| /* |
| * 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. |
| */ |
| |
| #ifndef ART_RUNTIME_CLASS_LINKER_H_ |
| #define ART_RUNTIME_CLASS_LINKER_H_ |
| |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "base/mutex.h" |
| #include "dex_file.h" |
| #include "gtest/gtest.h" |
| #include "root_visitor.h" |
| #include "oat_file.h" |
| |
| namespace art { |
| namespace gc { |
| namespace space { |
| class ImageSpace; |
| } // namespace space |
| } // namespace gc |
| namespace mirror { |
| class ClassLoader; |
| class DexCache; |
| class DexCacheTest_Open_Test; |
| class IfTable; |
| template<class T> class ObjectArray; |
| class StackTraceElement; |
| } // namespace mirror |
| |
| class InternTable; |
| class ObjectLock; |
| template<class T> class SirtRef; |
| |
| typedef bool (ClassVisitor)(mirror::Class* c, void* arg); |
| |
| class ClassLinker { |
| public: |
| // Creates the class linker by bootstrapping from dex files. |
| static ClassLinker* CreateFromCompiler(const std::vector<const DexFile*>& boot_class_path, |
| InternTable* intern_table) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Creates the class linker from an image. |
| static ClassLinker* CreateFromImage(InternTable* intern_table) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| ~ClassLinker(); |
| |
| // Finds a class by its descriptor, loading it if necessary. |
| // If class_loader is null, searches boot_class_path_. |
| mirror::Class* FindClass(const char* descriptor, mirror::ClassLoader* class_loader) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| mirror::Class* FindSystemClass(const char* descriptor) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Define a new a class based on a ClassDef from a DexFile |
| mirror::Class* DefineClass(const StringPiece& descriptor, mirror::ClassLoader* class_loader, |
| const DexFile& dex_file, const DexFile::ClassDef& dex_class_def) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Finds a class by its descriptor, returning NULL if it isn't wasn't loaded |
| // by the given 'class_loader'. |
| mirror::Class* LookupClass(const char* descriptor, const mirror::ClassLoader* class_loader) |
| LOCKS_EXCLUDED(Locks::classlinker_classes_lock_) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Finds all the classes with the given descriptor, regardless of ClassLoader. |
| void LookupClasses(const char* descriptor, std::vector<mirror::Class*>& classes) |
| LOCKS_EXCLUDED(Locks::classlinker_classes_lock_) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| mirror::Class* FindPrimitiveClass(char type) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // General class unloading is not supported, this is used to prune |
| // unwanted classes during image writing. |
| bool RemoveClass(const char* descriptor, const mirror::ClassLoader* class_loader) |
| LOCKS_EXCLUDED(Locks::classlinker_classes_lock_) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| void DumpAllClasses(int flags) const |
| LOCKS_EXCLUDED(Locks::classlinker_classes_lock_) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| void DumpForSigQuit(std::ostream& os) const |
| LOCKS_EXCLUDED(Locks::classlinker_classes_lock_); |
| |
| size_t NumLoadedClasses() const LOCKS_EXCLUDED(Locks::classlinker_classes_lock_); |
| |
| // Resolve a String with the given index from the DexFile, storing the |
| // result in the DexCache. The referrer is used to identify the |
| // target DexCache and ClassLoader to use for resolution. |
| mirror::String* ResolveString(uint32_t string_idx, const mirror::ArtMethod* referrer) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Resolve a String with the given index from the DexFile, storing the |
| // result in the DexCache. |
| mirror::String* ResolveString(const DexFile& dex_file, uint32_t string_idx, |
| mirror::DexCache* dex_cache) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Resolve a Type with the given index from the DexFile, storing the |
| // result in the DexCache. The referrer is used to identity the |
| // target DexCache and ClassLoader to use for resolution. |
| mirror::Class* ResolveType(const DexFile& dex_file, uint16_t type_idx, |
| const mirror::Class* referrer) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| return ResolveType(dex_file, |
| type_idx, |
| referrer->GetDexCache(), |
| referrer->GetClassLoader()); |
| } |
| |
| // Resolve a Type with the given index from the DexFile, storing the |
| // result in the DexCache. The referrer is used to identify the |
| // target DexCache and ClassLoader to use for resolution. |
| mirror::Class* ResolveType(uint16_t type_idx, const mirror::ArtMethod* referrer) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| mirror::Class* ResolveType(uint16_t type_idx, const mirror::ArtField* referrer) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Resolve a type with the given ID from the DexFile, storing the |
| // result in DexCache. The ClassLoader is used to search for the |
| // type, since it may be referenced from but not contained within |
| // the given DexFile. |
| mirror::Class* ResolveType(const DexFile& dex_file, |
| uint16_t type_idx, |
| mirror::DexCache* dex_cache, |
| mirror::ClassLoader* class_loader) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Resolve a method with a given ID from the DexFile, storing the |
| // result in DexCache. The ClassLinker and ClassLoader are used as |
| // in ResolveType. What is unique is the method type argument which |
| // is used to determine if this method is a direct, static, or |
| // virtual method. |
| mirror::ArtMethod* ResolveMethod(const DexFile& dex_file, |
| uint32_t method_idx, |
| mirror::DexCache* dex_cache, |
| mirror::ClassLoader* class_loader, |
| const mirror::ArtMethod* referrer, |
| InvokeType type) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| mirror::ArtMethod* ResolveMethod(uint32_t method_idx, const mirror::ArtMethod* referrer, |
| InvokeType type) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| mirror::ArtField* ResolveField(uint32_t field_idx, const mirror::ArtMethod* referrer, |
| bool is_static) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Resolve a field with a given ID from the DexFile, storing the |
| // result in DexCache. The ClassLinker and ClassLoader are used as |
| // in ResolveType. What is unique is the is_static argument which is |
| // used to determine if we are resolving a static or non-static |
| // field. |
| mirror::ArtField* ResolveField(const DexFile& dex_file, |
| uint32_t field_idx, |
| mirror::DexCache* dex_cache, |
| mirror::ClassLoader* class_loader, |
| bool is_static) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Resolve a field with a given ID from the DexFile, storing the |
| // result in DexCache. The ClassLinker and ClassLoader are used as |
| // in ResolveType. No is_static argument is provided so that Java |
| // field resolution semantics are followed. |
| mirror::ArtField* ResolveFieldJLS(const DexFile& dex_file, |
| uint32_t field_idx, |
| mirror::DexCache* dex_cache, |
| mirror::ClassLoader* class_loader) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Get shorty from method index without resolution. Used to do handlerization. |
| const char* MethodShorty(uint32_t method_idx, mirror::ArtMethod* referrer, uint32_t* length) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Returns true on success, false if there's an exception pending. |
| // can_run_clinit=false allows the compiler to attempt to init a class, |
| // given the restriction that no <clinit> execution is possible. |
| bool EnsureInitialized(mirror::Class* c, bool can_run_clinit, bool can_init_fields) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Initializes classes that have instances in the image but that have |
| // <clinit> methods so they could not be initialized by the compiler. |
| void RunRootClinits() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| void RegisterDexFile(const DexFile& dex_file) |
| LOCKS_EXCLUDED(dex_lock_) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| void RegisterDexFile(const DexFile& dex_file, SirtRef<mirror::DexCache>& dex_cache) |
| LOCKS_EXCLUDED(dex_lock_) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| void RegisterOatFile(const OatFile& oat_file) |
| LOCKS_EXCLUDED(dex_lock_); |
| |
| const std::vector<const DexFile*>& GetBootClassPath() { |
| return boot_class_path_; |
| } |
| |
| void VisitClasses(ClassVisitor* visitor, void* arg) const |
| LOCKS_EXCLUDED(Locks::classlinker_classes_lock_); |
| // Less efficient variant of VisitClasses that doesn't hold the classlinker_classes_lock_ |
| // when calling the visitor. |
| void VisitClassesWithoutClassesLock(ClassVisitor* visitor, void* arg) const |
| LOCKS_EXCLUDED(Locks::classlinker_classes_lock_); |
| |
| void VisitRoots(RootVisitor* visitor, void* arg, bool clean_dirty) |
| LOCKS_EXCLUDED(Locks::classlinker_classes_lock_, dex_lock_); |
| |
| mirror::DexCache* FindDexCache(const DexFile& dex_file) const |
| LOCKS_EXCLUDED(dex_lock_) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| bool IsDexFileRegistered(const DexFile& dex_file) const |
| LOCKS_EXCLUDED(dex_lock_); |
| void FixupDexCaches(mirror::ArtMethod* resolution_method) const |
| LOCKS_EXCLUDED(dex_lock_) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Generate an oat file from a dex file |
| bool GenerateOatFile(const std::string& dex_filename, |
| int oat_fd, |
| const std::string& oat_cache_filename); |
| |
| const OatFile* FindOatFileFromOatLocation(const std::string& location) |
| LOCKS_EXCLUDED(dex_lock_); |
| |
| const OatFile* FindOatFileFromOatLocationLocked(const std::string& location) |
| SHARED_LOCKS_REQUIRED(dex_lock_); |
| |
| // Finds the oat file for a dex location, generating the oat file if |
| // it is missing or out of date. Returns the DexFile from within the |
| // created oat file. |
| const DexFile* FindOrCreateOatFileForDexLocation(const std::string& dex_location, |
| const std::string& oat_location) |
| LOCKS_EXCLUDED(dex_lock_) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| const DexFile* FindOrCreateOatFileForDexLocationLocked(const std::string& dex_location, |
| const std::string& oat_location) |
| EXCLUSIVE_LOCKS_REQUIRED(dex_lock_) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| // Find a DexFile within an OatFile given a DexFile location. Note |
| // that this returns null if the location checksum of the DexFile |
| // does not match the OatFile. |
| const DexFile* FindDexFileInOatFileFromDexLocation(const std::string& location) |
| LOCKS_EXCLUDED(dex_lock_) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| |
| // Returns true if oat file contains the dex file with the given location and checksum. |
| static bool VerifyOatFileChecksums(const OatFile* oat_file, |
| const std::string& dex_location, |
| uint32_t dex_location_checksum) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // TODO: replace this with multiple methods that allocate the correct managed type. |
| template <class T> |
| mirror::ObjectArray<T>* AllocObjectArray(Thread* self, size_t length) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| mirror::ObjectArray<mirror::Class>* AllocClassArray(Thread* self, size_t length) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| mirror::ObjectArray<mirror::String>* AllocStringArray(Thread* self, size_t length) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| mirror::ObjectArray<mirror::ArtMethod>* AllocArtMethodArray(Thread* self, size_t length) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| mirror::IfTable* AllocIfTable(Thread* self, size_t ifcount) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| mirror::ObjectArray<mirror::ArtField>* AllocArtFieldArray(Thread* self, size_t length) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| mirror::ObjectArray<mirror::StackTraceElement>* AllocStackTraceElementArray(Thread* self, |
| size_t length) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| void VerifyClass(mirror::Class* klass) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| bool VerifyClassUsingOatFile(const DexFile& dex_file, mirror::Class* klass, |
| mirror::Class::Status& oat_file_class_status) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| void ResolveClassExceptionHandlerTypes(const DexFile& dex_file, mirror::Class* klass) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| void ResolveMethodExceptionHandlerTypes(const DexFile& dex_file, mirror::ArtMethod* klass) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| mirror::Class* CreateProxyClass(mirror::String* name, mirror::ObjectArray<mirror::Class>* interfaces, |
| mirror::ClassLoader* loader, |
| mirror::ObjectArray<mirror::ArtMethod>* methods, |
| mirror::ObjectArray<mirror::ObjectArray<mirror::Class> >* throws) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| std::string GetDescriptorForProxy(const mirror::Class* proxy_class) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| mirror::ArtMethod* FindMethodForProxy(const mirror::Class* proxy_class, |
| const mirror::ArtMethod* proxy_method) |
| LOCKS_EXCLUDED(dex_lock_) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Get the oat code for a method when its class isn't yet initialized |
| const void* GetOatCodeFor(const mirror::ArtMethod* method) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Get the oat code for a method from a method index. |
| const void* GetOatCodeFor(const DexFile& dex_file, uint32_t method_idx) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| pid_t GetClassesLockOwner(); // For SignalCatcher. |
| pid_t GetDexLockOwner(); // For SignalCatcher. |
| |
| bool IsDirty() const { |
| return is_dirty_; |
| } |
| |
| void Dirty() { |
| is_dirty_ = true; |
| } |
| |
| const void* GetPortableResolutionTrampoline() const { |
| return portable_resolution_trampoline_; |
| } |
| |
| const void* GetQuickResolutionTrampoline() const { |
| return quick_resolution_trampoline_; |
| } |
| |
| InternTable* GetInternTable() const { |
| return intern_table_; |
| } |
| |
| // Attempts to insert a class into a class table. Returns NULL if |
| // the class was inserted, otherwise returns an existing class with |
| // the same descriptor and ClassLoader. |
| mirror::Class* InsertClass(const StringPiece& descriptor, mirror::Class* klass, bool image_class) |
| LOCKS_EXCLUDED(Locks::classlinker_classes_lock_) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| private: |
| explicit ClassLinker(InternTable*); |
| |
| const OatFile::OatMethod GetOatMethodFor(const mirror::ArtMethod* method) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Initialize class linker by bootstraping from dex files |
| void InitFromCompiler(const std::vector<const DexFile*>& boot_class_path) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Initialize class linker from one or more images. |
| void InitFromImage() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| OatFile& GetImageOatFile(gc::space::ImageSpace* space) |
| LOCKS_EXCLUDED(dex_lock_) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| void FinishInit() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // For early bootstrapping by Init |
| mirror::Class* AllocClass(Thread* self, mirror::Class* java_lang_Class, size_t class_size) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Alloc* convenience functions to avoid needing to pass in mirror::Class* |
| // values that are known to the ClassLinker such as |
| // kObjectArrayClass and kJavaLangString etc. |
| mirror::Class* AllocClass(Thread* self, size_t class_size) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| mirror::DexCache* AllocDexCache(Thread* self, const DexFile& dex_file) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| mirror::ArtField* AllocArtField(Thread* self) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| mirror::ArtMethod* AllocArtMethod(Thread* self) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| mirror::Class* CreatePrimitiveClass(Thread* self, Primitive::Type type) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| mirror::Class* InitializePrimitiveClass(mirror::Class* primitive_class, Primitive::Type type) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| |
| mirror::Class* CreateArrayClass(const std::string& descriptor, mirror::ClassLoader* class_loader) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| void AppendToBootClassPath(const DexFile& dex_file) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| void AppendToBootClassPath(const DexFile& dex_file, SirtRef<mirror::DexCache>& dex_cache) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| void ConstructFieldMap(const DexFile& dex_file, const DexFile::ClassDef& dex_class_def, |
| mirror::Class* c, SafeMap<uint32_t, mirror::ArtField*>& field_map) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| size_t SizeOfClass(const DexFile& dex_file, |
| const DexFile::ClassDef& dex_class_def); |
| |
| void LoadClass(const DexFile& dex_file, |
| const DexFile::ClassDef& dex_class_def, |
| SirtRef<mirror::Class>& klass, |
| mirror::ClassLoader* class_loader) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| void LoadField(const DexFile& dex_file, const ClassDataItemIterator& it, |
| SirtRef<mirror::Class>& klass, SirtRef<mirror::ArtField>& dst) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| mirror::ArtMethod* LoadMethod(Thread* self, const DexFile& dex_file, |
| const ClassDataItemIterator& dex_method, |
| SirtRef<mirror::Class>& klass) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| void FixupStaticTrampolines(mirror::Class* klass) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // Finds the associated oat class for a dex_file and descriptor |
| const OatFile::OatClass* GetOatClass(const DexFile& dex_file, const char* descriptor) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| void RegisterDexFileLocked(const DexFile& dex_file, SirtRef<mirror::DexCache>& dex_cache) |
| EXCLUSIVE_LOCKS_REQUIRED(dex_lock_) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| bool IsDexFileRegisteredLocked(const DexFile& dex_file) const SHARED_LOCKS_REQUIRED(dex_lock_); |
| void RegisterOatFileLocked(const OatFile& oat_file) EXCLUSIVE_LOCKS_REQUIRED(dex_lock_) |
| EXCLUSIVE_LOCKS_REQUIRED(dex_lock_); |
| |
| bool InitializeClass(mirror::Class* klass, bool can_run_clinit, bool can_init_statics) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| bool WaitForInitializeClass(mirror::Class* klass, Thread* self, ObjectLock& lock); |
| bool ValidateSuperClassDescriptors(const mirror::Class* klass) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| bool InitializeSuperClass(mirror::Class* klass, bool can_run_clinit, bool can_init_fields) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| // Initialize static fields, returns true if fields were initialized. |
| bool InitializeStaticFields(mirror::Class* klass) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| bool IsSameDescriptorInDifferentClassContexts(const char* descriptor, |
| const mirror::Class* klass1, |
| const mirror::Class* klass2) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| bool IsSameMethodSignatureInDifferentClassContexts(const mirror::ArtMethod* method, |
| const mirror::Class* klass1, |
| const mirror::Class* klass2) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| bool LinkClass(SirtRef<mirror::Class>& klass, mirror::ObjectArray<mirror::Class>* interfaces) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| bool LinkSuperClass(SirtRef<mirror::Class>& klass) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| bool LoadSuperAndInterfaces(SirtRef<mirror::Class>& klass, const DexFile& dex_file) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| bool LinkMethods(SirtRef<mirror::Class>& klass, mirror::ObjectArray<mirror::Class>* interfaces) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| bool LinkVirtualMethods(SirtRef<mirror::Class>& klass) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| bool LinkInterfaceMethods(SirtRef<mirror::Class>& klass, |
| mirror::ObjectArray<mirror::Class>* interfaces) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| bool LinkStaticFields(SirtRef<mirror::Class>& klass) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| bool LinkInstanceFields(SirtRef<mirror::Class>& klass) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| bool LinkFields(SirtRef<mirror::Class>& klass, bool is_static) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| |
| void CreateReferenceInstanceOffsets(SirtRef<mirror::Class>& klass) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| void CreateReferenceStaticOffsets(SirtRef<mirror::Class>& klass) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| void CreateReferenceOffsets(SirtRef<mirror::Class>& klass, bool is_static, |
| uint32_t reference_offsets) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| // For use by ImageWriter to find DexCaches for its roots |
| const std::vector<mirror::DexCache*>& GetDexCaches() { |
| return dex_caches_; |
| } |
| |
| const OatFile* FindOpenedOatFileForDexFile(const DexFile& dex_file) |
| LOCKS_EXCLUDED(dex_lock_) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| const OatFile* FindOpenedOatFileFromDexLocation(const std::string& dex_location) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_, dex_lock_); |
| const OatFile* FindOpenedOatFileFromOatLocation(const std::string& oat_location) |
| SHARED_LOCKS_REQUIRED(dex_lock_); |
| const DexFile* FindDexFileInOatLocation(const std::string& dex_location, |
| uint32_t dex_location_checksum, |
| const std::string& oat_location) |
| EXCLUSIVE_LOCKS_REQUIRED(dex_lock_) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| const DexFile* VerifyAndOpenDexFileFromOatFile(const OatFile* oat_file, |
| const std::string& dex_location, |
| uint32_t dex_location_checksum) |
| EXCLUSIVE_LOCKS_REQUIRED(dex_lock_) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| mirror::ArtMethod* CreateProxyConstructor(Thread* self, SirtRef<mirror::Class>& klass, |
| mirror::Class* proxy_class) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| mirror::ArtMethod* CreateProxyMethod(Thread* self, SirtRef<mirror::Class>& klass, |
| SirtRef<mirror::ArtMethod>& prototype) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| std::vector<const DexFile*> boot_class_path_; |
| |
| mutable ReaderWriterMutex dex_lock_ DEFAULT_MUTEX_ACQUIRED_AFTER; |
| std::vector<mirror::DexCache*> dex_caches_ GUARDED_BY(dex_lock_); |
| std::vector<const OatFile*> oat_files_ GUARDED_BY(dex_lock_); |
| |
| |
| // multimap from a string hash code of a class descriptor to |
| // mirror::Class* instances. Results should be compared for a matching |
| // Class::descriptor_ and Class::class_loader_. |
| typedef std::multimap<size_t, mirror::Class*> Table; |
| Table image_classes_ GUARDED_BY(Locks::classlinker_classes_lock_); |
| Table classes_ GUARDED_BY(Locks::classlinker_classes_lock_); |
| |
| mirror::Class* LookupClassLocked(const char* descriptor, const mirror::ClassLoader* class_loader, |
| size_t hash, const Table& classes) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_, Locks::classlinker_classes_lock_); |
| |
| // indexes into class_roots_. |
| // needs to be kept in sync with class_roots_descriptors_. |
| enum ClassRoot { |
| kJavaLangClass, |
| kJavaLangObject, |
| kClassArrayClass, |
| kObjectArrayClass, |
| kJavaLangString, |
| kJavaLangDexCache, |
| kJavaLangRefReference, |
| kJavaLangReflectArtField, |
| kJavaLangReflectArtMethod, |
| kJavaLangReflectProxy, |
| kJavaLangStringArrayClass, |
| kJavaLangReflectArtFieldArrayClass, |
| kJavaLangReflectArtMethodArrayClass, |
| kJavaLangClassLoader, |
| kJavaLangThrowable, |
| kJavaLangClassNotFoundException, |
| kJavaLangStackTraceElement, |
| kPrimitiveBoolean, |
| kPrimitiveByte, |
| kPrimitiveChar, |
| kPrimitiveDouble, |
| kPrimitiveFloat, |
| kPrimitiveInt, |
| kPrimitiveLong, |
| kPrimitiveShort, |
| kPrimitiveVoid, |
| kBooleanArrayClass, |
| kByteArrayClass, |
| kCharArrayClass, |
| kDoubleArrayClass, |
| kFloatArrayClass, |
| kIntArrayClass, |
| kLongArrayClass, |
| kShortArrayClass, |
| kJavaLangStackTraceElementArrayClass, |
| kClassRootsMax, |
| }; |
| mirror::ObjectArray<mirror::Class>* class_roots_; |
| |
| mirror::Class* GetClassRoot(ClassRoot class_root) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| void SetClassRoot(ClassRoot class_root, mirror::Class* klass) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| mirror::ObjectArray<mirror::Class>* GetClassRoots() { |
| DCHECK(class_roots_ != NULL); |
| return class_roots_; |
| } |
| |
| static const char* class_roots_descriptors_[]; |
| |
| const char* GetClassRootDescriptor(ClassRoot class_root) { |
| const char* descriptor = class_roots_descriptors_[class_root]; |
| CHECK(descriptor != NULL); |
| return descriptor; |
| } |
| |
| mirror::IfTable* array_iftable_; |
| |
| bool init_done_; |
| bool is_dirty_; |
| |
| InternTable* intern_table_; |
| |
| const void* portable_resolution_trampoline_; |
| const void* quick_resolution_trampoline_; |
| |
| friend class ImageWriter; // for GetClassRoots |
| FRIEND_TEST(ClassLinkerTest, ClassRootDescriptors); |
| FRIEND_TEST(mirror::DexCacheTest, Open); |
| FRIEND_TEST(ExceptionTest, FindExceptionHandler); |
| FRIEND_TEST(ObjectTest, AllocObjectArray); |
| DISALLOW_COPY_AND_ASSIGN(ClassLinker); |
| }; |
| |
| } // namespace art |
| |
| #endif // ART_RUNTIME_CLASS_LINKER_H_ |