compiler_driver.cc revision ee17e0aa4d24deb11c1766bfcc6a864519df1c1e
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 "stubs/stubs.h" 45#include "thread.h" 46#include "thread_pool.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::CreatePortableResolutionTrampoline() const { 437 switch (instruction_set_) { 438 case kArm: 439 case kThumb2: 440 return arm::CreatePortableResolutionTrampoline(); 441 case kMips: 442 return mips::CreatePortableResolutionTrampoline(); 443 case kX86: 444 return x86::CreatePortableResolutionTrampoline(); 445 default: 446 LOG(FATAL) << "Unknown InstructionSet: " << instruction_set_; 447 return NULL; 448 } 449} 450 451const std::vector<uint8_t>* CompilerDriver::CreateQuickResolutionTrampoline() const { 452 switch (instruction_set_) { 453 case kArm: 454 case kThumb2: 455 return arm::CreateQuickResolutionTrampoline(); 456 case kMips: 457 return mips::CreateQuickResolutionTrampoline(); 458 case kX86: 459 return x86::CreateQuickResolutionTrampoline(); 460 default: 461 LOG(FATAL) << "Unknown InstructionSet: " << instruction_set_; 462 return NULL; 463 } 464} 465 466const std::vector<uint8_t>* CompilerDriver::CreateInterpreterToInterpreterEntry() const { 467 switch (instruction_set_) { 468 case kArm: 469 case kThumb2: 470 return arm::CreateInterpreterToInterpreterEntry(); 471 case kMips: 472 return mips::CreateInterpreterToInterpreterEntry(); 473 case kX86: 474 return x86::CreateInterpreterToInterpreterEntry(); 475 default: 476 LOG(FATAL) << "Unknown InstructionSet: " << instruction_set_; 477 return NULL; 478 } 479} 480 481const std::vector<uint8_t>* CompilerDriver::CreateInterpreterToQuickEntry() const { 482 switch (instruction_set_) { 483 case kArm: 484 case kThumb2: 485 return arm::CreateInterpreterToQuickEntry(); 486 case kMips: 487 return mips::CreateInterpreterToQuickEntry(); 488 case kX86: 489 return x86::CreateInterpreterToQuickEntry(); 490 default: 491 LOG(FATAL) << "Unknown InstructionSet: " << instruction_set_; 492 return NULL; 493 } 494} 495 496void CompilerDriver::CompileAll(jobject class_loader, 497 const std::vector<const DexFile*>& dex_files, 498 base::TimingLogger& timings) { 499 DCHECK(!Runtime::Current()->IsStarted()); 500 UniquePtr<ThreadPool> thread_pool(new ThreadPool(thread_count_)); 501 PreCompile(class_loader, dex_files, *thread_pool.get(), timings); 502 Compile(class_loader, dex_files, *thread_pool.get(), timings); 503 if (dump_stats_) { 504 stats_->Dump(); 505 } 506} 507 508static DexToDexCompilationLevel GetDexToDexCompilationlevel(mirror::ClassLoader* class_loader, 509 const DexFile& dex_file, 510 const DexFile::ClassDef& class_def) 511 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 512 const char* descriptor = dex_file.GetClassDescriptor(class_def); 513 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 514 mirror::Class* klass = class_linker->FindClass(descriptor, class_loader); 515 if (klass == NULL) { 516 Thread* self = Thread::Current(); 517 CHECK(self->IsExceptionPending()); 518 self->ClearException(); 519 return kDontDexToDexCompile; 520 } 521 // The verifier can only run on "quick" instructions at runtime (see usage of 522 // FindAccessedFieldAtDexPc and FindInvokedMethodAtDexPc in ThrowNullPointerExceptionFromDexPC 523 // function). Since image classes can be verified again while compiling an application, 524 // we must prevent the DEX-to-DEX compiler from introducing them. 525 // TODO: find a way to enable "quick" instructions for image classes and remove this check. 526 bool compiling_image_classes = (class_loader == NULL); 527 if (compiling_image_classes) { 528 return kRequired; 529 } else if (klass->IsVerified()) { 530 // Class is verified so we can enable DEX-to-DEX compilation for performance. 531 return kOptimize; 532 } else if (klass->IsCompileTimeVerified()) { 533 // Class verification has soft-failed. Anyway, ensure at least correctness. 534 DCHECK_EQ(klass->GetStatus(), mirror::Class::kStatusRetryVerificationAtRuntime); 535 return kRequired; 536 } else { 537 // Class verification has failed: do not run DEX-to-DEX compilation. 538 return kDontDexToDexCompile; 539 } 540} 541 542void CompilerDriver::CompileOne(const mirror::AbstractMethod* method, base::TimingLogger& timings) { 543 DCHECK(!Runtime::Current()->IsStarted()); 544 Thread* self = Thread::Current(); 545 jobject jclass_loader; 546 const DexFile* dex_file; 547 uint32_t class_def_idx; 548 { 549 ScopedObjectAccessUnchecked soa(self); 550 ScopedLocalRef<jobject> 551 local_class_loader(soa.Env(), 552 soa.AddLocalReference<jobject>(method->GetDeclaringClass()->GetClassLoader())); 553 jclass_loader = soa.Env()->NewGlobalRef(local_class_loader.get()); 554 // Find the dex_file 555 MethodHelper mh(method); 556 dex_file = &mh.GetDexFile(); 557 class_def_idx = mh.GetClassDefIndex(); 558 } 559 self->TransitionFromRunnableToSuspended(kNative); 560 561 std::vector<const DexFile*> dex_files; 562 dex_files.push_back(dex_file); 563 564 UniquePtr<ThreadPool> thread_pool(new ThreadPool(1U)); 565 PreCompile(jclass_loader, dex_files, *thread_pool.get(), timings); 566 567 uint32_t method_idx = method->GetDexMethodIndex(); 568 const DexFile::CodeItem* code_item = dex_file->GetCodeItem(method->GetCodeItemOffset()); 569 // Can we run DEX-to-DEX compiler on this class ? 570 DexToDexCompilationLevel dex_to_dex_compilation_level = kDontDexToDexCompile; 571 { 572 ScopedObjectAccess soa(Thread::Current()); 573 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_idx); 574 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader); 575 dex_to_dex_compilation_level = GetDexToDexCompilationlevel(class_loader, *dex_file, class_def); 576 } 577 CompileMethod(code_item, method->GetAccessFlags(), method->GetInvokeType(), 578 class_def_idx, method_idx, jclass_loader, *dex_file, dex_to_dex_compilation_level); 579 580 self->GetJniEnv()->DeleteGlobalRef(jclass_loader); 581 582 self->TransitionFromSuspendedToRunnable(); 583} 584 585void CompilerDriver::Resolve(jobject class_loader, const std::vector<const DexFile*>& dex_files, 586 ThreadPool& thread_pool, base::TimingLogger& timings) { 587 for (size_t i = 0; i != dex_files.size(); ++i) { 588 const DexFile* dex_file = dex_files[i]; 589 CHECK(dex_file != NULL); 590 ResolveDexFile(class_loader, *dex_file, thread_pool, timings); 591 } 592} 593 594void CompilerDriver::PreCompile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 595 ThreadPool& thread_pool, base::TimingLogger& timings) { 596 LoadImageClasses(timings); 597 598 Resolve(class_loader, dex_files, thread_pool, timings); 599 600 Verify(class_loader, dex_files, thread_pool, timings); 601 602 InitializeClasses(class_loader, dex_files, thread_pool, timings); 603 604 UpdateImageClasses(timings); 605} 606 607bool CompilerDriver::IsImageClass(const char* descriptor) const { 608 DCHECK(descriptor != NULL); 609 if (image_classes_.get() == NULL) { 610 return true; 611 } 612 return image_classes_->find(descriptor) != image_classes_->end(); 613} 614 615static void ResolveExceptionsForMethod(MethodHelper* mh, 616 std::set<std::pair<uint16_t, const DexFile*> >& exceptions_to_resolve) 617 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 618 const DexFile::CodeItem* code_item = mh->GetCodeItem(); 619 if (code_item == NULL) { 620 return; // native or abstract method 621 } 622 if (code_item->tries_size_ == 0) { 623 return; // nothing to process 624 } 625 const byte* encoded_catch_handler_list = DexFile::GetCatchHandlerData(*code_item, 0); 626 size_t num_encoded_catch_handlers = DecodeUnsignedLeb128(&encoded_catch_handler_list); 627 for (size_t i = 0; i < num_encoded_catch_handlers; i++) { 628 int32_t encoded_catch_handler_size = DecodeSignedLeb128(&encoded_catch_handler_list); 629 bool has_catch_all = false; 630 if (encoded_catch_handler_size <= 0) { 631 encoded_catch_handler_size = -encoded_catch_handler_size; 632 has_catch_all = true; 633 } 634 for (int32_t j = 0; j < encoded_catch_handler_size; j++) { 635 uint16_t encoded_catch_handler_handlers_type_idx = 636 DecodeUnsignedLeb128(&encoded_catch_handler_list); 637 // Add to set of types to resolve if not already in the dex cache resolved types 638 if (!mh->IsResolvedTypeIdx(encoded_catch_handler_handlers_type_idx)) { 639 exceptions_to_resolve.insert( 640 std::pair<uint16_t, const DexFile*>(encoded_catch_handler_handlers_type_idx, 641 &mh->GetDexFile())); 642 } 643 // ignore address associated with catch handler 644 DecodeUnsignedLeb128(&encoded_catch_handler_list); 645 } 646 if (has_catch_all) { 647 // ignore catch all address 648 DecodeUnsignedLeb128(&encoded_catch_handler_list); 649 } 650 } 651} 652 653static bool ResolveCatchBlockExceptionsClassVisitor(mirror::Class* c, void* arg) 654 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 655 std::set<std::pair<uint16_t, const DexFile*> >* exceptions_to_resolve = 656 reinterpret_cast<std::set<std::pair<uint16_t, const DexFile*> >*>(arg); 657 MethodHelper mh; 658 for (size_t i = 0; i < c->NumVirtualMethods(); ++i) { 659 mirror::AbstractMethod* m = c->GetVirtualMethod(i); 660 mh.ChangeMethod(m); 661 ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 662 } 663 for (size_t i = 0; i < c->NumDirectMethods(); ++i) { 664 mirror::AbstractMethod* m = c->GetDirectMethod(i); 665 mh.ChangeMethod(m); 666 ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 667 } 668 return true; 669} 670 671static bool RecordImageClassesVisitor(mirror::Class* klass, void* arg) 672 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 673 CompilerDriver::DescriptorSet* image_classes = 674 reinterpret_cast<CompilerDriver::DescriptorSet*>(arg); 675 image_classes->insert(ClassHelper(klass).GetDescriptor()); 676 return true; 677} 678 679// Make a list of descriptors for classes to include in the image 680void CompilerDriver::LoadImageClasses(base::TimingLogger& timings) 681 LOCKS_EXCLUDED(Locks::mutator_lock_) { 682 if (image_classes_.get() == NULL) { 683 return; 684 } 685 686 timings.NewSplit("LoadImageClasses"); 687 // Make a first class to load all classes explicitly listed in the file 688 Thread* self = Thread::Current(); 689 ScopedObjectAccess soa(self); 690 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 691 typedef DescriptorSet::iterator It; // TODO: C++0x auto 692 for (It it = image_classes_->begin(), end = image_classes_->end(); it != end;) { 693 std::string descriptor(*it); 694 SirtRef<mirror::Class> klass(self, class_linker->FindSystemClass(descriptor.c_str())); 695 if (klass.get() == NULL) { 696 image_classes_->erase(it++); 697 LOG(WARNING) << "Failed to find class " << descriptor; 698 Thread::Current()->ClearException(); 699 } else { 700 ++it; 701 } 702 } 703 704 // Resolve exception classes referenced by the loaded classes. The catch logic assumes 705 // exceptions are resolved by the verifier when there is a catch block in an interested method. 706 // Do this here so that exception classes appear to have been specified image classes. 707 std::set<std::pair<uint16_t, const DexFile*> > unresolved_exception_types; 708 SirtRef<mirror::Class> java_lang_Throwable(self, 709 class_linker->FindSystemClass("Ljava/lang/Throwable;")); 710 do { 711 unresolved_exception_types.clear(); 712 class_linker->VisitClasses(ResolveCatchBlockExceptionsClassVisitor, 713 &unresolved_exception_types); 714 typedef std::set<std::pair<uint16_t, const DexFile*> >::const_iterator It; // TODO: C++0x auto 715 for (It it = unresolved_exception_types.begin(), 716 end = unresolved_exception_types.end(); 717 it != end; ++it) { 718 uint16_t exception_type_idx = it->first; 719 const DexFile* dex_file = it->second; 720 mirror::DexCache* dex_cache = class_linker->FindDexCache(*dex_file); 721 mirror:: ClassLoader* class_loader = NULL; 722 SirtRef<mirror::Class> klass(self, class_linker->ResolveType(*dex_file, exception_type_idx, 723 dex_cache, class_loader)); 724 if (klass.get() == NULL) { 725 const DexFile::TypeId& type_id = dex_file->GetTypeId(exception_type_idx); 726 const char* descriptor = dex_file->GetTypeDescriptor(type_id); 727 LOG(FATAL) << "Failed to resolve class " << descriptor; 728 } 729 DCHECK(java_lang_Throwable->IsAssignableFrom(klass.get())); 730 } 731 // Resolving exceptions may load classes that reference more exceptions, iterate until no 732 // more are found 733 } while (!unresolved_exception_types.empty()); 734 735 // We walk the roots looking for classes so that we'll pick up the 736 // above classes plus any classes them depend on such super 737 // classes, interfaces, and the required ClassLinker roots. 738 class_linker->VisitClasses(RecordImageClassesVisitor, image_classes_.get()); 739 740 CHECK_NE(image_classes_->size(), 0U); 741} 742 743static void MaybeAddToImageClasses(mirror::Class* klass, CompilerDriver::DescriptorSet* image_classes) 744 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 745 while (!klass->IsObjectClass()) { 746 ClassHelper kh(klass); 747 const char* descriptor = kh.GetDescriptor(); 748 std::pair<CompilerDriver::DescriptorSet::iterator, bool> result = 749 image_classes->insert(descriptor); 750 if (result.second) { 751 LOG(INFO) << "Adding " << descriptor << " to image classes"; 752 } else { 753 return; 754 } 755 for (size_t i = 0; i < kh.NumDirectInterfaces(); ++i) { 756 MaybeAddToImageClasses(kh.GetDirectInterface(i), image_classes); 757 } 758 if (klass->IsArrayClass()) { 759 MaybeAddToImageClasses(klass->GetComponentType(), image_classes); 760 } 761 klass = klass->GetSuperClass(); 762 } 763} 764 765void CompilerDriver::FindClinitImageClassesCallback(mirror::Object* object, void* arg) { 766 DCHECK(object != NULL); 767 DCHECK(arg != NULL); 768 CompilerDriver* compiler_driver = reinterpret_cast<CompilerDriver*>(arg); 769 MaybeAddToImageClasses(object->GetClass(), compiler_driver->image_classes_.get()); 770} 771 772void CompilerDriver::UpdateImageClasses(base::TimingLogger& timings) { 773 if (image_classes_.get() == NULL) { 774 return; 775 } 776 777 timings.NewSplit("UpdateImageClasses"); 778 779 // Update image_classes_ with classes for objects created by <clinit> methods. 780 Thread* self = Thread::Current(); 781 const char* old_cause = self->StartAssertNoThreadSuspension("ImageWriter"); 782 gc::Heap* heap = Runtime::Current()->GetHeap(); 783 // TODO: Image spaces only? 784 WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 785 heap->FlushAllocStack(); 786 heap->GetLiveBitmap()->Walk(FindClinitImageClassesCallback, this); 787 self->EndAssertNoThreadSuspension(old_cause); 788} 789 790void CompilerDriver::RecordClassStatus(ClassReference ref, CompiledClass* compiled_class) { 791 MutexLock mu(Thread::Current(), CompilerDriver::compiled_classes_lock_); 792 compiled_classes_.Put(ref, compiled_class); 793} 794 795bool CompilerDriver::CanAssumeTypeIsPresentInDexCache(const DexFile& dex_file, 796 uint32_t type_idx) { 797 if (IsImage() && IsImageClass(dex_file.GetTypeDescriptor(dex_file.GetTypeId(type_idx)))) { 798 if (kIsDebugBuild) { 799 ScopedObjectAccess soa(Thread::Current()); 800 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 801 mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 802 CHECK(resolved_class != NULL); 803 } 804 stats_->TypeInDexCache(); 805 return true; 806 } else { 807 stats_->TypeNotInDexCache(); 808 return false; 809 } 810} 811 812bool CompilerDriver::CanAssumeStringIsPresentInDexCache(const DexFile& dex_file, 813 uint32_t string_idx) { 814 // See also Compiler::ResolveDexFile 815 816 bool result = false; 817 if (IsImage()) { 818 // We resolve all const-string strings when building for the image. 819 ScopedObjectAccess soa(Thread::Current()); 820 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 821 Runtime::Current()->GetClassLinker()->ResolveString(dex_file, string_idx, dex_cache); 822 result = true; 823 } 824 if (result) { 825 stats_->StringInDexCache(); 826 } else { 827 stats_->StringNotInDexCache(); 828 } 829 return result; 830} 831 832bool CompilerDriver::CanAccessTypeWithoutChecks(uint32_t referrer_idx, const DexFile& dex_file, 833 uint32_t type_idx, 834 bool* type_known_final, bool* type_known_abstract, 835 bool* equals_referrers_class) { 836 if (type_known_final != NULL) { 837 *type_known_final = false; 838 } 839 if (type_known_abstract != NULL) { 840 *type_known_abstract = false; 841 } 842 if (equals_referrers_class != NULL) { 843 *equals_referrers_class = false; 844 } 845 ScopedObjectAccess soa(Thread::Current()); 846 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 847 // Get type from dex cache assuming it was populated by the verifier 848 mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 849 if (resolved_class == NULL) { 850 stats_->TypeNeedsAccessCheck(); 851 return false; // Unknown class needs access checks. 852 } 853 const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 854 if (equals_referrers_class != NULL) { 855 *equals_referrers_class = (method_id.class_idx_ == type_idx); 856 } 857 mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 858 if (referrer_class == NULL) { 859 stats_->TypeNeedsAccessCheck(); 860 return false; // Incomplete referrer knowledge needs access check. 861 } 862 // Perform access check, will return true if access is ok or false if we're going to have to 863 // check this at runtime (for example for class loaders). 864 bool result = referrer_class->CanAccess(resolved_class); 865 if (result) { 866 stats_->TypeDoesntNeedAccessCheck(); 867 if (type_known_final != NULL) { 868 *type_known_final = resolved_class->IsFinal() && !resolved_class->IsArrayClass(); 869 } 870 if (type_known_abstract != NULL) { 871 *type_known_abstract = resolved_class->IsAbstract() && !resolved_class->IsArrayClass(); 872 } 873 } else { 874 stats_->TypeNeedsAccessCheck(); 875 } 876 return result; 877} 878 879bool CompilerDriver::CanAccessInstantiableTypeWithoutChecks(uint32_t referrer_idx, 880 const DexFile& dex_file, 881 uint32_t type_idx) { 882 ScopedObjectAccess soa(Thread::Current()); 883 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 884 // Get type from dex cache assuming it was populated by the verifier. 885 mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 886 if (resolved_class == NULL) { 887 stats_->TypeNeedsAccessCheck(); 888 return false; // Unknown class needs access checks. 889 } 890 const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 891 mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 892 if (referrer_class == NULL) { 893 stats_->TypeNeedsAccessCheck(); 894 return false; // Incomplete referrer knowledge needs access check. 895 } 896 // Perform access and instantiable checks, will return true if access is ok or false if we're 897 // going to have to check this at runtime (for example for class loaders). 898 bool result = referrer_class->CanAccess(resolved_class) && resolved_class->IsInstantiable(); 899 if (result) { 900 stats_->TypeDoesntNeedAccessCheck(); 901 } else { 902 stats_->TypeNeedsAccessCheck(); 903 } 904 return result; 905} 906 907static mirror::Class* ComputeCompilingMethodsClass(ScopedObjectAccess& soa, 908 mirror::DexCache* dex_cache, 909 const DexCompilationUnit* mUnit) 910 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 911 // The passed dex_cache is a hint, sanity check before asking the class linker that will take a 912 // lock. 913 if (dex_cache->GetDexFile() != mUnit->GetDexFile()) { 914 dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 915 } 916 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 917 const DexFile::MethodId& referrer_method_id = mUnit->GetDexFile()->GetMethodId(mUnit->GetDexMethodIndex()); 918 return mUnit->GetClassLinker()->ResolveType(*mUnit->GetDexFile(), referrer_method_id.class_idx_, 919 dex_cache, class_loader); 920} 921 922static mirror::Field* ComputeFieldReferencedFromCompilingMethod(ScopedObjectAccess& soa, 923 const DexCompilationUnit* mUnit, 924 uint32_t field_idx) 925 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 926 mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 927 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 928 return mUnit->GetClassLinker()->ResolveField(*mUnit->GetDexFile(), field_idx, dex_cache, 929 class_loader, false); 930} 931 932static mirror::AbstractMethod* ComputeMethodReferencedFromCompilingMethod(ScopedObjectAccess& soa, 933 const DexCompilationUnit* mUnit, 934 uint32_t method_idx, 935 InvokeType type) 936 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 937 mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 938 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 939 return mUnit->GetClassLinker()->ResolveMethod(*mUnit->GetDexFile(), method_idx, dex_cache, 940 class_loader, NULL, type); 941} 942 943bool CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 944 int& field_offset, bool& is_volatile, bool is_put) { 945 ScopedObjectAccess soa(Thread::Current()); 946 // Conservative defaults. 947 field_offset = -1; 948 is_volatile = true; 949 // Try to resolve field and ignore if an Incompatible Class Change Error (ie is static). 950 mirror::Field* resolved_field = ComputeFieldReferencedFromCompilingMethod(soa, mUnit, field_idx); 951 if (resolved_field != NULL && !resolved_field->IsStatic()) { 952 mirror::Class* referrer_class = 953 ComputeCompilingMethodsClass(soa, resolved_field->GetDeclaringClass()->GetDexCache(), 954 mUnit); 955 if (referrer_class != NULL) { 956 mirror::Class* fields_class = resolved_field->GetDeclaringClass(); 957 bool access_ok = referrer_class->CanAccess(fields_class) && 958 referrer_class->CanAccessMember(fields_class, 959 resolved_field->GetAccessFlags()); 960 if (!access_ok) { 961 // The referring class can't access the resolved field, this may occur as a result of a 962 // protected field being made public by a sub-class. Resort to the dex file to determine 963 // the correct class for the access check. 964 const DexFile& dex_file = *referrer_class->GetDexCache()->GetDexFile(); 965 mirror::Class* dex_fields_class = mUnit->GetClassLinker()->ResolveType(dex_file, 966 dex_file.GetFieldId(field_idx).class_idx_, 967 referrer_class); 968 access_ok = referrer_class->CanAccess(dex_fields_class) && 969 referrer_class->CanAccessMember(dex_fields_class, 970 resolved_field->GetAccessFlags()); 971 } 972 bool is_write_to_final_from_wrong_class = is_put && resolved_field->IsFinal() && 973 fields_class != referrer_class; 974 if (access_ok && !is_write_to_final_from_wrong_class) { 975 field_offset = resolved_field->GetOffset().Int32Value(); 976 is_volatile = resolved_field->IsVolatile(); 977 stats_->ResolvedInstanceField(); 978 return true; // Fast path. 979 } 980 } 981 } 982 // Clean up any exception left by field/type resolution 983 if (soa.Self()->IsExceptionPending()) { 984 soa.Self()->ClearException(); 985 } 986 stats_->UnresolvedInstanceField(); 987 return false; // Incomplete knowledge needs slow path. 988} 989 990bool CompilerDriver::ComputeStaticFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 991 int& field_offset, int& ssb_index, 992 bool& is_referrers_class, bool& is_volatile, 993 bool is_put) { 994 ScopedObjectAccess soa(Thread::Current()); 995 // Conservative defaults. 996 field_offset = -1; 997 ssb_index = -1; 998 is_referrers_class = false; 999 is_volatile = true; 1000 // Try to resolve field and ignore if an Incompatible Class Change Error (ie isn't static). 1001 mirror::Field* resolved_field = ComputeFieldReferencedFromCompilingMethod(soa, mUnit, field_idx); 1002 if (resolved_field != NULL && resolved_field->IsStatic()) { 1003 mirror::Class* referrer_class = 1004 ComputeCompilingMethodsClass(soa, resolved_field->GetDeclaringClass()->GetDexCache(), 1005 mUnit); 1006 if (referrer_class != NULL) { 1007 mirror::Class* fields_class = resolved_field->GetDeclaringClass(); 1008 if (fields_class == referrer_class) { 1009 is_referrers_class = true; // implies no worrying about class initialization 1010 field_offset = resolved_field->GetOffset().Int32Value(); 1011 is_volatile = resolved_field->IsVolatile(); 1012 stats_->ResolvedLocalStaticField(); 1013 return true; // fast path 1014 } else { 1015 bool access_ok = referrer_class->CanAccess(fields_class) && 1016 referrer_class->CanAccessMember(fields_class, 1017 resolved_field->GetAccessFlags()); 1018 if (!access_ok) { 1019 // The referring class can't access the resolved field, this may occur as a result of a 1020 // protected field being made public by a sub-class. Resort to the dex file to determine 1021 // the correct class for the access check. Don't change the field's class as that is 1022 // used to identify the SSB. 1023 const DexFile& dex_file = *referrer_class->GetDexCache()->GetDexFile(); 1024 mirror::Class* dex_fields_class = 1025 mUnit->GetClassLinker()->ResolveType(dex_file, 1026 dex_file.GetFieldId(field_idx).class_idx_, 1027 referrer_class); 1028 access_ok = referrer_class->CanAccess(dex_fields_class) && 1029 referrer_class->CanAccessMember(dex_fields_class, 1030 resolved_field->GetAccessFlags()); 1031 } 1032 bool is_write_to_final_from_wrong_class = is_put && resolved_field->IsFinal(); 1033 if (access_ok && !is_write_to_final_from_wrong_class) { 1034 // We have the resolved field, we must make it into a ssbIndex for the referrer 1035 // in its static storage base (which may fail if it doesn't have a slot for it) 1036 // TODO: for images we can elide the static storage base null check 1037 // if we know there's a non-null entry in the image 1038 mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 1039 if (fields_class->GetDexCache() == dex_cache) { 1040 // common case where the dex cache of both the referrer and the field are the same, 1041 // no need to search the dex file 1042 ssb_index = fields_class->GetDexTypeIndex(); 1043 field_offset = resolved_field->GetOffset().Int32Value(); 1044 is_volatile = resolved_field->IsVolatile(); 1045 stats_->ResolvedStaticField(); 1046 return true; 1047 } 1048 // Search dex file for localized ssb index, may fail if field's class is a parent 1049 // of the class mentioned in the dex file and there is no dex cache entry. 1050 const DexFile::StringId* string_id = 1051 mUnit->GetDexFile()->FindStringId(FieldHelper(resolved_field).GetDeclaringClassDescriptor()); 1052 if (string_id != NULL) { 1053 const DexFile::TypeId* type_id = 1054 mUnit->GetDexFile()->FindTypeId(mUnit->GetDexFile()->GetIndexForStringId(*string_id)); 1055 if (type_id != NULL) { 1056 // medium path, needs check of static storage base being initialized 1057 ssb_index = mUnit->GetDexFile()->GetIndexForTypeId(*type_id); 1058 field_offset = resolved_field->GetOffset().Int32Value(); 1059 is_volatile = resolved_field->IsVolatile(); 1060 stats_->ResolvedStaticField(); 1061 return true; 1062 } 1063 } 1064 } 1065 } 1066 } 1067 } 1068 // Clean up any exception left by field/type resolution 1069 if (soa.Self()->IsExceptionPending()) { 1070 soa.Self()->ClearException(); 1071 } 1072 stats_->UnresolvedStaticField(); 1073 return false; // Incomplete knowledge needs slow path. 1074} 1075 1076void CompilerDriver::GetCodeAndMethodForDirectCall(InvokeType type, InvokeType sharp_type, 1077 mirror::Class* referrer_class, 1078 mirror::AbstractMethod* method, 1079 uintptr_t& direct_code, 1080 uintptr_t& direct_method, 1081 bool update_stats) { 1082 // For direct and static methods compute possible direct_code and direct_method values, ie 1083 // an address for the Method* being invoked and an address of the code for that Method*. 1084 // For interface calls compute a value for direct_method that is the interface method being 1085 // invoked, so this can be passed to the out-of-line runtime support code. 1086 direct_code = 0; 1087 direct_method = 0; 1088 if (compiler_backend_ == kPortable) { 1089 if (sharp_type != kStatic && sharp_type != kDirect) { 1090 return; 1091 } 1092 } else { 1093 if (sharp_type != kStatic && sharp_type != kDirect && sharp_type != kInterface) { 1094 return; 1095 } 1096 } 1097 bool method_code_in_boot = method->GetDeclaringClass()->GetClassLoader() == NULL; 1098 if (!method_code_in_boot) { 1099 return; 1100 } 1101 bool has_clinit_trampoline = method->IsStatic() && !method->GetDeclaringClass()->IsInitialized(); 1102 if (has_clinit_trampoline && (method->GetDeclaringClass() != referrer_class)) { 1103 // Ensure we run the clinit trampoline unless we are invoking a static method in the same class. 1104 return; 1105 } 1106 if (update_stats) { 1107 if (sharp_type != kInterface) { // Interfaces always go via a trampoline. 1108 stats_->DirectCallsToBoot(type); 1109 } 1110 stats_->DirectMethodsToBoot(type); 1111 } 1112 bool compiling_boot = Runtime::Current()->GetHeap()->GetContinuousSpaces().size() == 1; 1113 if (compiling_boot) { 1114 if (support_boot_image_fixup_) { 1115 MethodHelper mh(method); 1116 if (IsImageClass(mh.GetDeclaringClassDescriptor())) { 1117 // We can only branch directly to Methods that are resolved in the DexCache. 1118 // Otherwise we won't invoke the resolution trampoline. 1119 direct_method = -1; 1120 direct_code = -1; 1121 } 1122 } 1123 } else { 1124 if (Runtime::Current()->GetHeap()->FindSpaceFromObject(method, false)->IsImageSpace()) { 1125 direct_method = reinterpret_cast<uintptr_t>(method); 1126 } 1127 direct_code = reinterpret_cast<uintptr_t>(method->GetEntryPointFromCompiledCode()); 1128 } 1129} 1130 1131bool CompilerDriver::ComputeInvokeInfo(const DexCompilationUnit* mUnit, const uint32_t dex_pc, 1132 InvokeType& invoke_type, 1133 MethodReference& target_method, 1134 int& vtable_idx, 1135 uintptr_t& direct_code, uintptr_t& direct_method, 1136 bool update_stats) { 1137 ScopedObjectAccess soa(Thread::Current()); 1138 vtable_idx = -1; 1139 direct_code = 0; 1140 direct_method = 0; 1141 mirror::AbstractMethod* resolved_method = 1142 ComputeMethodReferencedFromCompilingMethod(soa, mUnit, target_method.dex_method_index, 1143 invoke_type); 1144 if (resolved_method != NULL) { 1145 // Don't try to fast-path if we don't understand the caller's class or this appears to be an 1146 // Incompatible Class Change Error. 1147 mirror::Class* referrer_class = 1148 ComputeCompilingMethodsClass(soa, resolved_method->GetDeclaringClass()->GetDexCache(), 1149 mUnit); 1150 bool icce = resolved_method->CheckIncompatibleClassChange(invoke_type); 1151 if (referrer_class != NULL && !icce) { 1152 mirror::Class* methods_class = resolved_method->GetDeclaringClass(); 1153 if (!referrer_class->CanAccess(methods_class) || 1154 !referrer_class->CanAccessMember(methods_class, 1155 resolved_method->GetAccessFlags())) { 1156 // The referring class can't access the resolved method, this may occur as a result of a 1157 // protected method being made public by implementing an interface that re-declares the 1158 // method public. Resort to the dex file to determine the correct class for the access 1159 // check. 1160 uint16_t class_idx = 1161 target_method.dex_file->GetMethodId(target_method.dex_method_index).class_idx_; 1162 methods_class = mUnit->GetClassLinker()->ResolveType(*target_method.dex_file, 1163 class_idx, referrer_class); 1164 } 1165 if (referrer_class->CanAccess(methods_class) && 1166 referrer_class->CanAccessMember(methods_class, resolved_method->GetAccessFlags())) { 1167 const bool kEnableFinalBasedSharpening = true; 1168 // Sharpen a virtual call into a direct call when the target is known not to have been 1169 // overridden (ie is final). 1170 bool can_sharpen_virtual_based_on_type = 1171 (invoke_type == kVirtual) && (resolved_method->IsFinal() || methods_class->IsFinal()); 1172 // For invoke-super, ensure the vtable index will be correct to dispatch in the vtable of 1173 // the super class. 1174 bool can_sharpen_super_based_on_type = (invoke_type == kSuper) && 1175 (referrer_class != methods_class) && referrer_class->IsSubClass(methods_class) && 1176 resolved_method->GetMethodIndex() < methods_class->GetVTable()->GetLength() && 1177 (methods_class->GetVTable()->Get(resolved_method->GetMethodIndex()) == resolved_method); 1178 1179 if (kEnableFinalBasedSharpening && (can_sharpen_virtual_based_on_type || 1180 can_sharpen_super_based_on_type)) { 1181 // Sharpen a virtual call into a direct call. The method_idx is into referrer's 1182 // dex cache, check that this resolved method is where we expect it. 1183 CHECK(referrer_class->GetDexCache()->GetResolvedMethod(target_method.dex_method_index) == 1184 resolved_method) << PrettyMethod(resolved_method); 1185 if (update_stats) { 1186 stats_->ResolvedMethod(invoke_type); 1187 stats_->VirtualMadeDirect(invoke_type); 1188 } 1189 GetCodeAndMethodForDirectCall(invoke_type, kDirect, referrer_class, resolved_method, 1190 direct_code, direct_method, update_stats); 1191 invoke_type = kDirect; 1192 return true; 1193 } 1194 const bool kEnableVerifierBasedSharpening = true; 1195 if (kEnableVerifierBasedSharpening && (invoke_type == kVirtual || 1196 invoke_type == kInterface)) { 1197 // Did the verifier record a more precise invoke target based on its type information? 1198 const MethodReference caller_method(mUnit->GetDexFile(), mUnit->GetDexMethodIndex()); 1199 const MethodReference* devirt_map_target = 1200 verifier::MethodVerifier::GetDevirtMap(caller_method, dex_pc); 1201 if (devirt_map_target != NULL) { 1202 mirror::DexCache* target_dex_cache = 1203 mUnit->GetClassLinker()->FindDexCache(*devirt_map_target->dex_file); 1204 mirror::ClassLoader* class_loader = 1205 soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 1206 mirror::AbstractMethod* called_method = 1207 mUnit->GetClassLinker()->ResolveMethod(*devirt_map_target->dex_file, 1208 devirt_map_target->dex_method_index, 1209 target_dex_cache, class_loader, NULL, 1210 kVirtual); 1211 CHECK(called_method != NULL); 1212 CHECK(!called_method->IsAbstract()); 1213 GetCodeAndMethodForDirectCall(invoke_type, kDirect, referrer_class, called_method, 1214 direct_code, direct_method, update_stats); 1215 bool compiler_needs_dex_cache = 1216 (GetCompilerBackend() == kPortable) || 1217 (GetCompilerBackend() == kQuick && instruction_set_ != kThumb2) || 1218 (direct_code == 0) || (direct_code == static_cast<unsigned int>(-1)) || 1219 (direct_method == 0) || (direct_method == static_cast<unsigned int>(-1)); 1220 if ((devirt_map_target->dex_file != target_method.dex_file) && 1221 compiler_needs_dex_cache) { 1222 // We need to use the dex cache to find either the method or code, and the dex file 1223 // containing the method isn't the one expected for the target method. Try to find 1224 // the method within the expected target dex file. 1225 // TODO: the -1 could be handled as direct code if the patching new the target dex 1226 // file. 1227 // TODO: quick only supports direct pointers with Thumb2. 1228 // TODO: the following should be factored into a common helper routine to find 1229 // one dex file's method within another. 1230 const DexFile* dexfile = target_method.dex_file; 1231 const DexFile* cm_dexfile = 1232 called_method->GetDeclaringClass()->GetDexCache()->GetDexFile(); 1233 const DexFile::MethodId& cm_method_id = 1234 cm_dexfile->GetMethodId(called_method->GetDexMethodIndex()); 1235 const char* cm_descriptor = cm_dexfile->StringByTypeIdx(cm_method_id.class_idx_); 1236 const DexFile::StringId* descriptor = dexfile->FindStringId(cm_descriptor); 1237 if (descriptor != NULL) { 1238 const DexFile::TypeId* type_id = 1239 dexfile->FindTypeId(dexfile->GetIndexForStringId(*descriptor)); 1240 if (type_id != NULL) { 1241 const char* cm_name = cm_dexfile->GetMethodName(cm_method_id); 1242 const DexFile::StringId* name = dexfile->FindStringId(cm_name); 1243 if (name != NULL) { 1244 uint16_t return_type_idx; 1245 std::vector<uint16_t> param_type_idxs; 1246 bool success = dexfile->CreateTypeList(&return_type_idx, ¶m_type_idxs, 1247 cm_dexfile->GetMethodSignature(cm_method_id)); 1248 if (success) { 1249 const DexFile::ProtoId* sig = 1250 dexfile->FindProtoId(return_type_idx, param_type_idxs); 1251 if (sig != NULL) { 1252 const DexFile::MethodId* method_id = dexfile->FindMethodId(*type_id, 1253 *name, *sig); 1254 if (method_id != NULL) { 1255 if (update_stats) { 1256 stats_->ResolvedMethod(invoke_type); 1257 stats_->VirtualMadeDirect(invoke_type); 1258 stats_->PreciseTypeDevirtualization(); 1259 } 1260 target_method.dex_method_index = dexfile->GetIndexForMethodId(*method_id); 1261 invoke_type = kDirect; 1262 return true; 1263 } 1264 } 1265 } 1266 } 1267 } 1268 } 1269 // TODO: the stats for direct code and method are off as we failed to find the direct 1270 // method in the referring method's dex cache/file. 1271 } else { 1272 if (update_stats) { 1273 stats_->ResolvedMethod(invoke_type); 1274 stats_->VirtualMadeDirect(invoke_type); 1275 stats_->PreciseTypeDevirtualization(); 1276 } 1277 target_method = *devirt_map_target; 1278 invoke_type = kDirect; 1279 return true; 1280 } 1281 } 1282 } 1283 if (invoke_type == kSuper) { 1284 // Unsharpened super calls are suspicious so go slow-path. 1285 } else { 1286 // Sharpening failed so generate a regular resolved method dispatch. 1287 if (update_stats) { 1288 stats_->ResolvedMethod(invoke_type); 1289 } 1290 if (invoke_type == kVirtual || invoke_type == kSuper) { 1291 vtable_idx = resolved_method->GetMethodIndex(); 1292 } 1293 GetCodeAndMethodForDirectCall(invoke_type, invoke_type, referrer_class, resolved_method, 1294 direct_code, direct_method, update_stats); 1295 return true; 1296 } 1297 } 1298 } 1299 } 1300 // Clean up any exception left by method/invoke_type resolution 1301 if (soa.Self()->IsExceptionPending()) { 1302 soa.Self()->ClearException(); 1303 } 1304 if (update_stats) { 1305 stats_->UnresolvedMethod(invoke_type); 1306 } 1307 return false; // Incomplete knowledge needs slow path. 1308} 1309 1310bool CompilerDriver::IsSafeCast(const MethodReference& mr, uint32_t dex_pc) { 1311 bool result = verifier::MethodVerifier::IsSafeCast(mr, dex_pc); 1312 if (result) { 1313 stats_->SafeCast(); 1314 } else { 1315 stats_->NotASafeCast(); 1316 } 1317 return result; 1318} 1319 1320 1321void CompilerDriver::AddCodePatch(const DexFile* dex_file, 1322 uint32_t referrer_method_idx, 1323 InvokeType referrer_invoke_type, 1324 uint32_t target_method_idx, 1325 InvokeType target_invoke_type, 1326 size_t literal_offset) { 1327 MutexLock mu(Thread::Current(), compiled_methods_lock_); 1328 code_to_patch_.push_back(new PatchInformation(dex_file, 1329 referrer_method_idx, 1330 referrer_invoke_type, 1331 target_method_idx, 1332 target_invoke_type, 1333 literal_offset)); 1334} 1335void CompilerDriver::AddMethodPatch(const DexFile* dex_file, 1336 uint32_t referrer_method_idx, 1337 InvokeType referrer_invoke_type, 1338 uint32_t target_method_idx, 1339 InvokeType target_invoke_type, 1340 size_t literal_offset) { 1341 MutexLock mu(Thread::Current(), compiled_methods_lock_); 1342 methods_to_patch_.push_back(new PatchInformation(dex_file, 1343 referrer_method_idx, 1344 referrer_invoke_type, 1345 target_method_idx, 1346 target_invoke_type, 1347 literal_offset)); 1348} 1349 1350class ParallelCompilationManager { 1351 public: 1352 typedef void Callback(const ParallelCompilationManager* manager, size_t index); 1353 1354 ParallelCompilationManager(ClassLinker* class_linker, 1355 jobject class_loader, 1356 CompilerDriver* compiler, 1357 const DexFile* dex_file, 1358 ThreadPool& thread_pool) 1359 : class_linker_(class_linker), 1360 class_loader_(class_loader), 1361 compiler_(compiler), 1362 dex_file_(dex_file), 1363 thread_pool_(&thread_pool) {} 1364 1365 ClassLinker* GetClassLinker() const { 1366 CHECK(class_linker_ != NULL); 1367 return class_linker_; 1368 } 1369 1370 jobject GetClassLoader() const { 1371 return class_loader_; 1372 } 1373 1374 CompilerDriver* GetCompiler() const { 1375 CHECK(compiler_ != NULL); 1376 return compiler_; 1377 } 1378 1379 const DexFile* GetDexFile() const { 1380 CHECK(dex_file_ != NULL); 1381 return dex_file_; 1382 } 1383 1384 void ForAll(size_t begin, size_t end, Callback callback, size_t work_units) { 1385 Thread* self = Thread::Current(); 1386 self->AssertNoPendingException(); 1387 CHECK_GT(work_units, 0U); 1388 1389 std::vector<ForAllClosure*> closures(work_units); 1390 for (size_t i = 0; i < work_units; ++i) { 1391 closures[i] = new ForAllClosure(this, begin + i, end, callback, work_units); 1392 thread_pool_->AddTask(self, closures[i]); 1393 } 1394 thread_pool_->StartWorkers(self); 1395 1396 // Ensure we're suspended while we're blocked waiting for the other threads to finish (worker 1397 // thread destructor's called below perform join). 1398 CHECK_NE(self->GetState(), kRunnable); 1399 1400 // Wait for all the worker threads to finish. 1401 thread_pool_->Wait(self, true, false); 1402 } 1403 1404 private: 1405 class ForAllClosure : public Task { 1406 public: 1407 ForAllClosure(ParallelCompilationManager* manager, size_t begin, size_t end, Callback* callback, 1408 size_t stripe) 1409 : manager_(manager), 1410 begin_(begin), 1411 end_(end), 1412 callback_(callback), 1413 stripe_(stripe) {} 1414 1415 virtual void Run(Thread* self) { 1416 for (size_t i = begin_; i < end_; i += stripe_) { 1417 callback_(manager_, i); 1418 self->AssertNoPendingException(); 1419 } 1420 } 1421 1422 virtual void Finalize() { 1423 delete this; 1424 } 1425 1426 private: 1427 const ParallelCompilationManager* const manager_; 1428 const size_t begin_; 1429 const size_t end_; 1430 const Callback* const callback_; 1431 const size_t stripe_; 1432 }; 1433 1434 ClassLinker* const class_linker_; 1435 const jobject class_loader_; 1436 CompilerDriver* const compiler_; 1437 const DexFile* const dex_file_; 1438 ThreadPool* const thread_pool_; 1439}; 1440 1441// Return true if the class should be skipped during compilation. We 1442// never skip classes in the boot class loader. However, if we have a 1443// non-boot class loader and we can resolve the class in the boot 1444// class loader, we do skip the class. This happens if an app bundles 1445// classes found in the boot classpath. Since at runtime we will 1446// select the class from the boot classpath, do not attempt to resolve 1447// or compile it now. 1448static bool SkipClass(mirror::ClassLoader* class_loader, 1449 const DexFile& dex_file, 1450 const DexFile::ClassDef& class_def) 1451 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1452 if (class_loader == NULL) { 1453 return false; 1454 } 1455 const char* descriptor = dex_file.GetClassDescriptor(class_def); 1456 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1457 mirror::Class* klass = class_linker->FindClass(descriptor, NULL); 1458 if (klass == NULL) { 1459 Thread* self = Thread::Current(); 1460 CHECK(self->IsExceptionPending()); 1461 self->ClearException(); 1462 return false; 1463 } 1464 return true; 1465} 1466 1467static void ResolveClassFieldsAndMethods(const ParallelCompilationManager* manager, size_t class_def_index) 1468 LOCKS_EXCLUDED(Locks::mutator_lock_) { 1469 ScopedObjectAccess soa(Thread::Current()); 1470 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()); 1471 const DexFile& dex_file = *manager->GetDexFile(); 1472 1473 // Method and Field are the worst. We can't resolve without either 1474 // context from the code use (to disambiguate virtual vs direct 1475 // method and instance vs static field) or from class 1476 // definitions. While the compiler will resolve what it can as it 1477 // needs it, here we try to resolve fields and methods used in class 1478 // definitions, since many of them many never be referenced by 1479 // generated code. 1480 const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 1481 if (SkipClass(class_loader, dex_file, class_def)) { 1482 return; 1483 } 1484 1485 // Note the class_data pointer advances through the headers, 1486 // static fields, instance fields, direct methods, and virtual 1487 // methods. 1488 const byte* class_data = dex_file.GetClassData(class_def); 1489 if (class_data == NULL) { 1490 // empty class such as a marker interface 1491 return; 1492 } 1493 Thread* self = Thread::Current(); 1494 ClassLinker* class_linker = manager->GetClassLinker(); 1495 mirror::DexCache* dex_cache = class_linker->FindDexCache(dex_file); 1496 ClassDataItemIterator it(dex_file, class_data); 1497 while (it.HasNextStaticField()) { 1498 mirror::Field* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), dex_cache, 1499 class_loader, true); 1500 if (field == NULL) { 1501 CHECK(self->IsExceptionPending()); 1502 self->ClearException(); 1503 } 1504 it.Next(); 1505 } 1506 // If an instance field is final then we need to have a barrier on the return, static final 1507 // fields are assigned within the lock held for class initialization. 1508 bool requires_constructor_barrier = false; 1509 while (it.HasNextInstanceField()) { 1510 if ((it.GetMemberAccessFlags() & kAccFinal) != 0) { 1511 requires_constructor_barrier = true; 1512 } 1513 1514 mirror::Field* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), dex_cache, 1515 class_loader, false); 1516 if (field == NULL) { 1517 CHECK(self->IsExceptionPending()); 1518 self->ClearException(); 1519 } 1520 it.Next(); 1521 } 1522 if (requires_constructor_barrier) { 1523 manager->GetCompiler()->AddRequiresConstructorBarrier(soa.Self(), manager->GetDexFile(), 1524 class_def_index); 1525 } 1526 while (it.HasNextDirectMethod()) { 1527 mirror::AbstractMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 1528 dex_cache, class_loader, NULL, 1529 it.GetMethodInvokeType(class_def)); 1530 if (method == NULL) { 1531 CHECK(self->IsExceptionPending()); 1532 self->ClearException(); 1533 } 1534 it.Next(); 1535 } 1536 while (it.HasNextVirtualMethod()) { 1537 mirror::AbstractMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 1538 dex_cache, class_loader, NULL, 1539 it.GetMethodInvokeType(class_def)); 1540 if (method == NULL) { 1541 CHECK(self->IsExceptionPending()); 1542 self->ClearException(); 1543 } 1544 it.Next(); 1545 } 1546 DCHECK(!it.HasNext()); 1547} 1548 1549static void ResolveType(const ParallelCompilationManager* manager, size_t type_idx) 1550 LOCKS_EXCLUDED(Locks::mutator_lock_) { 1551 // Class derived values are more complicated, they require the linker and loader. 1552 ScopedObjectAccess soa(Thread::Current()); 1553 ClassLinker* class_linker = manager->GetClassLinker(); 1554 const DexFile& dex_file = *manager->GetDexFile(); 1555 mirror::DexCache* dex_cache = class_linker->FindDexCache(dex_file); 1556 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()); 1557 mirror::Class* klass = class_linker->ResolveType(dex_file, type_idx, dex_cache, class_loader); 1558 1559 if (klass == NULL) { 1560 CHECK(soa.Self()->IsExceptionPending()); 1561 Thread::Current()->ClearException(); 1562 } 1563} 1564 1565void CompilerDriver::ResolveDexFile(jobject class_loader, const DexFile& dex_file, 1566 ThreadPool& thread_pool, base::TimingLogger& timings) { 1567 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1568 1569 // TODO: we could resolve strings here, although the string table is largely filled with class 1570 // and method names. 1571 1572 timings.NewSplit(strdup(("Resolve " + dex_file.GetLocation() + " Types").c_str())); 1573 ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool); 1574 context.ForAll(0, dex_file.NumTypeIds(), ResolveType, thread_count_); 1575 1576 timings.NewSplit(strdup(("Resolve " + dex_file.GetLocation() + " MethodsAndFields").c_str())); 1577 context.ForAll(0, dex_file.NumClassDefs(), ResolveClassFieldsAndMethods, thread_count_); 1578} 1579 1580void CompilerDriver::Verify(jobject class_loader, const std::vector<const DexFile*>& dex_files, 1581 ThreadPool& thread_pool, base::TimingLogger& timings) { 1582 for (size_t i = 0; i != dex_files.size(); ++i) { 1583 const DexFile* dex_file = dex_files[i]; 1584 CHECK(dex_file != NULL); 1585 VerifyDexFile(class_loader, *dex_file, thread_pool, timings); 1586 } 1587} 1588 1589static void VerifyClass(const ParallelCompilationManager* manager, size_t class_def_index) 1590 LOCKS_EXCLUDED(Locks::mutator_lock_) { 1591 ScopedObjectAccess soa(Thread::Current()); 1592 const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index); 1593 const char* descriptor = manager->GetDexFile()->GetClassDescriptor(class_def); 1594 mirror::Class* klass = 1595 manager->GetClassLinker()->FindClass(descriptor, 1596 soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader())); 1597 if (klass == NULL) { 1598 CHECK(soa.Self()->IsExceptionPending()); 1599 soa.Self()->ClearException(); 1600 1601 /* 1602 * At compile time, we can still structurally verify the class even if FindClass fails. 1603 * This is to ensure the class is structurally sound for compilation. An unsound class 1604 * will be rejected by the verifier and later skipped during compilation in the compiler. 1605 */ 1606 mirror::DexCache* dex_cache = manager->GetClassLinker()->FindDexCache(*manager->GetDexFile()); 1607 std::string error_msg; 1608 if (verifier::MethodVerifier::VerifyClass(manager->GetDexFile(), 1609 dex_cache, 1610 soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()), 1611 class_def_index, error_msg, true) == 1612 verifier::MethodVerifier::kHardFailure) { 1613 const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index); 1614 LOG(ERROR) << "Verification failed on class " 1615 << PrettyDescriptor(manager->GetDexFile()->GetClassDescriptor(class_def)) 1616 << " because: " << error_msg; 1617 } 1618 return; 1619 } 1620 CHECK(klass->IsResolved()) << PrettyClass(klass); 1621 manager->GetClassLinker()->VerifyClass(klass); 1622 1623 if (klass->IsErroneous()) { 1624 // ClassLinker::VerifyClass throws, which isn't useful in the compiler. 1625 CHECK(soa.Self()->IsExceptionPending()); 1626 soa.Self()->ClearException(); 1627 } 1628 1629 CHECK(klass->IsCompileTimeVerified() || klass->IsErroneous()) 1630 << PrettyDescriptor(klass) << ": state=" << klass->GetStatus(); 1631 soa.Self()->AssertNoPendingException(); 1632} 1633 1634void CompilerDriver::VerifyDexFile(jobject class_loader, const DexFile& dex_file, 1635 ThreadPool& thread_pool, base::TimingLogger& timings) { 1636 timings.NewSplit(strdup(("Verify " + dex_file.GetLocation()).c_str())); 1637 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1638 ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool); 1639 context.ForAll(0, dex_file.NumClassDefs(), VerifyClass, thread_count_); 1640} 1641 1642static const char* class_initializer_black_list[] = { 1643 "Landroid/app/ActivityThread;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1644 "Landroid/bluetooth/BluetoothAudioGateway;", // Calls android.bluetooth.BluetoothAudioGateway.classInitNative(). 1645 "Landroid/bluetooth/HeadsetBase;", // Calls android.bluetooth.HeadsetBase.classInitNative(). 1646 "Landroid/content/res/CompatibilityInfo;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1647 "Landroid/content/res/CompatibilityInfo$1;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1648 "Landroid/content/UriMatcher;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1649 "Landroid/database/CursorWindow;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1650 "Landroid/database/sqlite/SQLiteConnection;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1651 "Landroid/database/sqlite/SQLiteConnection$Operation;", // Requires SimpleDateFormat -> java.util.Locale. 1652 "Landroid/database/sqlite/SQLiteDatabaseConfiguration;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1653 "Landroid/database/sqlite/SQLiteDebug;", // Calls android.util.Log.isLoggable. 1654 "Landroid/database/sqlite/SQLiteOpenHelper;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex. 1655 "Landroid/database/sqlite/SQLiteQueryBuilder;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1656 "Landroid/drm/DrmManagerClient;", // Calls System.loadLibrary. 1657 "Landroid/graphics/drawable/AnimatedRotateDrawable;", // Sub-class of Drawable. 1658 "Landroid/graphics/drawable/AnimationDrawable;", // Sub-class of Drawable. 1659 "Landroid/graphics/drawable/BitmapDrawable;", // Sub-class of Drawable. 1660 "Landroid/graphics/drawable/ClipDrawable;", // Sub-class of Drawable. 1661 "Landroid/graphics/drawable/ColorDrawable;", // Sub-class of Drawable. 1662 "Landroid/graphics/drawable/Drawable;", // Requires android.graphics.Rect. 1663 "Landroid/graphics/drawable/DrawableContainer;", // Sub-class of Drawable. 1664 "Landroid/graphics/drawable/GradientDrawable;", // Sub-class of Drawable. 1665 "Landroid/graphics/drawable/LayerDrawable;", // Sub-class of Drawable. 1666 "Landroid/graphics/drawable/NinePatchDrawable;", // Sub-class of Drawable. 1667 "Landroid/graphics/drawable/RotateDrawable;", // Sub-class of Drawable. 1668 "Landroid/graphics/drawable/ScaleDrawable;", // Sub-class of Drawable. 1669 "Landroid/graphics/drawable/ShapeDrawable;", // Sub-class of Drawable. 1670 "Landroid/graphics/drawable/StateListDrawable;", // Sub-class of Drawable. 1671 "Landroid/graphics/drawable/TransitionDrawable;", // Sub-class of Drawable. 1672 "Landroid/graphics/Matrix;", // Calls android.graphics.Matrix.native_create. 1673 "Landroid/graphics/Matrix$1;", // Requires Matrix. 1674 "Landroid/graphics/PixelFormat;", // Calls android.graphics.PixelFormat.nativeClassInit(). 1675 "Landroid/graphics/Rect;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1676 "Landroid/graphics/SurfaceTexture;", // Calls android.graphics.SurfaceTexture.nativeClassInit(). 1677 "Landroid/graphics/Typeface;", // Calls android.graphics.Typeface.nativeCreate. 1678 "Landroid/inputmethodservice/ExtractEditText;", // Requires android.widget.TextView. 1679 "Landroid/media/AmrInputStream;", // Calls OsConstants.initConstants. 1680 "Landroid/media/CamcorderProfile;", // Calls OsConstants.initConstants. 1681 "Landroid/media/CameraProfile;", // Calls System.loadLibrary. 1682 "Landroid/media/DecoderCapabilities;", // Calls System.loadLibrary. 1683 "Landroid/media/EncoderCapabilities;", // Calls OsConstants.initConstants. 1684 "Landroid/media/ExifInterface;", // Calls OsConstants.initConstants. 1685 "Landroid/media/MediaCodec;", // Calls OsConstants.initConstants. 1686 "Landroid/media/MediaCodecList;", // Calls OsConstants.initConstants. 1687 "Landroid/media/MediaCrypto;", // Calls OsConstants.initConstants. 1688 "Landroid/media/MediaDrm;", // Calls OsConstants.initConstants. 1689 "Landroid/media/MediaExtractor;", // Calls OsConstants.initConstants. 1690 "Landroid/media/MediaFile;", // Requires DecoderCapabilities. 1691 "Landroid/media/MediaMetadataRetriever;", // Calls OsConstants.initConstants. 1692 "Landroid/media/MediaMuxer;", // Calls OsConstants.initConstants. 1693 "Landroid/media/MediaPlayer;", // Calls System.loadLibrary. 1694 "Landroid/media/MediaRecorder;", // Calls System.loadLibrary. 1695 "Landroid/media/MediaScanner;", // Calls System.loadLibrary. 1696 "Landroid/media/ResampleInputStream;", // Calls OsConstants.initConstants. 1697 "Landroid/media/SoundPool;", // Calls OsConstants.initConstants. 1698 "Landroid/media/videoeditor/MediaArtistNativeHelper;", // Calls OsConstants.initConstants. 1699 "Landroid/media/videoeditor/VideoEditorProfile;", // Calls OsConstants.initConstants. 1700 "Landroid/mtp/MtpDatabase;", // Calls OsConstants.initConstants. 1701 "Landroid/mtp/MtpDevice;", // Calls OsConstants.initConstants. 1702 "Landroid/mtp/MtpServer;", // Calls OsConstants.initConstants. 1703 "Landroid/net/NetworkInfo;", // Calls java.util.EnumMap.<init> -> java.lang.Enum.getSharedConstants -> System.identityHashCode. 1704 "Landroid/net/Proxy;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1705 "Landroid/net/SSLCertificateSocketFactory;", // Requires javax.net.ssl.HttpsURLConnection. 1706 "Landroid/net/Uri;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex. 1707 "Landroid/net/Uri$AbstractHierarchicalUri;", // Requires Uri. 1708 "Landroid/net/Uri$HierarchicalUri;", // Requires Uri. 1709 "Landroid/net/Uri$OpaqueUri;", // Requires Uri. 1710 "Landroid/net/Uri$StringUri;", // Requires Uri. 1711 "Landroid/net/WebAddress;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1712 "Landroid/nfc/NdefRecord;", // Calls String.getBytes -> java.nio.charset.Charset. 1713 "Landroid/opengl/EGL14;", // Calls android.opengl.EGL14._nativeClassInit. 1714 "Landroid/opengl/GLES10;", // Calls android.opengl.GLES10._nativeClassInit. 1715 "Landroid/opengl/GLES10Ext;", // Calls android.opengl.GLES10Ext._nativeClassInit. 1716 "Landroid/opengl/GLES11;", // Requires GLES10. 1717 "Landroid/opengl/GLES11Ext;", // Calls android.opengl.GLES11Ext._nativeClassInit. 1718 "Landroid/opengl/GLES20;", // Calls android.opengl.GLES20._nativeClassInit. 1719 "Landroid/opengl/GLUtils;", // Calls android.opengl.GLUtils.nativeClassInit. 1720 "Landroid/os/Build;", // Calls -..-> android.os.SystemProperties.native_get. 1721 "Landroid/os/Build$VERSION;", // Requires Build. 1722 "Landroid/os/Debug;", // Requires android.os.Environment. 1723 "Landroid/os/Environment;", // Calls System.getenv. 1724 "Landroid/os/FileUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1725 "Landroid/os/StrictMode;", // Calls android.util.Log.isLoggable. 1726 "Landroid/os/StrictMode$VmPolicy;", // Requires StrictMode. 1727 "Landroid/os/Trace;", // Calls android.os.Trace.nativeGetEnabledTags. 1728 "Landroid/os/UEventObserver;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex. 1729 "Landroid/provider/ContactsContract;", // Calls OsConstants.initConstants. 1730 "Landroid/provider/Settings$Global;", // Calls OsConstants.initConstants. 1731 "Landroid/provider/Settings$Secure;", // Requires android.net.Uri. 1732 "Landroid/provider/Settings$System;", // Requires android.net.Uri. 1733 "Landroid/renderscript/RenderScript;", // Calls System.loadLibrary. 1734 "Landroid/server/BluetoothService;", // Calls android.server.BluetoothService.classInitNative. 1735 "Landroid/server/BluetoothEventLoop;", // Calls android.server.BluetoothEventLoop.classInitNative. 1736 "Landroid/telephony/PhoneNumberUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1737 "Landroid/telephony/TelephonyManager;", // Calls OsConstants.initConstants. 1738 "Landroid/text/AutoText;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1739 "Landroid/text/Layout;", // Calls com.android.internal.util.ArrayUtils.emptyArray -> System.identityHashCode. 1740 "Landroid/text/BoringLayout;", // Requires Layout. 1741 "Landroid/text/DynamicLayout;", // Requires Layout. 1742 "Landroid/text/Html$HtmlParser;", // Calls -..-> String.toLowerCase -> java.util.Locale. 1743 "Landroid/text/StaticLayout;", // Requires Layout. 1744 "Landroid/text/TextUtils;", // Requires android.util.DisplayMetrics. 1745 "Landroid/util/DisplayMetrics;", // Calls SystemProperties.native_get_int. 1746 "Landroid/util/Patterns;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1747 "Landroid/view/Choreographer;", // Calls SystemProperties.native_get_boolean. 1748 "Landroid/util/Patterns;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1749 "Landroid/view/GLES20Canvas;", // Calls GLES20Canvas.nIsAvailable(). 1750 "Landroid/view/GLES20RecordingCanvas;", // Requires android.view.GLES20Canvas. 1751 "Landroid/view/GestureDetector;", // Calls android.view.GLES20Canvas.nIsAvailable. 1752 "Landroid/view/HardwareRenderer$Gl20Renderer;", // Requires SystemProperties.native_get. 1753 "Landroid/view/HardwareRenderer$GlRenderer;", // Requires SystemProperties.native_get. 1754 "Landroid/view/InputEventConsistencyVerifier;", // Requires android.os.Build. 1755 "Landroid/view/Surface;", // Requires SystemProperties.native_get. 1756 "Landroid/view/SurfaceControl;", // Calls OsConstants.initConstants. 1757 "Landroid/view/animation/AlphaAnimation;", // Requires Animation. 1758 "Landroid/view/animation/Animation;", // Calls SystemProperties.native_get_boolean. 1759 "Landroid/view/animation/AnimationSet;", // Calls OsConstants.initConstants. 1760 "Landroid/view/textservice/SpellCheckerSubtype;", // Calls Class.getDex(). 1761 "Landroid/webkit/JniUtil;", // Calls System.loadLibrary. 1762 "Landroid/webkit/PluginManager;", // // Calls OsConstants.initConstants. 1763 "Landroid/webkit/WebViewCore;", // Calls System.loadLibrary. 1764 "Landroid/webkit/WebViewFactory$Preloader;", // Calls to Class.forName. 1765 "Landroid/webkit/WebViewInputDispatcher;", // Calls Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1766 "Landroid/webkit/URLUtil;", // Calls Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1767 "Landroid/widget/AutoCompleteTextView;", // Requires TextView. 1768 "Landroid/widget/Button;", // Requires TextView. 1769 "Landroid/widget/CheckBox;", // Requires TextView. 1770 "Landroid/widget/CheckedTextView;", // Requires TextView. 1771 "Landroid/widget/CompoundButton;", // Requires TextView. 1772 "Landroid/widget/EditText;", // Requires TextView. 1773 "Landroid/widget/NumberPicker;", // Requires java.util.Locale. 1774 "Landroid/widget/ScrollBarDrawable;", // Sub-class of Drawable. 1775 "Landroid/widget/SearchView$SearchAutoComplete;", // Requires TextView. 1776 "Landroid/widget/Switch;", // Requires TextView. 1777 "Landroid/widget/TextView;", // Calls Paint.<init> -> Paint.native_init. 1778 "Lcom/android/i18n/phonenumbers/AsYouTypeFormatter;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1779 "Lcom/android/i18n/phonenumbers/MetadataManager;", // Calls OsConstants.initConstants. 1780 "Lcom/android/i18n/phonenumbers/PhoneNumberMatcher;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1781 "Lcom/android/i18n/phonenumbers/PhoneNumberUtil;", // Requires java.util.logging.LogManager. 1782 "Lcom/android/i18n/phonenumbers/geocoding/AreaCodeMap;", // Calls OsConstants.initConstants. 1783 "Lcom/android/i18n/phonenumbers/geocoding/PhoneNumberOfflineGeocoder;", // Calls OsConstants.initConstants. 1784 "Lcom/android/internal/os/SamplingProfilerIntegration;", // Calls SystemProperties.native_get_int. 1785 "Lcom/android/internal/policy/impl/PhoneWindow;", // Calls android.os.Binder.init. 1786 "Lcom/android/internal/view/menu/ActionMenuItemView;", // Requires TextView. 1787 "Lcom/android/internal/widget/DialogTitle;", // Requires TextView. 1788 "Lcom/android/org/bouncycastle/asn1/StreamUtil;", // Calls Runtime.getRuntime().maxMemory(). 1789 "Lcom/android/org/bouncycastle/asn1/pkcs/MacData;", // Calls native ... -> java.math.NativeBN.BN_new(). 1790 "Lcom/android/org/bouncycastle/asn1/pkcs/RSASSAPSSparams;", // Calls native ... -> java.math.NativeBN.BN_new(). 1791 "Lcom/android/org/bouncycastle/asn1/cms/SignedData;", // Calls native ... -> java.math.NativeBN.BN_new(). 1792 "Lcom/android/org/bouncycastle/asn1/x509/GeneralSubtree;", // Calls native ... -> java.math.NativeBN.BN_new(). 1793 "Lcom/android/org/bouncycastle/asn1/x9/X9ECParameters;", // Calls native ... -> java.math.NativeBN.BN_new(). 1794 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$MD5;", // Requires com.android.org.conscrypt.NativeCrypto. 1795 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA1;", // Requires com.android.org.conscrypt.NativeCrypto. 1796 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA256;", // Requires com.android.org.conscrypt.NativeCrypto. 1797 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA384;", // Requires com.android.org.conscrypt.NativeCrypto. 1798 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA512;", // Requires com.android.org.conscrypt.NativeCrypto. 1799 "Lcom/android/org/bouncycastle/crypto/engines/RSABlindedEngine;", // Calls native ... -> java.math.NativeBN.BN_new(). 1800 "Lcom/android/org/bouncycastle/crypto/generators/DHKeyGeneratorHelper;", // Calls native ... -> java.math.NativeBN.BN_new(). 1801 "Lcom/android/org/bouncycastle/crypto/generators/DHParametersGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1802 "Lcom/android/org/bouncycastle/crypto/generators/DHParametersHelper;", // Calls System.getenv -> OsConstants.initConstants. 1803 "Lcom/android/org/bouncycastle/crypto/generators/DSAKeyPairGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1804 "Lcom/android/org/bouncycastle/crypto/generators/DSAParametersGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1805 "Lcom/android/org/bouncycastle/crypto/generators/RSAKeyPairGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1806 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/dh/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1807 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/dsa/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1808 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$EC;", // Calls OsConstants.initConstants. 1809 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDH;", // Calls OsConstants.initConstants. 1810 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDHC;", // Calls OsConstants.initConstants. 1811 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDSA;", // Calls OsConstants.initConstants. 1812 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECMQV;", // Calls OsConstants.initConstants. 1813 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1814 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/BCRSAPrivateCrtKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1815 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/BCRSAPrivateKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1816 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1817 "Lcom/android/org/bouncycastle/jcajce/provider/keystore/pkcs12/PKCS12KeyStoreSpi$BCPKCS12KeyStore;", // Calls Thread.currentThread. 1818 "Lcom/android/org/bouncycastle/jcajce/provider/keystore/pkcs12/PKCS12KeyStoreSpi;", // Calls Thread.currentThread. 1819 "Lcom/android/org/bouncycastle/jce/PKCS10CertificationRequest;", // Calls native ... -> java.math.NativeBN.BN_new(). 1820 "Lcom/android/org/bouncycastle/jce/provider/CertBlacklist;", // Calls System.getenv -> OsConstants.initConstants. 1821 "Lcom/android/org/bouncycastle/jce/provider/JCERSAPrivateCrtKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1822 "Lcom/android/org/bouncycastle/jce/provider/JCERSAPrivateKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1823 "Lcom/android/org/bouncycastle/jce/provider/PKIXCertPathValidatorSpi;", // Calls System.getenv -> OsConstants.initConstants. 1824 "Lcom/android/org/bouncycastle/math/ec/ECConstants;", // Calls native ... -> java.math.NativeBN.BN_new(). 1825 "Lcom/android/org/bouncycastle/math/ec/Tnaf;", // Calls native ... -> java.math.NativeBN.BN_new(). 1826 "Lcom/android/org/bouncycastle/util/BigIntegers;", // Calls native ... -> java.math.NativeBN.BN_new(). 1827 "Lcom/android/org/bouncycastle/x509/X509Util;", // Calls native ... -> java.math.NativeBN.BN_new(). 1828 "Lcom/android/org/conscrypt/CipherSuite;", // Calls OsConstants.initConstants. 1829 "Lcom/android/org/conscrypt/FileClientSessionCache$CacheFile;", // Calls OsConstants.initConstants. 1830 "Lcom/android/org/conscrypt/HandshakeIODataStream;", // Calls OsConstants.initConstants. 1831 "Lcom/android/org/conscrypt/Logger;", // Calls OsConstants.initConstants. 1832 "Lcom/android/org/conscrypt/NativeCrypto;", // Calls native NativeCrypto.clinit(). 1833 "Lcom/android/org/conscrypt/OpenSSLECKeyPairGenerator;", // Calls OsConstants.initConstants. 1834 "Lcom/android/org/conscrypt/OpenSSLEngine;", // Requires com.android.org.conscrypt.NativeCrypto. 1835 "Lcom/android/org/conscrypt/OpenSSLMac$HmacMD5;", // Calls native NativeCrypto.clinit(). 1836 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA1;", // Calls native NativeCrypto.clinit(). 1837 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA256;", // Calls native NativeCrypto.clinit(). 1838 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA384;", // Calls native NativeCrypto.clinit(). 1839 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA512;", // Calls native NativeCrypto.clinit(). 1840 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$MD5;", // Requires com.android.org.conscrypt.NativeCrypto. 1841 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA1;", // Requires com.android.org.conscrypt.NativeCrypto. 1842 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA256;", // Requires com.android.org.conscrypt.NativeCrypto. 1843 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA384;", // Requires com.android.org.conscrypt.NativeCrypto. 1844 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA512;", // Requires com.android.org.conscrypt.NativeCrypto. 1845 "Lcom/android/org/conscrypt/OpenSSLX509CertPath;", // Calls OsConstants.initConstants. 1846 "Lcom/android/org/conscrypt/OpenSSLX509CertificateFactory;", // Calls OsConstants.initConstants. 1847 "Lcom/android/org/conscrypt/PRF;", // Calls OsConstants.initConstants. 1848 "Lcom/android/org/conscrypt/SSLSessionImpl;", // Calls OsConstants.initConstants. 1849 "Lcom/android/org/conscrypt/TrustedCertificateStore;", // Calls System.getenv -> OsConstants.initConstants. 1850 "Lcom/android/okhttp/ConnectionPool;", // Calls OsConstants.initConstants. 1851 "Lcom/android/okhttp/OkHttpClient;", // Calls OsConstants.initConstants. 1852 "Lcom/android/okhttp/internal/DiskLruCache;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1853 "Lcom/android/okhttp/internal/Util;", // Calls OsConstants.initConstants. 1854 "Lcom/android/okhttp/internal/http/HttpsURLConnectionImpl;", // Calls VMClassLoader.getBootClassPathSize. 1855 "Lcom/android/okhttp/internal/spdy/SpdyConnection;", // Calls OsConstants.initConstants. 1856 "Lcom/android/okhttp/internal/spdy/SpdyReader;", // Calls OsConstants.initConstants. 1857 "Lcom/android/okhttp/internal/tls/OkHostnameVerifier;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1858 "Lcom/google/android/gles_jni/EGLContextImpl;", // Calls com.google.android.gles_jni.EGLImpl._nativeClassInit. 1859 "Lcom/google/android/gles_jni/EGLImpl;", // Calls com.google.android.gles_jni.EGLImpl._nativeClassInit. 1860 "Lcom/google/android/gles_jni/GLImpl;", // Calls com.google.android.gles_jni.GLImpl._nativeClassInit. 1861 "Lgov/nist/core/GenericObject;", // Calls OsConstants.initConstants. 1862 "Lgov/nist/core/Host;", // Calls OsConstants.initConstants. 1863 "Lgov/nist/core/HostPort;", // Calls OsConstants.initConstants. 1864 "Lgov/nist/core/NameValue;", // Calls OsConstants.initConstants. 1865 "Lgov/nist/core/net/DefaultNetworkLayer;", // Calls OsConstants.initConstants. 1866 "Lgov/nist/javax/sip/Utils;", // Calls OsConstants.initConstants. 1867 "Lgov/nist/javax/sip/address/AddressImpl;", // Calls OsConstants.initConstants. 1868 "Lgov/nist/javax/sip/address/Authority;", // Calls OsConstants.initConstants. 1869 "Lgov/nist/javax/sip/address/GenericURI;", // Calls OsConstants.initConstants. 1870 "Lgov/nist/javax/sip/address/NetObject;", // Calls OsConstants.initConstants. 1871 "Lgov/nist/javax/sip/address/SipUri;", // Calls OsConstants.initConstants. 1872 "Lgov/nist/javax/sip/address/TelephoneNumber;", // Calls OsConstants.initConstants. 1873 "Lgov/nist/javax/sip/address/UserInfo;", // Calls OsConstants.initConstants. 1874 "Lgov/nist/javax/sip/header/Accept;", // Calls OsConstants.initConstants. 1875 "Lgov/nist/javax/sip/header/AcceptEncoding;", // Calls OsConstants.initConstants. 1876 "Lgov/nist/javax/sip/header/AcceptLanguage;", // Calls OsConstants.initConstants. 1877 "Lgov/nist/javax/sip/header/AddressParametersHeader;", // Calls OsConstants.initConstants. 1878 "Lgov/nist/javax/sip/header/AlertInfoList;", // Calls OsConstants.initConstants. 1879 "Lgov/nist/javax/sip/header/AllowEvents;", // Calls OsConstants.initConstants. 1880 "Lgov/nist/javax/sip/header/AllowEventsList;", // Calls OsConstants.initConstants. 1881 "Lgov/nist/javax/sip/header/AuthenticationInfo;", // Calls OsConstants.initConstants. 1882 "Lgov/nist/javax/sip/header/Authorization;", // Calls OsConstants.initConstants. 1883 "Lgov/nist/javax/sip/header/CSeq;", // Calls OsConstants.initConstants. 1884 "Lgov/nist/javax/sip/header/CallIdentifier;", // Calls OsConstants.initConstants. 1885 "Lgov/nist/javax/sip/header/Challenge;", // Calls OsConstants.initConstants. 1886 "Lgov/nist/javax/sip/header/ContactList;", // Calls OsConstants.initConstants. 1887 "Lgov/nist/javax/sip/header/ContentEncoding;", // Calls OsConstants.initConstants. 1888 "Lgov/nist/javax/sip/header/ContentEncodingList;", // Calls OsConstants.initConstants. 1889 "Lgov/nist/javax/sip/header/ContentLanguageList;", // Calls OsConstants.initConstants. 1890 "Lgov/nist/javax/sip/header/ContentType;", // Calls OsConstants.initConstants. 1891 "Lgov/nist/javax/sip/header/Credentials;", // Calls OsConstants.initConstants. 1892 "Lgov/nist/javax/sip/header/ErrorInfoList;", // Calls OsConstants.initConstants. 1893 "Lgov/nist/javax/sip/header/Expires;", // Calls OsConstants.initConstants. 1894 "Lgov/nist/javax/sip/header/From;", // Calls OsConstants.initConstants. 1895 "Lgov/nist/javax/sip/header/MimeVersion;", // Calls OsConstants.initConstants. 1896 "Lgov/nist/javax/sip/header/NameMap;", // Calls OsConstants.initConstants. 1897 "Lgov/nist/javax/sip/header/Priority;", // Calls OsConstants.initConstants. 1898 "Lgov/nist/javax/sip/header/Protocol;", // Calls OsConstants.initConstants. 1899 "Lgov/nist/javax/sip/header/ProxyAuthenticate;", // Calls OsConstants.initConstants. 1900 "Lgov/nist/javax/sip/header/ProxyAuthenticateList;", // Calls OsConstants.initConstants. 1901 "Lgov/nist/javax/sip/header/ProxyAuthorizationList;", // Calls OsConstants.initConstants. 1902 "Lgov/nist/javax/sip/header/ProxyRequire;", // Calls OsConstants.initConstants. 1903 "Lgov/nist/javax/sip/header/ProxyRequireList;", // Calls OsConstants.initConstants. 1904 "Lgov/nist/javax/sip/header/RSeq;", // Calls OsConstants.initConstants. 1905 "Lgov/nist/javax/sip/header/RecordRoute;", // Calls OsConstants.initConstants. 1906 "Lgov/nist/javax/sip/header/ReferTo;", // Calls OsConstants.initConstants. 1907 "Lgov/nist/javax/sip/header/RequestLine;", // Calls OsConstants.initConstants. 1908 "Lgov/nist/javax/sip/header/Require;", // Calls OsConstants.initConstants. 1909 "Lgov/nist/javax/sip/header/RetryAfter;", // Calls OsConstants.initConstants. 1910 "Lgov/nist/javax/sip/header/SIPETag;", // Calls OsConstants.initConstants. 1911 "Lgov/nist/javax/sip/header/SIPHeader;", // Calls OsConstants.initConstants. 1912 "Lgov/nist/javax/sip/header/SIPHeaderNamesCache;", // Calls OsConstants.initConstants. 1913 "Lgov/nist/javax/sip/header/StatusLine;", // Calls OsConstants.initConstants. 1914 "Lgov/nist/javax/sip/header/SubscriptionState;", // Calls OsConstants.initConstants. 1915 "Lgov/nist/javax/sip/header/TimeStamp;", // Calls OsConstants.initConstants. 1916 "Lgov/nist/javax/sip/header/UserAgent;", // Calls OsConstants.initConstants. 1917 "Lgov/nist/javax/sip/header/Unsupported;", // Calls OsConstants.initConstants. 1918 "Lgov/nist/javax/sip/header/Warning;", // Calls OsConstants.initConstants. 1919 "Lgov/nist/javax/sip/header/ViaList;", // Calls OsConstants.initConstants. 1920 "Lgov/nist/javax/sip/header/extensions/Join;", // Calls OsConstants.initConstants. 1921 "Lgov/nist/javax/sip/header/extensions/References;", // Calls OsConstants.initConstants. 1922 "Lgov/nist/javax/sip/header/extensions/Replaces;", // Calls OsConstants.initConstants. 1923 "Lgov/nist/javax/sip/header/ims/PAccessNetworkInfo;", // Calls OsConstants.initConstants. 1924 "Lgov/nist/javax/sip/header/ims/PAssertedIdentity;", // Calls OsConstants.initConstants. 1925 "Lgov/nist/javax/sip/header/ims/PAssertedIdentityList;", // Calls OsConstants.initConstants. 1926 "Lgov/nist/javax/sip/header/ims/PAssociatedURI;", // Calls OsConstants.initConstants. 1927 "Lgov/nist/javax/sip/header/ims/PCalledPartyID;", // Calls OsConstants.initConstants. 1928 "Lgov/nist/javax/sip/header/ims/PChargingVector;", // Calls OsConstants.initConstants. 1929 "Lgov/nist/javax/sip/header/ims/PPreferredIdentity;", // Calls OsConstants.initConstants. 1930 "Lgov/nist/javax/sip/header/ims/PVisitedNetworkIDList;", // Calls OsConstants.initConstants. 1931 "Lgov/nist/javax/sip/header/ims/PathList;", // Calls OsConstants.initConstants. 1932 "Lgov/nist/javax/sip/header/ims/SecurityAgree;", // Calls OsConstants.initConstants. 1933 "Lgov/nist/javax/sip/header/ims/SecurityClient;", // Calls OsConstants.initConstants. 1934 "Lgov/nist/javax/sip/header/ims/ServiceRoute;", // Calls OsConstants.initConstants. 1935 "Ljava/io/Console;", // Has FileDescriptor(s). 1936 "Ljava/io/File;", // Calls to Random.<init> -> System.currentTimeMillis -> OsConstants.initConstants. 1937 "Ljava/io/FileDescriptor;", // Requires libcore.io.OsConstants. 1938 "Ljava/io/ObjectInputStream;", // Requires java.lang.ClassLoader$SystemClassLoader. 1939 "Ljava/io/ObjectStreamClass;", // Calls to Class.forName -> java.io.FileDescriptor. 1940 "Ljava/io/ObjectStreamConstants;", // Instance of non-image class SerializablePermission. 1941 "Ljava/lang/ClassLoader$SystemClassLoader;", // Calls System.getProperty -> OsConstants.initConstants. 1942 "Ljava/lang/HexStringParser;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1943 "Ljava/lang/ProcessManager;", // Calls Thread.currentThread. 1944 "Ljava/lang/Runtime;", // Calls System.getProperty -> OsConstants.initConstants. 1945 "Ljava/lang/System;", // Calls OsConstants.initConstants. 1946 "Ljava/math/BigDecimal;", // Calls native ... -> java.math.NativeBN.BN_new(). 1947 "Ljava/math/BigInteger;", // Calls native ... -> java.math.NativeBN.BN_new(). 1948 "Ljava/math/Primality;", // Calls native ... -> java.math.NativeBN.BN_new(). 1949 "Ljava/math/Multiplication;", // Calls native ... -> java.math.NativeBN.BN_new(). 1950 "Ljava/net/InetAddress;", // Requires libcore.io.OsConstants. 1951 "Ljava/net/Inet4Address;", // Sub-class of InetAddress. 1952 "Ljava/net/Inet6Address;", // Sub-class of InetAddress. 1953 "Ljava/net/InetUnixAddress;", // Sub-class of InetAddress. 1954 "Ljava/nio/charset/Charset;", // Calls Charset.getDefaultCharset -> System.getProperty -> OsConstants.initConstants. 1955 "Ljava/nio/charset/CharsetICU;", // Sub-class of Charset. 1956 "Ljava/nio/charset/Charsets;", // Calls Charset.forName. 1957 "Ljava/nio/charset/StandardCharsets;", // Calls OsConstants.initConstants. 1958 "Ljava/security/AlgorithmParameterGenerator;", // Calls OsConstants.initConstants. 1959 "Ljava/security/KeyPairGenerator$KeyPairGeneratorImpl;", // Calls OsConstants.initConstants. 1960 "Ljava/security/KeyPairGenerator;", // Calls OsConstants.initConstants. 1961 "Ljava/security/Security;", // Tries to do disk IO for "security.properties". 1962 "Ljava/security/spec/RSAKeyGenParameterSpec;", // java.math.NativeBN.BN_new() 1963 "Ljava/sql/Date;", // Calls OsConstants.initConstants. 1964 "Ljava/sql/DriverManager;", // Calls OsConstants.initConstants. 1965 "Ljava/sql/Time;", // Calls OsConstants.initConstants. 1966 "Ljava/sql/Timestamp;", // Calls OsConstants.initConstants. 1967 "Ljava/util/Date;", // Calls Date.<init> -> System.currentTimeMillis -> OsConstants.initConstants. 1968 "Ljava/util/ListResourceBundle;", // Calls OsConstants.initConstants. 1969 "Ljava/util/Locale;", // Calls System.getProperty -> OsConstants.initConstants. 1970 "Ljava/util/PropertyResourceBundle;", // Calls OsConstants.initConstants. 1971 "Ljava/util/ResourceBundle;", // Calls OsConstants.initConstants. 1972 "Ljava/util/ResourceBundle$MissingBundle;", // Calls OsConstants.initConstants. 1973 "Ljava/util/Scanner;", // regex.Pattern.compileImpl. 1974 "Ljava/util/SimpleTimeZone;", // Sub-class of TimeZone. 1975 "Ljava/util/TimeZone;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1976 "Ljava/util/concurrent/ConcurrentHashMap$Segment;", // Calls Runtime.getRuntime().availableProcessors(). 1977 "Ljava/util/concurrent/ConcurrentSkipListMap;", // Calls OsConstants.initConstants. 1978 "Ljava/util/concurrent/Exchanger;", // Calls OsConstants.initConstants. 1979 "Ljava/util/concurrent/ForkJoinPool;", // Calls OsConstants.initConstants. 1980 "Ljava/util/concurrent/LinkedTransferQueue;", // Calls OsConstants.initConstants. 1981 "Ljava/util/concurrent/Phaser;", // Calls OsConstants.initConstants. 1982 "Ljava/util/concurrent/ScheduledThreadPoolExecutor;", // Calls AtomicLong.VMSupportsCS8() 1983 "Ljava/util/concurrent/SynchronousQueue;", // Calls OsConstants.initConstants. 1984 "Ljava/util/concurrent/atomic/AtomicLong;", // Calls AtomicLong.VMSupportsCS8() 1985 "Ljava/util/logging/LogManager;", // Calls System.getProperty -> OsConstants.initConstants. 1986 "Ljava/util/prefs/AbstractPreferences;", // Calls OsConstants.initConstants. 1987 "Ljava/util/prefs/FilePreferencesImpl;", // Calls OsConstants.initConstants. 1988 "Ljava/util/prefs/FilePreferencesFactoryImpl;", // Calls OsConstants.initConstants. 1989 "Ljava/util/prefs/Preferences;", // Calls OsConstants.initConstants. 1990 "Ljavax/crypto/KeyAgreement;", // Calls OsConstants.initConstants. 1991 "Ljavax/crypto/KeyGenerator;", // Calls OsConstants.initConstants. 1992 "Ljavax/security/cert/X509Certificate;", // Calls VMClassLoader.getBootClassPathSize. 1993 "Ljavax/security/cert/X509Certificate$1;", // Calls VMClassLoader.getBootClassPathSize. 1994 "Ljavax/microedition/khronos/egl/EGL10;", // Requires EGLContext. 1995 "Ljavax/microedition/khronos/egl/EGLContext;", // Requires com.google.android.gles_jni.EGLImpl. 1996 "Ljavax/xml/datatype/DatatypeConstants;", // Calls OsConstants.initConstants. 1997 "Ljavax/xml/datatype/FactoryFinder;", // Calls OsConstants.initConstants. 1998 "Ljavax/xml/namespace/QName;", // Calls OsConstants.initConstants. 1999 "Ljavax/xml/validation/SchemaFactoryFinder;", // Calls OsConstants.initConstants. 2000 "Ljavax/xml/xpath/XPathConstants;", // Calls OsConstants.initConstants. 2001 "Ljavax/xml/xpath/XPathFactoryFinder;", // Calls OsConstants.initConstants. 2002 "Llibcore/icu/LocaleData;", // Requires java.util.Locale. 2003 "Llibcore/icu/TimeZoneNames;", // Requires java.util.TimeZone. 2004 "Llibcore/io/IoUtils;", // Calls Random.<init> -> System.currentTimeMillis -> FileDescriptor -> OsConstants.initConstants. 2005 "Llibcore/io/OsConstants;", // Platform specific. 2006 "Llibcore/net/MimeUtils;", // Calls libcore.net.MimeUtils.getContentTypesPropertiesStream -> System.getProperty. 2007 "Llibcore/reflect/Types;", // Calls OsConstants.initConstants. 2008 "Llibcore/util/ZoneInfo;", // Sub-class of TimeZone. 2009 "Llibcore/util/ZoneInfoDB;", // Calls System.getenv -> OsConstants.initConstants. 2010 "Lorg/apache/commons/logging/LogFactory;", // Calls System.getProperty. 2011 "Lorg/apache/commons/logging/impl/LogFactoryImpl;", // Calls OsConstants.initConstants. 2012 "Lorg/apache/harmony/security/fortress/Services;", // Calls ClassLoader.getSystemClassLoader -> System.getProperty. 2013 "Lorg/apache/harmony/security/provider/cert/X509CertFactoryImpl;", // Requires java.nio.charsets.Charsets. 2014 "Lorg/apache/harmony/security/provider/crypto/RandomBitsSupplier;", // Requires java.io.File. 2015 "Lorg/apache/harmony/security/utils/AlgNameMapper;", // Requires java.util.Locale. 2016 "Lorg/apache/harmony/security/pkcs10/CertificationRequest;", // Calls Thread.currentThread. 2017 "Lorg/apache/harmony/security/pkcs10/CertificationRequestInfo;", // Calls Thread.currentThread. 2018 "Lorg/apache/harmony/security/pkcs7/AuthenticatedAttributes;", // Calls Thread.currentThread. 2019 "Lorg/apache/harmony/security/pkcs7/SignedData;", // Calls Thread.currentThread. 2020 "Lorg/apache/harmony/security/pkcs7/SignerInfo;", // Calls Thread.currentThread. 2021 "Lorg/apache/harmony/security/pkcs8/PrivateKeyInfo;", // Calls Thread.currentThread. 2022 "Lorg/apache/harmony/security/provider/crypto/SHA1PRNG_SecureRandomImpl;", // Calls OsConstants.initConstants. 2023 "Lorg/apache/harmony/security/x501/AttributeTypeAndValue;", // Calls IntegralToString.convertInt -> Thread.currentThread. 2024 "Lorg/apache/harmony/security/x501/DirectoryString;", // Requires BigInteger. 2025 "Lorg/apache/harmony/security/x501/Name;", // Requires org.apache.harmony.security.x501.AttributeTypeAndValue. 2026 "Lorg/apache/harmony/security/x509/AccessDescription;", // Calls Thread.currentThread. 2027 "Lorg/apache/harmony/security/x509/AuthorityKeyIdentifier;", // Calls Thread.currentThread. 2028 "Lorg/apache/harmony/security/x509/CRLDistributionPoints;", // Calls Thread.currentThread. 2029 "Lorg/apache/harmony/security/x509/Certificate;", // Requires org.apache.harmony.security.x509.TBSCertificate. 2030 "Lorg/apache/harmony/security/x509/CertificateIssuer;", // Calls Thread.currentThread. 2031 "Lorg/apache/harmony/security/x509/CertificateList;", // Calls Thread.currentThread. 2032 "Lorg/apache/harmony/security/x509/DistributionPoint;", // Calls Thread.currentThread. 2033 "Lorg/apache/harmony/security/x509/DistributionPointName;", // Calls Thread.currentThread. 2034 "Lorg/apache/harmony/security/x509/EDIPartyName;", // Calls native ... -> java.math.NativeBN.BN_new(). 2035 "Lorg/apache/harmony/security/x509/GeneralName;", // Requires org.apache.harmony.security.x501.Name. 2036 "Lorg/apache/harmony/security/x509/GeneralNames;", // Requires GeneralName. 2037 "Lorg/apache/harmony/security/x509/GeneralSubtree;", // Calls Thread.currentThread. 2038 "Lorg/apache/harmony/security/x509/GeneralSubtrees;", // Calls Thread.currentThread. 2039 "Lorg/apache/harmony/security/x509/InfoAccessSyntax;", // Calls Thread.currentThread. 2040 "Lorg/apache/harmony/security/x509/IssuingDistributionPoint;", // Calls Thread.currentThread. 2041 "Lorg/apache/harmony/security/x509/NameConstraints;", // Calls Thread.currentThread. 2042 "Lorg/apache/harmony/security/x509/TBSCertList$RevokedCertificate;", // Calls NativeBN.BN_new(). 2043 "Lorg/apache/harmony/security/x509/TBSCertList;", // Calls Thread.currentThread. 2044 "Lorg/apache/harmony/security/x509/TBSCertificate;", // Requires org.apache.harmony.security.x501.Name. 2045 "Lorg/apache/harmony/security/x509/Time;", // Calls native ... -> java.math.NativeBN.BN_new(). 2046 "Lorg/apache/harmony/security/x509/Validity;", // Requires x509.Time. 2047 "Lorg/apache/harmony/security/x509/tsp/TSTInfo;", // Calls Thread.currentThread. 2048 "Lorg/apache/harmony/xml/ExpatParser;", // Calls native ExpatParser.staticInitialize. 2049 "Lorg/apache/harmony/xml/ExpatParser$EntityParser;", // Calls ExpatParser.staticInitialize. 2050 "Lorg/apache/http/conn/params/ConnRouteParams;", // Requires java.util.Locale. 2051 "Lorg/apache/http/conn/ssl/SSLSocketFactory;", // Calls java.security.Security.getProperty. 2052 "Lorg/apache/http/conn/util/InetAddressUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 2053}; 2054 2055static void InitializeClass(const ParallelCompilationManager* manager, size_t class_def_index) 2056 LOCKS_EXCLUDED(Locks::mutator_lock_) { 2057 const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index); 2058 ScopedObjectAccess soa(Thread::Current()); 2059 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()); 2060 const char* descriptor = manager->GetDexFile()->GetClassDescriptor(class_def); 2061 mirror::Class* klass = manager->GetClassLinker()->FindClass(descriptor, class_loader); 2062 bool compiling_boot = Runtime::Current()->GetHeap()->GetContinuousSpaces().size() == 1; 2063 bool can_init_static_fields = compiling_boot && 2064 manager->GetCompiler()->IsImageClass(descriptor); 2065 if (klass != NULL) { 2066 // We don't want class initialization occurring on multiple threads due to deadlock problems. 2067 // For example, a parent class is initialized (holding its lock) that refers to a sub-class 2068 // in its static/class initializer causing it to try to acquire the sub-class' lock. While 2069 // on a second thread the sub-class is initialized (holding its lock) after first initializing 2070 // its parents, whose locks are acquired. This leads to a parent-to-child and a child-to-parent 2071 // lock ordering and consequent potential deadlock. 2072 // We need to use an ObjectLock due to potential suspension in the interpreting code. Rather 2073 // than use a special Object for the purpose we use the Class of java.lang.Class. 2074 ObjectLock lock1(soa.Self(), klass->GetClass()); 2075 // The lock required to initialize the class. 2076 ObjectLock lock2(soa.Self(), klass); 2077 // Only try to initialize classes that were successfully verified. 2078 if (klass->IsVerified()) { 2079 manager->GetClassLinker()->EnsureInitialized(klass, false, can_init_static_fields); 2080 if (soa.Self()->IsExceptionPending()) { 2081 soa.Self()->GetException(NULL)->Dump(); 2082 } 2083 if (!klass->IsInitialized()) { 2084 if (can_init_static_fields) { 2085 // NoPreloadHolder inner class implies this should not be initialized early. 2086 bool is_black_listed = StringPiece(descriptor).ends_with("$NoPreloadHolder;"); 2087 if (!is_black_listed) { 2088 for (size_t i = 0; i < arraysize(class_initializer_black_list); ++i) { 2089 if (StringPiece(descriptor) == class_initializer_black_list[i]) { 2090 is_black_listed = true; 2091 break; 2092 } 2093 } 2094 } 2095 if (!is_black_listed) { 2096 LOG(INFO) << "Initializing: " << descriptor; 2097 if (StringPiece(descriptor) == "Ljava/lang/Void;") { 2098 // Hand initialize j.l.Void to avoid Dex file operations in un-started runtime. 2099 mirror::ObjectArray<mirror::Field>* fields = klass->GetSFields(); 2100 CHECK_EQ(fields->GetLength(), 1); 2101 fields->Get(0)->SetObj(klass, manager->GetClassLinker()->FindPrimitiveClass('V')); 2102 klass->SetStatus(mirror::Class::kStatusInitialized); 2103 } else { 2104 manager->GetClassLinker()->EnsureInitialized(klass, true, can_init_static_fields); 2105 } 2106 soa.Self()->AssertNoPendingException(); 2107 } 2108 } 2109 } 2110 // If successfully initialized place in SSB array. 2111 if (klass->IsInitialized()) { 2112 klass->GetDexCache()->GetInitializedStaticStorage()->Set(klass->GetDexTypeIndex(), klass); 2113 } 2114 } 2115 // Record the final class status if necessary. 2116 mirror::Class::Status status = klass->GetStatus(); 2117 ClassReference ref(manager->GetDexFile(), class_def_index); 2118 CompiledClass* compiled_class = manager->GetCompiler()->GetCompiledClass(ref); 2119 if (compiled_class == NULL) { 2120 compiled_class = new CompiledClass(status); 2121 manager->GetCompiler()->RecordClassStatus(ref, compiled_class); 2122 } else { 2123 DCHECK_GE(status, compiled_class->GetStatus()) << descriptor; 2124 } 2125 } 2126 // Clear any class not found or verification exceptions. 2127 soa.Self()->ClearException(); 2128} 2129 2130void CompilerDriver::InitializeClasses(jobject jni_class_loader, const DexFile& dex_file, 2131 ThreadPool& thread_pool, base::TimingLogger& timings) { 2132 timings.NewSplit(strdup(("InitializeNoClinit " + dex_file.GetLocation()).c_str())); 2133#ifndef NDEBUG 2134 for (size_t i = 0; i < arraysize(class_initializer_black_list); ++i) { 2135 const char* descriptor = class_initializer_black_list[i]; 2136 CHECK(IsValidDescriptor(descriptor)) << descriptor; 2137 } 2138#endif 2139 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 2140 ParallelCompilationManager context(class_linker, jni_class_loader, this, &dex_file, thread_pool); 2141 context.ForAll(0, dex_file.NumClassDefs(), InitializeClass, thread_count_); 2142} 2143 2144void CompilerDriver::InitializeClasses(jobject class_loader, 2145 const std::vector<const DexFile*>& dex_files, 2146 ThreadPool& thread_pool, base::TimingLogger& timings) { 2147 for (size_t i = 0; i != dex_files.size(); ++i) { 2148 const DexFile* dex_file = dex_files[i]; 2149 CHECK(dex_file != NULL); 2150 InitializeClasses(class_loader, *dex_file, thread_pool, timings); 2151 } 2152} 2153 2154void CompilerDriver::Compile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 2155 ThreadPool& thread_pool, base::TimingLogger& timings) { 2156 for (size_t i = 0; i != dex_files.size(); ++i) { 2157 const DexFile* dex_file = dex_files[i]; 2158 CHECK(dex_file != NULL); 2159 CompileDexFile(class_loader, *dex_file, thread_pool, timings); 2160 } 2161} 2162 2163void CompilerDriver::CompileClass(const ParallelCompilationManager* manager, size_t class_def_index) { 2164 jobject jclass_loader = manager->GetClassLoader(); 2165 const DexFile& dex_file = *manager->GetDexFile(); 2166 const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 2167 { 2168 ScopedObjectAccess soa(Thread::Current()); 2169 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader); 2170 if (SkipClass(class_loader, dex_file, class_def)) { 2171 return; 2172 } 2173 } 2174 ClassReference ref(&dex_file, class_def_index); 2175 // Skip compiling classes with generic verifier failures since they will still fail at runtime 2176 if (verifier::MethodVerifier::IsClassRejected(ref)) { 2177 return; 2178 } 2179 const byte* class_data = dex_file.GetClassData(class_def); 2180 if (class_data == NULL) { 2181 // empty class, probably a marker interface 2182 return; 2183 } 2184 // Can we run DEX-to-DEX compiler on this class ? 2185 DexToDexCompilationLevel dex_to_dex_compilation_level = kDontDexToDexCompile; 2186 { 2187 ScopedObjectAccess soa(Thread::Current()); 2188 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader); 2189 dex_to_dex_compilation_level = GetDexToDexCompilationlevel(class_loader, dex_file, class_def); 2190 } 2191 ClassDataItemIterator it(dex_file, class_data); 2192 // Skip fields 2193 while (it.HasNextStaticField()) { 2194 it.Next(); 2195 } 2196 while (it.HasNextInstanceField()) { 2197 it.Next(); 2198 } 2199 // Compile direct methods 2200 int64_t previous_direct_method_idx = -1; 2201 while (it.HasNextDirectMethod()) { 2202 uint32_t method_idx = it.GetMemberIndex(); 2203 if (method_idx == previous_direct_method_idx) { 2204 // smali can create dex files with two encoded_methods sharing the same method_idx 2205 // http://code.google.com/p/smali/issues/detail?id=119 2206 it.Next(); 2207 continue; 2208 } 2209 previous_direct_method_idx = method_idx; 2210 manager->GetCompiler()->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), 2211 it.GetMethodInvokeType(class_def), class_def_index, 2212 method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level); 2213 it.Next(); 2214 } 2215 // Compile virtual methods 2216 int64_t previous_virtual_method_idx = -1; 2217 while (it.HasNextVirtualMethod()) { 2218 uint32_t method_idx = it.GetMemberIndex(); 2219 if (method_idx == previous_virtual_method_idx) { 2220 // smali can create dex files with two encoded_methods sharing the same method_idx 2221 // http://code.google.com/p/smali/issues/detail?id=119 2222 it.Next(); 2223 continue; 2224 } 2225 previous_virtual_method_idx = method_idx; 2226 manager->GetCompiler()->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), 2227 it.GetMethodInvokeType(class_def), class_def_index, 2228 method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level); 2229 it.Next(); 2230 } 2231 DCHECK(!it.HasNext()); 2232} 2233 2234void CompilerDriver::CompileDexFile(jobject class_loader, const DexFile& dex_file, 2235 ThreadPool& thread_pool, base::TimingLogger& timings) { 2236 timings.NewSplit(strdup(("Compile " + dex_file.GetLocation()).c_str())); 2237 ParallelCompilationManager context(NULL, class_loader, this, &dex_file, thread_pool); 2238 context.ForAll(0, dex_file.NumClassDefs(), CompilerDriver::CompileClass, thread_count_); 2239} 2240 2241void CompilerDriver::CompileMethod(const DexFile::CodeItem* code_item, uint32_t access_flags, 2242 InvokeType invoke_type, uint32_t class_def_idx, 2243 uint32_t method_idx, jobject class_loader, 2244 const DexFile& dex_file, 2245 DexToDexCompilationLevel dex_to_dex_compilation_level) { 2246 CompiledMethod* compiled_method = NULL; 2247 uint64_t start_ns = NanoTime(); 2248 2249 if ((access_flags & kAccNative) != 0) { 2250 compiled_method = (*jni_compiler_)(*this, access_flags, method_idx, dex_file); 2251 CHECK(compiled_method != NULL); 2252 } else if ((access_flags & kAccAbstract) != 0) { 2253 } else { 2254 bool compile = verifier::MethodVerifier::IsCandidateForCompilation(code_item, access_flags); 2255 if (compile) { 2256 // If we're doing the image, override the compiler filter to force full compilation. 2257 if ((image_classes_.get() != NULL) && (image_classes_->size() != 0)) { 2258 Runtime::Current()->SetCompilerFilter(Runtime::kSpeed); 2259 } 2260 CompilerFn compiler = compiler_; 2261#ifdef ART_SEA_IR_MODE 2262 bool use_sea = Runtime::Current()->IsSeaIRMode(); 2263 use_sea = use_sea && (std::string::npos != PrettyMethod(method_idx, dex_file).find("fibonacci")); 2264 if (use_sea) { 2265 compiler = sea_ir_compiler_; 2266 } 2267#endif 2268 // NOTE: if compiler declines to compile this method, it will return NULL. 2269 compiled_method = (*compiler)(*this, code_item, access_flags, invoke_type, class_def_idx, 2270 method_idx, class_loader, dex_file); 2271 } else if (dex_to_dex_compilation_level != kDontDexToDexCompile) { 2272 // TODO: add a mode to disable DEX-to-DEX compilation ? 2273 (*dex_to_dex_compiler_)(*this, code_item, access_flags, 2274 invoke_type, class_def_idx, 2275 method_idx, class_loader, dex_file, 2276 dex_to_dex_compilation_level); 2277 } 2278 } 2279 uint64_t duration_ns = NanoTime() - start_ns; 2280#ifdef ART_USE_PORTABLE_COMPILER 2281 const uint64_t kWarnMilliSeconds = 1000; 2282#else 2283 const uint64_t kWarnMilliSeconds = 100; 2284#endif 2285 if (duration_ns > MsToNs(kWarnMilliSeconds)) { 2286 LOG(WARNING) << "Compilation of " << PrettyMethod(method_idx, dex_file) 2287 << " took " << PrettyDuration(duration_ns); 2288 } 2289 2290 Thread* self = Thread::Current(); 2291 if (compiled_method != NULL) { 2292 MethodReference ref(&dex_file, method_idx); 2293 CHECK(GetCompiledMethod(ref) == NULL) << PrettyMethod(method_idx, dex_file); 2294 { 2295 MutexLock mu(self, compiled_methods_lock_); 2296 compiled_methods_.Put(ref, compiled_method); 2297 } 2298 DCHECK(GetCompiledMethod(ref) != NULL) << PrettyMethod(method_idx, dex_file); 2299 } 2300 2301 if (self->IsExceptionPending()) { 2302 ScopedObjectAccess soa(self); 2303 LOG(FATAL) << "Unexpected exception compiling: " << PrettyMethod(method_idx, dex_file) << "\n" 2304 << self->GetException(NULL)->Dump(); 2305 } 2306} 2307 2308CompiledClass* CompilerDriver::GetCompiledClass(ClassReference ref) const { 2309 MutexLock mu(Thread::Current(), compiled_classes_lock_); 2310 ClassTable::const_iterator it = compiled_classes_.find(ref); 2311 if (it == compiled_classes_.end()) { 2312 return NULL; 2313 } 2314 CHECK(it->second != NULL); 2315 return it->second; 2316} 2317 2318CompiledMethod* CompilerDriver::GetCompiledMethod(MethodReference ref) const { 2319 MutexLock mu(Thread::Current(), compiled_methods_lock_); 2320 MethodTable::const_iterator it = compiled_methods_.find(ref); 2321 if (it == compiled_methods_.end()) { 2322 return NULL; 2323 } 2324 CHECK(it->second != NULL); 2325 return it->second; 2326} 2327 2328void CompilerDriver::SetBitcodeFileName(std::string const& filename) { 2329 typedef void (*SetBitcodeFileNameFn)(CompilerDriver&, std::string const&); 2330 2331 SetBitcodeFileNameFn set_bitcode_file_name = 2332 reinterpret_cast<SetBitcodeFileNameFn>(compilerLLVMSetBitcodeFileName); 2333 2334 set_bitcode_file_name(*this, filename); 2335} 2336 2337 2338void CompilerDriver::AddRequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 2339 size_t class_def_index) { 2340 MutexLock mu(self, freezing_constructor_lock_); 2341 freezing_constructor_classes_.insert(ClassReference(dex_file, class_def_index)); 2342} 2343 2344bool CompilerDriver::RequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 2345 size_t class_def_index) { 2346 MutexLock mu(self, freezing_constructor_lock_); 2347 return freezing_constructor_classes_.count(ClassReference(dex_file, class_def_index)) != 0; 2348} 2349 2350bool CompilerDriver::WriteElf(const std::string& android_root, 2351 bool is_host, 2352 const std::vector<const art::DexFile*>& dex_files, 2353 OatWriter& oat_writer, 2354 art::File* file) 2355 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2356#if defined(ART_USE_PORTABLE_COMPILER) 2357 return art::ElfWriterMclinker::Create(file, oat_writer, dex_files, android_root, is_host, *this); 2358#else 2359 return art::ElfWriterQuick::Create(file, oat_writer, dex_files, android_root, is_host, *this); 2360#endif 2361} 2362void CompilerDriver::InstructionSetToLLVMTarget(InstructionSet instruction_set, 2363 std::string& target_triple, 2364 std::string& target_cpu, 2365 std::string& target_attr) { 2366 switch (instruction_set) { 2367 case kThumb2: 2368 target_triple = "thumb-none-linux-gnueabi"; 2369 target_cpu = "cortex-a9"; 2370 target_attr = "+thumb2,+neon,+neonfp,+vfp3,+db"; 2371 break; 2372 2373 case kArm: 2374 target_triple = "armv7-none-linux-gnueabi"; 2375 // TODO: Fix for Nexus S. 2376 target_cpu = "cortex-a9"; 2377 // TODO: Fix for Xoom. 2378 target_attr = "+v7,+neon,+neonfp,+vfp3,+db"; 2379 break; 2380 2381 case kX86: 2382 target_triple = "i386-pc-linux-gnu"; 2383 target_attr = ""; 2384 break; 2385 2386 case kMips: 2387 target_triple = "mipsel-unknown-linux"; 2388 target_attr = "mips32r2"; 2389 break; 2390 2391 default: 2392 LOG(FATAL) << "Unknown instruction set: " << instruction_set; 2393 } 2394 } 2395} // namespace art 2396