| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "compiler_driver.h" |
| |
| #define ATRACE_TAG ATRACE_TAG_DALVIK |
| #include <utils/Trace.h> |
| |
| #include <vector> |
| #include <unistd.h> |
| |
| #include "base/stl_util.h" |
| #include "base/timing_logger.h" |
| #include "class_linker.h" |
| #include "dex_compilation_unit.h" |
| #include "dex_file-inl.h" |
| #include "jni_internal.h" |
| #include "object_utils.h" |
| #include "runtime.h" |
| #include "gc/accounting/card_table-inl.h" |
| #include "gc/accounting/heap_bitmap.h" |
| #include "gc/space/space.h" |
| #include "mirror/art_field-inl.h" |
| #include "mirror/art_method-inl.h" |
| #include "mirror/class_loader.h" |
| #include "mirror/class-inl.h" |
| #include "mirror/dex_cache-inl.h" |
| #include "mirror/object-inl.h" |
| #include "mirror/object_array-inl.h" |
| #include "mirror/throwable.h" |
| #include "scoped_thread_state_change.h" |
| #include "ScopedLocalRef.h" |
| #include "thread.h" |
| #include "thread_pool.h" |
| #include "trampolines/trampoline_compiler.h" |
| #include "verifier/method_verifier.h" |
| |
| #if defined(ART_USE_PORTABLE_COMPILER) |
| #include "elf_writer_mclinker.h" |
| #else |
| #include "elf_writer_quick.h" |
| #endif |
| |
| namespace art { |
| |
| static double Percentage(size_t x, size_t y) { |
| return 100.0 * (static_cast<double>(x)) / (static_cast<double>(x + y)); |
| } |
| |
| static void DumpStat(size_t x, size_t y, const char* str) { |
| if (x == 0 && y == 0) { |
| return; |
| } |
| LOG(INFO) << Percentage(x, y) << "% of " << str << " for " << (x + y) << " cases"; |
| } |
| |
| class AOTCompilationStats { |
| public: |
| AOTCompilationStats() |
| : stats_lock_("AOT compilation statistics lock"), |
| types_in_dex_cache_(0), types_not_in_dex_cache_(0), |
| strings_in_dex_cache_(0), strings_not_in_dex_cache_(0), |
| resolved_types_(0), unresolved_types_(0), |
| resolved_instance_fields_(0), unresolved_instance_fields_(0), |
| resolved_local_static_fields_(0), resolved_static_fields_(0), unresolved_static_fields_(0), |
| type_based_devirtualization_(0), |
| safe_casts_(0), not_safe_casts_(0) { |
| for (size_t i = 0; i <= kMaxInvokeType; i++) { |
| resolved_methods_[i] = 0; |
| unresolved_methods_[i] = 0; |
| virtual_made_direct_[i] = 0; |
| direct_calls_to_boot_[i] = 0; |
| direct_methods_to_boot_[i] = 0; |
| } |
| } |
| |
| void Dump() { |
| DumpStat(types_in_dex_cache_, types_not_in_dex_cache_, "types known to be in dex cache"); |
| DumpStat(strings_in_dex_cache_, strings_not_in_dex_cache_, "strings known to be in dex cache"); |
| DumpStat(resolved_types_, unresolved_types_, "types resolved"); |
| DumpStat(resolved_instance_fields_, unresolved_instance_fields_, "instance fields resolved"); |
| DumpStat(resolved_local_static_fields_ + resolved_static_fields_, unresolved_static_fields_, |
| "static fields resolved"); |
| DumpStat(resolved_local_static_fields_, resolved_static_fields_ + unresolved_static_fields_, |
| "static fields local to a class"); |
| DumpStat(safe_casts_, not_safe_casts_, "check-casts removed based on type information"); |
| // Note, the code below subtracts the stat value so that when added to the stat value we have |
| // 100% of samples. TODO: clean this up. |
| DumpStat(type_based_devirtualization_, |
| resolved_methods_[kVirtual] + unresolved_methods_[kVirtual] + |
| resolved_methods_[kInterface] + unresolved_methods_[kInterface] - |
| type_based_devirtualization_, |
| "virtual/interface calls made direct based on type information"); |
| |
| for (size_t i = 0; i <= kMaxInvokeType; i++) { |
| std::ostringstream oss; |
| oss << static_cast<InvokeType>(i) << " methods were AOT resolved"; |
| DumpStat(resolved_methods_[i], unresolved_methods_[i], oss.str().c_str()); |
| if (virtual_made_direct_[i] > 0) { |
| std::ostringstream oss2; |
| oss2 << static_cast<InvokeType>(i) << " methods made direct"; |
| DumpStat(virtual_made_direct_[i], |
| resolved_methods_[i] + unresolved_methods_[i] - virtual_made_direct_[i], |
| oss2.str().c_str()); |
| } |
| if (direct_calls_to_boot_[i] > 0) { |
| std::ostringstream oss2; |
| oss2 << static_cast<InvokeType>(i) << " method calls are direct into boot"; |
| DumpStat(direct_calls_to_boot_[i], |
| resolved_methods_[i] + unresolved_methods_[i] - direct_calls_to_boot_[i], |
| oss2.str().c_str()); |
| } |
| if (direct_methods_to_boot_[i] > 0) { |
| std::ostringstream oss2; |
| oss2 << static_cast<InvokeType>(i) << " method calls have methods in boot"; |
| DumpStat(direct_methods_to_boot_[i], |
| resolved_methods_[i] + unresolved_methods_[i] - direct_methods_to_boot_[i], |
| oss2.str().c_str()); |
| } |
| } |
| } |
| |
| // Allow lossy statistics in non-debug builds. |
| #ifndef NDEBUG |
| #define STATS_LOCK() MutexLock mu(Thread::Current(), stats_lock_) |
| #else |
| #define STATS_LOCK() |
| #endif |
| |
| void TypeInDexCache() { |
| STATS_LOCK(); |
| types_in_dex_cache_++; |
| } |
| |
| void TypeNotInDexCache() { |
| STATS_LOCK(); |
| types_not_in_dex_cache_++; |
| } |
| |
| void StringInDexCache() { |
| STATS_LOCK(); |
| strings_in_dex_cache_++; |
| } |
| |
| void StringNotInDexCache() { |
| STATS_LOCK(); |
| strings_not_in_dex_cache_++; |
| } |
| |
| void TypeDoesntNeedAccessCheck() { |
| STATS_LOCK(); |
| resolved_types_++; |
| } |
| |
| void TypeNeedsAccessCheck() { |
| STATS_LOCK(); |
| unresolved_types_++; |
| } |
| |
| void ResolvedInstanceField() { |
| STATS_LOCK(); |
| resolved_instance_fields_++; |
| } |
| |
| void UnresolvedInstanceField() { |
| STATS_LOCK(); |
| unresolved_instance_fields_++; |
| } |
| |
| void ResolvedLocalStaticField() { |
| STATS_LOCK(); |
| resolved_local_static_fields_++; |
| } |
| |
| void ResolvedStaticField() { |
| STATS_LOCK(); |
| resolved_static_fields_++; |
| } |
| |
| void UnresolvedStaticField() { |
| STATS_LOCK(); |
| unresolved_static_fields_++; |
| } |
| |
| // Indicate that type information from the verifier led to devirtualization. |
| void PreciseTypeDevirtualization() { |
| STATS_LOCK(); |
| type_based_devirtualization_++; |
| } |
| |
| // Indicate that a method of the given type was resolved at compile time. |
| void ResolvedMethod(InvokeType type) { |
| DCHECK_LE(type, kMaxInvokeType); |
| STATS_LOCK(); |
| resolved_methods_[type]++; |
| } |
| |
| // Indicate that a method of the given type was unresolved at compile time as it was in an |
| // unknown dex file. |
| void UnresolvedMethod(InvokeType type) { |
| DCHECK_LE(type, kMaxInvokeType); |
| STATS_LOCK(); |
| unresolved_methods_[type]++; |
| } |
| |
| // Indicate that a type of virtual method dispatch has been converted into a direct method |
| // dispatch. |
| void VirtualMadeDirect(InvokeType type) { |
| DCHECK(type == kVirtual || type == kInterface || type == kSuper); |
| STATS_LOCK(); |
| virtual_made_direct_[type]++; |
| } |
| |
| // Indicate that a method of the given type was able to call directly into boot. |
| void DirectCallsToBoot(InvokeType type) { |
| DCHECK_LE(type, kMaxInvokeType); |
| STATS_LOCK(); |
| direct_calls_to_boot_[type]++; |
| } |
| |
| // Indicate that a method of the given type was able to be resolved directly from boot. |
| void DirectMethodsToBoot(InvokeType type) { |
| DCHECK_LE(type, kMaxInvokeType); |
| STATS_LOCK(); |
| direct_methods_to_boot_[type]++; |
| } |
| |
| // A check-cast could be eliminated due to verifier type analysis. |
| void SafeCast() { |
| STATS_LOCK(); |
| safe_casts_++; |
| } |
| |
| // A check-cast couldn't be eliminated due to verifier type analysis. |
| void NotASafeCast() { |
| STATS_LOCK(); |
| not_safe_casts_++; |
| } |
| |
| private: |
| Mutex stats_lock_; |
| |
| size_t types_in_dex_cache_; |
| size_t types_not_in_dex_cache_; |
| |
| size_t strings_in_dex_cache_; |
| size_t strings_not_in_dex_cache_; |
| |
| size_t resolved_types_; |
| size_t unresolved_types_; |
| |
| size_t resolved_instance_fields_; |
| size_t unresolved_instance_fields_; |
| |
| size_t resolved_local_static_fields_; |
| size_t resolved_static_fields_; |
| size_t unresolved_static_fields_; |
| // Type based devirtualization for invoke interface and virtual. |
| size_t type_based_devirtualization_; |
| |
| size_t resolved_methods_[kMaxInvokeType + 1]; |
| size_t unresolved_methods_[kMaxInvokeType + 1]; |
| size_t virtual_made_direct_[kMaxInvokeType + 1]; |
| size_t direct_calls_to_boot_[kMaxInvokeType + 1]; |
| size_t direct_methods_to_boot_[kMaxInvokeType + 1]; |
| |
| size_t safe_casts_; |
| size_t not_safe_casts_; |
| |
| DISALLOW_COPY_AND_ASSIGN(AOTCompilationStats); |
| }; |
| |
| extern "C" void ArtInitCompilerContext(art::CompilerDriver& driver); |
| extern "C" void ArtInitQuickCompilerContext(art::CompilerDriver& compiler); |
| |
| extern "C" void ArtUnInitCompilerContext(art::CompilerDriver& driver); |
| extern "C" void ArtUnInitQuickCompilerContext(art::CompilerDriver& compiler); |
| |
| extern "C" art::CompiledMethod* ArtCompileMethod(art::CompilerDriver& driver, |
| const art::DexFile::CodeItem* code_item, |
| uint32_t access_flags, |
| art::InvokeType invoke_type, |
| uint16_t class_def_idx, |
| uint32_t method_idx, |
| jobject class_loader, |
| const art::DexFile& dex_file); |
| extern "C" art::CompiledMethod* ArtQuickCompileMethod(art::CompilerDriver& compiler, |
| const art::DexFile::CodeItem* code_item, |
| uint32_t access_flags, |
| art::InvokeType invoke_type, |
| uint16_t class_def_idx, |
| uint32_t method_idx, |
| jobject class_loader, |
| const art::DexFile& dex_file); |
| |
| extern "C" art::CompiledMethod* ArtCompileDEX(art::CompilerDriver& compiler, |
| const art::DexFile::CodeItem* code_item, |
| uint32_t access_flags, |
| art::InvokeType invoke_type, |
| uint16_t class_def_idx, |
| uint32_t method_idx, |
| jobject class_loader, |
| const art::DexFile& dex_file); |
| #ifdef ART_SEA_IR_MODE |
| extern "C" art::CompiledMethod* SeaIrCompileMethod(art::CompilerDriver& compiler, |
| const art::DexFile::CodeItem* code_item, |
| uint32_t access_flags, |
| art::InvokeType invoke_type, |
| uint16_t class_def_idx, |
| uint32_t method_idx, |
| jobject class_loader, |
| const art::DexFile& dex_file); |
| #endif |
| extern "C" art::CompiledMethod* ArtLLVMJniCompileMethod(art::CompilerDriver& driver, |
| uint32_t access_flags, uint32_t method_idx, |
| const art::DexFile& dex_file); |
| |
| extern "C" art::CompiledMethod* ArtQuickJniCompileMethod(art::CompilerDriver& compiler, |
| uint32_t access_flags, uint32_t method_idx, |
| const art::DexFile& dex_file); |
| |
| extern "C" void compilerLLVMSetBitcodeFileName(art::CompilerDriver& driver, |
| std::string const& filename); |
| |
| CompilerDriver::CompilerDriver(CompilerBackend compiler_backend, InstructionSet instruction_set, |
| bool image, DescriptorSet* image_classes, size_t thread_count, |
| bool dump_stats) |
| : compiler_backend_(compiler_backend), |
| instruction_set_(instruction_set), |
| freezing_constructor_lock_("freezing constructor lock"), |
| compiled_classes_lock_("compiled classes lock"), |
| compiled_methods_lock_("compiled method lock"), |
| image_(image), |
| image_classes_(image_classes), |
| thread_count_(thread_count), |
| start_ns_(0), |
| stats_(new AOTCompilationStats), |
| dump_stats_(dump_stats), |
| compiler_library_(NULL), |
| compiler_(NULL), |
| compiler_context_(NULL), |
| jni_compiler_(NULL), |
| compiler_enable_auto_elf_loading_(NULL), |
| compiler_get_method_code_addr_(NULL), |
| support_boot_image_fixup_(instruction_set == kThumb2), |
| dedupe_code_("dedupe code"), |
| dedupe_mapping_table_("dedupe mapping table"), |
| dedupe_vmap_table_("dedupe vmap table"), |
| dedupe_gc_map_("dedupe gc map") { |
| |
| CHECK_PTHREAD_CALL(pthread_key_create, (&tls_key_, NULL), "compiler tls key"); |
| |
| // TODO: more work needed to combine initializations and allow per-method backend selection |
| typedef void (*InitCompilerContextFn)(CompilerDriver&); |
| InitCompilerContextFn init_compiler_context; |
| if (compiler_backend_ == kPortable) { |
| // Initialize compiler_context_ |
| init_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtInitCompilerContext); |
| compiler_ = reinterpret_cast<CompilerFn>(ArtCompileMethod); |
| } else { |
| init_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtInitQuickCompilerContext); |
| compiler_ = reinterpret_cast<CompilerFn>(ArtQuickCompileMethod); |
| } |
| |
| dex_to_dex_compiler_ = reinterpret_cast<DexToDexCompilerFn>(ArtCompileDEX); |
| |
| #ifdef ART_SEA_IR_MODE |
| sea_ir_compiler_ = NULL; |
| if (Runtime::Current()->IsSeaIRMode()) { |
| sea_ir_compiler_ = reinterpret_cast<CompilerFn>(SeaIrCompileMethod); |
| } |
| #endif |
| |
| init_compiler_context(*this); |
| |
| if (compiler_backend_ == kPortable) { |
| jni_compiler_ = reinterpret_cast<JniCompilerFn>(ArtLLVMJniCompileMethod); |
| } else { |
| jni_compiler_ = reinterpret_cast<JniCompilerFn>(ArtQuickJniCompileMethod); |
| } |
| |
| CHECK(!Runtime::Current()->IsStarted()); |
| if (!image_) { |
| CHECK(image_classes_.get() == NULL); |
| } |
| } |
| |
| std::vector<uint8_t>* CompilerDriver::DeduplicateCode(const std::vector<uint8_t>& code) { |
| return dedupe_code_.Add(Thread::Current(), code); |
| } |
| |
| std::vector<uint8_t>* CompilerDriver::DeduplicateMappingTable(const std::vector<uint8_t>& code) { |
| return dedupe_mapping_table_.Add(Thread::Current(), code); |
| } |
| |
| std::vector<uint8_t>* CompilerDriver::DeduplicateVMapTable(const std::vector<uint8_t>& code) { |
| return dedupe_vmap_table_.Add(Thread::Current(), code); |
| } |
| |
| std::vector<uint8_t>* CompilerDriver::DeduplicateGCMap(const std::vector<uint8_t>& code) { |
| return dedupe_gc_map_.Add(Thread::Current(), code); |
| } |
| |
| CompilerDriver::~CompilerDriver() { |
| Thread* self = Thread::Current(); |
| { |
| MutexLock mu(self, compiled_classes_lock_); |
| STLDeleteValues(&compiled_classes_); |
| } |
| { |
| MutexLock mu(self, compiled_methods_lock_); |
| STLDeleteValues(&compiled_methods_); |
| } |
| { |
| MutexLock mu(self, compiled_methods_lock_); |
| STLDeleteElements(&code_to_patch_); |
| } |
| { |
| MutexLock mu(self, compiled_methods_lock_); |
| STLDeleteElements(&methods_to_patch_); |
| } |
| CHECK_PTHREAD_CALL(pthread_key_delete, (tls_key_), "delete tls key"); |
| typedef void (*UninitCompilerContextFn)(CompilerDriver&); |
| UninitCompilerContextFn uninit_compiler_context; |
| // Uninitialize compiler_context_ |
| // TODO: rework to combine initialization/uninitialization |
| if (compiler_backend_ == kPortable) { |
| uninit_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtUnInitCompilerContext); |
| } else { |
| uninit_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtUnInitQuickCompilerContext); |
| } |
| uninit_compiler_context(*this); |
| } |
| |
| CompilerTls* CompilerDriver::GetTls() { |
| // Lazily create thread-local storage |
| CompilerTls* res = static_cast<CompilerTls*>(pthread_getspecific(tls_key_)); |
| if (res == NULL) { |
| res = new CompilerTls(); |
| CHECK_PTHREAD_CALL(pthread_setspecific, (tls_key_, res), "compiler tls"); |
| } |
| return res; |
| } |
| |
| const std::vector<uint8_t>* CompilerDriver::CreateInterpreterToInterpreterBridge() const { |
| return CreateTrampoline(instruction_set_, kInterpreterAbi, |
| INTERPRETER_ENTRYPOINT_OFFSET(pInterpreterToInterpreterBridge)); |
| } |
| |
| const std::vector<uint8_t>* CompilerDriver::CreateInterpreterToCompiledCodeBridge() const { |
| return CreateTrampoline(instruction_set_, kInterpreterAbi, |
| INTERPRETER_ENTRYPOINT_OFFSET(pInterpreterToCompiledCodeBridge)); |
| } |
| |
| const std::vector<uint8_t>* CompilerDriver::CreateJniDlsymLookup() const { |
| return CreateTrampoline(instruction_set_, kJniAbi, JNI_ENTRYPOINT_OFFSET(pDlsymLookup)); |
| } |
| |
| const std::vector<uint8_t>* CompilerDriver::CreatePortableImtConflictTrampoline() const { |
| return CreateTrampoline(instruction_set_, kPortableAbi, |
| PORTABLE_ENTRYPOINT_OFFSET(pPortableImtConflictTrampoline)); |
| } |
| |
| const std::vector<uint8_t>* CompilerDriver::CreatePortableResolutionTrampoline() const { |
| return CreateTrampoline(instruction_set_, kPortableAbi, |
| PORTABLE_ENTRYPOINT_OFFSET(pPortableResolutionTrampoline)); |
| } |
| |
| const std::vector<uint8_t>* CompilerDriver::CreatePortableToInterpreterBridge() const { |
| return CreateTrampoline(instruction_set_, kPortableAbi, |
| PORTABLE_ENTRYPOINT_OFFSET(pPortableToInterpreterBridge)); |
| } |
| |
| const std::vector<uint8_t>* CompilerDriver::CreateQuickImtConflictTrampoline() const { |
| return CreateTrampoline(instruction_set_, kQuickAbi, |
| QUICK_ENTRYPOINT_OFFSET(pQuickImtConflictTrampoline)); |
| } |
| |
| const std::vector<uint8_t>* CompilerDriver::CreateQuickResolutionTrampoline() const { |
| return CreateTrampoline(instruction_set_, kQuickAbi, |
| QUICK_ENTRYPOINT_OFFSET(pQuickResolutionTrampoline)); |
| } |
| |
| const std::vector<uint8_t>* CompilerDriver::CreateQuickToInterpreterBridge() const { |
| return CreateTrampoline(instruction_set_, kQuickAbi, |
| QUICK_ENTRYPOINT_OFFSET(pQuickToInterpreterBridge)); |
| } |
| |
| void CompilerDriver::CompileAll(jobject class_loader, |
| const std::vector<const DexFile*>& dex_files, |
| base::TimingLogger& timings) { |
| DCHECK(!Runtime::Current()->IsStarted()); |
| UniquePtr<ThreadPool> thread_pool(new ThreadPool(thread_count_ - 1)); |
| PreCompile(class_loader, dex_files, *thread_pool.get(), timings); |
| Compile(class_loader, dex_files, *thread_pool.get(), timings); |
| if (dump_stats_) { |
| stats_->Dump(); |
| } |
| } |
| |
| static DexToDexCompilationLevel GetDexToDexCompilationlevel(mirror::ClassLoader* class_loader, |
| const DexFile& dex_file, |
| const DexFile::ClassDef& class_def) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| mirror::Class* klass = class_linker->FindClass(descriptor, class_loader); |
| if (klass == NULL) { |
| Thread* self = Thread::Current(); |
| CHECK(self->IsExceptionPending()); |
| self->ClearException(); |
| return kDontDexToDexCompile; |
| } |
| // The verifier can only run on "quick" instructions at runtime (see usage of |
| // FindAccessedFieldAtDexPc and FindInvokedMethodAtDexPc in ThrowNullPointerExceptionFromDexPC |
| // function). Since image classes can be verified again while compiling an application, |
| // we must prevent the DEX-to-DEX compiler from introducing them. |
| // TODO: find a way to enable "quick" instructions for image classes and remove this check. |
| bool compiling_image_classes = (class_loader == NULL); |
| if (compiling_image_classes) { |
| return kRequired; |
| } else if (klass->IsVerified()) { |
| // Class is verified so we can enable DEX-to-DEX compilation for performance. |
| return kOptimize; |
| } else if (klass->IsCompileTimeVerified()) { |
| // Class verification has soft-failed. Anyway, ensure at least correctness. |
| DCHECK_EQ(klass->GetStatus(), mirror::Class::kStatusRetryVerificationAtRuntime); |
| return kRequired; |
| } else { |
| // Class verification has failed: do not run DEX-to-DEX compilation. |
| return kDontDexToDexCompile; |
| } |
| } |
| |
| void CompilerDriver::CompileOne(const mirror::ArtMethod* method, base::TimingLogger& timings) { |
| DCHECK(!Runtime::Current()->IsStarted()); |
| Thread* self = Thread::Current(); |
| jobject jclass_loader; |
| const DexFile* dex_file; |
| uint16_t class_def_idx; |
| { |
| ScopedObjectAccessUnchecked soa(self); |
| ScopedLocalRef<jobject> |
| local_class_loader(soa.Env(), |
| soa.AddLocalReference<jobject>(method->GetDeclaringClass()->GetClassLoader())); |
| jclass_loader = soa.Env()->NewGlobalRef(local_class_loader.get()); |
| // Find the dex_file |
| MethodHelper mh(method); |
| dex_file = &mh.GetDexFile(); |
| class_def_idx = mh.GetClassDefIndex(); |
| } |
| self->TransitionFromRunnableToSuspended(kNative); |
| |
| std::vector<const DexFile*> dex_files; |
| dex_files.push_back(dex_file); |
| |
| UniquePtr<ThreadPool> thread_pool(new ThreadPool(0U)); |
| PreCompile(jclass_loader, dex_files, *thread_pool.get(), timings); |
| |
| uint32_t method_idx = method->GetDexMethodIndex(); |
| const DexFile::CodeItem* code_item = dex_file->GetCodeItem(method->GetCodeItemOffset()); |
| // Can we run DEX-to-DEX compiler on this class ? |
| DexToDexCompilationLevel dex_to_dex_compilation_level = kDontDexToDexCompile; |
| { |
| ScopedObjectAccess soa(Thread::Current()); |
| const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_idx); |
| mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader); |
| dex_to_dex_compilation_level = GetDexToDexCompilationlevel(class_loader, *dex_file, class_def); |
| } |
| CompileMethod(code_item, method->GetAccessFlags(), method->GetInvokeType(), |
| class_def_idx, method_idx, jclass_loader, *dex_file, dex_to_dex_compilation_level); |
| |
| self->GetJniEnv()->DeleteGlobalRef(jclass_loader); |
| |
| self->TransitionFromSuspendedToRunnable(); |
| } |
| |
| void CompilerDriver::Resolve(jobject class_loader, const std::vector<const DexFile*>& dex_files, |
| ThreadPool& thread_pool, base::TimingLogger& timings) { |
| for (size_t i = 0; i != dex_files.size(); ++i) { |
| const DexFile* dex_file = dex_files[i]; |
| CHECK(dex_file != NULL); |
| ResolveDexFile(class_loader, *dex_file, thread_pool, timings); |
| } |
| } |
| |
| void CompilerDriver::PreCompile(jobject class_loader, const std::vector<const DexFile*>& dex_files, |
| ThreadPool& thread_pool, base::TimingLogger& timings) { |
| LoadImageClasses(timings); |
| |
| Resolve(class_loader, dex_files, thread_pool, timings); |
| |
| Verify(class_loader, dex_files, thread_pool, timings); |
| |
| InitializeClasses(class_loader, dex_files, thread_pool, timings); |
| |
| UpdateImageClasses(timings); |
| } |
| |
| bool CompilerDriver::IsImageClass(const char* descriptor) const { |
| if (!IsImage()) { |
| return true; |
| } else { |
| return image_classes_->find(descriptor) != image_classes_->end(); |
| } |
| } |
| |
| static void ResolveExceptionsForMethod(MethodHelper* mh, |
| std::set<std::pair<uint16_t, const DexFile*> >& exceptions_to_resolve) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| const DexFile::CodeItem* code_item = mh->GetCodeItem(); |
| if (code_item == NULL) { |
| return; // native or abstract method |
| } |
| if (code_item->tries_size_ == 0) { |
| return; // nothing to process |
| } |
| const byte* encoded_catch_handler_list = DexFile::GetCatchHandlerData(*code_item, 0); |
| size_t num_encoded_catch_handlers = DecodeUnsignedLeb128(&encoded_catch_handler_list); |
| for (size_t i = 0; i < num_encoded_catch_handlers; i++) { |
| int32_t encoded_catch_handler_size = DecodeSignedLeb128(&encoded_catch_handler_list); |
| bool has_catch_all = false; |
| if (encoded_catch_handler_size <= 0) { |
| encoded_catch_handler_size = -encoded_catch_handler_size; |
| has_catch_all = true; |
| } |
| for (int32_t j = 0; j < encoded_catch_handler_size; j++) { |
| uint16_t encoded_catch_handler_handlers_type_idx = |
| DecodeUnsignedLeb128(&encoded_catch_handler_list); |
| // Add to set of types to resolve if not already in the dex cache resolved types |
| if (!mh->IsResolvedTypeIdx(encoded_catch_handler_handlers_type_idx)) { |
| exceptions_to_resolve.insert( |
| std::pair<uint16_t, const DexFile*>(encoded_catch_handler_handlers_type_idx, |
| &mh->GetDexFile())); |
| } |
| // ignore address associated with catch handler |
| DecodeUnsignedLeb128(&encoded_catch_handler_list); |
| } |
| if (has_catch_all) { |
| // ignore catch all address |
| DecodeUnsignedLeb128(&encoded_catch_handler_list); |
| } |
| } |
| } |
| |
| static bool ResolveCatchBlockExceptionsClassVisitor(mirror::Class* c, void* arg) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| std::set<std::pair<uint16_t, const DexFile*> >* exceptions_to_resolve = |
| reinterpret_cast<std::set<std::pair<uint16_t, const DexFile*> >*>(arg); |
| MethodHelper mh; |
| for (size_t i = 0; i < c->NumVirtualMethods(); ++i) { |
| mirror::ArtMethod* m = c->GetVirtualMethod(i); |
| mh.ChangeMethod(m); |
| ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); |
| } |
| for (size_t i = 0; i < c->NumDirectMethods(); ++i) { |
| mirror::ArtMethod* m = c->GetDirectMethod(i); |
| mh.ChangeMethod(m); |
| ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); |
| } |
| return true; |
| } |
| |
| static bool RecordImageClassesVisitor(mirror::Class* klass, void* arg) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| CompilerDriver::DescriptorSet* image_classes = |
| reinterpret_cast<CompilerDriver::DescriptorSet*>(arg); |
| image_classes->insert(ClassHelper(klass).GetDescriptor()); |
| return true; |
| } |
| |
| // Make a list of descriptors for classes to include in the image |
| void CompilerDriver::LoadImageClasses(base::TimingLogger& timings) |
| LOCKS_EXCLUDED(Locks::mutator_lock_) { |
| if (!IsImage()) { |
| return; |
| } |
| |
| timings.NewSplit("LoadImageClasses"); |
| // Make a first class to load all classes explicitly listed in the file |
| Thread* self = Thread::Current(); |
| ScopedObjectAccess soa(self); |
| ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| for (auto it = image_classes_->begin(), end = image_classes_->end(); it != end;) { |
| std::string descriptor(*it); |
| SirtRef<mirror::Class> klass(self, class_linker->FindSystemClass(descriptor.c_str())); |
| if (klass.get() == NULL) { |
| image_classes_->erase(it++); |
| VLOG(compiler) << "Failed to find class " << descriptor; |
| self->ClearException(); |
| } else { |
| ++it; |
| } |
| } |
| |
| // Resolve exception classes referenced by the loaded classes. The catch logic assumes |
| // exceptions are resolved by the verifier when there is a catch block in an interested method. |
| // Do this here so that exception classes appear to have been specified image classes. |
| std::set<std::pair<uint16_t, const DexFile*> > unresolved_exception_types; |
| SirtRef<mirror::Class> java_lang_Throwable(self, |
| class_linker->FindSystemClass("Ljava/lang/Throwable;")); |
| do { |
| unresolved_exception_types.clear(); |
| class_linker->VisitClasses(ResolveCatchBlockExceptionsClassVisitor, |
| &unresolved_exception_types); |
| for (const std::pair<uint16_t, const DexFile*>& exception_type : unresolved_exception_types) { |
| uint16_t exception_type_idx = exception_type.first; |
| const DexFile* dex_file = exception_type.second; |
| mirror::DexCache* dex_cache = class_linker->FindDexCache(*dex_file); |
| mirror:: ClassLoader* class_loader = NULL; |
| SirtRef<mirror::Class> klass(self, class_linker->ResolveType(*dex_file, exception_type_idx, |
| dex_cache, class_loader)); |
| if (klass.get() == NULL) { |
| const DexFile::TypeId& type_id = dex_file->GetTypeId(exception_type_idx); |
| const char* descriptor = dex_file->GetTypeDescriptor(type_id); |
| LOG(FATAL) << "Failed to resolve class " << descriptor; |
| } |
| DCHECK(java_lang_Throwable->IsAssignableFrom(klass.get())); |
| } |
| // Resolving exceptions may load classes that reference more exceptions, iterate until no |
| // more are found |
| } while (!unresolved_exception_types.empty()); |
| |
| // We walk the roots looking for classes so that we'll pick up the |
| // above classes plus any classes them depend on such super |
| // classes, interfaces, and the required ClassLinker roots. |
| class_linker->VisitClasses(RecordImageClassesVisitor, image_classes_.get()); |
| |
| CHECK_NE(image_classes_->size(), 0U); |
| } |
| |
| static void MaybeAddToImageClasses(mirror::Class* klass, CompilerDriver::DescriptorSet* image_classes) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| while (!klass->IsObjectClass()) { |
| ClassHelper kh(klass); |
| const char* descriptor = kh.GetDescriptor(); |
| std::pair<CompilerDriver::DescriptorSet::iterator, bool> result = |
| image_classes->insert(descriptor); |
| if (result.second) { |
| VLOG(compiler) << "Adding " << descriptor << " to image classes"; |
| } else { |
| return; |
| } |
| for (size_t i = 0; i < kh.NumDirectInterfaces(); ++i) { |
| MaybeAddToImageClasses(kh.GetDirectInterface(i), image_classes); |
| } |
| if (klass->IsArrayClass()) { |
| MaybeAddToImageClasses(klass->GetComponentType(), image_classes); |
| } |
| klass = klass->GetSuperClass(); |
| } |
| } |
| |
| void CompilerDriver::FindClinitImageClassesCallback(mirror::Object* object, void* arg) { |
| DCHECK(object != NULL); |
| DCHECK(arg != NULL); |
| CompilerDriver* compiler_driver = reinterpret_cast<CompilerDriver*>(arg); |
| MaybeAddToImageClasses(object->GetClass(), compiler_driver->image_classes_.get()); |
| } |
| |
| void CompilerDriver::UpdateImageClasses(base::TimingLogger& timings) { |
| if (IsImage()) { |
| timings.NewSplit("UpdateImageClasses"); |
| |
| // Update image_classes_ with classes for objects created by <clinit> methods. |
| Thread* self = Thread::Current(); |
| const char* old_cause = self->StartAssertNoThreadSuspension("ImageWriter"); |
| gc::Heap* heap = Runtime::Current()->GetHeap(); |
| // TODO: Image spaces only? |
| WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); |
| heap->FlushAllocStack(); |
| heap->GetLiveBitmap()->Walk(FindClinitImageClassesCallback, this); |
| self->EndAssertNoThreadSuspension(old_cause); |
| } |
| } |
| |
| bool CompilerDriver::CanAssumeTypeIsPresentInDexCache(const DexFile& dex_file, |
| uint32_t type_idx) { |
| if (IsImage() && |
| IsImageClass(dex_file.StringDataByIdx(dex_file.GetTypeId(type_idx).descriptor_idx_))) { |
| if (kIsDebugBuild) { |
| ScopedObjectAccess soa(Thread::Current()); |
| mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); |
| mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); |
| CHECK(resolved_class != NULL); |
| } |
| stats_->TypeInDexCache(); |
| return true; |
| } else { |
| stats_->TypeNotInDexCache(); |
| return false; |
| } |
| } |
| |
| bool CompilerDriver::CanAssumeStringIsPresentInDexCache(const DexFile& dex_file, |
| uint32_t string_idx) { |
| // See also Compiler::ResolveDexFile |
| |
| bool result = false; |
| if (IsImage()) { |
| // We resolve all const-string strings when building for the image. |
| ScopedObjectAccess soa(Thread::Current()); |
| mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); |
| Runtime::Current()->GetClassLinker()->ResolveString(dex_file, string_idx, dex_cache); |
| result = true; |
| } |
| if (result) { |
| stats_->StringInDexCache(); |
| } else { |
| stats_->StringNotInDexCache(); |
| } |
| return result; |
| } |
| |
| bool CompilerDriver::CanAccessTypeWithoutChecks(uint32_t referrer_idx, const DexFile& dex_file, |
| uint32_t type_idx, |
| bool* type_known_final, bool* type_known_abstract, |
| bool* equals_referrers_class) { |
| if (type_known_final != NULL) { |
| *type_known_final = false; |
| } |
| if (type_known_abstract != NULL) { |
| *type_known_abstract = false; |
| } |
| if (equals_referrers_class != NULL) { |
| *equals_referrers_class = false; |
| } |
| ScopedObjectAccess soa(Thread::Current()); |
| mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); |
| // Get type from dex cache assuming it was populated by the verifier |
| mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); |
| if (resolved_class == NULL) { |
| stats_->TypeNeedsAccessCheck(); |
| return false; // Unknown class needs access checks. |
| } |
| const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); |
| if (equals_referrers_class != NULL) { |
| *equals_referrers_class = (method_id.class_idx_ == type_idx); |
| } |
| mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); |
| if (referrer_class == NULL) { |
| stats_->TypeNeedsAccessCheck(); |
| return false; // Incomplete referrer knowledge needs access check. |
| } |
| // Perform access check, will return true if access is ok or false if we're going to have to |
| // check this at runtime (for example for class loaders). |
| bool result = referrer_class->CanAccess(resolved_class); |
| if (result) { |
| stats_->TypeDoesntNeedAccessCheck(); |
| if (type_known_final != NULL) { |
| *type_known_final = resolved_class->IsFinal() && !resolved_class->IsArrayClass(); |
| } |
| if (type_known_abstract != NULL) { |
| *type_known_abstract = resolved_class->IsAbstract() && !resolved_class->IsArrayClass(); |
| } |
| } else { |
| stats_->TypeNeedsAccessCheck(); |
| } |
| return result; |
| } |
| |
| bool CompilerDriver::CanAccessInstantiableTypeWithoutChecks(uint32_t referrer_idx, |
| const DexFile& dex_file, |
| uint32_t type_idx) { |
| ScopedObjectAccess soa(Thread::Current()); |
| mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); |
| // Get type from dex cache assuming it was populated by the verifier. |
| mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); |
| if (resolved_class == NULL) { |
| stats_->TypeNeedsAccessCheck(); |
| return false; // Unknown class needs access checks. |
| } |
| const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); |
| mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); |
| if (referrer_class == NULL) { |
| stats_->TypeNeedsAccessCheck(); |
| return false; // Incomplete referrer knowledge needs access check. |
| } |
| // Perform access and instantiable checks, will return true if access is ok or false if we're |
| // going to have to check this at runtime (for example for class loaders). |
| bool result = referrer_class->CanAccess(resolved_class) && resolved_class->IsInstantiable(); |
| if (result) { |
| stats_->TypeDoesntNeedAccessCheck(); |
| } else { |
| stats_->TypeNeedsAccessCheck(); |
| } |
| return result; |
| } |
| |
| static mirror::Class* ComputeCompilingMethodsClass(ScopedObjectAccess& soa, |
| mirror::DexCache* dex_cache, |
| const DexCompilationUnit* mUnit) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| // The passed dex_cache is a hint, sanity check before asking the class linker that will take a |
| // lock. |
| if (dex_cache->GetDexFile() != mUnit->GetDexFile()) { |
| dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); |
| } |
| mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); |
| const DexFile::MethodId& referrer_method_id = mUnit->GetDexFile()->GetMethodId(mUnit->GetDexMethodIndex()); |
| return mUnit->GetClassLinker()->ResolveType(*mUnit->GetDexFile(), referrer_method_id.class_idx_, |
| dex_cache, class_loader); |
| } |
| |
| static mirror::ArtField* ComputeFieldReferencedFromCompilingMethod(ScopedObjectAccess& soa, |
| const DexCompilationUnit* mUnit, |
| uint32_t field_idx) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); |
| mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); |
| return mUnit->GetClassLinker()->ResolveField(*mUnit->GetDexFile(), field_idx, dex_cache, |
| class_loader, false); |
| } |
| |
| static mirror::ArtMethod* ComputeMethodReferencedFromCompilingMethod(ScopedObjectAccess& soa, |
| const DexCompilationUnit* mUnit, |
| uint32_t method_idx, |
| InvokeType type) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); |
| mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); |
| return mUnit->GetClassLinker()->ResolveMethod(*mUnit->GetDexFile(), method_idx, dex_cache, |
| class_loader, NULL, type); |
| } |
| |
| bool CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, |
| bool is_put, int* field_offset, bool* is_volatile) { |
| ScopedObjectAccess soa(Thread::Current()); |
| // Conservative defaults. |
| *field_offset = -1; |
| *is_volatile = true; |
| // Try to resolve field and ignore if an Incompatible Class Change Error (ie is static). |
| mirror::ArtField* resolved_field = ComputeFieldReferencedFromCompilingMethod(soa, mUnit, field_idx); |
| if (resolved_field != NULL && !resolved_field->IsStatic()) { |
| mirror::Class* referrer_class = |
| ComputeCompilingMethodsClass(soa, resolved_field->GetDeclaringClass()->GetDexCache(), |
| mUnit); |
| if (referrer_class != NULL) { |
| mirror::Class* fields_class = resolved_field->GetDeclaringClass(); |
| bool access_ok = referrer_class->CanAccess(fields_class) && |
| referrer_class->CanAccessMember(fields_class, |
| resolved_field->GetAccessFlags()); |
| if (!access_ok) { |
| // The referring class can't access the resolved field, this may occur as a result of a |
| // protected field being made public by a sub-class. Resort to the dex file to determine |
| // the correct class for the access check. |
| const DexFile& dex_file = *referrer_class->GetDexCache()->GetDexFile(); |
| mirror::Class* dex_fields_class = mUnit->GetClassLinker()->ResolveType(dex_file, |
| dex_file.GetFieldId(field_idx).class_idx_, |
| referrer_class); |
| access_ok = referrer_class->CanAccess(dex_fields_class) && |
| referrer_class->CanAccessMember(dex_fields_class, |
| resolved_field->GetAccessFlags()); |
| } |
| bool is_write_to_final_from_wrong_class = is_put && resolved_field->IsFinal() && |
| fields_class != referrer_class; |
| if (access_ok && !is_write_to_final_from_wrong_class) { |
| *field_offset = resolved_field->GetOffset().Int32Value(); |
| *is_volatile = resolved_field->IsVolatile(); |
| stats_->ResolvedInstanceField(); |
| return true; // Fast path. |
| } |
| } |
| } |
| // Clean up any exception left by field/type resolution |
| if (soa.Self()->IsExceptionPending()) { |
| soa.Self()->ClearException(); |
| } |
| stats_->UnresolvedInstanceField(); |
| return false; // Incomplete knowledge needs slow path. |
| } |
| |
| bool CompilerDriver::ComputeStaticFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, |
| bool is_put, int* field_offset, int* ssb_index, |
| bool* is_referrers_class, bool* is_volatile) { |
| ScopedObjectAccess soa(Thread::Current()); |
| // Conservative defaults. |
| *field_offset = -1; |
| *ssb_index = -1; |
| *is_referrers_class = false; |
| *is_volatile = true; |
| // Try to resolve field and ignore if an Incompatible Class Change Error (ie isn't static). |
| mirror::ArtField* resolved_field = ComputeFieldReferencedFromCompilingMethod(soa, mUnit, field_idx); |
| if (resolved_field != NULL && resolved_field->IsStatic()) { |
| mirror::Class* referrer_class = |
| ComputeCompilingMethodsClass(soa, resolved_field->GetDeclaringClass()->GetDexCache(), |
| mUnit); |
| if (referrer_class != NULL) { |
| mirror::Class* fields_class = resolved_field->GetDeclaringClass(); |
| if (fields_class == referrer_class) { |
| *is_referrers_class = true; // implies no worrying about class initialization |
| *field_offset = resolved_field->GetOffset().Int32Value(); |
| *is_volatile = resolved_field->IsVolatile(); |
| stats_->ResolvedLocalStaticField(); |
| return true; // fast path |
| } else { |
| bool access_ok = referrer_class->CanAccess(fields_class) && |
| referrer_class->CanAccessMember(fields_class, |
| resolved_field->GetAccessFlags()); |
| if (!access_ok) { |
| // The referring class can't access the resolved field, this may occur as a result of a |
| // protected field being made public by a sub-class. Resort to the dex file to determine |
| // the correct class for the access check. Don't change the field's class as that is |
| // used to identify the SSB. |
| const DexFile& dex_file = *referrer_class->GetDexCache()->GetDexFile(); |
| mirror::Class* dex_fields_class = |
| mUnit->GetClassLinker()->ResolveType(dex_file, |
| dex_file.GetFieldId(field_idx).class_idx_, |
| referrer_class); |
| access_ok = referrer_class->CanAccess(dex_fields_class) && |
| referrer_class->CanAccessMember(dex_fields_class, |
| resolved_field->GetAccessFlags()); |
| } |
| bool is_write_to_final_from_wrong_class = is_put && resolved_field->IsFinal(); |
| if (access_ok && !is_write_to_final_from_wrong_class) { |
| // We have the resolved field, we must make it into a ssbIndex for the referrer |
| // in its static storage base (which may fail if it doesn't have a slot for it) |
| // TODO: for images we can elide the static storage base null check |
| // if we know there's a non-null entry in the image |
| mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()); |
| if (fields_class->GetDexCache() == dex_cache) { |
| // common case where the dex cache of both the referrer and the field are the same, |
| // no need to search the dex file |
| *ssb_index = fields_class->GetDexTypeIndex(); |
| *field_offset = resolved_field->GetOffset().Int32Value(); |
| *is_volatile = resolved_field->IsVolatile(); |
| stats_->ResolvedStaticField(); |
| return true; |
| } |
| // Search dex file for localized ssb index, may fail if field's class is a parent |
| // of the class mentioned in the dex file and there is no dex cache entry. |
| const DexFile::StringId* string_id = |
| mUnit->GetDexFile()->FindStringId(FieldHelper(resolved_field).GetDeclaringClassDescriptor()); |
| if (string_id != NULL) { |
| const DexFile::TypeId* type_id = |
| mUnit->GetDexFile()->FindTypeId(mUnit->GetDexFile()->GetIndexForStringId(*string_id)); |
| if (type_id != NULL) { |
| // medium path, needs check of static storage base being initialized |
| *ssb_index = mUnit->GetDexFile()->GetIndexForTypeId(*type_id); |
| *field_offset = resolved_field->GetOffset().Int32Value(); |
| *is_volatile = resolved_field->IsVolatile(); |
| stats_->ResolvedStaticField(); |
| return true; |
| } |
| } |
| } |
| } |
| } |
| } |
| // Clean up any exception left by field/type resolution |
| if (soa.Self()->IsExceptionPending()) { |
| soa.Self()->ClearException(); |
| } |
| stats_->UnresolvedStaticField(); |
| return false; // Incomplete knowledge needs slow path. |
| } |
| |
| void CompilerDriver::GetCodeAndMethodForDirectCall(InvokeType* type, InvokeType sharp_type, |
| bool no_guarantee_of_dex_cache_entry, |
| mirror::Class* referrer_class, |
| mirror::ArtMethod* method, |
| bool update_stats, |
| MethodReference* target_method, |
| uintptr_t* direct_code, |
| uintptr_t* direct_method) { |
| // For direct and static methods compute possible direct_code and direct_method values, ie |
| // an address for the Method* being invoked and an address of the code for that Method*. |
| // For interface calls compute a value for direct_method that is the interface method being |
| // invoked, so this can be passed to the out-of-line runtime support code. |
| *direct_code = 0; |
| *direct_method = 0; |
| bool use_dex_cache = false; |
| bool compiling_boot = Runtime::Current()->GetHeap()->GetContinuousSpaces().size() == 1; |
| if (compiler_backend_ == kPortable) { |
| if (sharp_type != kStatic && sharp_type != kDirect) { |
| return; |
| } |
| use_dex_cache = true; |
| } else { |
| if (sharp_type != kStatic && sharp_type != kDirect) { |
| return; |
| } |
| // TODO: support patching on all architectures. |
| use_dex_cache = compiling_boot && !support_boot_image_fixup_; |
| } |
| bool method_code_in_boot = (method->GetDeclaringClass()->GetClassLoader() == nullptr); |
| if (!use_dex_cache) { |
| if (!method_code_in_boot) { |
| use_dex_cache = true; |
| } else { |
| bool has_clinit_trampoline = |
| method->IsStatic() && !method->GetDeclaringClass()->IsInitialized(); |
| if (has_clinit_trampoline && (method->GetDeclaringClass() != referrer_class)) { |
| // Ensure we run the clinit trampoline unless we are invoking a static method in the same |
| // class. |
| use_dex_cache = true; |
| } |
| } |
| } |
| if (update_stats && method_code_in_boot) { |
| stats_->DirectCallsToBoot(*type); |
| stats_->DirectMethodsToBoot(*type); |
| } |
| if (!use_dex_cache && compiling_boot) { |
| MethodHelper mh(method); |
| if (!IsImageClass(mh.GetDeclaringClassDescriptor())) { |
| // We can only branch directly to Methods that are resolved in the DexCache. |
| // Otherwise we won't invoke the resolution trampoline. |
| use_dex_cache = true; |
| } |
| } |
| // The method is defined not within this dex file. We need a dex cache slot within the current |
| // dex file or direct pointers. |
| bool must_use_direct_pointers = false; |
| if (target_method->dex_file == method->GetDeclaringClass()->GetDexCache()->GetDexFile()) { |
| target_method->dex_method_index = method->GetDexMethodIndex(); |
| } else { |
| // TODO: support patching from one dex file to another in the boot image. |
| use_dex_cache = use_dex_cache || compiling_boot; |
| if (no_guarantee_of_dex_cache_entry) { |
| // See if the method is also declared in this dex cache. |
| uint32_t dex_method_idx = MethodHelper(method).FindDexMethodIndexInOtherDexFile( |
| *referrer_class->GetDexCache()->GetDexFile()); |
| if (dex_method_idx != DexFile::kDexNoIndex) { |
| target_method->dex_method_index = dex_method_idx; |
| } else { |
| must_use_direct_pointers = true; |
| } |
| } |
| } |
| if (use_dex_cache) { |
| if (must_use_direct_pointers) { |
| // Fail. Test above showed the only safe dispatch was via the dex cache, however, the direct |
| // pointers are required as the dex cache lacks an appropriate entry. |
| VLOG(compiler) << "Dex cache devirtualization failed for: " << PrettyMethod(method); |
| } else { |
| *type = sharp_type; |
| } |
| } else { |
| if (compiling_boot) { |
| *type = sharp_type; |
| *direct_method = -1; |
| *direct_code = -1; |
| } else { |
| bool method_in_image = |
| Runtime::Current()->GetHeap()->FindSpaceFromObject(method, false)->IsImageSpace(); |
| if (method_in_image) { |
| CHECK(!method->IsAbstract()); |
| *type = sharp_type; |
| *direct_method = reinterpret_cast<uintptr_t>(method); |
| *direct_code = reinterpret_cast<uintptr_t>(method->GetEntryPointFromCompiledCode()); |
| target_method->dex_file = method->GetDeclaringClass()->GetDexCache()->GetDexFile(); |
| target_method->dex_method_index = method->GetDexMethodIndex(); |
| } else if (!must_use_direct_pointers) { |
| // Set the code and rely on the dex cache for the method. |
| *type = sharp_type; |
| *direct_code = reinterpret_cast<uintptr_t>(method->GetEntryPointFromCompiledCode()); |
| } else { |
| // Direct pointers were required but none were available. |
| VLOG(compiler) << "Dex cache devirtualization failed for: " << PrettyMethod(method); |
| } |
| } |
| } |
| } |
| |
| bool CompilerDriver::ComputeInvokeInfo(const DexCompilationUnit* mUnit, const uint32_t dex_pc, |
| bool update_stats, bool enable_devirtualization, |
| InvokeType* invoke_type, MethodReference* target_method, |
| int* vtable_idx, uintptr_t* direct_code, |
| uintptr_t* direct_method) { |
| ScopedObjectAccess soa(Thread::Current()); |
| *vtable_idx = -1; |
| *direct_code = 0; |
| *direct_method = 0; |
| mirror::ArtMethod* resolved_method = |
| ComputeMethodReferencedFromCompilingMethod(soa, mUnit, target_method->dex_method_index, |
| *invoke_type); |
| if (resolved_method != NULL) { |
| if (*invoke_type == kVirtual || *invoke_type == kSuper) { |
| *vtable_idx = resolved_method->GetMethodIndex(); |
| } else if (*invoke_type == kInterface) { |
| *vtable_idx = resolved_method->GetDexMethodIndex(); |
| } |
| // Don't try to fast-path if we don't understand the caller's class or this appears to be an |
| // Incompatible Class Change Error. |
| mirror::Class* referrer_class = |
| ComputeCompilingMethodsClass(soa, resolved_method->GetDeclaringClass()->GetDexCache(), |
| mUnit); |
| bool icce = resolved_method->CheckIncompatibleClassChange(*invoke_type); |
| if (referrer_class != NULL && !icce) { |
| mirror::Class* methods_class = resolved_method->GetDeclaringClass(); |
| if (!referrer_class->CanAccess(methods_class) || |
| !referrer_class->CanAccessMember(methods_class, |
| resolved_method->GetAccessFlags())) { |
| // The referring class can't access the resolved method, this may occur as a result of a |
| // protected method being made public by implementing an interface that re-declares the |
| // method public. Resort to the dex file to determine the correct class for the access |
| // check. |
| uint16_t class_idx = |
| target_method->dex_file->GetMethodId(target_method->dex_method_index).class_idx_; |
| methods_class = mUnit->GetClassLinker()->ResolveType(*target_method->dex_file, |
| class_idx, referrer_class); |
| } |
| if (referrer_class->CanAccess(methods_class) && |
| referrer_class->CanAccessMember(methods_class, resolved_method->GetAccessFlags())) { |
| const bool enableFinalBasedSharpening = enable_devirtualization; |
| // Sharpen a virtual call into a direct call when the target is known not to have been |
| // overridden (ie is final). |
| bool can_sharpen_virtual_based_on_type = |
| (*invoke_type == kVirtual) && (resolved_method->IsFinal() || methods_class->IsFinal()); |
| // For invoke-super, ensure the vtable index will be correct to dispatch in the vtable of |
| // the super class. |
| bool can_sharpen_super_based_on_type = (*invoke_type == kSuper) && |
| (referrer_class != methods_class) && referrer_class->IsSubClass(methods_class) && |
| resolved_method->GetMethodIndex() < methods_class->GetVTable()->GetLength() && |
| (methods_class->GetVTable()->Get(resolved_method->GetMethodIndex()) == resolved_method); |
| |
| if (enableFinalBasedSharpening && (can_sharpen_virtual_based_on_type || |
| can_sharpen_super_based_on_type)) { |
| // Sharpen a virtual call into a direct call. The method_idx is into referrer's |
| // dex cache, check that this resolved method is where we expect it. |
| CHECK(referrer_class->GetDexCache()->GetResolvedMethod(target_method->dex_method_index) == |
| resolved_method) << PrettyMethod(resolved_method); |
| InvokeType orig_invoke_type = *invoke_type; |
| GetCodeAndMethodForDirectCall(invoke_type, kDirect, false, referrer_class, resolved_method, |
| update_stats, target_method, direct_code, direct_method); |
| if (update_stats && (*invoke_type == kDirect)) { |
| stats_->ResolvedMethod(orig_invoke_type); |
| stats_->VirtualMadeDirect(orig_invoke_type); |
| } |
| DCHECK_NE(*invoke_type, kSuper) << PrettyMethod(resolved_method); |
| return true; |
| } |
| const bool enableVerifierBasedSharpening = enable_devirtualization; |
| if (enableVerifierBasedSharpening && (*invoke_type == kVirtual || |
| *invoke_type == kInterface)) { |
| // Did the verifier record a more precise invoke target based on its type information? |
| const MethodReference caller_method(mUnit->GetDexFile(), mUnit->GetDexMethodIndex()); |
| const MethodReference* devirt_map_target = |
| verifier::MethodVerifier::GetDevirtMap(caller_method, dex_pc); |
| if (devirt_map_target != NULL) { |
| mirror::DexCache* target_dex_cache = |
| mUnit->GetClassLinker()->FindDexCache(*devirt_map_target->dex_file); |
| mirror::ClassLoader* class_loader = |
| soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()); |
| mirror::ArtMethod* called_method = |
| mUnit->GetClassLinker()->ResolveMethod(*devirt_map_target->dex_file, |
| devirt_map_target->dex_method_index, |
| target_dex_cache, class_loader, NULL, |
| kVirtual); |
| CHECK(called_method != NULL); |
| CHECK(!called_method->IsAbstract()); |
| InvokeType orig_invoke_type = *invoke_type; |
| GetCodeAndMethodForDirectCall(invoke_type, kDirect, true, referrer_class, called_method, |
| update_stats, target_method, direct_code, direct_method); |
| if (update_stats && (*invoke_type == kDirect)) { |
| stats_->ResolvedMethod(orig_invoke_type); |
| stats_->VirtualMadeDirect(orig_invoke_type); |
| stats_->PreciseTypeDevirtualization(); |
| } |
| DCHECK_NE(*invoke_type, kSuper); |
| return true; |
| } |
| } |
| if (*invoke_type == kSuper) { |
| // Unsharpened super calls are suspicious so go slow-path. |
| } else { |
| // Sharpening failed so generate a regular resolved method dispatch. |
| if (update_stats) { |
| stats_->ResolvedMethod(*invoke_type); |
| } |
| GetCodeAndMethodForDirectCall(invoke_type, *invoke_type, false, referrer_class, resolved_method, |
| update_stats, target_method, direct_code, direct_method); |
| return true; |
| } |
| } |
| } |
| } |
| // Clean up any exception left by method/invoke_type resolution |
| if (soa.Self()->IsExceptionPending()) { |
| soa.Self()->ClearException(); |
| } |
| if (update_stats) { |
| stats_->UnresolvedMethod(*invoke_type); |
| } |
| return false; // Incomplete knowledge needs slow path. |
| } |
| |
| bool CompilerDriver::IsSafeCast(const MethodReference& mr, uint32_t dex_pc) { |
| bool result = verifier::MethodVerifier::IsSafeCast(mr, dex_pc); |
| if (result) { |
| stats_->SafeCast(); |
| } else { |
| stats_->NotASafeCast(); |
| } |
| return result; |
| } |
| |
| |
| void CompilerDriver::AddCodePatch(const DexFile* dex_file, |
| uint16_t referrer_class_def_idx, |
| uint32_t referrer_method_idx, |
| InvokeType referrer_invoke_type, |
| uint32_t target_method_idx, |
| InvokeType target_invoke_type, |
| size_t literal_offset) { |
| MutexLock mu(Thread::Current(), compiled_methods_lock_); |
| code_to_patch_.push_back(new PatchInformation(dex_file, |
| referrer_class_def_idx, |
| referrer_method_idx, |
| referrer_invoke_type, |
| target_method_idx, |
| target_invoke_type, |
| literal_offset)); |
| } |
| void CompilerDriver::AddMethodPatch(const DexFile* dex_file, |
| uint16_t referrer_class_def_idx, |
| uint32_t referrer_method_idx, |
| InvokeType referrer_invoke_type, |
| uint32_t target_method_idx, |
| InvokeType target_invoke_type, |
| size_t literal_offset) { |
| MutexLock mu(Thread::Current(), compiled_methods_lock_); |
| methods_to_patch_.push_back(new PatchInformation(dex_file, |
| referrer_class_def_idx, |
| referrer_method_idx, |
| referrer_invoke_type, |
| target_method_idx, |
| target_invoke_type, |
| literal_offset)); |
| } |
| |
| class ParallelCompilationManager { |
| public: |
| typedef void Callback(const ParallelCompilationManager* manager, size_t index); |
| |
| ParallelCompilationManager(ClassLinker* class_linker, |
| jobject class_loader, |
| CompilerDriver* compiler, |
| const DexFile* dex_file, |
| ThreadPool& thread_pool) |
| : index_(0), |
| class_linker_(class_linker), |
| class_loader_(class_loader), |
| compiler_(compiler), |
| dex_file_(dex_file), |
| thread_pool_(&thread_pool) {} |
| |
| ClassLinker* GetClassLinker() const { |
| CHECK(class_linker_ != NULL); |
| return class_linker_; |
| } |
| |
| jobject GetClassLoader() const { |
| return class_loader_; |
| } |
| |
| CompilerDriver* GetCompiler() const { |
| CHECK(compiler_ != NULL); |
| return compiler_; |
| } |
| |
| const DexFile* GetDexFile() const { |
| CHECK(dex_file_ != NULL); |
| return dex_file_; |
| } |
| |
| void ForAll(size_t begin, size_t end, Callback callback, size_t work_units) { |
| Thread* self = Thread::Current(); |
| self->AssertNoPendingException(); |
| CHECK_GT(work_units, 0U); |
| |
| std::vector<ForAllClosure*> closures(work_units); |
| index_ = begin; |
| for (size_t i = 0; i < work_units; ++i) { |
| closures[i] = new ForAllClosure(this, end, callback); |
| thread_pool_->AddTask(self, closures[i]); |
| } |
| thread_pool_->StartWorkers(self); |
| |
| // Ensure we're suspended while we're blocked waiting for the other threads to finish (worker |
| // thread destructor's called below perform join). |
| CHECK_NE(self->GetState(), kRunnable); |
| |
| // Wait for all the worker threads to finish. |
| thread_pool_->Wait(self, true, false); |
| } |
| |
| size_t NextIndex() { |
| return index_.fetch_add(1); |
| } |
| |
| private: |
| class ForAllClosure : public Task { |
| public: |
| ForAllClosure(ParallelCompilationManager* manager, size_t end, Callback* callback) |
| : manager_(manager), |
| end_(end), |
| callback_(callback) {} |
| |
| virtual void Run(Thread* self) { |
| while (true) { |
| const size_t index = manager_->NextIndex(); |
| if (UNLIKELY(index >= end_)) { |
| break; |
| } |
| callback_(manager_, index); |
| self->AssertNoPendingException(); |
| } |
| } |
| |
| virtual void Finalize() { |
| delete this; |
| } |
| |
| private: |
| ParallelCompilationManager* const manager_; |
| const size_t end_; |
| const Callback* const callback_; |
| }; |
| |
| AtomicInteger index_; |
| ClassLinker* const class_linker_; |
| const jobject class_loader_; |
| CompilerDriver* const compiler_; |
| const DexFile* const dex_file_; |
| ThreadPool* const thread_pool_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ParallelCompilationManager); |
| }; |
| |
| // Return true if the class should be skipped during compilation. We |
| // never skip classes in the boot class loader. However, if we have a |
| // non-boot class loader and we can resolve the class in the boot |
| // class loader, we do skip the class. This happens if an app bundles |
| // classes found in the boot classpath. Since at runtime we will |
| // select the class from the boot classpath, do not attempt to resolve |
| // or compile it now. |
| static bool SkipClass(ClassLinker* class_linker, jobject class_loader, const DexFile& dex_file, |
| const DexFile::ClassDef& class_def) { |
| if (class_loader == NULL) { |
| return false; |
| } |
| const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| return class_linker->IsInBootClassPath(descriptor); |
| } |
| |
| static void ResolveClassFieldsAndMethods(const ParallelCompilationManager* manager, |
| size_t class_def_index) |
| LOCKS_EXCLUDED(Locks::mutator_lock_) { |
| ATRACE_CALL(); |
| Thread* self = Thread::Current(); |
| jobject jclass_loader = manager->GetClassLoader(); |
| const DexFile& dex_file = *manager->GetDexFile(); |
| ClassLinker* class_linker = manager->GetClassLinker(); |
| |
| // If an instance field is final then we need to have a barrier on the return, static final |
| // fields are assigned within the lock held for class initialization. Conservatively assume |
| // constructor barriers are always required. |
| bool requires_constructor_barrier = true; |
| |
| // Method and Field are the worst. We can't resolve without either |
| // context from the code use (to disambiguate virtual vs direct |
| // method and instance vs static field) or from class |
| // definitions. While the compiler will resolve what it can as it |
| // needs it, here we try to resolve fields and methods used in class |
| // definitions, since many of them many never be referenced by |
| // generated code. |
| const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| if (!SkipClass(class_linker, jclass_loader, dex_file, class_def)) { |
| ScopedObjectAccess soa(self); |
| mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader); |
| mirror::DexCache* dex_cache = class_linker->FindDexCache(dex_file); |
| |
| // Resolve the class. |
| mirror::Class* klass = class_linker->ResolveType(dex_file, class_def.class_idx_, dex_cache, |
| class_loader); |
| |
| bool resolve_fields_and_methods; |
| if (klass == NULL) { |
| // Class couldn't be resolved, for example, super-class is in a different dex file. Don't |
| // attempt to resolve methods and fields when there is no declaring class. |
| CHECK(soa.Self()->IsExceptionPending()); |
| soa.Self()->ClearException(); |
| resolve_fields_and_methods = false; |
| } else { |
| resolve_fields_and_methods = manager->GetCompiler()->IsImage(); |
| } |
| // Note the class_data pointer advances through the headers, |
| // static fields, instance fields, direct methods, and virtual |
| // methods. |
| const byte* class_data = dex_file.GetClassData(class_def); |
| if (class_data == NULL) { |
| // Empty class such as a marker interface. |
| requires_constructor_barrier = false; |
| } else { |
| ClassDataItemIterator it(dex_file, class_data); |
| while (it.HasNextStaticField()) { |
| if (resolve_fields_and_methods) { |
| mirror::ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), |
| dex_cache, class_loader, true); |
| if (field == NULL) { |
| CHECK(soa.Self()->IsExceptionPending()); |
| soa.Self()->ClearException(); |
| } |
| } |
| it.Next(); |
| } |
| // We require a constructor barrier if there are final instance fields. |
| requires_constructor_barrier = false; |
| while (it.HasNextInstanceField()) { |
| if ((it.GetMemberAccessFlags() & kAccFinal) != 0) { |
| requires_constructor_barrier = true; |
| } |
| if (resolve_fields_and_methods) { |
| mirror::ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), |
| dex_cache, class_loader, false); |
| if (field == NULL) { |
| CHECK(soa.Self()->IsExceptionPending()); |
| soa.Self()->ClearException(); |
| } |
| } |
| it.Next(); |
| } |
| if (resolve_fields_and_methods) { |
| while (it.HasNextDirectMethod()) { |
| mirror::ArtMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), |
| dex_cache, class_loader, NULL, |
| it.GetMethodInvokeType(class_def)); |
| if (method == NULL) { |
| CHECK(soa.Self()->IsExceptionPending()); |
| soa.Self()->ClearException(); |
| } |
| it.Next(); |
| } |
| while (it.HasNextVirtualMethod()) { |
| mirror::ArtMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), |
| dex_cache, class_loader, NULL, |
| it.GetMethodInvokeType(class_def)); |
| if (method == NULL) { |
| CHECK(soa.Self()->IsExceptionPending()); |
| soa.Self()->ClearException(); |
| } |
| it.Next(); |
| } |
| DCHECK(!it.HasNext()); |
| } |
| } |
| } |
| if (requires_constructor_barrier) { |
| manager->GetCompiler()->AddRequiresConstructorBarrier(self, &dex_file, class_def_index); |
| } |
| } |
| |
| static void ResolveType(const ParallelCompilationManager* manager, size_t type_idx) |
| LOCKS_EXCLUDED(Locks::mutator_lock_) { |
| // Class derived values are more complicated, they require the linker and loader. |
| ScopedObjectAccess soa(Thread::Current()); |
| ClassLinker* class_linker = manager->GetClassLinker(); |
| const DexFile& dex_file = *manager->GetDexFile(); |
| mirror::DexCache* dex_cache = class_linker->FindDexCache(dex_file); |
| mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()); |
| mirror::Class* klass = class_linker->ResolveType(dex_file, type_idx, dex_cache, class_loader); |
| |
| if (klass == NULL) { |
| CHECK(soa.Self()->IsExceptionPending()); |
| mirror::Throwable* exception = soa.Self()->GetException(NULL); |
| VLOG(compiler) << "Exception during type resolution: " << exception->Dump(); |
| if (strcmp("Ljava/lang/OutOfMemoryError;", |
| ClassHelper(exception->GetClass()).GetDescriptor()) == 0) { |
| // There's little point continuing compilation if the heap is exhausted. |
| LOG(FATAL) << "Out of memory during type resolution for compilation"; |
| } |
| soa.Self()->ClearException(); |
| } |
| } |
| |
| void CompilerDriver::ResolveDexFile(jobject class_loader, const DexFile& dex_file, |
| ThreadPool& thread_pool, base::TimingLogger& timings) { |
| ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| |
| // TODO: we could resolve strings here, although the string table is largely filled with class |
| // and method names. |
| |
| ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool); |
| if (IsImage()) { |
| // For images we resolve all types, such as array, whereas for applications just those with |
| // classdefs are resolved by ResolveClassFieldsAndMethods. |
| timings.NewSplit("Resolve Types"); |
| context.ForAll(0, dex_file.NumTypeIds(), ResolveType, thread_count_); |
| } |
| |
| timings.NewSplit("Resolve MethodsAndFields"); |
| context.ForAll(0, dex_file.NumClassDefs(), ResolveClassFieldsAndMethods, thread_count_); |
| } |
| |
| void CompilerDriver::Verify(jobject class_loader, const std::vector<const DexFile*>& dex_files, |
| ThreadPool& thread_pool, base::TimingLogger& timings) { |
| for (size_t i = 0; i != dex_files.size(); ++i) { |
| const DexFile* dex_file = dex_files[i]; |
| CHECK(dex_file != NULL); |
| VerifyDexFile(class_loader, *dex_file, thread_pool, timings); |
| } |
| } |
| |
| static void VerifyClass(const ParallelCompilationManager* manager, size_t class_def_index) |
| LOCKS_EXCLUDED(Locks::mutator_lock_) { |
| ATRACE_CALL(); |
| ScopedObjectAccess soa(Thread::Current()); |
| const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index); |
| const char* descriptor = manager->GetDexFile()->GetClassDescriptor(class_def); |
| mirror::Class* klass = |
| manager->GetClassLinker()->FindClass(descriptor, |
| soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader())); |
| if (klass == NULL) { |
| CHECK(soa.Self()->IsExceptionPending()); |
| soa.Self()->ClearException(); |
| |
| /* |
| * At compile time, we can still structurally verify the class even if FindClass fails. |
| * This is to ensure the class is structurally sound for compilation. An unsound class |
| * will be rejected by the verifier and later skipped during compilation in the compiler. |
| */ |
| mirror::DexCache* dex_cache = manager->GetClassLinker()->FindDexCache(*manager->GetDexFile()); |
| std::string error_msg; |
| const DexFile* dex_file = manager->GetDexFile(); |
| const DexFile::ClassDef* class_def = &dex_file->GetClassDef(class_def_index); |
| if (verifier::MethodVerifier::VerifyClass(dex_file, |
| dex_cache, |
| soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()), |
| class_def, true, &error_msg) == |
| verifier::MethodVerifier::kHardFailure) { |
| const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index); |
| LOG(ERROR) << "Verification failed on class " |
| << PrettyDescriptor(manager->GetDexFile()->GetClassDescriptor(class_def)) |
| << " because: " << error_msg; |
| } |
| } else { |
| CHECK(klass->IsResolved()) << PrettyClass(klass); |
| manager->GetClassLinker()->VerifyClass(klass); |
| |
| if (klass->IsErroneous()) { |
| // ClassLinker::VerifyClass throws, which isn't useful in the compiler. |
| CHECK(soa.Self()->IsExceptionPending()); |
| soa.Self()->ClearException(); |
| } |
| |
| CHECK(klass->IsCompileTimeVerified() || klass->IsErroneous()) |
| << PrettyDescriptor(klass) << ": state=" << klass->GetStatus(); |
| } |
| soa.Self()->AssertNoPendingException(); |
| } |
| |
| void CompilerDriver::VerifyDexFile(jobject class_loader, const DexFile& dex_file, |
| ThreadPool& thread_pool, base::TimingLogger& timings) { |
| timings.NewSplit("Verify Dex File"); |
| ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool); |
| context.ForAll(0, dex_file.NumClassDefs(), VerifyClass, thread_count_); |
| } |
| |
| static const char* class_initializer_black_list[] = { |
| "Landroid/app/ActivityThread;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Landroid/bluetooth/BluetoothAudioGateway;", // Calls android.bluetooth.BluetoothAudioGateway.classInitNative(). |
| "Landroid/bluetooth/HeadsetBase;", // Calls android.bluetooth.HeadsetBase.classInitNative(). |
| "Landroid/content/res/CompatibilityInfo;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. |
| "Landroid/content/res/CompatibilityInfo$1;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. |
| "Landroid/content/UriMatcher;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Landroid/database/CursorWindow;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. |
| "Landroid/database/sqlite/SQLiteConnection;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Landroid/database/sqlite/SQLiteConnection$Operation;", // Requires SimpleDateFormat -> java.util.Locale. |
| "Landroid/database/sqlite/SQLiteDatabaseConfiguration;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Landroid/database/sqlite/SQLiteDebug;", // Calls android.util.Log.isLoggable. |
| "Landroid/database/sqlite/SQLiteOpenHelper;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex. |
| "Landroid/database/sqlite/SQLiteQueryBuilder;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Landroid/drm/DrmManagerClient;", // Calls System.loadLibrary. |
| "Landroid/graphics/drawable/AnimatedRotateDrawable;", // Sub-class of Drawable. |
| "Landroid/graphics/drawable/AnimationDrawable;", // Sub-class of Drawable. |
| "Landroid/graphics/drawable/BitmapDrawable;", // Sub-class of Drawable. |
| "Landroid/graphics/drawable/ClipDrawable;", // Sub-class of Drawable. |
| "Landroid/graphics/drawable/ColorDrawable;", // Sub-class of Drawable. |
| "Landroid/graphics/drawable/Drawable;", // Requires android.graphics.Rect. |
| "Landroid/graphics/drawable/DrawableContainer;", // Sub-class of Drawable. |
| "Landroid/graphics/drawable/GradientDrawable;", // Sub-class of Drawable. |
| "Landroid/graphics/drawable/LayerDrawable;", // Sub-class of Drawable. |
| "Landroid/graphics/drawable/NinePatchDrawable;", // Sub-class of Drawable. |
| "Landroid/graphics/drawable/RotateDrawable;", // Sub-class of Drawable. |
| "Landroid/graphics/drawable/ScaleDrawable;", // Sub-class of Drawable. |
| "Landroid/graphics/drawable/ShapeDrawable;", // Sub-class of Drawable. |
| "Landroid/graphics/drawable/StateListDrawable;", // Sub-class of Drawable. |
| "Landroid/graphics/drawable/TransitionDrawable;", // Sub-class of Drawable. |
| "Landroid/graphics/Matrix;", // Calls android.graphics.Matrix.native_create. |
| "Landroid/graphics/Matrix$1;", // Requires Matrix. |
| "Landroid/graphics/PixelFormat;", // Calls android.graphics.PixelFormat.nativeClassInit(). |
| "Landroid/graphics/Rect;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Landroid/graphics/SurfaceTexture;", // Calls android.graphics.SurfaceTexture.nativeClassInit(). |
| "Landroid/graphics/Typeface;", // Calls android.graphics.Typeface.nativeCreate. |
| "Landroid/inputmethodservice/ExtractEditText;", // Requires android.widget.TextView. |
| "Landroid/media/AmrInputStream;", // Calls OsConstants.initConstants. |
| "Landroid/media/CamcorderProfile;", // Calls OsConstants.initConstants. |
| "Landroid/media/CameraProfile;", // Calls System.loadLibrary. |
| "Landroid/media/DecoderCapabilities;", // Calls System.loadLibrary. |
| "Landroid/media/EncoderCapabilities;", // Calls OsConstants.initConstants. |
| "Landroid/media/ExifInterface;", // Calls OsConstants.initConstants. |
| "Landroid/media/MediaCodec;", // Calls OsConstants.initConstants. |
| "Landroid/media/MediaCodecList;", // Calls OsConstants.initConstants. |
| "Landroid/media/MediaCrypto;", // Calls OsConstants.initConstants. |
| "Landroid/media/MediaDrm;", // Calls OsConstants.initConstants. |
| "Landroid/media/MediaExtractor;", // Calls OsConstants.initConstants. |
| "Landroid/media/MediaFile;", // Requires DecoderCapabilities. |
| "Landroid/media/MediaMetadataRetriever;", // Calls OsConstants.initConstants. |
| "Landroid/media/MediaMuxer;", // Calls OsConstants.initConstants. |
| "Landroid/media/MediaPlayer;", // Calls System.loadLibrary. |
| "Landroid/media/MediaRecorder;", // Calls System.loadLibrary. |
| "Landroid/media/MediaScanner;", // Calls System.loadLibrary. |
| "Landroid/media/ResampleInputStream;", // Calls OsConstants.initConstants. |
| "Landroid/media/SoundPool;", // Calls OsConstants.initConstants. |
| "Landroid/media/videoeditor/MediaArtistNativeHelper;", // Calls OsConstants.initConstants. |
| "Landroid/media/videoeditor/VideoEditorProfile;", // Calls OsConstants.initConstants. |
| "Landroid/mtp/MtpDatabase;", // Calls OsConstants.initConstants. |
| "Landroid/mtp/MtpDevice;", // Calls OsConstants.initConstants. |
| "Landroid/mtp/MtpServer;", // Calls OsConstants.initConstants. |
| "Landroid/net/NetworkInfo;", // Calls java.util.EnumMap.<init> -> java.lang.Enum.getSharedConstants -> System.identityHashCode. |
| "Landroid/net/Proxy;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Landroid/net/SSLCertificateSocketFactory;", // Requires javax.net.ssl.HttpsURLConnection. |
| "Landroid/net/Uri$AbstractHierarchicalUri;", // Requires Uri. |
| "Landroid/net/Uri$HierarchicalUri;", // Requires Uri. |
| "Landroid/net/Uri$OpaqueUri;", // Requires Uri. |
| "Landroid/net/Uri$StringUri;", // Requires Uri. |
| "Landroid/net/Uri;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex. |
| "Landroid/net/WebAddress;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Landroid/net/wifi/WifiNative;", // Calls new LocalLog -> new Time -> TimeZone -> Pattern.compile. |
| "Landroid/nfc/NdefRecord;", // Calls String.getBytes -> java.nio.charset.Charset. |
| "Landroid/opengl/EGL14;", // Calls android.opengl.EGL14._nativeClassInit. |
| "Landroid/opengl/GLES10;", // Calls android.opengl.GLES10._nativeClassInit. |
| "Landroid/opengl/GLES10Ext;", // Calls android.opengl.GLES10Ext._nativeClassInit. |
| "Landroid/opengl/GLES11;", // Requires GLES10. |
| "Landroid/opengl/GLES11Ext;", // Calls android.opengl.GLES11Ext._nativeClassInit. |
| "Landroid/opengl/GLES20;", // Calls android.opengl.GLES20._nativeClassInit. |
| "Landroid/opengl/GLUtils;", // Calls android.opengl.GLUtils.nativeClassInit. |
| "Landroid/os/Build;", // Calls -..-> android.os.SystemProperties.native_get. |
| "Landroid/os/Build$VERSION;", // Requires Build. |
| "Landroid/os/Bundle;", // Calls android.os.Parcel.obtain -..> Parcel.nativeCreate. |
| "Landroid/os/Debug;", // Requires android.os.Environment. |
| "Landroid/os/Environment;", // Calls System.getenv. |
| "Landroid/os/FileUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Landroid/os/StrictMode;", // Calls android.util.Log.isLoggable. |
| "Landroid/os/StrictMode$VmPolicy;", // Requires StrictMode. |
| "Landroid/os/Trace;", // Calls android.os.Trace.nativeGetEnabledTags. |
| "Landroid/os/UEventObserver;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex. |
| "Landroid/provider/ContactsContract;", // Calls OsConstants.initConstants. |
| "Landroid/provider/Settings$Global;", // Calls OsConstants.initConstants. |
| "Landroid/provider/Settings$Secure;", // Requires android.net.Uri. |
| "Landroid/provider/Settings$System;", // Requires android.net.Uri. |
| "Landroid/renderscript/RenderScript;", // Calls System.loadLibrary. |
| "Landroid/server/BluetoothService;", // Calls android.server.BluetoothService.classInitNative. |
| "Landroid/server/BluetoothEventLoop;", // Calls android.server.BluetoothEventLoop.classInitNative. |
| "Landroid/telephony/PhoneNumberUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Landroid/telephony/TelephonyManager;", // Calls OsConstants.initConstants. |
| "Landroid/text/AutoText;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int. |
| "Landroid/text/Layout;", // Calls com.android.internal.util.ArrayUtils.emptyArray -> System.identityHashCode. |
| "Landroid/text/BoringLayout;", // Requires Layout. |
| "Landroid/text/DynamicLayout;", // Requires Layout. |
| "Landroid/text/Html$HtmlParser;", // Calls -..-> String.toLowerCase -> java.util.Locale. |
| "Landroid/text/StaticLayout;", // Requires Layout. |
| "Landroid/text/TextUtils;", // Requires android.util.DisplayMetrics. |
| "Landroid/util/DisplayMetrics;", // Calls SystemProperties.native_get_int. |
| "Landroid/util/Patterns;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Landroid/view/Choreographer;", // Calls SystemProperties.native_get_boolean. |
| "Landroid/util/Patterns;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Landroid/view/GLES20Canvas;", // Calls GLES20Canvas.nIsAvailable(). |
| "Landroid/view/GLES20RecordingCanvas;", // Requires android.view.GLES20Canvas. |
| "Landroid/view/GestureDetector;", // Calls android.view.GLES20Canvas.nIsAvailable. |
| "Landroid/view/HardwareRenderer$Gl20Renderer;", // Requires SystemProperties.native_get. |
| "Landroid/view/HardwareRenderer$GlRenderer;", // Requires SystemProperties.native_get. |
| "Landroid/view/InputEventConsistencyVerifier;", // Requires android.os.Build. |
| "Landroid/view/Surface;", // Requires SystemProperties.native_get. |
| "Landroid/view/SurfaceControl;", // Calls OsConstants.initConstants. |
| "Landroid/view/animation/AlphaAnimation;", // Requires Animation. |
| "Landroid/view/animation/Animation;", // Calls SystemProperties.native_get_boolean. |
| "Landroid/view/animation/AnimationSet;", // Calls OsConstants.initConstants. |
| "Landroid/view/textservice/SpellCheckerSubtype;", // Calls Class.getDex(). |
| "Landroid/webkit/JniUtil;", // Calls System.loadLibrary. |
| "Landroid/webkit/PluginManager;", // // Calls OsConstants.initConstants. |
| "Landroid/webkit/WebViewCore;", // Calls System.loadLibrary. |
| "Landroid/webkit/WebViewFactory;", // Calls -..-> android.os.SystemProperties.native_get. |
| "Landroid/webkit/WebViewFactory$Preloader;", // Calls to Class.forName. |
| "Landroid/webkit/WebViewInputDispatcher;", // Calls Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Landroid/webkit/URLUtil;", // Calls Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Landroid/widget/AutoCompleteTextView;", // Requires TextView. |
| "Landroid/widget/Button;", // Requires TextView. |
| "Landroid/widget/CheckBox;", // Requires TextView. |
| "Landroid/widget/CheckedTextView;", // Requires TextView. |
| "Landroid/widget/CompoundButton;", // Requires TextView. |
| "Landroid/widget/EditText;", // Requires TextView. |
| "Landroid/widget/NumberPicker;", // Requires java.util.Locale. |
| "Landroid/widget/ScrollBarDrawable;", // Sub-class of Drawable. |
| "Landroid/widget/SearchView$SearchAutoComplete;", // Requires TextView. |
| "Landroid/widget/Switch;", // Requires TextView. |
| "Landroid/widget/TextView;", // Calls Paint.<init> -> Paint.native_init. |
| "Lcom/android/i18n/phonenumbers/AsYouTypeFormatter;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Lcom/android/i18n/phonenumbers/MetadataManager;", // Calls OsConstants.initConstants. |
| "Lcom/android/i18n/phonenumbers/PhoneNumberMatcher;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Lcom/android/i18n/phonenumbers/PhoneNumberUtil;", // Requires java.util.logging.LogManager. |
| "Lcom/android/i18n/phonenumbers/geocoding/AreaCodeMap;", // Calls OsConstants.initConstants. |
| "Lcom/android/i18n/phonenumbers/geocoding/PhoneNumberOfflineGeocoder;", // Calls OsConstants.initConstants. |
| "Lcom/android/internal/os/SamplingProfilerIntegration;", // Calls SystemProperties.native_get_int. |
| "Lcom/android/internal/policy/impl/PhoneWindow;", // Calls android.os.Binder.init. |
| "Lcom/android/internal/view/menu/ActionMenuItemView;", // Requires TextView. |
| "Lcom/android/internal/widget/DialogTitle;", // Requires TextView. |
| "Lcom/android/org/bouncycastle/asn1/StreamUtil;", // Calls Runtime.getRuntime().maxMemory(). |
| "Lcom/android/org/bouncycastle/asn1/pkcs/MacData;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/asn1/pkcs/RSASSAPSSparams;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/asn1/cms/SignedData;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/asn1/x509/GeneralSubtree;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/asn1/x9/X9ECParameters;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$MD5;", // Requires com.android.org.conscrypt.NativeCrypto. |
| "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA1;", // Requires com.android.org.conscrypt.NativeCrypto. |
| "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA256;", // Requires com.android.org.conscrypt.NativeCrypto. |
| "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA384;", // Requires com.android.org.conscrypt.NativeCrypto. |
| "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA512;", // Requires com.android.org.conscrypt.NativeCrypto. |
| "Lcom/android/org/bouncycastle/crypto/engines/RSABlindedEngine;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/crypto/generators/DHKeyGeneratorHelper;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/crypto/generators/DHParametersGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/crypto/generators/DHParametersHelper;", // Calls System.getenv -> OsConstants.initConstants. |
| "Lcom/android/org/bouncycastle/crypto/generators/DSAKeyPairGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/crypto/generators/DSAParametersGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/crypto/generators/RSAKeyPairGenerator;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/dh/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. |
| "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/dsa/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. |
| "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$EC;", // Calls OsConstants.initConstants. |
| "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDH;", // Calls OsConstants.initConstants. |
| "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDHC;", // Calls OsConstants.initConstants. |
| "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDSA;", // Calls OsConstants.initConstants. |
| "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECMQV;", // Calls OsConstants.initConstants. |
| "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. |
| "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/BCRSAPrivateCrtKey;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/BCRSAPrivateKey;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants. |
| "Lcom/android/org/bouncycastle/jcajce/provider/keystore/pkcs12/PKCS12KeyStoreSpi$BCPKCS12KeyStore;", // Calls Thread.currentThread. |
| "Lcom/android/org/bouncycastle/jcajce/provider/keystore/pkcs12/PKCS12KeyStoreSpi;", // Calls Thread.currentThread. |
| "Lcom/android/org/bouncycastle/jce/PKCS10CertificationRequest;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/jce/provider/CertBlacklist;", // Calls System.getenv -> OsConstants.initConstants. |
| "Lcom/android/org/bouncycastle/jce/provider/JCERSAPrivateCrtKey;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/jce/provider/JCERSAPrivateKey;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/jce/provider/PKIXCertPathValidatorSpi;", // Calls System.getenv -> OsConstants.initConstants. |
| "Lcom/android/org/bouncycastle/math/ec/ECConstants;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/math/ec/Tnaf;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/util/BigIntegers;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/bouncycastle/x509/X509Util;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lcom/android/org/conscrypt/CipherSuite;", // Calls OsConstants.initConstants. |
| "Lcom/android/org/conscrypt/FileClientSessionCache$CacheFile;", // Calls OsConstants.initConstants. |
| "Lcom/android/org/conscrypt/HandshakeIODataStream;", // Calls OsConstants.initConstants. |
| "Lcom/android/org/conscrypt/Logger;", // Calls OsConstants.initConstants. |
| "Lcom/android/org/conscrypt/NativeCrypto;", // Calls native NativeCrypto.clinit(). |
| "Lcom/android/org/conscrypt/OpenSSLECKeyPairGenerator;", // Calls OsConstants.initConstants. |
| "Lcom/android/org/conscrypt/OpenSSLEngine;", // Requires com.android.org.conscrypt.NativeCrypto. |
| "Lcom/android/org/conscrypt/OpenSSLMac$HmacMD5;", // Calls native NativeCrypto.clinit(). |
| "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA1;", // Calls native NativeCrypto.clinit(). |
| "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA256;", // Calls native NativeCrypto.clinit(). |
| "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA384;", // Calls native NativeCrypto.clinit(). |
| "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA512;", // Calls native NativeCrypto.clinit(). |
| "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$MD5;", // Requires com.android.org.conscrypt.NativeCrypto. |
| "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA1;", // Requires com.android.org.conscrypt.NativeCrypto. |
| "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA256;", // Requires com.android.org.conscrypt.NativeCrypto. |
| "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA384;", // Requires com.android.org.conscrypt.NativeCrypto. |
| "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA512;", // Requires com.android.org.conscrypt.NativeCrypto. |
| "Lcom/android/org/conscrypt/OpenSSLX509CertPath;", // Calls OsConstants.initConstants. |
| "Lcom/android/org/conscrypt/OpenSSLX509CertificateFactory;", // Calls OsConstants.initConstants. |
| "Lcom/android/org/conscrypt/PRF;", // Calls OsConstants.initConstants. |
| "Lcom/android/org/conscrypt/SSLSessionImpl;", // Calls OsConstants.initConstants. |
| "Lcom/android/org/conscrypt/TrustedCertificateStore;", // Calls System.getenv -> OsConstants.initConstants. |
| "Lcom/android/okhttp/ConnectionPool;", // Calls OsConstants.initConstants. |
| "Lcom/android/okhttp/OkHttpClient;", // Calls OsConstants.initConstants. |
| "Lcom/android/okhttp/internal/DiskLruCache;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Lcom/android/okhttp/internal/Util;", // Calls OsConstants.initConstants. |
| "Lcom/android/okhttp/internal/http/HttpsURLConnectionImpl;", // Calls VMClassLoader.getBootClassPathSize. |
| "Lcom/android/okhttp/internal/spdy/SpdyConnection;", // Calls OsConstants.initConstants. |
| "Lcom/android/okhttp/internal/spdy/SpdyReader;", // Calls OsConstants.initConstants. |
| "Lcom/android/okhttp/internal/tls/OkHostnameVerifier;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Lcom/google/android/gles_jni/EGLContextImpl;", // Calls com.google.android.gles_jni.EGLImpl._nativeClassInit. |
| "Lcom/google/android/gles_jni/EGLImpl;", // Calls com.google.android.gles_jni.EGLImpl._nativeClassInit. |
| "Lcom/google/android/gles_jni/GLImpl;", // Calls com.google.android.gles_jni.GLImpl._nativeClassInit. |
| "Lgov/nist/core/GenericObject;", // Calls OsConstants.initConstants. |
| "Lgov/nist/core/Host;", // Calls OsConstants.initConstants. |
| "Lgov/nist/core/HostPort;", // Calls OsConstants.initConstants. |
| "Lgov/nist/core/NameValue;", // Calls OsConstants.initConstants. |
| "Lgov/nist/core/net/DefaultNetworkLayer;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/Utils;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/address/AddressImpl;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/address/Authority;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/address/GenericURI;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/address/NetObject;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/address/SipUri;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/address/TelephoneNumber;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/address/UserInfo;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/Accept;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/AcceptEncoding;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/AcceptLanguage;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/AddressParametersHeader;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/AlertInfoList;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/AllowEvents;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/AllowEventsList;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/AuthenticationInfo;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/Authorization;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/CSeq;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/CallIdentifier;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/Challenge;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ContactList;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ContentEncoding;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ContentEncodingList;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ContentLanguageList;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ContentType;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/Credentials;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ErrorInfoList;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/Expires;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/From;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/MimeVersion;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/NameMap;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/Priority;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/Protocol;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ProxyAuthenticate;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ProxyAuthenticateList;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ProxyAuthorizationList;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ProxyRequire;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ProxyRequireList;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/RSeq;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/RecordRoute;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ReferTo;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/RequestLine;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/Require;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/RetryAfter;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/SIPETag;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/SIPHeader;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/SIPHeaderNamesCache;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/StatusLine;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/SubscriptionState;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/TimeStamp;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/UserAgent;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/Unsupported;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/Warning;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ViaList;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/extensions/Join;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/extensions/References;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/extensions/Replaces;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ims/PAccessNetworkInfo;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ims/PAssertedIdentity;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ims/PAssertedIdentityList;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ims/PAssociatedURI;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ims/PCalledPartyID;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ims/PChargingVector;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ims/PPreferredIdentity;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ims/PVisitedNetworkIDList;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ims/PathList;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ims/SecurityAgree;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ims/SecurityClient;", // Calls OsConstants.initConstants. |
| "Lgov/nist/javax/sip/header/ims/ServiceRoute;", // Calls OsConstants.initConstants. |
| "Ljava/io/Console;", // Has FileDescriptor(s). |
| "Ljava/io/File;", // Calls to Random.<init> -> System.currentTimeMillis -> OsConstants.initConstants. |
| "Ljava/io/FileDescriptor;", // Requires libcore.io.OsConstants. |
| "Ljava/io/ObjectInputStream;", // Requires java.lang.ClassLoader$SystemClassLoader. |
| "Ljava/io/ObjectStreamClass;", // Calls to Class.forName -> java.io.FileDescriptor. |
| "Ljava/io/ObjectStreamConstants;", // Instance of non-image class SerializablePermission. |
| "Ljava/lang/ClassLoader$SystemClassLoader;", // Calls System.getProperty -> OsConstants.initConstants. |
| "Ljava/lang/HexStringParser;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Ljava/lang/ProcessManager;", // Calls Thread.currentThread. |
| "Ljava/lang/Runtime;", // Calls System.getProperty -> OsConstants.initConstants. |
| "Ljava/lang/System;", // Calls OsConstants.initConstants. |
| "Ljava/math/BigDecimal;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Ljava/math/BigInteger;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Ljava/math/Primality;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Ljava/math/Multiplication;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Ljava/net/InetAddress;", // Requires libcore.io.OsConstants. |
| "Ljava/net/Inet4Address;", // Sub-class of InetAddress. |
| "Ljava/net/Inet6Address;", // Sub-class of InetAddress. |
| "Ljava/net/InetUnixAddress;", // Sub-class of InetAddress. |
| "Ljava/net/NetworkInterface;", // Calls to Random.<init> -> System.currentTimeMillis -> OsConstants.initConstants. |
| "Ljava/nio/charset/Charset;", // Calls Charset.getDefaultCharset -> System.getProperty -> OsConstants.initConstants. |
| "Ljava/nio/charset/CharsetICU;", // Sub-class of Charset. |
| "Ljava/nio/charset/Charsets;", // Calls Charset.forName. |
| "Ljava/nio/charset/StandardCharsets;", // Calls OsConstants.initConstants. |
| "Ljava/security/AlgorithmParameterGenerator;", // Calls OsConstants.initConstants. |
| "Ljava/security/KeyPairGenerator$KeyPairGeneratorImpl;", // Calls OsConstants.initConstants. |
| "Ljava/security/KeyPairGenerator;", // Calls OsConstants.initConstants. |
| "Ljava/security/Security;", // Tries to do disk IO for "security.properties". |
| "Ljava/security/spec/RSAKeyGenParameterSpec;", // java.math.NativeBN.BN_new() |
| "Ljava/sql/Date;", // Calls OsConstants.initConstants. |
| "Ljava/sql/DriverManager;", // Calls OsConstants.initConstants. |
| "Ljava/sql/Time;", // Calls OsConstants.initConstants. |
| "Ljava/sql/Timestamp;", // Calls OsConstants.initConstants. |
| "Ljava/util/Date;", // Calls Date.<init> -> System.currentTimeMillis -> OsConstants.initConstants. |
| "Ljava/util/ListResourceBundle;", // Calls OsConstants.initConstants. |
| "Ljava/util/Locale;", // Calls System.getProperty -> OsConstants.initConstants. |
| "Ljava/util/PropertyResourceBundle;", // Calls OsConstants.initConstants. |
| "Ljava/util/ResourceBundle;", // Calls OsConstants.initConstants. |
| "Ljava/util/ResourceBundle$MissingBundle;", // Calls OsConstants.initConstants. |
| "Ljava/util/Scanner;", // regex.Pattern.compileImpl. |
| "Ljava/util/SimpleTimeZone;", // Sub-class of TimeZone. |
| "Ljava/util/TimeZone;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| "Ljava/util/concurrent/ConcurrentHashMap;", // Calls Runtime.getRuntime().availableProcessors(). |
| "Ljava/util/concurrent/ConcurrentHashMap$Segment;", // Calls Runtime.getRuntime().availableProcessors(). |
| "Ljava/util/concurrent/ConcurrentSkipListMap;", // Calls Random() -> OsConstants.initConstants. |
| "Ljava/util/concurrent/Exchanger;", // Calls Runtime.getRuntime().availableProcessors(). |
| "Ljava/util/concurrent/ForkJoinPool;", // Makes a thread pool ..-> calls OsConstants.initConstants. |
| "Ljava/util/concurrent/LinkedTransferQueue;", // Calls Runtime.getRuntime().availableProcessors(). |
| "Ljava/util/concurrent/Phaser;", // Calls Runtime.getRuntime().availableProcessors(). |
| "Ljava/util/concurrent/ScheduledThreadPoolExecutor;", // Calls AtomicLong.VMSupportsCS8() |
| "Ljava/util/concurrent/SynchronousQueue;", // Calls Runtime.getRuntime().availableProcessors(). |
| "Ljava/util/concurrent/atomic/AtomicLong;", // Calls AtomicLong.VMSupportsCS8() |
| "Ljava/util/logging/LogManager;", // Calls System.getProperty -> OsConstants.initConstants. |
| "Ljava/util/prefs/AbstractPreferences;", // Calls OsConstants.initConstants. |
| "Ljava/util/prefs/FilePreferencesImpl;", // Calls OsConstants.initConstants. |
| "Ljava/util/prefs/FilePreferencesFactoryImpl;", // Calls OsConstants.initConstants. |
| "Ljava/util/prefs/Preferences;", // Calls OsConstants.initConstants. |
| "Ljavax/crypto/KeyAgreement;", // Calls OsConstants.initConstants. |
| "Ljavax/crypto/KeyGenerator;", // Calls OsConstants.initConstants. |
| "Ljavax/security/cert/X509Certificate;", // Calls VMClassLoader.getBootClassPathSize. |
| "Ljavax/security/cert/X509Certificate$1;", // Calls VMClassLoader.getBootClassPathSize. |
| "Ljavax/microedition/khronos/egl/EGL10;", // Requires EGLContext. |
| "Ljavax/microedition/khronos/egl/EGLContext;", // Requires com.google.android.gles_jni.EGLImpl. |
| "Ljavax/xml/datatype/DatatypeConstants;", // Calls OsConstants.initConstants. |
| "Ljavax/xml/datatype/FactoryFinder;", // Calls OsConstants.initConstants. |
| "Ljavax/xml/namespace/QName;", // Calls OsConstants.initConstants. |
| "Ljavax/xml/validation/SchemaFactoryFinder;", // Calls OsConstants.initConstants. |
| "Ljavax/xml/xpath/XPathConstants;", // Calls OsConstants.initConstants. |
| "Ljavax/xml/xpath/XPathFactoryFinder;", // Calls OsConstants.initConstants. |
| "Llibcore/icu/LocaleData;", // Requires java.util.Locale. |
| "Llibcore/icu/TimeZoneNames;", // Requires java.util.TimeZone. |
| "Llibcore/io/IoUtils;", // Calls Random.<init> -> System.currentTimeMillis -> FileDescriptor -> OsConstants.initConstants. |
| "Llibcore/io/OsConstants;", // Platform specific. |
| "Llibcore/net/MimeUtils;", // Calls libcore.net.MimeUtils.getContentTypesPropertiesStream -> System.getProperty. |
| "Llibcore/reflect/Types;", // Calls OsConstants.initConstants. |
| "Llibcore/util/ZoneInfo;", // Sub-class of TimeZone. |
| "Llibcore/util/ZoneInfoDB;", // Calls System.getenv -> OsConstants.initConstants. |
| "Lorg/apache/commons/logging/LogFactory;", // Calls System.getProperty. |
| "Lorg/apache/commons/logging/impl/LogFactoryImpl;", // Calls OsConstants.initConstants. |
| "Lorg/apache/harmony/security/fortress/Services;", // Calls ClassLoader.getSystemClassLoader -> System.getProperty. |
| "Lorg/apache/harmony/security/provider/cert/X509CertFactoryImpl;", // Requires java.nio.charsets.Charsets. |
| "Lorg/apache/harmony/security/provider/crypto/RandomBitsSupplier;", // Requires java.io.File. |
| "Lorg/apache/harmony/security/utils/AlgNameMapper;", // Requires java.util.Locale. |
| "Lorg/apache/harmony/security/pkcs10/CertificationRequest;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/pkcs10/CertificationRequestInfo;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/pkcs7/AuthenticatedAttributes;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/pkcs7/SignedData;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/pkcs7/SignerInfo;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/pkcs8/PrivateKeyInfo;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/provider/crypto/SHA1PRNG_SecureRandomImpl;", // Calls OsConstants.initConstants. |
| "Lorg/apache/harmony/security/x501/AttributeTypeAndValue;", // Calls IntegralToString.convertInt -> Thread.currentThread. |
| "Lorg/apache/harmony/security/x501/DirectoryString;", // Requires BigInteger. |
| "Lorg/apache/harmony/security/x501/Name;", // Requires org.apache.harmony.security.x501.AttributeTypeAndValue. |
| "Lorg/apache/harmony/security/x509/AccessDescription;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/x509/AuthorityKeyIdentifier;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/x509/CRLDistributionPoints;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/x509/Certificate;", // Requires org.apache.harmony.security.x509.TBSCertificate. |
| "Lorg/apache/harmony/security/x509/CertificateIssuer;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/x509/CertificateList;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/x509/DistributionPoint;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/x509/DistributionPointName;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/x509/EDIPartyName;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lorg/apache/harmony/security/x509/GeneralName;", // Requires org.apache.harmony.security.x501.Name. |
| "Lorg/apache/harmony/security/x509/GeneralNames;", // Requires GeneralName. |
| "Lorg/apache/harmony/security/x509/GeneralSubtree;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/x509/GeneralSubtrees;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/x509/InfoAccessSyntax;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/x509/IssuingDistributionPoint;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/x509/NameConstraints;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/x509/TBSCertList$RevokedCertificate;", // Calls NativeBN.BN_new(). |
| "Lorg/apache/harmony/security/x509/TBSCertList;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/security/x509/TBSCertificate;", // Requires org.apache.harmony.security.x501.Name. |
| "Lorg/apache/harmony/security/x509/Time;", // Calls native ... -> java.math.NativeBN.BN_new(). |
| "Lorg/apache/harmony/security/x509/Validity;", // Requires x509.Time. |
| "Lorg/apache/harmony/security/x509/tsp/TSTInfo;", // Calls Thread.currentThread. |
| "Lorg/apache/harmony/xml/ExpatParser;", // Calls native ExpatParser.staticInitialize. |
| "Lorg/apache/harmony/xml/ExpatParser$EntityParser;", // Calls ExpatParser.staticInitialize. |
| "Lorg/apache/http/conn/params/ConnRouteParams;", // Requires java.util.Locale. |
| "Lorg/apache/http/conn/ssl/SSLSocketFactory;", // Calls java.security.Security.getProperty. |
| "Lorg/apache/http/conn/util/InetAddressUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl. |
| }; |
| |
| static void InitializeClass(const ParallelCompilationManager* manager, size_t class_def_index) |
| LOCKS_EXCLUDED(Locks::mutator_lock_) { |
| ATRACE_CALL(); |
| const DexFile* dex_file = manager->GetDexFile(); |
| const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); |
| const DexFile::TypeId& class_type_id = dex_file->GetTypeId(class_def.class_idx_); |
| const char* descriptor = dex_file->StringDataByIdx(class_type_id.descriptor_idx_); |
| |
| ScopedObjectAccess soa(Thread::Current()); |
| mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()); |
| mirror::Class* klass = manager->GetClassLinker()->FindClass(descriptor, class_loader); |
| if (klass != NULL) { |
| // Only try to initialize classes that were successfully verified. |
| if (klass->IsVerified()) { |
| // Attempt to initialize the class but bail if we either need to initialize the super-class |
| // or static fields. |
| manager->GetClassLinker()->EnsureInitialized(klass, false, false); |
| if (!klass->IsInitialized()) { |
| // We don't want non-trivial class initialization occurring on multiple threads due to |
| // deadlock problems. For example, a parent class is initialized (holding its lock) that |
| // refers to a sub-class in its static/class initializer causing it to try to acquire the |
| // sub-class' lock. While on a second thread the sub-class is initialized (holding its lock) |
| // after first initializing its parents, whose locks are acquired. This leads to a |
| // parent-to-child and a child-to-parent lock ordering and consequent potential deadlock. |
| // We need to use an ObjectLock due to potential suspension in the interpreting code. Rather |
| // than use a special Object for the purpose we use the Class of java.lang.Class. |
| ObjectLock lock(soa.Self(), klass->GetClass()); |
| // Attempt to initialize allowing initialization of parent classes but still not static |
| // fields. |
| manager->GetClassLinker()->EnsureInitialized(klass, false, true); |
| if (!klass->IsInitialized()) { |
| // We need to initialize static fields, we only do this for image classes that aren't |
| // black listed or marked with the $NoPreloadHolder. |
| bool can_init_static_fields = manager->GetCompiler()->IsImage() && |
| manager->GetCompiler()->IsImageClass(descriptor); |
| if (can_init_static_fields) { |
| // NoPreloadHolder inner class implies this should not be initialized early. |
| bool is_black_listed = StringPiece(descriptor).ends_with("$NoPreloadHolder;"); |
| if (!is_black_listed) { |
| for (size_t i = 0; i < arraysize(class_initializer_black_list); ++i) { |
| if (strcmp(descriptor, class_initializer_black_list[i]) == 0) { |
| is_black_listed = true; |
| break; |
| } |
| } |
| } |
| if (!is_black_listed) { |
| VLOG(compiler) << "Initializing: " << descriptor; |
| if (strcmp("Ljava/lang/Void;", descriptor) == 0) { |
| // Hand initialize j.l.Void to avoid Dex file operations in un-started runtime. |
| ObjectLock lock(soa.Self(), klass); |
| mirror::ObjectArray<mirror::ArtField>* fields = klass->GetSFields(); |
| CHECK_EQ(fields->GetLength(), 1); |
| fields->Get(0)->SetObj(klass, manager->GetClassLinker()->FindPrimitiveClass('V')); |
| klass->SetStatus(mirror::Class::kStatusInitialized, soa.Self()); |
| } else { |
| manager->GetClassLinker()->EnsureInitialized(klass, true, true); |
| } |
| } |
| } |
| } |
| soa.Self()->AssertNoPendingException(); |
| } |
| // If successfully initialized place in SSB array. |
| if (klass->IsInitialized()) { |
| int32_t ssb_index = klass->GetDexTypeIndex(); |
| klass->GetDexCache()->GetInitializedStaticStorage()->Set(ssb_index, klass); |
| } |
| } |
| // Record the final class status if necessary. |
| ClassReference ref(manager->GetDexFile(), class_def_index); |
| manager->GetCompiler()->RecordClassStatus(ref, klass->GetStatus()); |
| } |
| // Clear any class not found or verification exceptions. |
| soa.Self()->ClearException(); |
| } |
| |
| void CompilerDriver::InitializeClasses(jobject jni_class_loader, const DexFile& dex_file, |
| ThreadPool& thread_pool, base::TimingLogger& timings) { |
| timings.NewSplit("InitializeNoClinit"); |
| #ifndef NDEBUG |
| // Sanity check blacklist descriptors. |
| if (IsImage()) { |
| for (size_t i = 0; i < arraysize(class_initializer_black_list); ++i) { |
| const char* descriptor = class_initializer_black_list[i]; |
| CHECK(IsValidDescriptor(descriptor)) << descriptor; |
| } |
| } |
| #endif |
| ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| ParallelCompilationManager context(class_linker, jni_class_loader, this, &dex_file, thread_pool); |
| context.ForAll(0, dex_file.NumClassDefs(), InitializeClass, thread_count_); |
| } |
| |
| void CompilerDriver::InitializeClasses(jobject class_loader, |
| const std::vector<const DexFile*>& dex_files, |
| ThreadPool& thread_pool, base::TimingLogger& timings) { |
| for (size_t i = 0; i != dex_files.size(); ++i) { |
| const DexFile* dex_file = dex_files[i]; |
| CHECK(dex_file != NULL); |
| InitializeClasses(class_loader, *dex_file, thread_pool, timings); |
| } |
| } |
| |
| void CompilerDriver::Compile(jobject class_loader, const std::vector<const DexFile*>& dex_files, |
| ThreadPool& thread_pool, base::TimingLogger& timings) { |
| for (size_t i = 0; i != dex_files.size(); ++i) { |
| const DexFile* dex_file = dex_files[i]; |
| CHECK(dex_file != NULL); |
| CompileDexFile(class_loader, *dex_file, thread_pool, timings); |
| } |
| } |
| |
| void CompilerDriver::CompileClass(const ParallelCompilationManager* manager, size_t class_def_index) { |
| ATRACE_CALL(); |
| jobject jclass_loader = manager->GetClassLoader(); |
| const DexFile& dex_file = *manager->GetDexFile(); |
| const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| ClassLinker* class_linker = manager->GetClassLinker(); |
| if (SkipClass(class_linker, jclass_loader, dex_file, class_def)) { |
| return; |
| } |
| ClassReference ref(&dex_file, class_def_index); |
| // Skip compiling classes with generic verifier failures since they will still fail at runtime |
| if (verifier::MethodVerifier::IsClassRejected(ref)) { |
| return; |
| } |
| const byte* class_data = dex_file.GetClassData(class_def); |
| if (class_data == NULL) { |
| // empty class, probably a marker interface |
| return; |
| } |
| |
| // Can we run DEX-to-DEX compiler on this class ? |
| DexToDexCompilationLevel dex_to_dex_compilation_level = kDontDexToDexCompile; |
| { |
| ScopedObjectAccess soa(Thread::Current()); |
| mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader); |
| dex_to_dex_compilation_level = GetDexToDexCompilationlevel(class_loader, dex_file, class_def); |
| } |
| ClassDataItemIterator it(dex_file, class_data); |
| // Skip fields |
| while (it.HasNextStaticField()) { |
| it.Next(); |
| } |
| while (it.HasNextInstanceField()) { |
| it.Next(); |
| } |
| CompilerDriver* driver = manager->GetCompiler(); |
| // Compile direct methods |
| int64_t previous_direct_method_idx = -1; |
| while (it.HasNextDirectMethod()) { |
| uint32_t method_idx = it.GetMemberIndex(); |
| if (method_idx == previous_direct_method_idx) { |
| // smali can create dex files with two encoded_methods sharing the same method_idx |
| // http://code.google.com/p/smali/issues/detail?id=119 |
| it.Next(); |
| continue; |
| } |
| previous_direct_method_idx = method_idx; |
| driver->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), |
| it.GetMethodInvokeType(class_def), class_def_index, |
| method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level); |
| it.Next(); |
| } |
| // Compile virtual methods |
| int64_t previous_virtual_method_idx = -1; |
| while (it.HasNextVirtualMethod()) { |
| uint32_t method_idx = it.GetMemberIndex(); |
| if (method_idx == previous_virtual_method_idx) { |
| // smali can create dex files with two encoded_methods sharing the same method_idx |
| // http://code.google.com/p/smali/issues/detail?id=119 |
| it.Next(); |
| continue; |
| } |
| previous_virtual_method_idx = method_idx; |
| driver->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), |
| it.GetMethodInvokeType(class_def), class_def_index, |
| method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level); |
| it.Next(); |
| } |
| DCHECK(!it.HasNext()); |
| } |
| |
| void CompilerDriver::CompileDexFile(jobject class_loader, const DexFile& dex_file, |
| ThreadPool& thread_pool, base::TimingLogger& timings) { |
| timings.NewSplit("Compile Dex File"); |
| ParallelCompilationManager context(Runtime::Current()->GetClassLinker(), class_loader, this, |
| &dex_file, thread_pool); |
| context.ForAll(0, dex_file.NumClassDefs(), CompilerDriver::CompileClass, thread_count_); |
| } |
| |
| void CompilerDriver::CompileMethod(const DexFile::CodeItem* code_item, uint32_t access_flags, |
| InvokeType invoke_type, uint16_t class_def_idx, |
| uint32_t method_idx, jobject class_loader, |
| const DexFile& dex_file, |
| DexToDexCompilationLevel dex_to_dex_compilation_level) { |
| CompiledMethod* compiled_method = NULL; |
| uint64_t start_ns = NanoTime(); |
| |
| if ((access_flags & kAccNative) != 0) { |
| compiled_method = (*jni_compiler_)(*this, access_flags, method_idx, dex_file); |
| CHECK(compiled_method != NULL); |
| } else if ((access_flags & kAccAbstract) != 0) { |
| } else { |
| MethodReference method_ref(&dex_file, method_idx); |
| bool compile = verifier::MethodVerifier::IsCandidateForCompilation(method_ref, access_flags); |
| |
| if (compile) { |
| CompilerFn compiler = compiler_; |
| #ifdef ART_SEA_IR_MODE |
| bool use_sea = Runtime::Current()->IsSeaIRMode(); |
| use_sea = use_sea && |
| (std::string::npos != PrettyMethod(method_idx, dex_file).find("fibonacci")); |
| if (use_sea) { |
| compiler = sea_ir_compiler_; |
| LOG(INFO) << "Using SEA IR to compile..." << std::endl; |
| } |
| #endif |
| // NOTE: if compiler declines to compile this method, it will return NULL. |
| compiled_method = (*compiler)(*this, code_item, access_flags, invoke_type, class_def_idx, |
| method_idx, class_loader, dex_file); |
| } else if (dex_to_dex_compilation_level != kDontDexToDexCompile) { |
| // TODO: add a mode to disable DEX-to-DEX compilation ? |
| (*dex_to_dex_compiler_)(*this, code_item, access_flags, |
| invoke_type, class_def_idx, |
| method_idx, class_loader, dex_file, |
| dex_to_dex_compilation_level); |
| } |
| } |
| uint64_t duration_ns = NanoTime() - start_ns; |
| #ifdef ART_USE_PORTABLE_COMPILER |
| const uint64_t kWarnMilliSeconds = 1000; |
| #else |
| const uint64_t kWarnMilliSeconds = 100; |
| #endif |
| if (duration_ns > MsToNs(kWarnMilliSeconds)) { |
| LOG(WARNING) << "Compilation of " << PrettyMethod(method_idx, dex_file) |
| << " took " << PrettyDuration(duration_ns); |
| } |
| |
| Thread* self = Thread::Current(); |
| if (compiled_method != NULL) { |
| MethodReference ref(&dex_file, method_idx); |
| DCHECK(GetCompiledMethod(ref) == NULL) << PrettyMethod(method_idx, dex_file); |
| { |
| MutexLock mu(self, compiled_methods_lock_); |
| compiled_methods_.Put(ref, compiled_method); |
| } |
| DCHECK(GetCompiledMethod(ref) != NULL) << PrettyMethod(method_idx, dex_file); |
| } |
| |
| if (self->IsExceptionPending()) { |
| ScopedObjectAccess soa(self); |
| LOG(FATAL) << "Unexpected exception compiling: " << PrettyMethod(method_idx, dex_file) << "\n" |
| << self->GetException(NULL)->Dump(); |
| } |
| } |
| |
| CompiledClass* CompilerDriver::GetCompiledClass(ClassReference ref) const { |
| MutexLock mu(Thread::Current(), compiled_classes_lock_); |
| ClassTable::const_iterator it = compiled_classes_.find(ref); |
| if (it == compiled_classes_.end()) { |
| return NULL; |
| } |
| CHECK(it->second != NULL); |
| return it->second; |
| } |
| |
| void CompilerDriver::RecordClassStatus(ClassReference ref, mirror::Class::Status status) { |
| MutexLock mu(Thread::Current(), compiled_classes_lock_); |
| auto it = compiled_classes_.find(ref); |
| if (it == compiled_classes_.end() || it->second->GetStatus() != status) { |
| // An entry doesn't exist or the status is lower than the new status. |
| if (it != compiled_classes_.end()) { |
| CHECK_GT(status, it->second->GetStatus()); |
| delete it->second; |
| } |
| switch (status) { |
| case mirror::Class::kStatusNotReady: |
| case mirror::Class::kStatusError: |
| case mirror::Class::kStatusRetryVerificationAtRuntime: |
| case mirror::Class::kStatusVerified: |
| case mirror::Class::kStatusInitialized: |
| break; // Expected states. |
| default: |
| LOG(FATAL) << "Unexpected class status for class " |
| << PrettyDescriptor(ref.first->GetClassDescriptor(ref.first->GetClassDef(ref.second))) |
| << " of " << status; |
| } |
| CompiledClass* compiled_class = new CompiledClass(status); |
| compiled_classes_.Overwrite(ref, compiled_class); |
| } |
| } |
| |
| CompiledMethod* CompilerDriver::GetCompiledMethod(MethodReference ref) const { |
| MutexLock mu(Thread::Current(), compiled_methods_lock_); |
| MethodTable::const_iterator it = compiled_methods_.find(ref); |
| if (it == compiled_methods_.end()) { |
| return NULL; |
| } |
| CHECK(it->second != NULL); |
| return it->second; |
| } |
| |
| void CompilerDriver::SetBitcodeFileName(std::string const& filename) { |
| typedef void (*SetBitcodeFileNameFn)(CompilerDriver&, std::string const&); |
| |
| SetBitcodeFileNameFn set_bitcode_file_name = |
| reinterpret_cast<SetBitcodeFileNameFn>(compilerLLVMSetBitcodeFileName); |
| |
| set_bitcode_file_name(*this, filename); |
| } |
| |
| |
| void CompilerDriver::AddRequiresConstructorBarrier(Thread* self, const DexFile* dex_file, |
| uint16_t class_def_index) { |
| WriterMutexLock mu(self, freezing_constructor_lock_); |
| freezing_constructor_classes_.insert(ClassReference(dex_file, class_def_index)); |
| } |
| |
| bool CompilerDriver::RequiresConstructorBarrier(Thread* self, const DexFile* dex_file, |
| uint16_t class_def_index) { |
| ReaderMutexLock mu(self, freezing_constructor_lock_); |
| return freezing_constructor_classes_.count(ClassReference(dex_file, class_def_index)) != 0; |
| } |
| |
| bool CompilerDriver::WriteElf(const std::string& android_root, |
| bool is_host, |
| const std::vector<const art::DexFile*>& dex_files, |
| OatWriter& oat_writer, |
| art::File* file) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| #if defined(ART_USE_PORTABLE_COMPILER) |
| return art::ElfWriterMclinker::Create(file, oat_writer, dex_files, android_root, is_host, *this); |
| #else |
| return art::ElfWriterQuick::Create(file, oat_writer, dex_files, android_root, is_host, *this); |
| #endif |
| } |
| void CompilerDriver::InstructionSetToLLVMTarget(InstructionSet instruction_set, |
| std::string& target_triple, |
| std::string& target_cpu, |
| std::string& target_attr) { |
| switch (instruction_set) { |
| case kThumb2: |
| target_triple = "thumb-none-linux-gnueabi"; |
| target_cpu = "cortex-a9"; |
| target_attr = "+thumb2,+neon,+neonfp,+vfp3,+db"; |
| break; |
| |
| case kArm: |
| target_triple = "armv7-none-linux-gnueabi"; |
| // TODO: Fix for Nexus S. |
| target_cpu = "cortex-a9"; |
| // TODO: Fix for Xoom. |
| target_attr = "+v7,+neon,+neonfp,+vfp3,+db"; |
| break; |
| |
| case kX86: |
| target_triple = "i386-pc-linux-gnu"; |
| target_attr = ""; |
| break; |
| |
| case kMips: |
| target_triple = "mipsel-unknown-linux"; |
| target_attr = "mips32r2"; |
| break; |
| |
| default: |
| LOG(FATAL) << "Unknown instruction set: " << instruction_set; |
| } |
| } |
| } // namespace art |