compiler_driver.cc revision 0177fe200efc1bf4d433955ee7920c683fdf5901
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, 338 size_t thread_count, bool dump_stats, bool dump_timings) 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 dump_timings_(dump_timings), 351 compiler_library_(NULL), 352 compiler_(NULL), 353 compiler_context_(NULL), 354 jni_compiler_(NULL), 355 compiler_enable_auto_elf_loading_(NULL), 356 compiler_get_method_code_addr_(NULL), 357 support_boot_image_fixup_(true) { 358 359 CHECK_PTHREAD_CALL(pthread_key_create, (&tls_key_, NULL), "compiler tls key"); 360 361 // TODO: more work needed to combine initializations and allow per-method backend selection 362 typedef void (*InitCompilerContextFn)(CompilerDriver&); 363 InitCompilerContextFn init_compiler_context; 364 if (compiler_backend_ == kPortable) { 365 // Initialize compiler_context_ 366 init_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtInitCompilerContext); 367 compiler_ = reinterpret_cast<CompilerFn>(ArtCompileMethod); 368 } else { 369 init_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtInitQuickCompilerContext); 370 compiler_ = reinterpret_cast<CompilerFn>(ArtQuickCompileMethod); 371 } 372 373 dex_to_dex_compiler_ = reinterpret_cast<CompilerFn>(ArtCompileDEX); 374 375#ifdef ART_SEA_IR_MODE 376 sea_ir_compiler_ = NULL; 377 if (Runtime::Current()->IsSeaIRMode()) { 378 sea_ir_compiler_ = reinterpret_cast<CompilerFn>(SeaIrCompileMethod); 379 } 380#endif 381 382 init_compiler_context(*this); 383 384 if (compiler_backend_ == kPortable) { 385 jni_compiler_ = reinterpret_cast<JniCompilerFn>(ArtLLVMJniCompileMethod); 386 } else { 387 jni_compiler_ = reinterpret_cast<JniCompilerFn>(ArtQuickJniCompileMethod); 388 } 389 390 CHECK(!Runtime::Current()->IsStarted()); 391 if (!image_) { 392 CHECK(image_classes_.get() == NULL); 393 } 394} 395 396CompilerDriver::~CompilerDriver() { 397 Thread* self = Thread::Current(); 398 { 399 MutexLock mu(self, compiled_classes_lock_); 400 STLDeleteValues(&compiled_classes_); 401 } 402 { 403 MutexLock mu(self, compiled_methods_lock_); 404 STLDeleteValues(&compiled_methods_); 405 } 406 { 407 MutexLock mu(self, compiled_methods_lock_); 408 STLDeleteElements(&code_to_patch_); 409 } 410 { 411 MutexLock mu(self, compiled_methods_lock_); 412 STLDeleteElements(&methods_to_patch_); 413 } 414 CHECK_PTHREAD_CALL(pthread_key_delete, (tls_key_), "delete tls key"); 415 typedef void (*UninitCompilerContextFn)(CompilerDriver&); 416 UninitCompilerContextFn uninit_compiler_context; 417 // Uninitialize compiler_context_ 418 // TODO: rework to combine initialization/uninitialization 419 if (compiler_backend_ == kPortable) { 420 uninit_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtUnInitCompilerContext); 421 } else { 422 uninit_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtUnInitQuickCompilerContext); 423 } 424 uninit_compiler_context(*this); 425} 426 427CompilerTls* CompilerDriver::GetTls() { 428 // Lazily create thread-local storage 429 CompilerTls* res = static_cast<CompilerTls*>(pthread_getspecific(tls_key_)); 430 if (res == NULL) { 431 res = new CompilerTls(); 432 CHECK_PTHREAD_CALL(pthread_setspecific, (tls_key_, res), "compiler tls"); 433 } 434 return res; 435} 436 437const std::vector<uint8_t>* CompilerDriver::CreatePortableResolutionTrampoline() const { 438 switch (instruction_set_) { 439 case kArm: 440 case kThumb2: 441 return arm::CreatePortableResolutionTrampoline(); 442 case kMips: 443 return mips::CreatePortableResolutionTrampoline(); 444 case kX86: 445 return x86::CreatePortableResolutionTrampoline(); 446 default: 447 LOG(FATAL) << "Unknown InstructionSet: " << instruction_set_; 448 return NULL; 449 } 450} 451 452const std::vector<uint8_t>* CompilerDriver::CreateQuickResolutionTrampoline() const { 453 switch (instruction_set_) { 454 case kArm: 455 case kThumb2: 456 return arm::CreateQuickResolutionTrampoline(); 457 case kMips: 458 return mips::CreateQuickResolutionTrampoline(); 459 case kX86: 460 return x86::CreateQuickResolutionTrampoline(); 461 default: 462 LOG(FATAL) << "Unknown InstructionSet: " << instruction_set_; 463 return NULL; 464 } 465} 466 467const std::vector<uint8_t>* CompilerDriver::CreateInterpreterToInterpreterEntry() const { 468 switch (instruction_set_) { 469 case kArm: 470 case kThumb2: 471 return arm::CreateInterpreterToInterpreterEntry(); 472 case kMips: 473 return mips::CreateInterpreterToInterpreterEntry(); 474 case kX86: 475 return x86::CreateInterpreterToInterpreterEntry(); 476 default: 477 LOG(FATAL) << "Unknown InstructionSet: " << instruction_set_; 478 return NULL; 479 } 480} 481 482const std::vector<uint8_t>* CompilerDriver::CreateInterpreterToQuickEntry() const { 483 switch (instruction_set_) { 484 case kArm: 485 case kThumb2: 486 return arm::CreateInterpreterToQuickEntry(); 487 case kMips: 488 return mips::CreateInterpreterToQuickEntry(); 489 case kX86: 490 return x86::CreateInterpreterToQuickEntry(); 491 default: 492 LOG(FATAL) << "Unknown InstructionSet: " << instruction_set_; 493 return NULL; 494 } 495} 496 497void CompilerDriver::CompileAll(jobject class_loader, 498 const std::vector<const DexFile*>& dex_files) { 499 DCHECK(!Runtime::Current()->IsStarted()); 500 501 UniquePtr<ThreadPool> thread_pool(new ThreadPool(thread_count_)); 502 TimingLogger timings("compiler", false); 503 504 PreCompile(class_loader, dex_files, *thread_pool.get(), timings); 505 506 Compile(class_loader, dex_files, *thread_pool.get(), timings); 507 508 if (dump_timings_ && timings.GetTotalNs() > MsToNs(1000)) { 509 LOG(INFO) << Dumpable<TimingLogger>(timings); 510 } 511 512 if (dump_stats_) { 513 stats_->Dump(); 514 } 515} 516 517static bool IsDexToDexCompilationAllowed(mirror::ClassLoader* class_loader, 518 const DexFile& dex_file, 519 const DexFile::ClassDef& class_def) 520 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 521 // Do not allow DEX-to-DEX compilation of image classes. This is to prevent the 522 // verifier from passing on "quick" instruction at compilation time. It must 523 // only pass on quick instructions at runtime. 524 if (class_loader == NULL) { 525 return false; 526 } 527 const char* descriptor = dex_file.GetClassDescriptor(class_def); 528 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 529 mirror::Class* klass = class_linker->FindClass(descriptor, class_loader); 530 if (klass == NULL) { 531 Thread* self = Thread::Current(); 532 CHECK(self->IsExceptionPending()); 533 self->ClearException(); 534 return false; 535 } 536 // DEX-to-DEX compilation is only allowed on preverified classes. 537 return klass->IsVerified(); 538} 539 540void CompilerDriver::CompileOne(const mirror::AbstractMethod* method) { 541 DCHECK(!Runtime::Current()->IsStarted()); 542 Thread* self = Thread::Current(); 543 jobject jclass_loader; 544 const DexFile* dex_file; 545 uint32_t class_def_idx; 546 { 547 ScopedObjectAccessUnchecked soa(self); 548 ScopedLocalRef<jobject> 549 local_class_loader(soa.Env(), 550 soa.AddLocalReference<jobject>(method->GetDeclaringClass()->GetClassLoader())); 551 jclass_loader = soa.Env()->NewGlobalRef(local_class_loader.get()); 552 // Find the dex_file 553 MethodHelper mh(method); 554 dex_file = &mh.GetDexFile(); 555 class_def_idx = mh.GetClassDefIndex(); 556 } 557 self->TransitionFromRunnableToSuspended(kNative); 558 559 std::vector<const DexFile*> dex_files; 560 dex_files.push_back(dex_file); 561 562 UniquePtr<ThreadPool> thread_pool(new ThreadPool(1U)); 563 TimingLogger timings("CompileOne", false); 564 PreCompile(jclass_loader, dex_files, *thread_pool.get(), timings); 565 566 uint32_t method_idx = method->GetDexMethodIndex(); 567 const DexFile::CodeItem* code_item = dex_file->GetCodeItem(method->GetCodeItemOffset()); 568 // Can we run DEX-to-DEX compiler on this class ? 569 bool allow_dex_compilation; 570 { 571 ScopedObjectAccess soa(Thread::Current()); 572 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_idx); 573 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader); 574 allow_dex_compilation = IsDexToDexCompilationAllowed(class_loader, *dex_file, class_def); 575 } 576 CompileMethod(code_item, method->GetAccessFlags(), method->GetInvokeType(), 577 class_def_idx, method_idx, jclass_loader, *dex_file, allow_dex_compilation); 578 579 self->GetJniEnv()->DeleteGlobalRef(jclass_loader); 580 581 self->TransitionFromSuspendedToRunnable(); 582} 583 584void CompilerDriver::Resolve(jobject class_loader, const std::vector<const DexFile*>& dex_files, 585 ThreadPool& thread_pool, TimingLogger& timings) { 586 for (size_t i = 0; i != dex_files.size(); ++i) { 587 const DexFile* dex_file = dex_files[i]; 588 CHECK(dex_file != NULL); 589 ResolveDexFile(class_loader, *dex_file, thread_pool, timings); 590 } 591} 592 593void CompilerDriver::PreCompile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 594 ThreadPool& thread_pool, TimingLogger& timings) { 595 LoadImageClasses(timings); 596 597 Resolve(class_loader, dex_files, thread_pool, timings); 598 599 Verify(class_loader, dex_files, thread_pool, timings); 600 601 InitializeClasses(class_loader, dex_files, thread_pool, timings); 602 603 UpdateImageClasses(timings); 604} 605 606bool CompilerDriver::IsImageClass(const char* descriptor) const { 607 DCHECK(descriptor != NULL); 608 if (image_classes_.get() == NULL) { 609 return true; 610 } 611 return image_classes_->find(descriptor) != image_classes_->end(); 612} 613 614static void ResolveExceptionsForMethod(MethodHelper* mh, 615 std::set<std::pair<uint16_t, const DexFile*> >& exceptions_to_resolve) 616 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 617 const DexFile::CodeItem* code_item = mh->GetCodeItem(); 618 if (code_item == NULL) { 619 return; // native or abstract method 620 } 621 if (code_item->tries_size_ == 0) { 622 return; // nothing to process 623 } 624 const byte* encoded_catch_handler_list = DexFile::GetCatchHandlerData(*code_item, 0); 625 size_t num_encoded_catch_handlers = DecodeUnsignedLeb128(&encoded_catch_handler_list); 626 for (size_t i = 0; i < num_encoded_catch_handlers; i++) { 627 int32_t encoded_catch_handler_size = DecodeSignedLeb128(&encoded_catch_handler_list); 628 bool has_catch_all = false; 629 if (encoded_catch_handler_size <= 0) { 630 encoded_catch_handler_size = -encoded_catch_handler_size; 631 has_catch_all = true; 632 } 633 for (int32_t j = 0; j < encoded_catch_handler_size; j++) { 634 uint16_t encoded_catch_handler_handlers_type_idx = 635 DecodeUnsignedLeb128(&encoded_catch_handler_list); 636 // Add to set of types to resolve if not already in the dex cache resolved types 637 if (!mh->IsResolvedTypeIdx(encoded_catch_handler_handlers_type_idx)) { 638 exceptions_to_resolve.insert( 639 std::pair<uint16_t, const DexFile*>(encoded_catch_handler_handlers_type_idx, 640 &mh->GetDexFile())); 641 } 642 // ignore address associated with catch handler 643 DecodeUnsignedLeb128(&encoded_catch_handler_list); 644 } 645 if (has_catch_all) { 646 // ignore catch all address 647 DecodeUnsignedLeb128(&encoded_catch_handler_list); 648 } 649 } 650} 651 652static bool ResolveCatchBlockExceptionsClassVisitor(mirror::Class* c, void* arg) 653 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 654 std::set<std::pair<uint16_t, const DexFile*> >* exceptions_to_resolve = 655 reinterpret_cast<std::set<std::pair<uint16_t, const DexFile*> >*>(arg); 656 MethodHelper mh; 657 for (size_t i = 0; i < c->NumVirtualMethods(); ++i) { 658 mirror::AbstractMethod* m = c->GetVirtualMethod(i); 659 mh.ChangeMethod(m); 660 ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 661 } 662 for (size_t i = 0; i < c->NumDirectMethods(); ++i) { 663 mirror::AbstractMethod* m = c->GetDirectMethod(i); 664 mh.ChangeMethod(m); 665 ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 666 } 667 return true; 668} 669 670static bool RecordImageClassesVisitor(mirror::Class* klass, void* arg) 671 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 672 CompilerDriver::DescriptorSet* image_classes = 673 reinterpret_cast<CompilerDriver::DescriptorSet*>(arg); 674 image_classes->insert(ClassHelper(klass).GetDescriptor()); 675 return true; 676} 677 678// Make a list of descriptors for classes to include in the image 679void CompilerDriver::LoadImageClasses(TimingLogger& timings) 680 LOCKS_EXCLUDED(Locks::mutator_lock_) { 681 if (image_classes_.get() == NULL) { 682 return; 683 } 684 685 // Make a first class to load all classes explicitly listed in the file 686 Thread* self = Thread::Current(); 687 ScopedObjectAccess soa(self); 688 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 689 typedef DescriptorSet::iterator It; // TODO: C++0x auto 690 for (It it = image_classes_->begin(), end = image_classes_->end(); it != end;) { 691 std::string descriptor(*it); 692 SirtRef<mirror::Class> klass(self, class_linker->FindSystemClass(descriptor.c_str())); 693 if (klass.get() == NULL) { 694 image_classes_->erase(it++); 695 LOG(WARNING) << "Failed to find class " << descriptor; 696 Thread::Current()->ClearException(); 697 } else { 698 ++it; 699 } 700 } 701 702 // Resolve exception classes referenced by the loaded classes. The catch logic assumes 703 // exceptions are resolved by the verifier when there is a catch block in an interested method. 704 // Do this here so that exception classes appear to have been specified image classes. 705 std::set<std::pair<uint16_t, const DexFile*> > unresolved_exception_types; 706 SirtRef<mirror::Class> java_lang_Throwable(self, 707 class_linker->FindSystemClass("Ljava/lang/Throwable;")); 708 do { 709 unresolved_exception_types.clear(); 710 class_linker->VisitClasses(ResolveCatchBlockExceptionsClassVisitor, 711 &unresolved_exception_types); 712 typedef std::set<std::pair<uint16_t, const DexFile*> >::const_iterator It; // TODO: C++0x auto 713 for (It it = unresolved_exception_types.begin(), 714 end = unresolved_exception_types.end(); 715 it != end; ++it) { 716 uint16_t exception_type_idx = it->first; 717 const DexFile* dex_file = it->second; 718 mirror::DexCache* dex_cache = class_linker->FindDexCache(*dex_file); 719 mirror:: ClassLoader* class_loader = NULL; 720 SirtRef<mirror::Class> klass(self, class_linker->ResolveType(*dex_file, exception_type_idx, 721 dex_cache, class_loader)); 722 if (klass.get() == NULL) { 723 const DexFile::TypeId& type_id = dex_file->GetTypeId(exception_type_idx); 724 const char* descriptor = dex_file->GetTypeDescriptor(type_id); 725 LOG(FATAL) << "Failed to resolve class " << descriptor; 726 } 727 DCHECK(java_lang_Throwable->IsAssignableFrom(klass.get())); 728 } 729 // Resolving exceptions may load classes that reference more exceptions, iterate until no 730 // more are found 731 } while (!unresolved_exception_types.empty()); 732 733 // We walk the roots looking for classes so that we'll pick up the 734 // above classes plus any classes them depend on such super 735 // classes, interfaces, and the required ClassLinker roots. 736 class_linker->VisitClasses(RecordImageClassesVisitor, image_classes_.get()); 737 738 CHECK_NE(image_classes_->size(), 0U); 739 timings.AddSplit("LoadImageClasses"); 740} 741 742static void MaybeAddToImageClasses(mirror::Class* klass, CompilerDriver::DescriptorSet* image_classes) 743 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 744 while (!klass->IsObjectClass()) { 745 ClassHelper kh(klass); 746 const char* descriptor = kh.GetDescriptor(); 747 std::pair<CompilerDriver::DescriptorSet::iterator, bool> result = 748 image_classes->insert(descriptor); 749 if (result.second) { 750 LOG(INFO) << "Adding " << descriptor << " to image classes"; 751 } else { 752 return; 753 } 754 for (size_t i = 0; i < kh.NumDirectInterfaces(); ++i) { 755 MaybeAddToImageClasses(kh.GetDirectInterface(i), image_classes); 756 } 757 if (klass->IsArrayClass()) { 758 MaybeAddToImageClasses(klass->GetComponentType(), image_classes); 759 } 760 klass = klass->GetSuperClass(); 761 } 762} 763 764void CompilerDriver::FindClinitImageClassesCallback(mirror::Object* object, void* arg) { 765 DCHECK(object != NULL); 766 DCHECK(arg != NULL); 767 CompilerDriver* compiler_driver = reinterpret_cast<CompilerDriver*>(arg); 768 MaybeAddToImageClasses(object->GetClass(), compiler_driver->image_classes_.get()); 769} 770 771void CompilerDriver::UpdateImageClasses(TimingLogger& timings) { 772 if (image_classes_.get() == NULL) { 773 return; 774 } 775 776 // Update image_classes_ with classes for objects created by <clinit> methods. 777 Thread* self = Thread::Current(); 778 const char* old_cause = self->StartAssertNoThreadSuspension("ImageWriter"); 779 gc::Heap* heap = Runtime::Current()->GetHeap(); 780 // TODO: Image spaces only? 781 WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 782 heap->FlushAllocStack(); 783 heap->GetLiveBitmap()->Walk(FindClinitImageClassesCallback, this); 784 self->EndAssertNoThreadSuspension(old_cause); 785 timings.AddSplit("UpdateImageClasses"); 786} 787 788void CompilerDriver::RecordClassStatus(ClassReference ref, CompiledClass* compiled_class) { 789 MutexLock mu(Thread::Current(), CompilerDriver::compiled_classes_lock_); 790 compiled_classes_.Put(ref, compiled_class); 791} 792 793bool CompilerDriver::CanAssumeTypeIsPresentInDexCache(const DexFile& dex_file, 794 uint32_t type_idx) { 795 if (IsImage() && IsImageClass(dex_file.GetTypeDescriptor(dex_file.GetTypeId(type_idx)))) { 796 if (kIsDebugBuild) { 797 ScopedObjectAccess soa(Thread::Current()); 798 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 799 mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 800 CHECK(resolved_class != NULL); 801 } 802 stats_->TypeInDexCache(); 803 return true; 804 } else { 805 stats_->TypeNotInDexCache(); 806 return false; 807 } 808} 809 810bool CompilerDriver::CanAssumeStringIsPresentInDexCache(const DexFile& dex_file, 811 uint32_t string_idx) { 812 // See also Compiler::ResolveDexFile 813 814 bool result = false; 815 if (IsImage()) { 816 // We resolve all const-string strings when building for the image. 817 ScopedObjectAccess soa(Thread::Current()); 818 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 819 Runtime::Current()->GetClassLinker()->ResolveString(dex_file, string_idx, dex_cache); 820 result = true; 821 } 822 if (result) { 823 stats_->StringInDexCache(); 824 } else { 825 stats_->StringNotInDexCache(); 826 } 827 return result; 828} 829 830bool CompilerDriver::CanAccessTypeWithoutChecks(uint32_t referrer_idx, const DexFile& dex_file, 831 uint32_t type_idx, 832 bool* type_known_final, bool* type_known_abstract, 833 bool* equals_referrers_class) { 834 if (type_known_final != NULL) { 835 *type_known_final = false; 836 } 837 if (type_known_abstract != NULL) { 838 *type_known_abstract = false; 839 } 840 if (equals_referrers_class != NULL) { 841 *equals_referrers_class = false; 842 } 843 ScopedObjectAccess soa(Thread::Current()); 844 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 845 // Get type from dex cache assuming it was populated by the verifier 846 mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 847 if (resolved_class == NULL) { 848 stats_->TypeNeedsAccessCheck(); 849 return false; // Unknown class needs access checks. 850 } 851 const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 852 if (equals_referrers_class != NULL) { 853 *equals_referrers_class = (method_id.class_idx_ == type_idx); 854 } 855 mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 856 if (referrer_class == NULL) { 857 stats_->TypeNeedsAccessCheck(); 858 return false; // Incomplete referrer knowledge needs access check. 859 } 860 // Perform access check, will return true if access is ok or false if we're going to have to 861 // check this at runtime (for example for class loaders). 862 bool result = referrer_class->CanAccess(resolved_class); 863 if (result) { 864 stats_->TypeDoesntNeedAccessCheck(); 865 if (type_known_final != NULL) { 866 *type_known_final = resolved_class->IsFinal() && !resolved_class->IsArrayClass(); 867 } 868 if (type_known_abstract != NULL) { 869 *type_known_abstract = resolved_class->IsAbstract() && !resolved_class->IsArrayClass(); 870 } 871 } else { 872 stats_->TypeNeedsAccessCheck(); 873 } 874 return result; 875} 876 877bool CompilerDriver::CanAccessInstantiableTypeWithoutChecks(uint32_t referrer_idx, 878 const DexFile& dex_file, 879 uint32_t type_idx) { 880 ScopedObjectAccess soa(Thread::Current()); 881 mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 882 // Get type from dex cache assuming it was populated by the verifier. 883 mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 884 if (resolved_class == NULL) { 885 stats_->TypeNeedsAccessCheck(); 886 return false; // Unknown class needs access checks. 887 } 888 const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 889 mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 890 if (referrer_class == NULL) { 891 stats_->TypeNeedsAccessCheck(); 892 return false; // Incomplete referrer knowledge needs access check. 893 } 894 // Perform access and instantiable checks, will return true if access is ok or false if we're 895 // going to have to check this at runtime (for example for class loaders). 896 bool result = referrer_class->CanAccess(resolved_class) && resolved_class->IsInstantiable(); 897 if (result) { 898 stats_->TypeDoesntNeedAccessCheck(); 899 } else { 900 stats_->TypeNeedsAccessCheck(); 901 } 902 return result; 903} 904 905static mirror::Class* ComputeCompilingMethodsClass(ScopedObjectAccess& soa, 906 mirror::DexCache* dex_cache, 907 const DexCompilationUnit* mUnit) 908 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 909 // The passed dex_cache is a hint, sanity check before asking the class linker that will take a 910 // lock. 911 if (dex_cache->GetDexFile() != mUnit->GetDexFile()) { 912 dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 913 } 914 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 915 const DexFile::MethodId& referrer_method_id = mUnit->GetDexFile()->GetMethodId(mUnit->GetDexMethodIndex()); 916 return mUnit->GetClassLinker()->ResolveType(*mUnit->GetDexFile(), referrer_method_id.class_idx_, 917 dex_cache, class_loader); 918} 919 920static mirror::Field* ComputeFieldReferencedFromCompilingMethod(ScopedObjectAccess& soa, 921 const DexCompilationUnit* mUnit, 922 uint32_t field_idx) 923 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 924 mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 925 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 926 return mUnit->GetClassLinker()->ResolveField(*mUnit->GetDexFile(), field_idx, dex_cache, 927 class_loader, false); 928} 929 930static mirror::AbstractMethod* ComputeMethodReferencedFromCompilingMethod(ScopedObjectAccess& soa, 931 const DexCompilationUnit* mUnit, 932 uint32_t method_idx, 933 InvokeType type) 934 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 935 mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 936 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 937 return mUnit->GetClassLinker()->ResolveMethod(*mUnit->GetDexFile(), method_idx, dex_cache, 938 class_loader, NULL, type); 939} 940 941bool CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 942 int& field_offset, bool& is_volatile, bool is_put) { 943 ScopedObjectAccess soa(Thread::Current()); 944 // Conservative defaults. 945 field_offset = -1; 946 is_volatile = true; 947 // Try to resolve field and ignore if an Incompatible Class Change Error (ie is static). 948 mirror::Field* resolved_field = ComputeFieldReferencedFromCompilingMethod(soa, mUnit, field_idx); 949 if (resolved_field != NULL && !resolved_field->IsStatic()) { 950 mirror::Class* referrer_class = 951 ComputeCompilingMethodsClass(soa, resolved_field->GetDeclaringClass()->GetDexCache(), 952 mUnit); 953 if (referrer_class != NULL) { 954 mirror::Class* fields_class = resolved_field->GetDeclaringClass(); 955 bool access_ok = referrer_class->CanAccess(fields_class) && 956 referrer_class->CanAccessMember(fields_class, 957 resolved_field->GetAccessFlags()); 958 if (!access_ok) { 959 // The referring class can't access the resolved field, this may occur as a result of a 960 // protected field being made public by a sub-class. Resort to the dex file to determine 961 // the correct class for the access check. 962 const DexFile& dex_file = *referrer_class->GetDexCache()->GetDexFile(); 963 mirror::Class* dex_fields_class = mUnit->GetClassLinker()->ResolveType(dex_file, 964 dex_file.GetFieldId(field_idx).class_idx_, 965 referrer_class); 966 access_ok = referrer_class->CanAccess(dex_fields_class) && 967 referrer_class->CanAccessMember(dex_fields_class, 968 resolved_field->GetAccessFlags()); 969 } 970 bool is_write_to_final_from_wrong_class = is_put && resolved_field->IsFinal() && 971 fields_class != referrer_class; 972 if (access_ok && !is_write_to_final_from_wrong_class) { 973 field_offset = resolved_field->GetOffset().Int32Value(); 974 is_volatile = resolved_field->IsVolatile(); 975 stats_->ResolvedInstanceField(); 976 return true; // Fast path. 977 } 978 } 979 } 980 // Clean up any exception left by field/type resolution 981 if (soa.Self()->IsExceptionPending()) { 982 soa.Self()->ClearException(); 983 } 984 stats_->UnresolvedInstanceField(); 985 return false; // Incomplete knowledge needs slow path. 986} 987 988bool CompilerDriver::ComputeStaticFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 989 int& field_offset, int& ssb_index, 990 bool& is_referrers_class, bool& is_volatile, 991 bool is_put) { 992 ScopedObjectAccess soa(Thread::Current()); 993 // Conservative defaults. 994 field_offset = -1; 995 ssb_index = -1; 996 is_referrers_class = false; 997 is_volatile = true; 998 // Try to resolve field and ignore if an Incompatible Class Change Error (ie isn't static). 999 mirror::Field* resolved_field = ComputeFieldReferencedFromCompilingMethod(soa, mUnit, field_idx); 1000 if (resolved_field != NULL && resolved_field->IsStatic()) { 1001 mirror::Class* referrer_class = 1002 ComputeCompilingMethodsClass(soa, resolved_field->GetDeclaringClass()->GetDexCache(), 1003 mUnit); 1004 if (referrer_class != NULL) { 1005 mirror::Class* fields_class = resolved_field->GetDeclaringClass(); 1006 if (fields_class == referrer_class) { 1007 is_referrers_class = true; // implies no worrying about class initialization 1008 field_offset = resolved_field->GetOffset().Int32Value(); 1009 is_volatile = resolved_field->IsVolatile(); 1010 stats_->ResolvedLocalStaticField(); 1011 return true; // fast path 1012 } else { 1013 bool access_ok = referrer_class->CanAccess(fields_class) && 1014 referrer_class->CanAccessMember(fields_class, 1015 resolved_field->GetAccessFlags()); 1016 if (!access_ok) { 1017 // The referring class can't access the resolved field, this may occur as a result of a 1018 // protected field being made public by a sub-class. Resort to the dex file to determine 1019 // the correct class for the access check. Don't change the field's class as that is 1020 // used to identify the SSB. 1021 const DexFile& dex_file = *referrer_class->GetDexCache()->GetDexFile(); 1022 mirror::Class* dex_fields_class = 1023 mUnit->GetClassLinker()->ResolveType(dex_file, 1024 dex_file.GetFieldId(field_idx).class_idx_, 1025 referrer_class); 1026 access_ok = referrer_class->CanAccess(dex_fields_class) && 1027 referrer_class->CanAccessMember(dex_fields_class, 1028 resolved_field->GetAccessFlags()); 1029 } 1030 bool is_write_to_final_from_wrong_class = is_put && resolved_field->IsFinal(); 1031 if (access_ok && !is_write_to_final_from_wrong_class) { 1032 // We have the resolved field, we must make it into a ssbIndex for the referrer 1033 // in its static storage base (which may fail if it doesn't have a slot for it) 1034 // TODO: for images we can elide the static storage base null check 1035 // if we know there's a non-null entry in the image 1036 mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); 1037 if (fields_class->GetDexCache() == dex_cache) { 1038 // common case where the dex cache of both the referrer and the field are the same, 1039 // no need to search the dex file 1040 ssb_index = fields_class->GetDexTypeIndex(); 1041 field_offset = resolved_field->GetOffset().Int32Value(); 1042 is_volatile = resolved_field->IsVolatile(); 1043 stats_->ResolvedStaticField(); 1044 return true; 1045 } 1046 // Search dex file for localized ssb index, may fail if field's class is a parent 1047 // of the class mentioned in the dex file and there is no dex cache entry. 1048 const DexFile::StringId* string_id = 1049 mUnit->GetDexFile()->FindStringId(FieldHelper(resolved_field).GetDeclaringClassDescriptor()); 1050 if (string_id != NULL) { 1051 const DexFile::TypeId* type_id = 1052 mUnit->GetDexFile()->FindTypeId(mUnit->GetDexFile()->GetIndexForStringId(*string_id)); 1053 if (type_id != NULL) { 1054 // medium path, needs check of static storage base being initialized 1055 ssb_index = mUnit->GetDexFile()->GetIndexForTypeId(*type_id); 1056 field_offset = resolved_field->GetOffset().Int32Value(); 1057 is_volatile = resolved_field->IsVolatile(); 1058 stats_->ResolvedStaticField(); 1059 return true; 1060 } 1061 } 1062 } 1063 } 1064 } 1065 } 1066 // Clean up any exception left by field/type resolution 1067 if (soa.Self()->IsExceptionPending()) { 1068 soa.Self()->ClearException(); 1069 } 1070 stats_->UnresolvedStaticField(); 1071 return false; // Incomplete knowledge needs slow path. 1072} 1073 1074void CompilerDriver::GetCodeAndMethodForDirectCall(InvokeType type, InvokeType sharp_type, 1075 mirror::Class* referrer_class, 1076 mirror::AbstractMethod* method, 1077 uintptr_t& direct_code, 1078 uintptr_t& direct_method, 1079 bool update_stats) { 1080 // For direct and static methods compute possible direct_code and direct_method values, ie 1081 // an address for the Method* being invoked and an address of the code for that Method*. 1082 // For interface calls compute a value for direct_method that is the interface method being 1083 // invoked, so this can be passed to the out-of-line runtime support code. 1084 direct_code = 0; 1085 direct_method = 0; 1086 if (compiler_backend_ == kPortable) { 1087 if (sharp_type != kStatic && sharp_type != kDirect) { 1088 return; 1089 } 1090 } else { 1091 if (sharp_type != kStatic && sharp_type != kDirect && sharp_type != kInterface) { 1092 return; 1093 } 1094 } 1095 bool method_code_in_boot = method->GetDeclaringClass()->GetClassLoader() == NULL; 1096 if (!method_code_in_boot) { 1097 return; 1098 } 1099 bool has_clinit_trampoline = method->IsStatic() && !method->GetDeclaringClass()->IsInitialized(); 1100 if (has_clinit_trampoline && (method->GetDeclaringClass() != referrer_class)) { 1101 // Ensure we run the clinit trampoline unless we are invoking a static method in the same class. 1102 return; 1103 } 1104 if (update_stats) { 1105 if (sharp_type != kInterface) { // Interfaces always go via a trampoline. 1106 stats_->DirectCallsToBoot(type); 1107 } 1108 stats_->DirectMethodsToBoot(type); 1109 } 1110 bool compiling_boot = Runtime::Current()->GetHeap()->GetContinuousSpaces().size() == 1; 1111 if (compiling_boot) { 1112 if (support_boot_image_fixup_) { 1113 MethodHelper mh(method); 1114 if (IsImageClass(mh.GetDeclaringClassDescriptor())) { 1115 // We can only branch directly to Methods that are resolved in the DexCache. 1116 // Otherwise we won't invoke the resolution trampoline. 1117 direct_method = -1; 1118 direct_code = -1; 1119 } 1120 } 1121 } else { 1122 if (Runtime::Current()->GetHeap()->FindSpaceFromObject(method, false)->IsImageSpace()) { 1123 direct_method = reinterpret_cast<uintptr_t>(method); 1124 } 1125 direct_code = reinterpret_cast<uintptr_t>(method->GetEntryPointFromCompiledCode()); 1126 } 1127} 1128 1129bool CompilerDriver::ComputeInvokeInfo(const DexCompilationUnit* mUnit, const uint32_t dex_pc, 1130 InvokeType& invoke_type, 1131 MethodReference& target_method, 1132 int& vtable_idx, 1133 uintptr_t& direct_code, uintptr_t& direct_method, 1134 bool update_stats) { 1135 ScopedObjectAccess soa(Thread::Current()); 1136 vtable_idx = -1; 1137 direct_code = 0; 1138 direct_method = 0; 1139 mirror::AbstractMethod* resolved_method = 1140 ComputeMethodReferencedFromCompilingMethod(soa, mUnit, target_method.dex_method_index, 1141 invoke_type); 1142 if (resolved_method != NULL) { 1143 // Don't try to fast-path if we don't understand the caller's class or this appears to be an 1144 // Incompatible Class Change Error. 1145 mirror::Class* referrer_class = 1146 ComputeCompilingMethodsClass(soa, resolved_method->GetDeclaringClass()->GetDexCache(), 1147 mUnit); 1148 bool icce = resolved_method->CheckIncompatibleClassChange(invoke_type); 1149 if (referrer_class != NULL && !icce) { 1150 mirror::Class* methods_class = resolved_method->GetDeclaringClass(); 1151 if (!referrer_class->CanAccess(methods_class) || 1152 !referrer_class->CanAccessMember(methods_class, 1153 resolved_method->GetAccessFlags())) { 1154 // The referring class can't access the resolved method, this may occur as a result of a 1155 // protected method being made public by implementing an interface that re-declares the 1156 // method public. Resort to the dex file to determine the correct class for the access 1157 // check. 1158 uint16_t class_idx = 1159 target_method.dex_file->GetMethodId(target_method.dex_method_index).class_idx_; 1160 methods_class = mUnit->GetClassLinker()->ResolveType(*target_method.dex_file, 1161 class_idx, referrer_class); 1162 } 1163 if (referrer_class->CanAccess(methods_class) && 1164 referrer_class->CanAccessMember(methods_class, resolved_method->GetAccessFlags())) { 1165 const bool kEnableFinalBasedSharpening = true; 1166 // Sharpen a virtual call into a direct call when the target is known not to have been 1167 // overridden (ie is final). 1168 bool can_sharpen_virtual_based_on_type = 1169 (invoke_type == kVirtual) && (resolved_method->IsFinal() || methods_class->IsFinal()); 1170 // For invoke-super, ensure the vtable index will be correct to dispatch in the vtable of 1171 // the super class. 1172 bool can_sharpen_super_based_on_type = (invoke_type == kSuper) && 1173 (referrer_class != methods_class) && referrer_class->IsSubClass(methods_class) && 1174 resolved_method->GetMethodIndex() < methods_class->GetVTable()->GetLength() && 1175 (methods_class->GetVTable()->Get(resolved_method->GetMethodIndex()) == resolved_method); 1176 1177 if (kEnableFinalBasedSharpening && (can_sharpen_virtual_based_on_type || 1178 can_sharpen_super_based_on_type)) { 1179 // Sharpen a virtual call into a direct call. The method_idx is into referrer's 1180 // dex cache, check that this resolved method is where we expect it. 1181 CHECK(referrer_class->GetDexCache()->GetResolvedMethod(target_method.dex_method_index) == 1182 resolved_method) << PrettyMethod(resolved_method); 1183 if (update_stats) { 1184 stats_->ResolvedMethod(invoke_type); 1185 stats_->VirtualMadeDirect(invoke_type); 1186 } 1187 GetCodeAndMethodForDirectCall(invoke_type, kDirect, referrer_class, resolved_method, 1188 direct_code, direct_method, update_stats); 1189 invoke_type = kDirect; 1190 return true; 1191 } 1192 const bool kEnableVerifierBasedSharpening = true; 1193 if (kEnableVerifierBasedSharpening && (invoke_type == kVirtual || 1194 invoke_type == kInterface)) { 1195 // Did the verifier record a more precise invoke target based on its type information? 1196 const MethodReference caller_method(mUnit->GetDexFile(), mUnit->GetDexMethodIndex()); 1197 const MethodReference* devirt_map_target = 1198 verifier::MethodVerifier::GetDevirtMap(caller_method, dex_pc); 1199 if (devirt_map_target != NULL) { 1200 mirror::DexCache* target_dex_cache = 1201 mUnit->GetClassLinker()->FindDexCache(*devirt_map_target->dex_file); 1202 mirror::ClassLoader* class_loader = 1203 soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); 1204 mirror::AbstractMethod* called_method = 1205 mUnit->GetClassLinker()->ResolveMethod(*devirt_map_target->dex_file, 1206 devirt_map_target->dex_method_index, 1207 target_dex_cache, class_loader, NULL, 1208 kVirtual); 1209 CHECK(called_method != NULL); 1210 CHECK(!called_method->IsAbstract()); 1211 GetCodeAndMethodForDirectCall(invoke_type, kDirect, referrer_class, called_method, 1212 direct_code, direct_method, update_stats); 1213 bool compiler_needs_dex_cache = 1214 (GetCompilerBackend() == kPortable) || 1215 (GetCompilerBackend() == kQuick && instruction_set_ != kThumb2) || 1216 (direct_code == 0) || (direct_code == static_cast<unsigned int>(-1)) || 1217 (direct_method == 0) || (direct_method == static_cast<unsigned int>(-1)); 1218 if ((devirt_map_target->dex_file != target_method.dex_file) && 1219 compiler_needs_dex_cache) { 1220 // We need to use the dex cache to find either the method or code, and the dex file 1221 // containing the method isn't the one expected for the target method. Try to find 1222 // the method within the expected target dex file. 1223 // TODO: the -1 could be handled as direct code if the patching new the target dex 1224 // file. 1225 // TODO: quick only supports direct pointers with Thumb2. 1226 // TODO: the following should be factored into a common helper routine to find 1227 // one dex file's method within another. 1228 const DexFile* dexfile = target_method.dex_file; 1229 const DexFile* cm_dexfile = 1230 called_method->GetDeclaringClass()->GetDexCache()->GetDexFile(); 1231 const DexFile::MethodId& cm_method_id = 1232 cm_dexfile->GetMethodId(called_method->GetDexMethodIndex()); 1233 const char* cm_descriptor = cm_dexfile->StringByTypeIdx(cm_method_id.class_idx_); 1234 const DexFile::StringId* descriptor = dexfile->FindStringId(cm_descriptor); 1235 if (descriptor != NULL) { 1236 const DexFile::TypeId* type_id = 1237 dexfile->FindTypeId(dexfile->GetIndexForStringId(*descriptor)); 1238 if (type_id != NULL) { 1239 const char* cm_name = cm_dexfile->GetMethodName(cm_method_id); 1240 const DexFile::StringId* name = dexfile->FindStringId(cm_name); 1241 if (name != NULL) { 1242 uint16_t return_type_idx; 1243 std::vector<uint16_t> param_type_idxs; 1244 bool success = dexfile->CreateTypeList(&return_type_idx, ¶m_type_idxs, 1245 cm_dexfile->GetMethodSignature(cm_method_id)); 1246 if (success) { 1247 const DexFile::ProtoId* sig = 1248 dexfile->FindProtoId(return_type_idx, param_type_idxs); 1249 if (sig != NULL) { 1250 const DexFile::MethodId* method_id = dexfile->FindMethodId(*type_id, 1251 *name, *sig); 1252 if (method_id != NULL) { 1253 if (update_stats) { 1254 stats_->ResolvedMethod(invoke_type); 1255 stats_->VirtualMadeDirect(invoke_type); 1256 stats_->PreciseTypeDevirtualization(); 1257 } 1258 target_method.dex_method_index = dexfile->GetIndexForMethodId(*method_id); 1259 invoke_type = kDirect; 1260 return true; 1261 } 1262 } 1263 } 1264 } 1265 } 1266 } 1267 // TODO: the stats for direct code and method are off as we failed to find the direct 1268 // method in the referring method's dex cache/file. 1269 } else { 1270 if (update_stats) { 1271 stats_->ResolvedMethod(invoke_type); 1272 stats_->VirtualMadeDirect(invoke_type); 1273 stats_->PreciseTypeDevirtualization(); 1274 } 1275 target_method = *devirt_map_target; 1276 invoke_type = kDirect; 1277 return true; 1278 } 1279 } 1280 } 1281 if (invoke_type == kSuper) { 1282 // Unsharpened super calls are suspicious so go slow-path. 1283 } else { 1284 // Sharpening failed so generate a regular resolved method dispatch. 1285 if (update_stats) { 1286 stats_->ResolvedMethod(invoke_type); 1287 } 1288 if (invoke_type == kVirtual || invoke_type == kSuper) { 1289 vtable_idx = resolved_method->GetMethodIndex(); 1290 } 1291 GetCodeAndMethodForDirectCall(invoke_type, invoke_type, referrer_class, resolved_method, 1292 direct_code, direct_method, update_stats); 1293 return true; 1294 } 1295 } 1296 } 1297 } 1298 // Clean up any exception left by method/invoke_type resolution 1299 if (soa.Self()->IsExceptionPending()) { 1300 soa.Self()->ClearException(); 1301 } 1302 if (update_stats) { 1303 stats_->UnresolvedMethod(invoke_type); 1304 } 1305 return false; // Incomplete knowledge needs slow path. 1306} 1307 1308bool CompilerDriver::IsSafeCast(const MethodReference& mr, uint32_t dex_pc) { 1309 bool result = verifier::MethodVerifier::IsSafeCast(mr, dex_pc); 1310 if (result) { 1311 stats_->SafeCast(); 1312 } else { 1313 stats_->NotASafeCast(); 1314 } 1315 return result; 1316} 1317 1318 1319void CompilerDriver::AddCodePatch(const DexFile* dex_file, 1320 uint32_t referrer_method_idx, 1321 InvokeType referrer_invoke_type, 1322 uint32_t target_method_idx, 1323 InvokeType target_invoke_type, 1324 size_t literal_offset) { 1325 MutexLock mu(Thread::Current(), compiled_methods_lock_); 1326 code_to_patch_.push_back(new PatchInformation(dex_file, 1327 referrer_method_idx, 1328 referrer_invoke_type, 1329 target_method_idx, 1330 target_invoke_type, 1331 literal_offset)); 1332} 1333void CompilerDriver::AddMethodPatch(const DexFile* dex_file, 1334 uint32_t referrer_method_idx, 1335 InvokeType referrer_invoke_type, 1336 uint32_t target_method_idx, 1337 InvokeType target_invoke_type, 1338 size_t literal_offset) { 1339 MutexLock mu(Thread::Current(), compiled_methods_lock_); 1340 methods_to_patch_.push_back(new PatchInformation(dex_file, 1341 referrer_method_idx, 1342 referrer_invoke_type, 1343 target_method_idx, 1344 target_invoke_type, 1345 literal_offset)); 1346} 1347 1348class ParallelCompilationManager { 1349 public: 1350 typedef void Callback(const ParallelCompilationManager* manager, size_t index); 1351 1352 ParallelCompilationManager(ClassLinker* class_linker, 1353 jobject class_loader, 1354 CompilerDriver* compiler, 1355 const DexFile* dex_file, 1356 ThreadPool& thread_pool) 1357 : class_linker_(class_linker), 1358 class_loader_(class_loader), 1359 compiler_(compiler), 1360 dex_file_(dex_file), 1361 thread_pool_(&thread_pool) {} 1362 1363 ClassLinker* GetClassLinker() const { 1364 CHECK(class_linker_ != NULL); 1365 return class_linker_; 1366 } 1367 1368 jobject GetClassLoader() const { 1369 return class_loader_; 1370 } 1371 1372 CompilerDriver* GetCompiler() const { 1373 CHECK(compiler_ != NULL); 1374 return compiler_; 1375 } 1376 1377 const DexFile* GetDexFile() const { 1378 CHECK(dex_file_ != NULL); 1379 return dex_file_; 1380 } 1381 1382 void ForAll(size_t begin, size_t end, Callback callback, size_t work_units) { 1383 Thread* self = Thread::Current(); 1384 self->AssertNoPendingException(); 1385 CHECK_GT(work_units, 0U); 1386 1387 std::vector<ForAllClosure*> closures(work_units); 1388 for (size_t i = 0; i < work_units; ++i) { 1389 closures[i] = new ForAllClosure(this, begin + i, end, callback, work_units); 1390 thread_pool_->AddTask(self, closures[i]); 1391 } 1392 thread_pool_->StartWorkers(self); 1393 1394 // Ensure we're suspended while we're blocked waiting for the other threads to finish (worker 1395 // thread destructor's called below perform join). 1396 CHECK_NE(self->GetState(), kRunnable); 1397 1398 // Wait for all the worker threads to finish. 1399 thread_pool_->Wait(self, true, false); 1400 } 1401 1402 private: 1403 class ForAllClosure : public Task { 1404 public: 1405 ForAllClosure(ParallelCompilationManager* manager, size_t begin, size_t end, Callback* callback, 1406 size_t stripe) 1407 : manager_(manager), 1408 begin_(begin), 1409 end_(end), 1410 callback_(callback), 1411 stripe_(stripe) {} 1412 1413 virtual void Run(Thread* self) { 1414 for (size_t i = begin_; i < end_; i += stripe_) { 1415 callback_(manager_, i); 1416 self->AssertNoPendingException(); 1417 } 1418 } 1419 1420 virtual void Finalize() { 1421 delete this; 1422 } 1423 1424 private: 1425 const ParallelCompilationManager* const manager_; 1426 const size_t begin_; 1427 const size_t end_; 1428 const Callback* const callback_; 1429 const size_t stripe_; 1430 }; 1431 1432 ClassLinker* const class_linker_; 1433 const jobject class_loader_; 1434 CompilerDriver* const compiler_; 1435 const DexFile* const dex_file_; 1436 ThreadPool* const thread_pool_; 1437}; 1438 1439// Return true if the class should be skipped during compilation. We 1440// never skip classes in the boot class loader. However, if we have a 1441// non-boot class loader and we can resolve the class in the boot 1442// class loader, we do skip the class. This happens if an app bundles 1443// classes found in the boot classpath. Since at runtime we will 1444// select the class from the boot classpath, do not attempt to resolve 1445// or compile it now. 1446static bool SkipClass(mirror::ClassLoader* class_loader, 1447 const DexFile& dex_file, 1448 const DexFile::ClassDef& class_def) 1449 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1450 if (class_loader == NULL) { 1451 return false; 1452 } 1453 const char* descriptor = dex_file.GetClassDescriptor(class_def); 1454 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1455 mirror::Class* klass = class_linker->FindClass(descriptor, NULL); 1456 if (klass == NULL) { 1457 Thread* self = Thread::Current(); 1458 CHECK(self->IsExceptionPending()); 1459 self->ClearException(); 1460 return false; 1461 } 1462 return true; 1463} 1464 1465static void ResolveClassFieldsAndMethods(const ParallelCompilationManager* manager, size_t class_def_index) 1466 LOCKS_EXCLUDED(Locks::mutator_lock_) { 1467 ScopedObjectAccess soa(Thread::Current()); 1468 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()); 1469 const DexFile& dex_file = *manager->GetDexFile(); 1470 1471 // Method and Field are the worst. We can't resolve without either 1472 // context from the code use (to disambiguate virtual vs direct 1473 // method and instance vs static field) or from class 1474 // definitions. While the compiler will resolve what it can as it 1475 // needs it, here we try to resolve fields and methods used in class 1476 // definitions, since many of them many never be referenced by 1477 // generated code. 1478 const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 1479 if (SkipClass(class_loader, dex_file, class_def)) { 1480 return; 1481 } 1482 1483 // Note the class_data pointer advances through the headers, 1484 // static fields, instance fields, direct methods, and virtual 1485 // methods. 1486 const byte* class_data = dex_file.GetClassData(class_def); 1487 if (class_data == NULL) { 1488 // empty class such as a marker interface 1489 return; 1490 } 1491 Thread* self = Thread::Current(); 1492 ClassLinker* class_linker = manager->GetClassLinker(); 1493 mirror::DexCache* dex_cache = class_linker->FindDexCache(dex_file); 1494 ClassDataItemIterator it(dex_file, class_data); 1495 while (it.HasNextStaticField()) { 1496 mirror::Field* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), dex_cache, 1497 class_loader, true); 1498 if (field == NULL) { 1499 CHECK(self->IsExceptionPending()); 1500 self->ClearException(); 1501 } 1502 it.Next(); 1503 } 1504 // If an instance field is final then we need to have a barrier on the return, static final 1505 // fields are assigned within the lock held for class initialization. 1506 bool requires_constructor_barrier = false; 1507 while (it.HasNextInstanceField()) { 1508 if ((it.GetMemberAccessFlags() & kAccFinal) != 0) { 1509 requires_constructor_barrier = true; 1510 } 1511 1512 mirror::Field* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), dex_cache, 1513 class_loader, false); 1514 if (field == NULL) { 1515 CHECK(self->IsExceptionPending()); 1516 self->ClearException(); 1517 } 1518 it.Next(); 1519 } 1520 if (requires_constructor_barrier) { 1521 manager->GetCompiler()->AddRequiresConstructorBarrier(soa.Self(), manager->GetDexFile(), 1522 class_def_index); 1523 } 1524 while (it.HasNextDirectMethod()) { 1525 mirror::AbstractMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 1526 dex_cache, class_loader, NULL, 1527 it.GetMethodInvokeType(class_def)); 1528 if (method == NULL) { 1529 CHECK(self->IsExceptionPending()); 1530 self->ClearException(); 1531 } 1532 it.Next(); 1533 } 1534 while (it.HasNextVirtualMethod()) { 1535 mirror::AbstractMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 1536 dex_cache, class_loader, NULL, 1537 it.GetMethodInvokeType(class_def)); 1538 if (method == NULL) { 1539 CHECK(self->IsExceptionPending()); 1540 self->ClearException(); 1541 } 1542 it.Next(); 1543 } 1544 DCHECK(!it.HasNext()); 1545} 1546 1547static void ResolveType(const ParallelCompilationManager* manager, size_t type_idx) 1548 LOCKS_EXCLUDED(Locks::mutator_lock_) { 1549 // Class derived values are more complicated, they require the linker and loader. 1550 ScopedObjectAccess soa(Thread::Current()); 1551 ClassLinker* class_linker = manager->GetClassLinker(); 1552 const DexFile& dex_file = *manager->GetDexFile(); 1553 mirror::DexCache* dex_cache = class_linker->FindDexCache(dex_file); 1554 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()); 1555 mirror::Class* klass = class_linker->ResolveType(dex_file, type_idx, dex_cache, class_loader); 1556 1557 if (klass == NULL) { 1558 CHECK(soa.Self()->IsExceptionPending()); 1559 Thread::Current()->ClearException(); 1560 } 1561} 1562 1563void CompilerDriver::ResolveDexFile(jobject class_loader, const DexFile& dex_file, 1564 ThreadPool& thread_pool, TimingLogger& timings) { 1565 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1566 1567 // TODO: we could resolve strings here, although the string table is largely filled with class 1568 // and method names. 1569 1570 ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool); 1571 context.ForAll(0, dex_file.NumTypeIds(), ResolveType, thread_count_); 1572 timings.AddSplit("Resolve " + dex_file.GetLocation() + " Types"); 1573 1574 context.ForAll(0, dex_file.NumClassDefs(), ResolveClassFieldsAndMethods, thread_count_); 1575 timings.AddSplit("Resolve " + dex_file.GetLocation() + " MethodsAndFields"); 1576} 1577 1578void CompilerDriver::Verify(jobject class_loader, const std::vector<const DexFile*>& dex_files, 1579 ThreadPool& thread_pool, TimingLogger& timings) { 1580 for (size_t i = 0; i != dex_files.size(); ++i) { 1581 const DexFile* dex_file = dex_files[i]; 1582 CHECK(dex_file != NULL); 1583 VerifyDexFile(class_loader, *dex_file, thread_pool, timings); 1584 } 1585} 1586 1587static void VerifyClass(const ParallelCompilationManager* manager, size_t class_def_index) 1588 LOCKS_EXCLUDED(Locks::mutator_lock_) { 1589 ScopedObjectAccess soa(Thread::Current()); 1590 const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index); 1591 const char* descriptor = manager->GetDexFile()->GetClassDescriptor(class_def); 1592 mirror::Class* klass = 1593 manager->GetClassLinker()->FindClass(descriptor, 1594 soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader())); 1595 if (klass == NULL) { 1596 CHECK(soa.Self()->IsExceptionPending()); 1597 soa.Self()->ClearException(); 1598 1599 /* 1600 * At compile time, we can still structurally verify the class even if FindClass fails. 1601 * This is to ensure the class is structurally sound for compilation. An unsound class 1602 * will be rejected by the verifier and later skipped during compilation in the compiler. 1603 */ 1604 mirror::DexCache* dex_cache = manager->GetClassLinker()->FindDexCache(*manager->GetDexFile()); 1605 std::string error_msg; 1606 if (verifier::MethodVerifier::VerifyClass(manager->GetDexFile(), 1607 dex_cache, 1608 soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()), 1609 class_def_index, error_msg, true) == 1610 verifier::MethodVerifier::kHardFailure) { 1611 const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index); 1612 LOG(ERROR) << "Verification failed on class " 1613 << PrettyDescriptor(manager->GetDexFile()->GetClassDescriptor(class_def)) 1614 << " because: " << error_msg; 1615 } 1616 return; 1617 } 1618 CHECK(klass->IsResolved()) << PrettyClass(klass); 1619 manager->GetClassLinker()->VerifyClass(klass); 1620 1621 if (klass->IsErroneous()) { 1622 // ClassLinker::VerifyClass throws, which isn't useful in the compiler. 1623 CHECK(soa.Self()->IsExceptionPending()); 1624 soa.Self()->ClearException(); 1625 } 1626 1627 CHECK(klass->IsCompileTimeVerified() || klass->IsErroneous()) 1628 << PrettyDescriptor(klass) << ": state=" << klass->GetStatus(); 1629 soa.Self()->AssertNoPendingException(); 1630} 1631 1632void CompilerDriver::VerifyDexFile(jobject class_loader, const DexFile& dex_file, 1633 ThreadPool& thread_pool, TimingLogger& timings) { 1634 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1635 ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool); 1636 context.ForAll(0, dex_file.NumClassDefs(), VerifyClass, thread_count_); 1637 timings.AddSplit("Verify " + dex_file.GetLocation()); 1638} 1639 1640static const char* class_initializer_black_list[] = { 1641 "Landroid/app/ActivityThread;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1642 "Landroid/bluetooth/BluetoothAudioGateway;", // Calls android.bluetooth.BluetoothAudioGateway.classInitNative(). 1643 "Landroid/bluetooth/HeadsetBase;", // Calls android.bluetooth.HeadsetBase.classInitNative(). 1644 "Landroid/content/res/CompatibilityInfo;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1645 "Landroid/content/res/CompatibilityInfo$1;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1646 "Landroid/content/UriMatcher;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1647 "Landroid/database/CursorWindow;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1648 "Landroid/database/sqlite/SQLiteConnection;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1649 "Landroid/database/sqlite/SQLiteConnection$Operation;", // Requires SimpleDateFormat -> java.util.Locale. 1650 "Landroid/database/sqlite/SQLiteDatabaseConfiguration;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1651 "Landroid/database/sqlite/SQLiteDebug;", // Calls android.util.Log.isLoggable. 1652 "Landroid/database/sqlite/SQLiteOpenHelper;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex. 1653 "Landroid/database/sqlite/SQLiteQueryBuilder;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1654 "Landroid/drm/DrmManagerClient;", // Calls System.loadLibrary. 1655 "Landroid/graphics/drawable/AnimatedRotateDrawable;", // Sub-class of Drawable. 1656 "Landroid/graphics/drawable/AnimationDrawable;", // Sub-class of Drawable. 1657 "Landroid/graphics/drawable/BitmapDrawable;", // Sub-class of Drawable. 1658 "Landroid/graphics/drawable/ClipDrawable;", // Sub-class of Drawable. 1659 "Landroid/graphics/drawable/ColorDrawable;", // Sub-class of Drawable. 1660 "Landroid/graphics/drawable/Drawable;", // Requires android.graphics.Rect. 1661 "Landroid/graphics/drawable/DrawableContainer;", // Sub-class of Drawable. 1662 "Landroid/graphics/drawable/GradientDrawable;", // Sub-class of Drawable. 1663 "Landroid/graphics/drawable/LayerDrawable;", // Sub-class of Drawable. 1664 "Landroid/graphics/drawable/NinePatchDrawable;", // Sub-class of Drawable. 1665 "Landroid/graphics/drawable/RotateDrawable;", // Sub-class of Drawable. 1666 "Landroid/graphics/drawable/ScaleDrawable;", // Sub-class of Drawable. 1667 "Landroid/graphics/drawable/ShapeDrawable;", // Sub-class of Drawable. 1668 "Landroid/graphics/drawable/StateListDrawable;", // Sub-class of Drawable. 1669 "Landroid/graphics/drawable/TransitionDrawable;", // Sub-class of Drawable. 1670 "Landroid/graphics/Matrix;", // Calls android.graphics.Matrix.native_create. 1671 "Landroid/graphics/Matrix$1;", // Requires Matrix. 1672 "Landroid/graphics/PixelFormat;", // Calls android.graphics.PixelFormat.nativeClassInit(). 1673 "Landroid/graphics/Rect;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1674 "Landroid/graphics/SurfaceTexture;", // Calls android.graphics.SurfaceTexture.nativeClassInit(). 1675 "Landroid/graphics/Typeface;", // Calls android.graphics.Typeface.nativeCreate. 1676 "Landroid/inputmethodservice/ExtractEditText;", // Requires android.widget.TextView. 1677 "Landroid/media/AmrInputStream;", // Calls OsConstants.initConstants. 1678 "Landroid/media/CamcorderProfile;", // Calls OsConstants.initConstants. 1679 "Landroid/media/CameraProfile;", // Calls System.loadLibrary. 1680 "Landroid/media/DecoderCapabilities;", // Calls System.loadLibrary. 1681 "Landroid/media/EncoderCapabilities;", // Calls OsConstants.initConstants. 1682 "Landroid/media/ExifInterface;", // Calls OsConstants.initConstants. 1683 "Landroid/media/MediaCodec;", // Calls OsConstants.initConstants. 1684 "Landroid/media/MediaCodecList;", // Calls OsConstants.initConstants. 1685 "Landroid/media/MediaCrypto;", // Calls OsConstants.initConstants. 1686 "Landroid/media/MediaDrm;", // Calls OsConstants.initConstants. 1687 "Landroid/media/MediaExtractor;", // Calls OsConstants.initConstants. 1688 "Landroid/media/MediaFile;", // Requires DecoderCapabilities. 1689 "Landroid/media/MediaMetadataRetriever;", // Calls OsConstants.initConstants. 1690 "Landroid/media/MediaMuxer;", // Calls OsConstants.initConstants. 1691 "Landroid/media/MediaPlayer;", // Calls System.loadLibrary. 1692 "Landroid/media/MediaRecorder;", // Calls System.loadLibrary. 1693 "Landroid/media/MediaScanner;", // Calls System.loadLibrary. 1694 "Landroid/media/ResampleInputStream;", // Calls OsConstants.initConstants. 1695 "Landroid/media/SoundPool;", // Calls OsConstants.initConstants. 1696 "Landroid/media/videoeditor/MediaArtistNativeHelper;", // Calls OsConstants.initConstants. 1697 "Landroid/media/videoeditor/VideoEditorProfile;", // Calls OsConstants.initConstants. 1698 "Landroid/mtp/MtpDatabase;", // Calls OsConstants.initConstants. 1699 "Landroid/mtp/MtpDevice;", // Calls OsConstants.initConstants. 1700 "Landroid/mtp/MtpServer;", // Calls OsConstants.initConstants. 1701 "Landroid/net/NetworkInfo;", // Calls java.util.EnumMap.<init> -> java.lang.Enum.getSharedConstants -> System.identityHashCode. 1702 "Landroid/net/Proxy;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1703 "Landroid/net/SSLCertificateSocketFactory;", // Requires javax.net.ssl.HttpsURLConnection. 1704 "Landroid/net/Uri;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex. 1705 "Landroid/net/Uri$AbstractHierarchicalUri;", // Requires Uri. 1706 "Landroid/net/Uri$HierarchicalUri;", // Requires Uri. 1707 "Landroid/net/Uri$OpaqueUri;", // Requires Uri. 1708 "Landroid/net/Uri$StringUri;", // Requires Uri. 1709 "Landroid/net/WebAddress;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1710 "Landroid/nfc/NdefRecord;", // Calls String.getBytes -> java.nio.charset.Charset. 1711 "Landroid/opengl/EGL14;", // Calls android.opengl.EGL14._nativeClassInit. 1712 "Landroid/opengl/GLES10;", // Calls android.opengl.GLES10._nativeClassInit. 1713 "Landroid/opengl/GLES10Ext;", // Calls android.opengl.GLES10Ext._nativeClassInit. 1714 "Landroid/opengl/GLES11;", // Requires GLES10. 1715 "Landroid/opengl/GLES11Ext;", // Calls android.opengl.GLES11Ext._nativeClassInit. 1716 "Landroid/opengl/GLES20;", // Calls android.opengl.GLES20._nativeClassInit. 1717 "Landroid/opengl/GLUtils;", // Calls android.opengl.GLUtils.nativeClassInit. 1718 "Landroid/os/Build;", // Calls -..-> android.os.SystemProperties.native_get. 1719 "Landroid/os/Build$VERSION;", // Requires Build. 1720 "Landroid/os/Debug;", // Requires android.os.Environment. 1721 "Landroid/os/Environment;", // Calls System.getenv. 1722 "Landroid/os/FileUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1723 "Landroid/os/StrictMode;", // Calls android.util.Log.isLoggable. 1724 "Landroid/os/StrictMode$VmPolicy;", // Requires StrictMode. 1725 "Landroid/os/Trace;", // Calls android.os.Trace.nativeGetEnabledTags. 1726 "Landroid/os/UEventObserver;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex. 1727 "Landroid/provider/ContactsContract;", // Calls OsConstants.initConstants. 1728 "Landroid/provider/Settings$Global;", // Calls OsConstants.initConstants. 1729 "Landroid/provider/Settings$Secure;", // Requires android.net.Uri. 1730 "Landroid/provider/Settings$System;", // Requires android.net.Uri. 1731 "Landroid/renderscript/RenderScript;", // Calls System.loadLibrary. 1732 "Landroid/server/BluetoothService;", // Calls android.server.BluetoothService.classInitNative. 1733 "Landroid/server/BluetoothEventLoop;", // Calls android.server.BluetoothEventLoop.classInitNative. 1734 "Landroid/telephony/PhoneNumberUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1735 "Landroid/telephony/TelephonyManager;", // Calls OsConstants.initConstants. 1736 "Landroid/text/AutoText;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. 1737 "Landroid/text/Layout;", // Calls com.android.internal.util.ArrayUtils.emptyArray -> System.identityHashCode. 1738 "Landroid/text/BoringLayout;", // Requires Layout. 1739 "Landroid/text/DynamicLayout;", // Requires Layout. 1740 "Landroid/text/Html$HtmlParser;", // Calls -..-> String.toLowerCase -> java.util.Locale. 1741 "Landroid/text/StaticLayout;", // Requires Layout. 1742 "Landroid/text/TextUtils;", // Requires android.util.DisplayMetrics. 1743 "Landroid/util/DisplayMetrics;", // Calls SystemProperties.native_get_int. 1744 "Landroid/util/Patterns;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1745 "Landroid/view/Choreographer;", // Calls SystemProperties.native_get_boolean. 1746 "Landroid/util/Patterns;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1747 "Landroid/view/GLES20Canvas;", // Calls GLES20Canvas.nIsAvailable(). 1748 "Landroid/view/GLES20RecordingCanvas;", // Requires android.view.GLES20Canvas. 1749 "Landroid/view/GestureDetector;", // Calls android.view.GLES20Canvas.nIsAvailable. 1750 "Landroid/view/HardwareRenderer$Gl20Renderer;", // Requires SystemProperties.native_get. 1751 "Landroid/view/HardwareRenderer$GlRenderer;", // Requires SystemProperties.native_get. 1752 "Landroid/view/InputEventConsistencyVerifier;", // Requires android.os.Build. 1753 "Landroid/view/Surface;", // Requires SystemProperties.native_get. 1754 "Landroid/view/SurfaceControl;", // Calls OsConstants.initConstants. 1755 "Landroid/view/animation/AlphaAnimation;", // Requires Animation. 1756 "Landroid/view/animation/Animation;", // Calls SystemProperties.native_get_boolean. 1757 "Landroid/view/animation/AnimationSet;", // Calls OsConstants.initConstants. 1758 "Landroid/view/textservice/SpellCheckerSubtype;", // Calls Class.getDex(). 1759 "Landroid/webkit/JniUtil;", // Calls System.loadLibrary. 1760 "Landroid/webkit/PluginManager;", // // Calls OsConstants.initConstants. 1761 "Landroid/webkit/WebViewCore;", // Calls System.loadLibrary. 1762 "Landroid/webkit/WebViewFactory$Preloader;", // Calls to Class.forName. 1763 "Landroid/webkit/WebViewInputDispatcher;", // Calls Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1764 "Landroid/webkit/URLUtil;", // Calls Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1765 "Landroid/widget/AutoCompleteTextView;", // Requires TextView. 1766 "Landroid/widget/Button;", // Requires TextView. 1767 "Landroid/widget/CheckBox;", // Requires TextView. 1768 "Landroid/widget/CheckedTextView;", // Requires TextView. 1769 "Landroid/widget/CompoundButton;", // Requires TextView. 1770 "Landroid/widget/EditText;", // Requires TextView. 1771 "Landroid/widget/NumberPicker;", // Requires java.util.Locale. 1772 "Landroid/widget/ScrollBarDrawable;", // Sub-class of Drawable. 1773 "Landroid/widget/SearchView$SearchAutoComplete;", // Requires TextView. 1774 "Landroid/widget/Switch;", // Requires TextView. 1775 "Landroid/widget/TextView;", // Calls Paint.<init> -> Paint.native_init. 1776 "Lcom/android/i18n/phonenumbers/AsYouTypeFormatter;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1777 "Lcom/android/i18n/phonenumbers/MetadataManager;", // Calls OsConstants.initConstants. 1778 "Lcom/android/i18n/phonenumbers/PhoneNumberMatcher;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1779 "Lcom/android/i18n/phonenumbers/PhoneNumberUtil;", // Requires java.util.logging.LogManager. 1780 "Lcom/android/i18n/phonenumbers/geocoding/AreaCodeMap;", // Calls OsConstants.initConstants. 1781 "Lcom/android/i18n/phonenumbers/geocoding/PhoneNumberOfflineGeocoder;", // Calls OsConstants.initConstants. 1782 "Lcom/android/internal/os/SamplingProfilerIntegration;", // Calls SystemProperties.native_get_int. 1783 "Lcom/android/internal/policy/impl/PhoneWindow;", // Calls android.os.Binder.init. 1784 "Lcom/android/internal/view/menu/ActionMenuItemView;", // Requires TextView. 1785 "Lcom/android/internal/widget/DialogTitle;", // Requires TextView. 1786 "Lcom/android/org/bouncycastle/asn1/StreamUtil;", // Calls Runtime.getRuntime().maxMemory(). 1787 "Lcom/android/org/bouncycastle/asn1/pkcs/MacData;", // Calls native ... -> java.math.NativeBN.BN_new(). 1788 "Lcom/android/org/bouncycastle/asn1/pkcs/RSASSAPSSparams;", // Calls native ... -> java.math.NativeBN.BN_new(). 1789 "Lcom/android/org/bouncycastle/asn1/cms/SignedData;", // Calls native ... -> java.math.NativeBN.BN_new(). 1790 "Lcom/android/org/bouncycastle/asn1/x509/GeneralSubtree;", // Calls native ... -> java.math.NativeBN.BN_new(). 1791 "Lcom/android/org/bouncycastle/asn1/x9/X9ECParameters;", // Calls native ... -> java.math.NativeBN.BN_new(). 1792 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$MD5;", // Requires com.android.org.conscrypt.NativeCrypto. 1793 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA1;", // Requires com.android.org.conscrypt.NativeCrypto. 1794 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA256;", // Requires com.android.org.conscrypt.NativeCrypto. 1795 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA384;", // Requires com.android.org.conscrypt.NativeCrypto. 1796 "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA512;", // Requires com.android.org.conscrypt.NativeCrypto. 1797 "Lcom/android/org/bouncycastle/crypto/engines/RSABlindedEngine;", // Calls native ... -> java.math.NativeBN.BN_new(). 1798 "Lcom/android/org/bouncycastle/crypto/generators/DHKeyGeneratorHelper;", // Calls native ... -> java.math.NativeBN.BN_new(). 1799 "Lcom/android/org/bouncycastle/crypto/generators/DHParametersGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1800 "Lcom/android/org/bouncycastle/crypto/generators/DHParametersHelper;", // Calls System.getenv -> OsConstants.initConstants. 1801 "Lcom/android/org/bouncycastle/crypto/generators/DSAKeyPairGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1802 "Lcom/android/org/bouncycastle/crypto/generators/DSAParametersGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1803 "Lcom/android/org/bouncycastle/crypto/generators/RSAKeyPairGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). 1804 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/dh/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1805 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/dsa/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1806 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$EC;", // Calls OsConstants.initConstants. 1807 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDH;", // Calls OsConstants.initConstants. 1808 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDHC;", // Calls OsConstants.initConstants. 1809 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDSA;", // Calls OsConstants.initConstants. 1810 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECMQV;", // Calls OsConstants.initConstants. 1811 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1812 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/BCRSAPrivateCrtKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1813 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/BCRSAPrivateKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1814 "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. 1815 "Lcom/android/org/bouncycastle/jcajce/provider/keystore/pkcs12/PKCS12KeyStoreSpi$BCPKCS12KeyStore;", // Calls Thread.currentThread. 1816 "Lcom/android/org/bouncycastle/jcajce/provider/keystore/pkcs12/PKCS12KeyStoreSpi;", // Calls Thread.currentThread. 1817 "Lcom/android/org/bouncycastle/jce/PKCS10CertificationRequest;", // Calls native ... -> java.math.NativeBN.BN_new(). 1818 "Lcom/android/org/bouncycastle/jce/provider/CertBlacklist;", // Calls System.getenv -> OsConstants.initConstants. 1819 "Lcom/android/org/bouncycastle/jce/provider/JCERSAPrivateCrtKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1820 "Lcom/android/org/bouncycastle/jce/provider/JCERSAPrivateKey;", // Calls native ... -> java.math.NativeBN.BN_new(). 1821 "Lcom/android/org/bouncycastle/jce/provider/PKIXCertPathValidatorSpi;", // Calls System.getenv -> OsConstants.initConstants. 1822 "Lcom/android/org/bouncycastle/math/ec/ECConstants;", // Calls native ... -> java.math.NativeBN.BN_new(). 1823 "Lcom/android/org/bouncycastle/math/ec/Tnaf;", // Calls native ... -> java.math.NativeBN.BN_new(). 1824 "Lcom/android/org/bouncycastle/util/BigIntegers;", // Calls native ... -> java.math.NativeBN.BN_new(). 1825 "Lcom/android/org/bouncycastle/x509/X509Util;", // Calls native ... -> java.math.NativeBN.BN_new(). 1826 "Lcom/android/org/conscrypt/CipherSuite;", // Calls OsConstants.initConstants. 1827 "Lcom/android/org/conscrypt/FileClientSessionCache$CacheFile;", // Calls OsConstants.initConstants. 1828 "Lcom/android/org/conscrypt/HandshakeIODataStream;", // Calls OsConstants.initConstants. 1829 "Lcom/android/org/conscrypt/Logger;", // Calls OsConstants.initConstants. 1830 "Lcom/android/org/conscrypt/NativeCrypto;", // Calls native NativeCrypto.clinit(). 1831 "Lcom/android/org/conscrypt/OpenSSLECKeyPairGenerator;", // Calls OsConstants.initConstants. 1832 "Lcom/android/org/conscrypt/OpenSSLEngine;", // Requires com.android.org.conscrypt.NativeCrypto. 1833 "Lcom/android/org/conscrypt/OpenSSLMac$HmacMD5;", // Calls native NativeCrypto.clinit(). 1834 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA1;", // Calls native NativeCrypto.clinit(). 1835 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA256;", // Calls native NativeCrypto.clinit(). 1836 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA384;", // Calls native NativeCrypto.clinit(). 1837 "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA512;", // Calls native NativeCrypto.clinit(). 1838 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$MD5;", // Requires com.android.org.conscrypt.NativeCrypto. 1839 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA1;", // Requires com.android.org.conscrypt.NativeCrypto. 1840 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA256;", // Requires com.android.org.conscrypt.NativeCrypto. 1841 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA384;", // Requires com.android.org.conscrypt.NativeCrypto. 1842 "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA512;", // Requires com.android.org.conscrypt.NativeCrypto. 1843 "Lcom/android/org/conscrypt/OpenSSLX509CertPath;", // Calls OsConstants.initConstants. 1844 "Lcom/android/org/conscrypt/OpenSSLX509CertificateFactory;", // Calls OsConstants.initConstants. 1845 "Lcom/android/org/conscrypt/PRF;", // Calls OsConstants.initConstants. 1846 "Lcom/android/org/conscrypt/SSLSessionImpl;", // Calls OsConstants.initConstants. 1847 "Lcom/android/org/conscrypt/TrustedCertificateStore;", // Calls System.getenv -> OsConstants.initConstants. 1848 "Lcom/android/okhttp/ConnectionPool;", // Calls OsConstants.initConstants. 1849 "Lcom/android/okhttp/OkHttpClient;", // Calls OsConstants.initConstants. 1850 "Lcom/android/okhttp/internal/DiskLruCache;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1851 "Lcom/android/okhttp/internal/Util;", // Calls OsConstants.initConstants. 1852 "Lcom/android/okhttp/internal/http/HttpsURLConnectionImpl;", // Calls VMClassLoader.getBootClassPathSize. 1853 "Lcom/android/okhttp/internal/spdy/SpdyConnection;", // Calls OsConstants.initConstants. 1854 "Lcom/android/okhttp/internal/spdy/SpdyReader;", // Calls OsConstants.initConstants. 1855 "Lcom/android/okhttp/internal/tls/OkHostnameVerifier;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1856 "Lcom/google/android/gles_jni/EGLContextImpl;", // Calls com.google.android.gles_jni.EGLImpl._nativeClassInit. 1857 "Lcom/google/android/gles_jni/EGLImpl;", // Calls com.google.android.gles_jni.EGLImpl._nativeClassInit. 1858 "Lcom/google/android/gles_jni/GLImpl;", // Calls com.google.android.gles_jni.GLImpl._nativeClassInit. 1859 "Lgov/nist/core/GenericObject;", // Calls OsConstants.initConstants. 1860 "Lgov/nist/core/Host;", // Calls OsConstants.initConstants. 1861 "Lgov/nist/core/HostPort;", // Calls OsConstants.initConstants. 1862 "Lgov/nist/core/NameValue;", // Calls OsConstants.initConstants. 1863 "Lgov/nist/core/net/DefaultNetworkLayer;", // Calls OsConstants.initConstants. 1864 "Lgov/nist/javax/sip/Utils;", // Calls OsConstants.initConstants. 1865 "Lgov/nist/javax/sip/address/AddressImpl;", // Calls OsConstants.initConstants. 1866 "Lgov/nist/javax/sip/address/Authority;", // Calls OsConstants.initConstants. 1867 "Lgov/nist/javax/sip/address/GenericURI;", // Calls OsConstants.initConstants. 1868 "Lgov/nist/javax/sip/address/NetObject;", // Calls OsConstants.initConstants. 1869 "Lgov/nist/javax/sip/address/SipUri;", // Calls OsConstants.initConstants. 1870 "Lgov/nist/javax/sip/address/TelephoneNumber;", // Calls OsConstants.initConstants. 1871 "Lgov/nist/javax/sip/address/UserInfo;", // Calls OsConstants.initConstants. 1872 "Lgov/nist/javax/sip/header/Accept;", // Calls OsConstants.initConstants. 1873 "Lgov/nist/javax/sip/header/AcceptEncoding;", // Calls OsConstants.initConstants. 1874 "Lgov/nist/javax/sip/header/AcceptLanguage;", // Calls OsConstants.initConstants. 1875 "Lgov/nist/javax/sip/header/AddressParametersHeader;", // Calls OsConstants.initConstants. 1876 "Lgov/nist/javax/sip/header/AlertInfoList;", // Calls OsConstants.initConstants. 1877 "Lgov/nist/javax/sip/header/AllowEvents;", // Calls OsConstants.initConstants. 1878 "Lgov/nist/javax/sip/header/AllowEventsList;", // Calls OsConstants.initConstants. 1879 "Lgov/nist/javax/sip/header/AuthenticationInfo;", // Calls OsConstants.initConstants. 1880 "Lgov/nist/javax/sip/header/Authorization;", // Calls OsConstants.initConstants. 1881 "Lgov/nist/javax/sip/header/CSeq;", // Calls OsConstants.initConstants. 1882 "Lgov/nist/javax/sip/header/CallIdentifier;", // Calls OsConstants.initConstants. 1883 "Lgov/nist/javax/sip/header/Challenge;", // Calls OsConstants.initConstants. 1884 "Lgov/nist/javax/sip/header/ContactList;", // Calls OsConstants.initConstants. 1885 "Lgov/nist/javax/sip/header/ContentEncoding;", // Calls OsConstants.initConstants. 1886 "Lgov/nist/javax/sip/header/ContentEncodingList;", // Calls OsConstants.initConstants. 1887 "Lgov/nist/javax/sip/header/ContentLanguageList;", // Calls OsConstants.initConstants. 1888 "Lgov/nist/javax/sip/header/ContentType;", // Calls OsConstants.initConstants. 1889 "Lgov/nist/javax/sip/header/Credentials;", // Calls OsConstants.initConstants. 1890 "Lgov/nist/javax/sip/header/ErrorInfoList;", // Calls OsConstants.initConstants. 1891 "Lgov/nist/javax/sip/header/Expires;", // Calls OsConstants.initConstants. 1892 "Lgov/nist/javax/sip/header/From;", // Calls OsConstants.initConstants. 1893 "Lgov/nist/javax/sip/header/MimeVersion;", // Calls OsConstants.initConstants. 1894 "Lgov/nist/javax/sip/header/NameMap;", // Calls OsConstants.initConstants. 1895 "Lgov/nist/javax/sip/header/Priority;", // Calls OsConstants.initConstants. 1896 "Lgov/nist/javax/sip/header/Protocol;", // Calls OsConstants.initConstants. 1897 "Lgov/nist/javax/sip/header/ProxyAuthenticate;", // Calls OsConstants.initConstants. 1898 "Lgov/nist/javax/sip/header/ProxyAuthenticateList;", // Calls OsConstants.initConstants. 1899 "Lgov/nist/javax/sip/header/ProxyAuthorizationList;", // Calls OsConstants.initConstants. 1900 "Lgov/nist/javax/sip/header/ProxyRequire;", // Calls OsConstants.initConstants. 1901 "Lgov/nist/javax/sip/header/ProxyRequireList;", // Calls OsConstants.initConstants. 1902 "Lgov/nist/javax/sip/header/RSeq;", // Calls OsConstants.initConstants. 1903 "Lgov/nist/javax/sip/header/RecordRoute;", // Calls OsConstants.initConstants. 1904 "Lgov/nist/javax/sip/header/ReferTo;", // Calls OsConstants.initConstants. 1905 "Lgov/nist/javax/sip/header/RequestLine;", // Calls OsConstants.initConstants. 1906 "Lgov/nist/javax/sip/header/Require;", // Calls OsConstants.initConstants. 1907 "Lgov/nist/javax/sip/header/RetryAfter;", // Calls OsConstants.initConstants. 1908 "Lgov/nist/javax/sip/header/SIPETag;", // Calls OsConstants.initConstants. 1909 "Lgov/nist/javax/sip/header/SIPHeader;", // Calls OsConstants.initConstants. 1910 "Lgov/nist/javax/sip/header/SIPHeaderNamesCache;", // Calls OsConstants.initConstants. 1911 "Lgov/nist/javax/sip/header/StatusLine;", // Calls OsConstants.initConstants. 1912 "Lgov/nist/javax/sip/header/SubscriptionState;", // Calls OsConstants.initConstants. 1913 "Lgov/nist/javax/sip/header/TimeStamp;", // Calls OsConstants.initConstants. 1914 "Lgov/nist/javax/sip/header/UserAgent;", // Calls OsConstants.initConstants. 1915 "Lgov/nist/javax/sip/header/Unsupported;", // Calls OsConstants.initConstants. 1916 "Lgov/nist/javax/sip/header/Warning;", // Calls OsConstants.initConstants. 1917 "Lgov/nist/javax/sip/header/ViaList;", // Calls OsConstants.initConstants. 1918 "Lgov/nist/javax/sip/header/extensions/Join;", // Calls OsConstants.initConstants. 1919 "Lgov/nist/javax/sip/header/extensions/References;", // Calls OsConstants.initConstants. 1920 "Lgov/nist/javax/sip/header/extensions/Replaces;", // Calls OsConstants.initConstants. 1921 "Lgov/nist/javax/sip/header/ims/PAccessNetworkInfo;", // Calls OsConstants.initConstants. 1922 "Lgov/nist/javax/sip/header/ims/PAssertedIdentity;", // Calls OsConstants.initConstants. 1923 "Lgov/nist/javax/sip/header/ims/PAssertedIdentityList;", // Calls OsConstants.initConstants. 1924 "Lgov/nist/javax/sip/header/ims/PAssociatedURI;", // Calls OsConstants.initConstants. 1925 "Lgov/nist/javax/sip/header/ims/PCalledPartyID;", // Calls OsConstants.initConstants. 1926 "Lgov/nist/javax/sip/header/ims/PChargingVector;", // Calls OsConstants.initConstants. 1927 "Lgov/nist/javax/sip/header/ims/PPreferredIdentity;", // Calls OsConstants.initConstants. 1928 "Lgov/nist/javax/sip/header/ims/PVisitedNetworkIDList;", // Calls OsConstants.initConstants. 1929 "Lgov/nist/javax/sip/header/ims/PathList;", // Calls OsConstants.initConstants. 1930 "Lgov/nist/javax/sip/header/ims/SecurityAgree;", // Calls OsConstants.initConstants. 1931 "Lgov/nist/javax/sip/header/ims/SecurityClient;", // Calls OsConstants.initConstants. 1932 "Lgov/nist/javax/sip/header/ims/ServiceRoute;", // Calls OsConstants.initConstants. 1933 "Ljava/io/Console;", // Has FileDescriptor(s). 1934 "Ljava/io/File;", // Calls to Random.<init> -> System.currentTimeMillis -> OsConstants.initConstants. 1935 "Ljava/io/FileDescriptor;", // Requires libcore.io.OsConstants. 1936 "Ljava/io/ObjectInputStream;", // Requires java.lang.ClassLoader$SystemClassLoader. 1937 "Ljava/io/ObjectStreamClass;", // Calls to Class.forName -> java.io.FileDescriptor. 1938 "Ljava/io/ObjectStreamConstants;", // Instance of non-image class SerializablePermission. 1939 "Ljava/lang/ClassLoader$SystemClassLoader;", // Calls System.getProperty -> OsConstants.initConstants. 1940 "Ljava/lang/HexStringParser;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1941 "Ljava/lang/ProcessManager;", // Calls Thread.currentThread. 1942 "Ljava/lang/Runtime;", // Calls System.getProperty -> OsConstants.initConstants. 1943 "Ljava/lang/System;", // Calls OsConstants.initConstants. 1944 "Ljava/math/BigDecimal;", // Calls native ... -> java.math.NativeBN.BN_new(). 1945 "Ljava/math/BigInteger;", // Calls native ... -> java.math.NativeBN.BN_new(). 1946 "Ljava/math/Primality;", // Calls native ... -> java.math.NativeBN.BN_new(). 1947 "Ljava/math/Multiplication;", // Calls native ... -> java.math.NativeBN.BN_new(). 1948 "Ljava/net/InetAddress;", // Requires libcore.io.OsConstants. 1949 "Ljava/net/Inet4Address;", // Sub-class of InetAddress. 1950 "Ljava/net/Inet6Address;", // Sub-class of InetAddress. 1951 "Ljava/net/InetUnixAddress;", // Sub-class of InetAddress. 1952 "Ljava/nio/charset/Charset;", // Calls Charset.getDefaultCharset -> System.getProperty -> OsConstants.initConstants. 1953 "Ljava/nio/charset/CharsetICU;", // Sub-class of Charset. 1954 "Ljava/nio/charset/Charsets;", // Calls Charset.forName. 1955 "Ljava/nio/charset/StandardCharsets;", // Calls OsConstants.initConstants. 1956 "Ljava/security/AlgorithmParameterGenerator;", // Calls OsConstants.initConstants. 1957 "Ljava/security/KeyPairGenerator$KeyPairGeneratorImpl;", // Calls OsConstants.initConstants. 1958 "Ljava/security/KeyPairGenerator;", // Calls OsConstants.initConstants. 1959 "Ljava/security/Security;", // Tries to do disk IO for "security.properties". 1960 "Ljava/security/spec/RSAKeyGenParameterSpec;", // java.math.NativeBN.BN_new() 1961 "Ljava/sql/Date;", // Calls OsConstants.initConstants. 1962 "Ljava/sql/DriverManager;", // Calls OsConstants.initConstants. 1963 "Ljava/sql/Time;", // Calls OsConstants.initConstants. 1964 "Ljava/sql/Timestamp;", // Calls OsConstants.initConstants. 1965 "Ljava/util/Date;", // Calls Date.<init> -> System.currentTimeMillis -> OsConstants.initConstants. 1966 "Ljava/util/ListResourceBundle;", // Calls OsConstants.initConstants. 1967 "Ljava/util/Locale;", // Calls System.getProperty -> OsConstants.initConstants. 1968 "Ljava/util/PropertyResourceBundle;", // Calls OsConstants.initConstants. 1969 "Ljava/util/ResourceBundle;", // Calls OsConstants.initConstants. 1970 "Ljava/util/ResourceBundle$MissingBundle;", // Calls OsConstants.initConstants. 1971 "Ljava/util/Scanner;", // regex.Pattern.compileImpl. 1972 "Ljava/util/SimpleTimeZone;", // Sub-class of TimeZone. 1973 "Ljava/util/TimeZone;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 1974 "Ljava/util/concurrent/ConcurrentHashMap$Segment;", // Calls Runtime.getRuntime().availableProcessors(). 1975 "Ljava/util/concurrent/ConcurrentSkipListMap;", // Calls OsConstants.initConstants. 1976 "Ljava/util/concurrent/Exchanger;", // Calls OsConstants.initConstants. 1977 "Ljava/util/concurrent/ForkJoinPool;", // Calls OsConstants.initConstants. 1978 "Ljava/util/concurrent/LinkedTransferQueue;", // Calls OsConstants.initConstants. 1979 "Ljava/util/concurrent/Phaser;", // Calls OsConstants.initConstants. 1980 "Ljava/util/concurrent/ScheduledThreadPoolExecutor;", // Calls AtomicLong.VMSupportsCS8() 1981 "Ljava/util/concurrent/SynchronousQueue;", // Calls OsConstants.initConstants. 1982 "Ljava/util/concurrent/atomic/AtomicLong;", // Calls AtomicLong.VMSupportsCS8() 1983 "Ljava/util/logging/LogManager;", // Calls System.getProperty -> OsConstants.initConstants. 1984 "Ljava/util/prefs/AbstractPreferences;", // Calls OsConstants.initConstants. 1985 "Ljava/util/prefs/FilePreferencesImpl;", // Calls OsConstants.initConstants. 1986 "Ljava/util/prefs/FilePreferencesFactoryImpl;", // Calls OsConstants.initConstants. 1987 "Ljava/util/prefs/Preferences;", // Calls OsConstants.initConstants. 1988 "Ljavax/crypto/KeyAgreement;", // Calls OsConstants.initConstants. 1989 "Ljavax/crypto/KeyGenerator;", // Calls OsConstants.initConstants. 1990 "Ljavax/security/cert/X509Certificate;", // Calls VMClassLoader.getBootClassPathSize. 1991 "Ljavax/security/cert/X509Certificate$1;", // Calls VMClassLoader.getBootClassPathSize. 1992 "Ljavax/microedition/khronos/egl/EGL10;", // Requires EGLContext. 1993 "Ljavax/microedition/khronos/egl/EGLContext;", // Requires com.google.android.gles_jni.EGLImpl. 1994 "Ljavax/net/ssl/HttpsURLConnection;", // Calls SSLSocketFactory.getDefault -> java.security.Security.getProperty. 1995 "Ljavax/xml/datatype/DatatypeConstants;", // Calls OsConstants.initConstants. 1996 "Ljavax/xml/datatype/FactoryFinder;", // Calls OsConstants.initConstants. 1997 "Ljavax/xml/namespace/QName;", // Calls OsConstants.initConstants. 1998 "Ljavax/xml/validation/SchemaFactoryFinder;", // Calls OsConstants.initConstants. 1999 "Ljavax/xml/xpath/XPathConstants;", // Calls OsConstants.initConstants. 2000 "Ljavax/xml/xpath/XPathFactoryFinder;", // Calls OsConstants.initConstants. 2001 "Llibcore/icu/LocaleData;", // Requires java.util.Locale. 2002 "Llibcore/icu/TimeZoneNames;", // Requires java.util.TimeZone. 2003 "Llibcore/io/IoUtils;", // Calls Random.<init> -> System.currentTimeMillis -> FileDescriptor -> OsConstants.initConstants. 2004 "Llibcore/io/OsConstants;", // Platform specific. 2005 "Llibcore/net/MimeUtils;", // Calls libcore.net.MimeUtils.getContentTypesPropertiesStream -> System.getProperty. 2006 "Llibcore/reflect/Types;", // Calls OsConstants.initConstants. 2007 "Llibcore/util/ZoneInfo;", // Sub-class of TimeZone. 2008 "Llibcore/util/ZoneInfoDB;", // Calls System.getenv -> OsConstants.initConstants. 2009 "Lorg/apache/commons/logging/LogFactory;", // Calls System.getProperty. 2010 "Lorg/apache/commons/logging/impl/LogFactoryImpl;", // Calls OsConstants.initConstants. 2011 "Lorg/apache/harmony/security/fortress/Services;", // Calls ClassLoader.getSystemClassLoader -> System.getProperty. 2012 "Lorg/apache/harmony/security/provider/cert/X509CertFactoryImpl;", // Requires java.nio.charsets.Charsets. 2013 "Lorg/apache/harmony/security/provider/crypto/RandomBitsSupplier;", // Requires java.io.File. 2014 "Lorg/apache/harmony/security/utils/AlgNameMapper;", // Requires java.util.Locale. 2015 "Lorg/apache/harmony/security/pkcs10/CertificationRequest;", // Calls Thread.currentThread. 2016 "Lorg/apache/harmony/security/pkcs10/CertificationRequestInfo;", // Calls Thread.currentThread. 2017 "Lorg/apache/harmony/security/pkcs7/AuthenticatedAttributes;", // Calls Thread.currentThread. 2018 "Lorg/apache/harmony/security/pkcs7/SignedData;", // Calls Thread.currentThread. 2019 "Lorg/apache/harmony/security/pkcs7/SignerInfo;", // Calls Thread.currentThread. 2020 "Lorg/apache/harmony/security/pkcs8/PrivateKeyInfo;", // Calls Thread.currentThread. 2021 "Lorg/apache/harmony/security/provider/crypto/SHA1PRNG_SecureRandomImpl;", // Calls OsConstants.initConstants. 2022 "Lorg/apache/harmony/security/x501/AttributeTypeAndValue;", // Calls IntegralToString.convertInt -> Thread.currentThread. 2023 "Lorg/apache/harmony/security/x501/DirectoryString;", // Requires BigInteger. 2024 "Lorg/apache/harmony/security/x501/Name;", // Requires org.apache.harmony.security.x501.AttributeTypeAndValue. 2025 "Lorg/apache/harmony/security/x509/AccessDescription;", // Calls Thread.currentThread. 2026 "Lorg/apache/harmony/security/x509/AuthorityKeyIdentifier;", // Calls Thread.currentThread. 2027 "Lorg/apache/harmony/security/x509/CRLDistributionPoints;", // Calls Thread.currentThread. 2028 "Lorg/apache/harmony/security/x509/Certificate;", // Requires org.apache.harmony.security.x509.TBSCertificate. 2029 "Lorg/apache/harmony/security/x509/CertificateIssuer;", // Calls Thread.currentThread. 2030 "Lorg/apache/harmony/security/x509/CertificateList;", // Calls Thread.currentThread. 2031 "Lorg/apache/harmony/security/x509/DistributionPoint;", // Calls Thread.currentThread. 2032 "Lorg/apache/harmony/security/x509/DistributionPointName;", // Calls Thread.currentThread. 2033 "Lorg/apache/harmony/security/x509/EDIPartyName;", // Calls native ... -> java.math.NativeBN.BN_new(). 2034 "Lorg/apache/harmony/security/x509/GeneralName;", // Requires org.apache.harmony.security.x501.Name. 2035 "Lorg/apache/harmony/security/x509/GeneralNames;", // Requires GeneralName. 2036 "Lorg/apache/harmony/security/x509/GeneralSubtree;", // Calls Thread.currentThread. 2037 "Lorg/apache/harmony/security/x509/GeneralSubtrees;", // Calls Thread.currentThread. 2038 "Lorg/apache/harmony/security/x509/InfoAccessSyntax;", // Calls Thread.currentThread. 2039 "Lorg/apache/harmony/security/x509/IssuingDistributionPoint;", // Calls Thread.currentThread. 2040 "Lorg/apache/harmony/security/x509/NameConstraints;", // Calls Thread.currentThread. 2041 "Lorg/apache/harmony/security/x509/TBSCertList$RevokedCertificate;", // Calls NativeBN.BN_new(). 2042 "Lorg/apache/harmony/security/x509/TBSCertList;", // Calls Thread.currentThread. 2043 "Lorg/apache/harmony/security/x509/TBSCertificate;", // Requires org.apache.harmony.security.x501.Name. 2044 "Lorg/apache/harmony/security/x509/Time;", // Calls native ... -> java.math.NativeBN.BN_new(). 2045 "Lorg/apache/harmony/security/x509/Validity;", // Requires x509.Time. 2046 "Lorg/apache/harmony/security/x509/tsp/TSTInfo;", // Calls Thread.currentThread. 2047 "Lorg/apache/harmony/xml/ExpatParser;", // Calls native ExpatParser.staticInitialize. 2048 "Lorg/apache/harmony/xml/ExpatParser$EntityParser;", // Calls ExpatParser.staticInitialize. 2049 "Lorg/apache/http/conn/params/ConnRouteParams;", // Requires java.util.Locale. 2050 "Lorg/apache/http/conn/ssl/SSLSocketFactory;", // Calls java.security.Security.getProperty. 2051 "Lorg/apache/http/conn/util/InetAddressUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. 2052}; 2053 2054static void InitializeClass(const ParallelCompilationManager* manager, size_t class_def_index) 2055 LOCKS_EXCLUDED(Locks::mutator_lock_) { 2056 const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index); 2057 ScopedObjectAccess soa(Thread::Current()); 2058 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()); 2059 const char* descriptor = manager->GetDexFile()->GetClassDescriptor(class_def); 2060 mirror::Class* klass = manager->GetClassLinker()->FindClass(descriptor, class_loader); 2061 bool compiling_boot = Runtime::Current()->GetHeap()->GetContinuousSpaces().size() == 1; 2062 bool can_init_static_fields = compiling_boot && 2063 manager->GetCompiler()->IsImageClass(descriptor); 2064 if (klass != NULL) { 2065 // We don't want class initialization occurring on multiple threads due to deadlock problems. 2066 // For example, a parent class is initialized (holding its lock) that refers to a sub-class 2067 // in its static/class initializer causing it to try to acquire the sub-class' lock. While 2068 // on a second thread the sub-class is initialized (holding its lock) after first initializing 2069 // its parents, whose locks are acquired. This leads to a parent-to-child and a child-to-parent 2070 // lock ordering and consequent potential deadlock. 2071 // We need to use an ObjectLock due to potential suspension in the interpreting code. Rather 2072 // than use a special Object for the purpose we use the Class of java.lang.Class. 2073 ObjectLock lock1(soa.Self(), klass->GetClass()); 2074 // The lock required to initialize the class. 2075 ObjectLock lock2(soa.Self(), klass); 2076 // Only try to initialize classes that were successfully verified. 2077 if (klass->IsVerified()) { 2078 manager->GetClassLinker()->EnsureInitialized(klass, false, can_init_static_fields); 2079 if (soa.Self()->IsExceptionPending()) { 2080 soa.Self()->GetException(NULL)->Dump(); 2081 } 2082 if (!klass->IsInitialized()) { 2083 if (can_init_static_fields) { 2084 bool is_black_listed = false; 2085 for (size_t i = 0; i < arraysize(class_initializer_black_list); ++i) { 2086 if (StringPiece(descriptor) == class_initializer_black_list[i]) { 2087 is_black_listed = true; 2088 break; 2089 } 2090 } 2091 if (!is_black_listed) { 2092 LOG(INFO) << "Initializing: " << descriptor; 2093 if (StringPiece(descriptor) == "Ljava/lang/Void;") { 2094 // Hand initialize j.l.Void to avoid Dex file operations in un-started runtime. 2095 mirror::ObjectArray<mirror::Field>* fields = klass->GetSFields(); 2096 CHECK_EQ(fields->GetLength(), 1); 2097 fields->Get(0)->SetObj(klass, manager->GetClassLinker()->FindPrimitiveClass('V')); 2098 klass->SetStatus(mirror::Class::kStatusInitialized); 2099 } else { 2100 manager->GetClassLinker()->EnsureInitialized(klass, true, can_init_static_fields); 2101 } 2102 soa.Self()->AssertNoPendingException(); 2103 } 2104 } 2105 } 2106 // If successfully initialized place in SSB array. 2107 if (klass->IsInitialized()) { 2108 klass->GetDexCache()->GetInitializedStaticStorage()->Set(klass->GetDexTypeIndex(), klass); 2109 } 2110 } 2111 // Record the final class status if necessary. 2112 mirror::Class::Status status = klass->GetStatus(); 2113 ClassReference ref(manager->GetDexFile(), class_def_index); 2114 CompiledClass* compiled_class = manager->GetCompiler()->GetCompiledClass(ref); 2115 if (compiled_class == NULL) { 2116 compiled_class = new CompiledClass(status); 2117 manager->GetCompiler()->RecordClassStatus(ref, compiled_class); 2118 } else { 2119 DCHECK_GE(status, compiled_class->GetStatus()) << descriptor; 2120 } 2121 } 2122 // Clear any class not found or verification exceptions. 2123 soa.Self()->ClearException(); 2124} 2125 2126void CompilerDriver::InitializeClasses(jobject jni_class_loader, const DexFile& dex_file, 2127 ThreadPool& thread_pool, TimingLogger& timings) { 2128#ifndef NDEBUG 2129 for (size_t i = 0; i < arraysize(class_initializer_black_list); ++i) { 2130 const char* descriptor = class_initializer_black_list[i]; 2131 CHECK(IsValidDescriptor(descriptor)) << descriptor; 2132 } 2133#endif 2134 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 2135 ParallelCompilationManager context(class_linker, jni_class_loader, this, &dex_file, thread_pool); 2136 context.ForAll(0, dex_file.NumClassDefs(), InitializeClass, thread_count_); 2137 timings.AddSplit("InitializeNoClinit " + dex_file.GetLocation()); 2138} 2139 2140void CompilerDriver::InitializeClasses(jobject class_loader, 2141 const std::vector<const DexFile*>& dex_files, 2142 ThreadPool& thread_pool, TimingLogger& timings) { 2143 for (size_t i = 0; i != dex_files.size(); ++i) { 2144 const DexFile* dex_file = dex_files[i]; 2145 CHECK(dex_file != NULL); 2146 InitializeClasses(class_loader, *dex_file, thread_pool, timings); 2147 } 2148} 2149 2150void CompilerDriver::Compile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 2151 ThreadPool& thread_pool, TimingLogger& timings) { 2152 for (size_t i = 0; i != dex_files.size(); ++i) { 2153 const DexFile* dex_file = dex_files[i]; 2154 CHECK(dex_file != NULL); 2155 CompileDexFile(class_loader, *dex_file, thread_pool, timings); 2156 } 2157} 2158 2159void CompilerDriver::CompileClass(const ParallelCompilationManager* manager, size_t class_def_index) { 2160 jobject jclass_loader = manager->GetClassLoader(); 2161 const DexFile& dex_file = *manager->GetDexFile(); 2162 const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 2163 { 2164 ScopedObjectAccess soa(Thread::Current()); 2165 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader); 2166 if (SkipClass(class_loader, dex_file, class_def)) { 2167 return; 2168 } 2169 } 2170 ClassReference ref(&dex_file, class_def_index); 2171 // Skip compiling classes with generic verifier failures since they will still fail at runtime 2172 if (verifier::MethodVerifier::IsClassRejected(ref)) { 2173 return; 2174 } 2175 const byte* class_data = dex_file.GetClassData(class_def); 2176 if (class_data == NULL) { 2177 // empty class, probably a marker interface 2178 return; 2179 } 2180 // Can we run DEX-to-DEX compiler on this class ? 2181 bool allow_dex_compilation; 2182 { 2183 ScopedObjectAccess soa(Thread::Current()); 2184 mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader); 2185 allow_dex_compilation = IsDexToDexCompilationAllowed(class_loader, dex_file, class_def); 2186 } 2187 ClassDataItemIterator it(dex_file, class_data); 2188 // Skip fields 2189 while (it.HasNextStaticField()) { 2190 it.Next(); 2191 } 2192 while (it.HasNextInstanceField()) { 2193 it.Next(); 2194 } 2195 // Compile direct methods 2196 int64_t previous_direct_method_idx = -1; 2197 while (it.HasNextDirectMethod()) { 2198 uint32_t method_idx = it.GetMemberIndex(); 2199 if (method_idx == previous_direct_method_idx) { 2200 // smali can create dex files with two encoded_methods sharing the same method_idx 2201 // http://code.google.com/p/smali/issues/detail?id=119 2202 it.Next(); 2203 continue; 2204 } 2205 previous_direct_method_idx = method_idx; 2206 manager->GetCompiler()->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), 2207 it.GetMethodInvokeType(class_def), class_def_index, 2208 method_idx, jclass_loader, dex_file, allow_dex_compilation); 2209 it.Next(); 2210 } 2211 // Compile virtual methods 2212 int64_t previous_virtual_method_idx = -1; 2213 while (it.HasNextVirtualMethod()) { 2214 uint32_t method_idx = it.GetMemberIndex(); 2215 if (method_idx == previous_virtual_method_idx) { 2216 // smali can create dex files with two encoded_methods sharing the same method_idx 2217 // http://code.google.com/p/smali/issues/detail?id=119 2218 it.Next(); 2219 continue; 2220 } 2221 previous_virtual_method_idx = method_idx; 2222 manager->GetCompiler()->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), 2223 it.GetMethodInvokeType(class_def), class_def_index, 2224 method_idx, jclass_loader, dex_file, allow_dex_compilation); 2225 it.Next(); 2226 } 2227 DCHECK(!it.HasNext()); 2228} 2229 2230void CompilerDriver::CompileDexFile(jobject class_loader, const DexFile& dex_file, 2231 ThreadPool& thread_pool, TimingLogger& timings) { 2232 ParallelCompilationManager context(NULL, class_loader, this, &dex_file, thread_pool); 2233 context.ForAll(0, dex_file.NumClassDefs(), CompilerDriver::CompileClass, thread_count_); 2234 timings.AddSplit("Compile " + dex_file.GetLocation()); 2235} 2236 2237void CompilerDriver::CompileMethod(const DexFile::CodeItem* code_item, uint32_t access_flags, 2238 InvokeType invoke_type, uint32_t class_def_idx, 2239 uint32_t method_idx, jobject class_loader, 2240 const DexFile& dex_file, 2241 bool allow_dex_to_dex_compilation) { 2242 CompiledMethod* compiled_method = NULL; 2243 uint64_t start_ns = NanoTime(); 2244 2245 if ((access_flags & kAccNative) != 0) { 2246 compiled_method = (*jni_compiler_)(*this, access_flags, method_idx, dex_file); 2247 CHECK(compiled_method != NULL); 2248 } else if ((access_flags & kAccAbstract) != 0) { 2249 } else { 2250 // In small mode we only compile image classes. 2251 bool dont_compile = (Runtime::Current()->IsSmallMode() && 2252 ((image_classes_.get() == NULL) || (image_classes_->size() == 0))); 2253 2254 // Don't compile class initializers, ever. 2255 if (((access_flags & kAccConstructor) != 0) && ((access_flags & kAccStatic) != 0)) { 2256 dont_compile = true; 2257 } else if (code_item->insns_size_in_code_units_ < Runtime::Current()->GetSmallModeMethodDexSizeLimit()) { 2258 // Do compile small methods. 2259 dont_compile = false; 2260 } 2261 if (!dont_compile) { 2262 CompilerFn compiler = compiler_; 2263#ifdef ART_SEA_IR_MODE 2264 bool use_sea = Runtime::Current()->IsSeaIRMode(); 2265 use_sea &&= (std::string::npos != PrettyMethod(method_idx, dex_file).find("fibonacci")); 2266 if (use_sea) { 2267 compiler = sea_ir_compiler_; 2268 } 2269#endif 2270 compiled_method = (*compiler)(*this, code_item, access_flags, invoke_type, class_def_idx, 2271 method_idx, class_loader, dex_file); 2272 CHECK(compiled_method != NULL) << PrettyMethod(method_idx, dex_file); 2273 } else if (allow_dex_to_dex_compilation) { 2274 // TODO: add a mode to disable DEX-to-DEX compilation ? 2275 compiled_method = (*dex_to_dex_compiler_)(*this, code_item, access_flags, 2276 invoke_type, class_def_idx, 2277 method_idx, class_loader, dex_file); 2278 // No native code is generated. 2279 CHECK(compiled_method == NULL) << PrettyMethod(method_idx, dex_file); 2280 } 2281 } 2282 uint64_t duration_ns = NanoTime() - start_ns; 2283#ifdef ART_USE_PORTABLE_COMPILER 2284 const uint64_t kWarnMilliSeconds = 1000; 2285#else 2286 const uint64_t kWarnMilliSeconds = 100; 2287#endif 2288 if (duration_ns > MsToNs(kWarnMilliSeconds)) { 2289 LOG(WARNING) << "Compilation of " << PrettyMethod(method_idx, dex_file) 2290 << " took " << PrettyDuration(duration_ns); 2291 } 2292 2293 Thread* self = Thread::Current(); 2294 if (compiled_method != NULL) { 2295 MethodReference ref(&dex_file, method_idx); 2296 CHECK(GetCompiledMethod(ref) == NULL) << PrettyMethod(method_idx, dex_file); 2297 { 2298 MutexLock mu(self, compiled_methods_lock_); 2299 compiled_methods_.Put(ref, compiled_method); 2300 } 2301 DCHECK(GetCompiledMethod(ref) != NULL) << PrettyMethod(method_idx, dex_file); 2302 } 2303 2304 if (self->IsExceptionPending()) { 2305 ScopedObjectAccess soa(self); 2306 LOG(FATAL) << "Unexpected exception compiling: " << PrettyMethod(method_idx, dex_file) << "\n" 2307 << self->GetException(NULL)->Dump(); 2308 } 2309} 2310 2311CompiledClass* CompilerDriver::GetCompiledClass(ClassReference ref) const { 2312 MutexLock mu(Thread::Current(), compiled_classes_lock_); 2313 ClassTable::const_iterator it = compiled_classes_.find(ref); 2314 if (it == compiled_classes_.end()) { 2315 return NULL; 2316 } 2317 CHECK(it->second != NULL); 2318 return it->second; 2319} 2320 2321CompiledMethod* CompilerDriver::GetCompiledMethod(MethodReference ref) const { 2322 MutexLock mu(Thread::Current(), compiled_methods_lock_); 2323 MethodTable::const_iterator it = compiled_methods_.find(ref); 2324 if (it == compiled_methods_.end()) { 2325 return NULL; 2326 } 2327 CHECK(it->second != NULL); 2328 return it->second; 2329} 2330 2331void CompilerDriver::SetBitcodeFileName(std::string const& filename) { 2332 typedef void (*SetBitcodeFileNameFn)(CompilerDriver&, std::string const&); 2333 2334 SetBitcodeFileNameFn set_bitcode_file_name = 2335 reinterpret_cast<SetBitcodeFileNameFn>(compilerLLVMSetBitcodeFileName); 2336 2337 set_bitcode_file_name(*this, filename); 2338} 2339 2340 2341void CompilerDriver::AddRequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 2342 size_t class_def_index) { 2343 MutexLock mu(self, freezing_constructor_lock_); 2344 freezing_constructor_classes_.insert(ClassReference(dex_file, class_def_index)); 2345} 2346 2347bool CompilerDriver::RequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 2348 size_t class_def_index) { 2349 MutexLock mu(self, freezing_constructor_lock_); 2350 return freezing_constructor_classes_.count(ClassReference(dex_file, class_def_index)) != 0; 2351} 2352 2353bool CompilerDriver::WriteElf(const std::string& android_root, 2354 bool is_host, 2355 const std::vector<const art::DexFile*>& dex_files, 2356 std::vector<uint8_t>& oat_contents, 2357 art::File* file) 2358 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2359#if defined(ART_USE_PORTABLE_COMPILER) 2360 return art::ElfWriterMclinker::Create(file, oat_contents, dex_files, android_root, is_host, *this); 2361#else 2362 return art::ElfWriterQuick::Create(file, oat_contents, dex_files, android_root, is_host, *this); 2363#endif 2364} 2365void CompilerDriver::InstructionSetToLLVMTarget(InstructionSet instruction_set, 2366 std::string& target_triple, 2367 std::string& target_cpu, 2368 std::string& target_attr) { 2369 switch (instruction_set) { 2370 case kThumb2: 2371 target_triple = "thumb-none-linux-gnueabi"; 2372 target_cpu = "cortex-a9"; 2373 target_attr = "+thumb2,+neon,+neonfp,+vfp3,+db"; 2374 break; 2375 2376 case kArm: 2377 target_triple = "armv7-none-linux-gnueabi"; 2378 // TODO: Fix for Nexus S. 2379 target_cpu = "cortex-a9"; 2380 // TODO: Fix for Xoom. 2381 target_attr = "+v7,+neon,+neonfp,+vfp3,+db"; 2382 break; 2383 2384 case kX86: 2385 target_triple = "i386-pc-linux-gnu"; 2386 target_attr = ""; 2387 break; 2388 2389 case kMips: 2390 target_triple = "mipsel-unknown-linux"; 2391 target_attr = "mips32r2"; 2392 break; 2393 2394 default: 2395 LOG(FATAL) << "Unknown instruction set: " << instruction_set; 2396 } 2397 } 2398} // namespace art 2399