/gles_jni/EGLContextImpl;", // Calls com.google.android.gles_jni.EGLImpl._nativeClassInit. 1833 "Lcom/google/android/gles_jni/EGLImpl;", // Calls com.google.android.gles_jni.EGLImpl._nativeClassInit. 1834 "Lcom/google/android/gles_jni/GLImpl;", // Calls com.google.android.gles_jni.GLImpl._nativeClassInit. 1835 "Lgov/nist/core/GenericObject;", // Calls OsConstants.initConstants. 1836 "Lgov/nist/core/Host;", // Calls OsConstants.initConstants. 1837 "Lgov/nist/core/HostPort;", // Calls OsConstants.initConstants. 1838 "Lgov/nist/core/NameValue;", // Calls OsConstants.initConstants. 1839 "Lgov/nist/core/net/DefaultNetworkLayer;", // Calls OsConstants.initConstants. 1840 "Lgov/nist/javax/sip/Utils;", // Calls OsConstants.initConstants. 1841 "Lgov/nist/javax/sip/address/AddressImpl;", // Calls OsConstants.initConstants. 1842 "Lgov/nist/javax/sip/address/Authority;", // Calls OsConstants.initConstants. 1843 "Lgov/nist/javax/sip/address/GenericURI;", // Calls OsConstants.initConstants. 1844 "Lgov/nist/javax/sip/address/NetObject;", // Calls OsConstants.initConstants. 1845 "Lgov/nist/javax/sip/address/SipUri;", // Calls OsConstants.initConstants. 1846 "Lgov/nist/javax/sip/address/TelephoneNumber;", // Calls OsConstants.initConstants. 1847 "Lgov/nist/javax/sip/address/UserInfo;", // Calls OsConstants.initConstants. 1848 "Lgov/nist/javax/sip/header/Accept;", // Calls OsConstants.initConstants. 1849 "Lgov/nist/javax/sip/header/AcceptEncoding;", // Calls OsConstants.initConstants. 1850 "Lgov/nist/javax/sip/header/AcceptLanguage;", // Calls OsConstants.initConstants. 1851 "Lgov/nist/javax/sip/header/AddressParametersHeader;", // Calls OsConstants.initConstants. 1852 "Lgov/nist/javax/sip/header/AlertInfoList;", // Calls OsConstants.initConstants. 1853 "Lgov/nist/javax/sip/header/AllowEvents;", // Calls OsConstants.initConstants. 1854 "Lgov/nist/javax/sip/header/AllowEventsList;", // Calls OsConstants.initConstants. 1855 "Lgov/nist/javax/sip/header/AuthenticationInfo;", // Calls OsConstants.initConstants. 1856 "Lgov/nist/javax/sip/header/Authorization;", // Calls OsConstants.initConstants. 1857 "Lgov/nist/javax/sip/header/CSeq;", // Calls OsConstants.initConstants. 1858 "Lgov/nist/javax/sip/header/CallIdentifier;", // Calls OsConstants.initConstants. 1859 "Lgov/nist/javax/sip/header/Challenge;", // Calls OsConstants.initConstants. 1860 "Lgov/nist/javax/sip/header/ContactList;", // Calls OsConstants.initConstants. 1861 "Lgov/nist/javax/sip/header/ContentEncoding;", // Calls OsConstants.initConstants. 1862 "Lgov/nist/javax/sip/header/ContentEncodingList;", // Calls OsConstants.initConstants. 1863 "Lgov/nist/javax/sip/header/ContentLanguageList;", // Calls OsConstants.initConstants. 1864 "Lgov/nist/javax/sip/header/ContentType;", // Calls OsConstants.initConstants. 1865 "Lgov/nist/javax/sip/header/Credentials;", // Calls OsConstants.initConstants. 1866 "Lgov/nist/javax/sip/header/ErrorInfoList;", // Calls OsConstants.initConstants. 1867 "Lgov/nist/javax/sip/header/Expires;", // Calls OsConstants.initConstants. 1868 "Lgov/nist/javax/sip/header/From;", // Calls OsConstants.initConstants. 1869 "Lgov/nist/javax/sip/header/MimeVersion;", // Calls OsConstants.initConstants. 1870 "Lgov/nist/javax/sip/header/NameMap;", // Calls OsConstants.initConstants. 1871 "Lgov/nist/javax/sip/header/Priority;", // Calls OsConstants.initConstants. 1872 "Lgov/nist/javax/sip/header/Protocol;", // Calls OsConstants.initConstants. 1873 "Lgov/nist/javax/sip/header/ProxyAuthenticate;", // Calls OsConstants.initConstants. 1874 "Lgov/nist/javax/sip/header/ProxyAuthenticateList;", // Calls OsConstants.initConstants. 1875 "Lgov/nist/javax/sip/header/ProxyAuthorizationList;", // Calls OsConstants.initConstants. 1876 "Lgov/nist/javax/sip/header/ProxyRequire;", // Calls OsConstants.initConstants. 1877 "Lgov/nist/javax/sip/header/ProxyRequireList;", // Calls OsConstants.initConstants. 1878 "Lgov/nist/javax/sip/header/RSeq;", // Calls OsConstants.initConstants. 1879 "Lgov/nist/javax/sip/header/RecordRoute;", // Calls OsConstants.initConstants. 1880 "Lgov/nist/javax/sip/header/ReferTo;", // Calls OsConstants.initConstants. 1881 "Lgov/nist/javax/sip/header/RequestLine;", // Calls OsConstants.initConstants. 1882 "Lgov/nist/javax/sip/header/Require;", // Calls OsConstants.initConstants. 1883 "Lgov/nist/javax/sip/header/RetryAfter;", // Calls OsConstants.initConstants. 1884 "Lgov/nist/javax/sip/header/SIPETag;", // Calls OsConstants.initConstants. 1885 "Lgov/nist/javax/sip/header/SIPHeader;", // Calls OsConstants.initConstants. 1886 "Lgov/nist/javax/sip/header/SIPHeaderNamesCache;", // Calls OsConstants.initConstants. 1887 "Lgov/nist/javax/sip/header/StatusLine;", // Calls OsConstants.initConstants. 1888 "Lgov/nist/javax/sip/header/SubscriptionState;", // Calls OsConstants.initConstants. 1889 "Lgov/nist/javax/sip/header/TimeStamp;", // Calls OsConstants.initConstants. 1890 "Lgov/nist/javax/sip/header/UserAgent;", // Calls OsConstants.initConstants. 1891 "Lgov/nist/javax/sip/header/Unsupported;", // Calls OsConstants.initConstants. 1892 "Lgov/nist/javax/sip/header/Warning;", // Calls OsConstants.initConstants. 1893 "Lgov/nist/javax/sip/header/ViaList;", // Calls OsConstants.initConstants. 1894 "Lgov/nist/javax/sip/header/extensions/Join;", // Calls OsConstants.initConstants. 1895 "Lgov/nist/javax/sip/header/extensions/References;", // Calls OsConstants.initConstants. 1896 "Lgov/nist/javax/sip/header/extensions/Replaces;", // Calls OsConstants.initConstants. 1897 "Lgov/nist/javax/sip/header/ims/PAccessNetworkInfo;", // Calls OsConstants.initConstants. 1898 "Lgov/nist/javax/sip/header/ims/PAssertedIdentity;", // Calls OsConstants.initConstants. 1899 "Lgov/nist/javax/sip/header/ims/PAssertedIdentityList;", // Calls OsConstants.initConstants. 1900 "Lgov/nist/javax/sip/header/ims/PAssociatedURI;", // Calls OsConstants.initConstants. 1901 "Lgov/nist/javax/sip/header/ims/PCalledPartyID;", // Calls OsConstants.initConstants. 1902 "Lgov/nist/javax/sip/header/ims/PChargingVector;", // Calls OsConstants.initConstants. 1903 "Lgov/nist/javax/sip/header/ims/PPreferredIdentity;", // Calls OsConstants.initConstants. 1904 "Lgov/nist/javax/sip/header/ims/PVisitedNetworkIDList;", // Calls OsConstants.initConstants. 1905 "Lgov/nist/javax/sip/header/ims/PathList;", // Calls OsConstants.initConstants. 1906 "Lgov/nist/javax/sip/header/ims/SecurityAgree;", // Calls OsConstants.initConstants. 1907 "Lgov/nist/javax/sip/header/ims/SecurityClient;", // Calls OsConstants.initConstants. 1908 "Lgov/nist/javax/sip/header/ims/ServiceRoute;", // Calls OsConstants.initConstants. 1909 "Ljava/io/Console;", // Has FileDescriptor(s). 1910 "Ljava/io/File;", // Calls to Random.<init> -> System.currentTimeMillis -> OsConstants.initConstants. 1911 "Ljava/io/FileDescriptor;", // Requires libcore.io.OsConstants. 1912 "Ljava/io/ObjectInputStream;", // Requires java.lang.ClassLoader$SystemClassLoader. 1913 "Ljava/io/ObjectStreamClass;", // Calls to Class.forName -> java.io.FileDescriptor. 1914 "Ljava/io/ObjectStreamConstants;", // Instance of non-image class SerializablePermission. 1915 "Ljava/lang/ClassLoader$SystemClassLoader;", // Calls System.getProperty -> OsConstants.initConstants. 1916 "Ljava/lang/HexStringParser;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1917 "Ljava/lang/ProcessManager;", // Calls Thread.currentThread. 1918 "Ljava/lang/Runtime;", // Calls System.getProperty -> OsConstants.initConstants. 1919 "Ljava/lang/System;", // Calls OsConstants.initConstants. 1920 "Ljava/math/BigDecimal;", // Calls native ... -> java.math.NativeBN.BN_new(). 1921 "Ljava/math/BigInteger;", // Calls native ... -> java.math.NativeBN.BN_new(). 1922 "Ljava/math/Primality;", // Calls native ... -> java.math.NativeBN.BN_new(). 1923 "Ljava/math/Multiplication;", // Calls native ... -> java.math.NativeBN.BN_new(). 1924 "Ljava/net/InetAddress;", // Requires libcore.io.OsConstants. 1925 "Ljava/net/Inet4Address;", // Sub-class of InetAddress. 1926 "Ljava/net/Inet6Address;", // Sub-class of InetAddress. 1927 "Ljava/net/InetUnixAddress;", // Sub-class of InetAddress. 1928 "Ljava/nio/charset/Charset;", // Calls Charset.getDefaultCharset -> System.getProperty -> OsConstants.initConstants. 1929 "Ljava/nio/charset/CharsetICU;", // Sub-class of Charset. 1930 "Ljava/nio/charset/Charsets;", // Calls Charset.forName. 1931 "Ljava/nio/charset/StandardCharsets;", // Calls OsConstants.initConstants. 1932 "Ljava/security/AlgorithmParameterGenerator;", // Calls OsConstants.initConstants. 1933 "Ljava/security/KeyPairGenerator$KeyPairGeneratorImpl;", // Calls OsConstants.initConstants. 1934 "Ljava/security/KeyPairGenerator;", // Calls OsConstants.initConstants. 1935 "Ljava/security/Security;", // Tries to do disk IO for "security.properties". 1936 "Ljava/security/spec/RSAKeyGenParameterSpec;", // java.math.NativeBN.BN_new() 1937 "Ljava/sql/Date;", // Calls OsConstants.initConstants. 1938 "Ljava/sql/DriverManager;", // Calls OsConstants.initConstants. 1939 "Ljava/sql/Time;", // Calls OsConstants.initConstants. 1940 "Ljava/sql/Timestamp;", // Calls OsConstants.initConstants. 1941 "Ljava/util/Date;", // Calls Date.<init> -> System.currentTimeMillis -> OsConstants.initConstants. 1942 "Ljava/util/ListResourceBundle;", // Calls OsConstants.initConstants. 1943 "Ljava/util/Locale;", // Calls System.getProperty -> OsConstants.initConstants. 1944 "Ljava/util/PropertyResourceBundle;", // Calls OsConstants.initConstants. 1945 "Ljava/util/ResourceBundle;", // Calls OsConstants.initConstants. 1946 "Ljava/util/ResourceBundle$MissingBundle;", // Calls OsConstants.initConstants. 1947 "Ljava/util/Scanner;", // regex.Pattern.compileImpl. 1948 "Ljava/util/SimpleTimeZone;", // Sub-class of TimeZone. 1949 "Ljava/util/TimeZone;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1950 "Ljava/util/concurrent/ConcurrentHashMap$Segment;", // Calls Runtime.getRuntime().availableProcessors(). 1951 "Ljava/util/concurrent/ConcurrentSkipListMap;", // Calls OsConstants.initConstants. 1952 "Ljava/util/concurrent/Exchanger;", // Calls OsConstants.initConstants. 1953 "Ljava/util/concurrent/ForkJoinPool;", // Calls OsConstants.initConstants. 1954 "Ljava/util/concurrent/LinkedTransferQueue;", // Calls OsConstants.initConstants. 1955 "Ljava/util/concurrent/Phaser;", // Calls OsConstants.initConstants. 1956 "Ljava/util/concurrent/ScheduledThreadPoolExecutor;", // Calls AtomicLong.VMSupportsCS8() 1957 "Ljava/util/concurrent/SynchronousQueue;", // Calls OsConstants.initConstants. 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 LOG(INFO) << "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::Field>* 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 jobject jclass_loader = manager->GetClassLoader(); 2139 const DexFile& dex_file = *manager->GetDexFile(); 2140 const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 2141 { 2142 ScopedObjectAccess soa(Thread::Current()); 2143 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader); 2144 if (SkipClass(class_loader, dex_file, class_def)) { 2145 return; 2146 } 2147 } 2148 ClassReference ref(&dex_file, class_def_index); 2149 // Skip compiling classes with generic verifier failures since they will still fail at runtime 2150 if (verifier::MethodVerifier::IsClassRejected(ref)) { 2151 return; 2152 } 2153 const byte* class_data = dex_file.GetClassData(class_def); 2154 if (class_data == NULL) { 2155 // empty class, probably a marker interface 2156 return; 2157 } 2158 // Can we run DEX-to-DEX compiler on this class ? 2159 DexToDexCompilationLevel dex_to_dex_compilation_level = kDontDexToDexCompile; 2160 { 2161 ScopedObjectAccess soa(Thread::Current()); 2162 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader); 2163 dex_to_dex_compilation_level = GetDexToDexCompilationlevel(class_loader, dex_file, class_def); 2164 } 2165 ClassDataItemIterator it(dex_file, class_data); 2166 // Skip fields 2167 while (it.HasNextStaticField()) { 2168 it.Next(); 2169 } 2170 while (it.HasNextInstanceField()) { 2171 it.Next(); 2172 } 2173 // Compile direct methods 2174 int64_t previous_direct_method_idx = -1; 2175 while (it.HasNextDirectMethod()) { 2176 uint32_t method_idx = it.GetMemberIndex(); 2177 if (method_idx == previous_direct_method_idx) { 2178 // smali can create dex files with two encoded_methods sharing the same method_idx 2179 // http://code.google.com/p/smali/issues/detail?id=119 2180 it.Next(); 2181 continue; 2182 } 2183 previous_direct_method_idx = method_idx; 2184 manager->GetCompiler()->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), 2185 it.GetMethodInvokeType(class_def), class_def_index, 2186 method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level); 2187 it.Next(); 2188 } 2189 // Compile virtual methods 2190 int64_t previous_virtual_method_idx = -1; 2191 while (it.HasNextVirtualMethod()) { 2192 uint32_t method_idx = it.GetMemberIndex(); 2193 if (method_idx == previous_virtual_method_idx) { 2194 // smali can create dex files with two encoded_methods sharing the same method_idx 2195 // http://code.google.com/p/smali/issues/detail?id=119 2196 it.Next(); 2197 continue; 2198 } 2199 previous_virtual_method_idx = method_idx; 2200 manager->GetCompiler()->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), 2201 it.GetMethodInvokeType(class_def), class_def_index, 2202 method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level); 2203 it.Next(); 2204 } 2205 DCHECK(!it.HasNext()); 2206} 2207 2208void CompilerDriver::CompileDexFile(jobject class_loader, const DexFile& dex_file, 2209 ThreadPool& thread_pool, base::TimingLogger& timings) { 2210 timings.NewSplit(strdup(("Compile " + dex_file.GetLocation()).c_str())); 2211 ParallelCompilationManager context(NULL, class_loader, this, &dex_file, thread_pool); 2212 context.ForAll(0, dex_file.NumClassDefs(), CompilerDriver::CompileClass, thread_count_); 2213} 2214 2215void CompilerDriver::CompileMethod(const DexFile::CodeItem* code_item, uint32_t access_flags, 2216 InvokeType invoke_type, uint32_t class_def_idx, 2217 uint32_t method_idx, jobject class_loader, 2218 const DexFile& dex_file, 2219 DexToDexCompilationLevel dex_to_dex_compilation_level) { 2220 CompiledMethod* compiled_method = NULL; 2221 uint64_t start_ns = NanoTime(); 2222 2223 if ((access_flags & kAccNative) != 0) { 2224 compiled_method = (*jni_compiler_)(*this, access_flags, method_idx, dex_file); 2225 CHECK(compiled_method != NULL); 2226 } else if ((access_flags & kAccAbstract) != 0) { 2227 } else { 2228 bool compile = verifier::MethodVerifier::IsCandidateForCompilation(code_item, access_flags); 2229 if (compile) { 2230 CompilerFn compiler = compiler_; 2231#ifdef ART_SEA_IR_MODE 2232 bool use_sea = Runtime::Current()->IsSeaIRMode(); 2233 use_sea = use_sea && (std::string::npos != PrettyMethod(method_idx, dex_file).find("fibonacci")); 2234 if (use_sea) { 2235 compiler = sea_ir_compiler_; 2236 } 2237#endif 2238 // NOTE: if compiler declines to compile this method, it will return NULL. 2239 compiled_method = (*compiler)(*this, code_item, access_flags, invoke_type, class_def_idx, 2240 method_idx, class_loader, dex_file); 2241 } else if (dex_to_dex_compilation_level != kDontDexToDexCompile) { 2242 // TODO: add a mode to disable DEX-to-DEX compilation ? 2243 (*dex_to_dex_compiler_)(*this, code_item, access_flags, 2244 invoke_type, class_def_idx, 2245 method_idx, class_loader, dex_file, 2246 dex_to_dex_compilation_level); 2247 } 2248 } 2249 uint64_t duration_ns = NanoTime() - start_ns; 2250#ifdef ART_USE_PORTABLE_COMPILER 2251 const uint64_t kWarnMilliSeconds = 1000; 2252#else 2253 const uint64_t kWarnMilliSeconds = 100; 2254#endif 2255 if (duration_ns > MsToNs(kWarnMilliSeconds)) { 2256 LOG(WARNING) << "Compilation of " << PrettyMethod(method_idx, dex_file) 2257 << " took " << PrettyDuration(duration_ns); 2258 } 2259 2260 Thread* self = Thread::Current(); 2261 if (compiled_method != NULL) { 2262 MethodReference ref(&dex_file, method_idx); 2263 CHECK(GetCompiledMethod(ref) == NULL) << PrettyMethod(method_idx, dex_file); 2264 { 2265 MutexLock mu(self, compiled_methods_lock_); 2266 compiled_methods_.Put(ref, compiled_method); 2267 } 2268 DCHECK(GetCompiledMethod(ref) != NULL) << PrettyMethod(method_idx, dex_file); 2269 } 2270 2271 if (self->IsExceptionPending()) { 2272 ScopedObjectAccess soa(self); 2273 LOG(FATAL) << "Unexpected exception compiling: " << PrettyMethod(method_idx, dex_file) << "\n" 2274 << self->GetException(NULL)->Dump(); 2275 } 2276} 2277 2278CompiledClass* CompilerDriver::GetCompiledClass(ClassReference ref) const { 2279 MutexLock mu(Thread::Current(), compiled_classes_lock_); 2280 ClassTable::const_iterator it = compiled_classes_.find(ref); 2281 if (it == compiled_classes_.end()) { 2282 return NULL; 2283 } 2284 CHECK(it->second != NULL); 2285 return it->second; 2286} 2287 2288CompiledMethod* CompilerDriver::GetCompiledMethod(MethodReference ref) const { 2289 MutexLock mu(Thread::Current(), compiled_methods_lock_); 2290 MethodTable::const_iterator it = compiled_methods_.find(ref); 2291 if (it == compiled_methods_.end()) { 2292 return NULL; 2293 } 2294 CHECK(it->second != NULL); 2295 return it->second; 2296} 2297 2298void CompilerDriver::SetBitcodeFileName(std::string const& filename) { 2299 typedef void (*SetBitcodeFileNameFn)(CompilerDriver&, std::string const&); 2300 2301 SetBitcodeFileNameFn set_bitcode_file_name = 2302 reinterpret_cast<SetBitcodeFileNameFn>(compilerLLVMSetBitcodeFileName); 2303 2304 set_bitcode_file_name(*this, filename); 2305} 2306 2307 2308void CompilerDriver::AddRequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 2309 size_t class_def_index) { 2310 MutexLock mu(self, freezing_constructor_lock_); 2311 freezing_constructor_classes_.insert(ClassReference(dex_file, class_def_index)); 2312} 2313 2314bool CompilerDriver::RequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 2315 size_t class_def_index) { 2316 MutexLock mu(self, freezing_constructor_lock_); 2317 return freezing_constructor_classes_.count(ClassReference(dex_file, class_def_index)) != 0; 2318} 2319 2320bool CompilerDriver::WriteElf(const std::string& android_root, 2321 bool is_host, 2322 const std::vector<const art::DexFile*>& dex_files, 2323 OatWriter& oat_writer, 2324 art::File* file) 2325 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2326#if defined(ART_USE_PORTABLE_COMPILER) 2327 return art::ElfWriterMclinker::Create(file, oat_writer, dex_files, android_root, is_host, *this); 2328#else 2329 return art::ElfWriterQuick::Create(file, oat_writer, dex_files, android_root, is_host, *this); 2330#endif 2331} 2332void CompilerDriver::InstructionSetToLLVMTarget(InstructionSet instruction_set, 2333 std::string& target_triple, 2334 std::string& target_cpu, 2335 std::string& target_attr) { 2336 switch (instruction_set) { 2337 case kThumb2: 2338 target_triple = "thumb-none-linux-gnueabi"; 2339 target_cpu = "cortex-a9"; 2340 target_attr = "+thumb2,+neon,+neonfp,+vfp3,+db"; 2341 break; 2342 2343 case kArm: 2344 target_triple = "armv7-none-linux-gnueabi"; 2345 // TODO: Fix for Nexus S. 2346 target_cpu = "cortex-a9"; 2347 // TODO: Fix for Xoom. 2348 target_attr = "+v7,+neon,+neonfp,+vfp3,+db"; 2349 break; 2350 2351 case kX86: 2352 target_triple = "i386-pc-linux-gnu"; 2353 target_attr = ""; 2354 break; 2355 2356 case kMips: 2357 target_triple = "mipsel-unknown-linux"; 2358 target_attr = "mips32r2"; 2359 break; 2360 2361 default: 2362 LOG(FATAL) << "Unknown instruction set: " << instruction_set; 2363 } 2364 } 2365} // namespace art 2366