| // Copyright 2011 Google Inc. All Rights Reserved. |
| |
| #ifndef ART_SRC_OBJECT_H_ |
| #define ART_SRC_OBJECT_H_ |
| |
| #include <vector> |
| |
| #include "UniquePtr.h" |
| #include "casts.h" |
| #include "constants.h" |
| #include "globals.h" |
| #include "heap.h" |
| #include "logging.h" |
| #include "macros.h" |
| #include "monitor.h" |
| #include "monitor.h" |
| #include "offsets.h" |
| #include "runtime.h" |
| #include "stringpiece.h" |
| #include "thread.h" |
| #include "utf.h" |
| |
| namespace art { |
| |
| class Array; |
| class Class; |
| class ClassLoader; |
| class CodeAndDirectMethods; |
| class DexCache; |
| class Field; |
| class InterfaceEntry; |
| class Monitor; |
| class Method; |
| class Object; |
| class StaticStorageBase; |
| class String; |
| template<class T> class ObjectArray; |
| template<class T> class PrimitiveArray; |
| typedef PrimitiveArray<uint8_t> BooleanArray; |
| typedef PrimitiveArray<int8_t> ByteArray; |
| typedef PrimitiveArray<uint16_t> CharArray; |
| typedef PrimitiveArray<double> DoubleArray; |
| typedef PrimitiveArray<float> FloatArray; |
| typedef PrimitiveArray<int32_t> IntArray; |
| typedef PrimitiveArray<int64_t> LongArray; |
| typedef PrimitiveArray<int16_t> ShortArray; |
| |
| union JValue { |
| uint8_t z; |
| int8_t b; |
| uint16_t c; |
| int16_t s; |
| int32_t i; |
| int64_t j; |
| float f; |
| double d; |
| Object* l; |
| }; |
| |
| static const uint32_t kAccPublic = 0x0001; // class, field, method, ic |
| static const uint32_t kAccPrivate = 0x0002; // field, method, ic |
| static const uint32_t kAccProtected = 0x0004; // field, method, ic |
| static const uint32_t kAccStatic = 0x0008; // field, method, ic |
| static const uint32_t kAccFinal = 0x0010; // class, field, method, ic |
| static const uint32_t kAccSynchronized = 0x0020; // method (only allowed on natives) |
| static const uint32_t kAccSuper = 0x0020; // class (not used in Dalvik) |
| static const uint32_t kAccVolatile = 0x0040; // field |
| static const uint32_t kAccBridge = 0x0040; // method (1.5) |
| static const uint32_t kAccTransient = 0x0080; // field |
| static const uint32_t kAccVarargs = 0x0080; // method (1.5) |
| static const uint32_t kAccNative = 0x0100; // method |
| static const uint32_t kAccInterface = 0x0200; // class, ic |
| static const uint32_t kAccAbstract = 0x0400; // class, method, ic |
| static const uint32_t kAccStrict = 0x0800; // method |
| static const uint32_t kAccSynthetic = 0x1000; // field, method, ic |
| static const uint32_t kAccAnnotation = 0x2000; // class, ic (1.5) |
| static const uint32_t kAccEnum = 0x4000; // class, field, ic (1.5) |
| |
| static const uint32_t kAccMiranda = 0x8000; // method |
| |
| static const uint32_t kAccJavaFlagsMask = 0xffff; // bits set from Java sources (low 16) |
| |
| static const uint32_t kAccConstructor = 0x00010000; // method (Dalvik only) |
| static const uint32_t kAccDeclaredSynchronized = 0x00020000; // method (Dalvik only) |
| static const uint32_t kAccWritable = 0x80000000; // method (Dalvik only) |
| |
| static const uint32_t kAccClassFlagsMask = (kAccPublic |
| | kAccFinal |
| | kAccInterface |
| | kAccAbstract |
| | kAccSynthetic |
| | kAccAnnotation |
| | kAccEnum); |
| static const uint32_t kAccInnerClassFlagsMask = (kAccClassFlagsMask |
| | kAccPrivate |
| | kAccProtected |
| | kAccStatic); |
| static const uint32_t kAccFieldFlagsMask = (kAccPublic |
| | kAccPrivate |
| | kAccProtected |
| | kAccStatic |
| | kAccFinal |
| | kAccVolatile |
| | kAccTransient |
| | kAccSynthetic |
| | kAccEnum); |
| static const uint32_t kAccMethodFlagsMask = (kAccPublic |
| | kAccPrivate |
| | kAccProtected |
| | kAccStatic |
| | kAccFinal |
| | kAccSynchronized |
| | kAccBridge |
| | kAccVarargs |
| | kAccNative |
| | kAccAbstract |
| | kAccStrict |
| | kAccSynthetic |
| | kAccConstructor |
| | kAccDeclaredSynchronized); |
| |
| // if only kAccClassIsReference is set, we have a soft reference |
| static const uint32_t kAccClassIsReference = 0x8000000; // class is a soft/weak/phantom ref |
| static const uint32_t kAccClassIsWeakReference = 0x4000000; // class is a weak reference |
| static const uint32_t kAccClassIsFinalizerReference = 0x2000000; // class is a finalizer reference |
| static const uint32_t kAccClassIsPhantomReference = 0x1000000; // class is a phantom reference |
| |
| static const uint32_t kAccReferenceFlagsMask = (kAccClassIsReference |
| | kAccClassIsWeakReference |
| | kAccClassIsFinalizerReference |
| | kAccClassIsPhantomReference); |
| |
| /* |
| * Definitions for packing refOffsets in Class. |
| */ |
| /* |
| * A magic value for refOffsets. Ignore the bits and walk the super |
| * chain when this is the value. |
| * [This is an unlikely "natural" value, since it would be 30 non-ref instance |
| * fields followed by 2 ref instance fields.] |
| */ |
| #define CLASS_WALK_SUPER ((unsigned int)(3)) |
| #define CLASS_BITS_PER_WORD (sizeof(unsigned long int) * 8) |
| #define CLASS_OFFSET_ALIGNMENT 4 |
| #define CLASS_HIGH_BIT ((unsigned int)1 << (CLASS_BITS_PER_WORD - 1)) |
| /* |
| * Given an offset, return the bit number which would encode that offset. |
| * Local use only. |
| */ |
| #define _CLASS_BIT_NUMBER_FROM_OFFSET(byteOffset) \ |
| ((unsigned int)(byteOffset) / \ |
| CLASS_OFFSET_ALIGNMENT) |
| /* |
| * Is the given offset too large to be encoded? |
| */ |
| #define CLASS_CAN_ENCODE_OFFSET(byteOffset) \ |
| (_CLASS_BIT_NUMBER_FROM_OFFSET(byteOffset) < CLASS_BITS_PER_WORD) |
| /* |
| * Return a single bit, encoding the offset. |
| * Undefined if the offset is too large, as defined above. |
| */ |
| #define CLASS_BIT_FROM_OFFSET(byteOffset) \ |
| (CLASS_HIGH_BIT >> _CLASS_BIT_NUMBER_FROM_OFFSET(byteOffset)) |
| /* |
| * Return an offset, given a bit number as returned from CLZ. |
| */ |
| #define CLASS_OFFSET_FROM_CLZ(rshift) \ |
| MemberOffset((static_cast<int>(rshift) * CLASS_OFFSET_ALIGNMENT)) |
| |
| #define OFFSET_OF_OBJECT_MEMBER(type, field) \ |
| MemberOffset(OFFSETOF_MEMBER(type, field)) |
| |
| // C++ mirror of java.lang.Object |
| class Object { |
| public: |
| static bool InstanceOf(const Object* object, const Class* klass) { |
| if (object == NULL) { |
| return false; |
| } |
| return object->InstanceOf(klass); |
| } |
| |
| static MemberOffset ClassOffset() { |
| return OFFSET_OF_OBJECT_MEMBER(Object, klass_); |
| } |
| |
| Class* GetClass() const { |
| return |
| GetFieldObject<Class*>(OFFSET_OF_OBJECT_MEMBER(Object, klass_), false); |
| } |
| |
| void SetClass(Class* new_klass); |
| |
| bool InstanceOf(const Class* klass) const; |
| |
| size_t SizeOf() const; |
| |
| Object* Clone() { |
| UNIMPLEMENTED(FATAL); |
| return NULL; |
| } |
| |
| static MemberOffset MonitorOffset() { |
| return OFFSET_OF_OBJECT_MEMBER(Object, monitor_); |
| } |
| |
| Monitor* GetMonitor() const { |
| return GetFieldPtr<Monitor*>( |
| OFFSET_OF_OBJECT_MEMBER(Object, monitor_), false); |
| } |
| |
| void SetMonitor(Monitor* monitor) { |
| // TODO: threading - compare-and-set |
| SetFieldPtr(OFFSET_OF_OBJECT_MEMBER(Object, monitor_), monitor, false); |
| } |
| |
| void MonitorEnter(Thread* thread = NULL) { |
| // TODO: use thread to get lock id |
| GetMonitor()->Enter(); |
| } |
| |
| void MonitorExit(Thread* thread = NULL) { |
| // TODO: use thread to get lock id |
| GetMonitor()->Exit(); |
| } |
| |
| void Notify() { |
| GetMonitor()->Notify(); |
| } |
| |
| void NotifyAll() { |
| GetMonitor()->NotifyAll(); |
| } |
| |
| void Wait() { |
| GetMonitor()->Wait(); |
| } |
| |
| void Wait(int64_t timeout) { |
| GetMonitor()->Wait(timeout); |
| } |
| |
| void Wait(int64_t timeout, int32_t nanos) { |
| GetMonitor()->Wait(timeout, nanos); |
| } |
| |
| bool IsClass() const; |
| |
| Class* AsClass() { |
| DCHECK(IsClass()); |
| return down_cast<Class*>(this); |
| } |
| |
| const Class* AsClass() const { |
| DCHECK(IsClass()); |
| return down_cast<const Class*>(this); |
| } |
| |
| bool IsClassClass() const; |
| |
| bool IsObjectArray() const; |
| |
| template<class T> |
| ObjectArray<T>* AsObjectArray() { |
| DCHECK(IsObjectArray()); |
| return down_cast<ObjectArray<T>*>(this); |
| } |
| |
| template<class T> |
| const ObjectArray<T>* AsObjectArray() const { |
| DCHECK(IsObjectArray()); |
| return down_cast<const ObjectArray<T>*>(this); |
| } |
| |
| bool IsArrayInstance() const; |
| |
| Array* AsArray() { |
| DCHECK(IsArrayInstance()); |
| return down_cast<Array*>(this); |
| } |
| |
| const Array* AsArray() const { |
| DCHECK(IsArrayInstance()); |
| return down_cast<const Array*>(this); |
| } |
| |
| bool IsString() const; |
| |
| String* AsString() { |
| DCHECK(IsString()); |
| return down_cast<String*>(this); |
| } |
| |
| bool IsMethod() const; |
| |
| Method* AsMethod() { |
| DCHECK(IsMethod()); |
| return down_cast<Method*>(this); |
| } |
| |
| const Method* AsMethod() const { |
| DCHECK(IsMethod()); |
| return down_cast<const Method*>(this); |
| } |
| |
| bool IsField() const; |
| |
| Field* AsField() { |
| DCHECK(IsField()); |
| return down_cast<Field*>(this); |
| } |
| |
| const Field* AsField() const { |
| DCHECK(IsField()); |
| return down_cast<const Field*>(this); |
| } |
| |
| bool IsReferenceInstance() const; |
| |
| bool IsWeakReferenceInstance() const; |
| |
| bool IsSoftReferenceInstance() const; |
| |
| bool IsFinalizerReferenceInstance() const; |
| |
| bool IsPhantomReferenceInstance() const; |
| |
| // Accessors for Java type fields |
| template<class T> |
| T GetFieldObject(MemberOffset field_offset, bool is_volatile) const { |
| Heap::VerifyObject(this); |
| DCHECK(Thread::Current() == NULL || |
| Thread::Current()->CanAccessDirectReferences()); |
| const byte* raw_addr = reinterpret_cast<const byte*>(this) + |
| field_offset.Int32Value(); |
| if (is_volatile) { |
| UNIMPLEMENTED(WARNING); |
| } |
| T result = *reinterpret_cast<T const *>(raw_addr); |
| Heap::VerifyObject(result); |
| return result; |
| } |
| |
| void SetFieldObject(MemberOffset offset, const Object* new_value, |
| bool is_volatile) { |
| // Avoid verifying this when initializing the Class* |
| if (offset.Int32Value() != ClassOffset().Int32Value()) { |
| Heap::VerifyObject(this); |
| } |
| Heap::VerifyObject(new_value); |
| byte* raw_addr = reinterpret_cast<byte*>(this) + offset.Int32Value(); |
| if (is_volatile) { |
| UNIMPLEMENTED(WARNING); |
| } |
| *reinterpret_cast<const Object**>(raw_addr) = new_value; |
| // TODO: write barrier |
| } |
| |
| uint32_t GetField32(MemberOffset field_offset, bool is_volatile) const { |
| Heap::VerifyObject(this); |
| const byte* raw_addr = reinterpret_cast<const byte*>(this) + |
| field_offset.Int32Value(); |
| if (is_volatile) { |
| UNIMPLEMENTED(WARNING); |
| } |
| return *reinterpret_cast<const uint32_t*>(raw_addr); |
| } |
| |
| void SetField32(MemberOffset offset, uint32_t new_value, bool is_volatile) { |
| Heap::VerifyObject(this); |
| byte* raw_addr = reinterpret_cast<byte*>(this) + offset.Int32Value(); |
| if (is_volatile) { |
| UNIMPLEMENTED(WARNING); |
| } |
| *reinterpret_cast<uint32_t*>(raw_addr) = new_value; |
| } |
| |
| uint64_t GetField64(MemberOffset field_offset, bool is_volatile) const { |
| Heap::VerifyObject(this); |
| const byte* raw_addr = reinterpret_cast<const byte*>(this) + |
| field_offset.Int32Value(); |
| if (is_volatile) { |
| UNIMPLEMENTED(WARNING); |
| } |
| return *reinterpret_cast<const uint64_t*>(raw_addr); |
| } |
| |
| void SetField64(MemberOffset offset, uint64_t new_value, |
| bool is_volatile = false) { |
| Heap::VerifyObject(this); |
| byte* raw_addr = reinterpret_cast<byte*>(this) + offset.Int32Value(); |
| if (is_volatile) { |
| UNIMPLEMENTED(WARNING); |
| } |
| *reinterpret_cast<uint64_t*>(raw_addr) = new_value; |
| } |
| |
| protected: |
| // Accessors for non-Java type fields |
| uint16_t GetField16(MemberOffset field_offset, bool is_volatile) const { |
| Heap::VerifyObject(this); |
| const byte* raw_addr = reinterpret_cast<const byte*>(this) + |
| field_offset.Int32Value(); |
| if (is_volatile) { |
| UNIMPLEMENTED(WARNING); |
| } |
| return *reinterpret_cast<const uint16_t*>(raw_addr); |
| } |
| |
| void SetField16(MemberOffset offset, uint16_t new_value, bool is_volatile) { |
| Heap::VerifyObject(this); |
| byte* raw_addr = reinterpret_cast<byte*>(this) + offset.Int32Value(); |
| if (is_volatile) { |
| UNIMPLEMENTED(WARNING); |
| } |
| *reinterpret_cast<uint16_t*>(raw_addr) = new_value; |
| } |
| |
| template<class T> |
| T GetFieldPtr(MemberOffset field_offset, bool is_volatile) const { |
| Heap::VerifyObject(this); |
| const byte* raw_addr = reinterpret_cast<const byte*>(this) + |
| field_offset.Int32Value(); |
| if (is_volatile) { |
| UNIMPLEMENTED(WARNING); |
| } |
| return *reinterpret_cast<T const *>(raw_addr); |
| } |
| |
| template<typename T> |
| void SetFieldPtr(MemberOffset offset, T new_value, bool is_volatile) { |
| Heap::VerifyObject(this); |
| byte* raw_addr = reinterpret_cast<byte*>(this) + offset.Int32Value(); |
| if (is_volatile) { |
| UNIMPLEMENTED(WARNING); |
| } |
| *reinterpret_cast<T*>(raw_addr) = new_value; |
| } |
| |
| private: |
| Class* klass_; |
| |
| Monitor* monitor_; |
| |
| friend struct ObjectOffsets; // for verifying offset information |
| DISALLOW_IMPLICIT_CONSTRUCTORS(Object); |
| }; |
| |
| class ObjectLock { |
| public: |
| explicit ObjectLock(Object* object) : obj_(object) { |
| CHECK(object != NULL); |
| obj_->MonitorEnter(); |
| } |
| |
| ~ObjectLock() { |
| obj_->MonitorExit(); |
| } |
| |
| void Wait(int64_t millis = 0) { |
| return obj_->Wait(millis); |
| } |
| |
| void Notify() { |
| obj_->Notify(); |
| } |
| |
| void NotifyAll() { |
| obj_->NotifyAll(); |
| } |
| |
| private: |
| Object* obj_; |
| DISALLOW_COPY_AND_ASSIGN(ObjectLock); |
| }; |
| |
| // C++ mirror of java.lang.reflect.AccessibleObject |
| class AccessibleObject : public Object { |
| private: |
| // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
| uint32_t java_flag_; // can accessibility checks be bypassed |
| friend struct AccessibleObjectOffsets; // for verifying offset information |
| DISALLOW_IMPLICIT_CONSTRUCTORS(AccessibleObject); |
| }; |
| |
| // C++ mirror of java.lang.reflect.Field |
| class Field : public AccessibleObject { |
| public: |
| Class* GetDeclaringClass() const; |
| |
| void SetDeclaringClass(Class *new_declaring_class); |
| |
| const String* GetName() const; |
| |
| void SetName(String* new_name); |
| |
| uint32_t GetAccessFlags() const; |
| |
| void SetAccessFlags(uint32_t new_access_flags) { |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Field, access_flags_), new_access_flags, |
| false); |
| } |
| |
| bool IsStatic() const { |
| return (GetAccessFlags() & kAccStatic) != 0; |
| } |
| |
| bool IsFinal() const { |
| return (access_flags_ & kAccFinal) != 0; |
| } |
| |
| uint32_t GetTypeIdx() const; |
| |
| void SetTypeIdx(uint32_t type_idx); |
| |
| // Gets type using type index and resolved types in the dex cache, may be null |
| // if type isn't yet resolved |
| Class* GetTypeDuringLinking() const; |
| |
| // Performs full resolution, may return null and set exceptions if type cannot |
| // be resolved |
| Class* GetType() const; |
| |
| // Offset to field within an Object |
| MemberOffset GetOffset() const; |
| |
| static MemberOffset OffsetOffset() { |
| return MemberOffset(OFFSETOF_MEMBER(Field, offset_)); |
| } |
| |
| static Field* FindFieldFromCode(uint32_t field_idx, const Method* referrer); |
| |
| MemberOffset GetOffsetDuringLinking() const; |
| |
| void SetOffset(MemberOffset num_bytes); |
| |
| // field access, null object for static fields |
| bool GetBoolean(const Object* object) const; |
| void SetBoolean(Object* object, bool z) const; |
| int8_t GetByte(const Object* object) const; |
| void SetByte(Object* object, int8_t b) const; |
| uint16_t GetChar(const Object* object) const; |
| void SetChar(Object* object, uint16_t c) const; |
| uint16_t GetShort(const Object* object) const; |
| void SetShort(Object* object, uint16_t s) const; |
| int32_t GetInt(const Object* object) const; |
| void SetInt(Object* object, int32_t i) const; |
| int64_t GetLong(const Object* object) const; |
| void SetLong(Object* object, int64_t j) const; |
| float GetFloat(const Object* object) const; |
| void SetFloat(Object* object, float f) const; |
| double GetDouble(const Object* object) const; |
| void SetDouble(Object* object, double d) const; |
| Object* GetObject(const Object* object) const; |
| void SetObject(Object* object, const Object* l) const; |
| |
| // Slow path routines for static field access when field was unresolved at |
| // compile time |
| static uint32_t Get32StaticFromCode(uint32_t field_idx, |
| const Method* referrer); |
| static void Set32StaticFromCode(uint32_t field_idx, const Method* referrer, |
| uint32_t new_value); |
| static uint64_t Get64StaticFromCode(uint32_t field_idx, |
| const Method* referrer); |
| static void Set64StaticFromCode(uint32_t field_idx, const Method* referrer, |
| uint64_t new_value); |
| static Object* GetObjStaticFromCode(uint32_t field_idx, |
| const Method* referrer); |
| static void SetObjStaticFromCode(uint32_t field_idx, const Method* referrer, |
| Object* new_value); |
| |
| static Class* GetJavaLangReflectField() { |
| DCHECK(java_lang_reflect_Field_ != NULL); |
| return java_lang_reflect_Field_; |
| } |
| |
| static void SetClass(Class* java_lang_reflect_Field); |
| static void ResetClass(); |
| |
| bool IsVolatile() const { |
| return (GetAccessFlags() & kAccVolatile) != 0; |
| } |
| |
| private: |
| // private implementation of field access using raw data |
| uint32_t Get32(const Object* object) const; |
| void Set32(Object* object, uint32_t new_value) const; |
| uint64_t Get64(const Object* object) const; |
| void Set64(Object* object, uint64_t new_value) const; |
| Object* GetObj(const Object* object) const; |
| void SetObj(Object* object, const Object* new_value) const; |
| |
| // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
| |
| // The class in which this field is declared. |
| Class* declaring_class_; |
| |
| Object* generic_type_; |
| |
| const String* name_; |
| |
| // Type of the field |
| Class* type_; |
| |
| uint32_t generic_types_are_initialized_; |
| |
| uint32_t access_flags_; |
| |
| // Offset of field within an instance or in the Class' static fields |
| uint32_t offset_; |
| |
| // Dex cache index of resolved type |
| uint32_t type_idx_; |
| |
| int32_t slot_; |
| |
| static Class* java_lang_reflect_Field_; |
| |
| friend struct FieldOffsets; // for verifying offset information |
| DISALLOW_IMPLICIT_CONSTRUCTORS(Field); |
| }; |
| |
| // C++ mirror of java.lang.reflect.Method |
| class Method : public AccessibleObject { |
| public: |
| // An function that invokes a method with an array of its arguments. |
| typedef void InvokeStub(const Method* method, |
| Object* obj, |
| Thread* thread, |
| byte* args, |
| JValue* result); |
| |
| Class* GetDeclaringClass() const; |
| |
| void SetDeclaringClass(Class *new_declaring_class); |
| |
| static MemberOffset DeclaringClassOffset() { |
| return MemberOffset(OFFSETOF_MEMBER(Method, declaring_class_)); |
| } |
| |
| // Returns the method name, e.g. "<init>" or "eatLunch" |
| const String* GetName() const; |
| |
| void SetName(String* new_name); |
| |
| String* GetShorty() const; |
| |
| void SetShorty(String* new_shorty); |
| |
| const String* GetSignature() const; |
| |
| void SetSignature(String* new_signature); |
| |
| bool HasSameNameAndDescriptor(const Method* that) const; |
| |
| uint32_t GetAccessFlags() const; |
| |
| void SetAccessFlags(uint32_t new_access_flags) { |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Method, access_flags_), new_access_flags, |
| false); |
| } |
| |
| // Returns true if the method is declared public. |
| bool IsPublic() const { |
| return (GetAccessFlags() & kAccPublic) != 0; |
| } |
| |
| // Returns true if the method is declared private. |
| bool IsPrivate() const { |
| return (GetAccessFlags() & kAccPrivate) != 0; |
| } |
| |
| // Returns true if the method is declared static. |
| bool IsStatic() const { |
| return (GetAccessFlags() & kAccStatic) != 0; |
| } |
| |
| // Returns true if the method is a constructor. |
| bool IsConstructor() const { |
| return (access_flags_ & kAccConstructor) != 0; |
| } |
| |
| // Returns true if the method is static, private, or a constructor. |
| bool IsDirect() const { |
| return IsStatic() || IsPrivate() || IsConstructor(); |
| } |
| |
| // Returns true if the method is declared synchronized. |
| bool IsSynchronized() const { |
| uint32_t synchonized = kAccSynchronized | kAccDeclaredSynchronized; |
| return (GetAccessFlags() & synchonized) != 0; |
| } |
| |
| // Returns true if the method is declared final. |
| bool IsFinal() const { |
| return (GetAccessFlags() & kAccFinal) != 0; |
| } |
| |
| // Returns true if the method is declared native. |
| bool IsNative() const { |
| return (GetAccessFlags() & kAccNative) != 0; |
| } |
| |
| // Returns true if the method is declared abstract. |
| bool IsAbstract() const { |
| return (GetAccessFlags() & kAccAbstract) != 0; |
| } |
| |
| bool IsSynthetic() const { |
| return (GetAccessFlags() & kAccSynthetic) != 0; |
| } |
| |
| uint16_t GetMethodIndex() const; |
| |
| size_t GetVtableIndex() const { |
| return GetMethodIndex(); |
| } |
| |
| void SetMethodIndex(uint16_t new_method_index) { |
| SetField16(OFFSET_OF_OBJECT_MEMBER(Method, method_index_), |
| new_method_index, false); |
| } |
| |
| static MemberOffset MethodIndexOffset() { |
| return OFFSET_OF_OBJECT_MEMBER(Method, method_index_); |
| } |
| |
| uint32_t GetCodeItemOffset() const { |
| return GetField32(OFFSET_OF_OBJECT_MEMBER(Method, code_item_offset_), false); |
| } |
| |
| void SetCodeItemOffset(uint32_t new_code_off) { |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Method, code_item_offset_), |
| new_code_off, false); |
| } |
| |
| // Number of 32bit registers that would be required to hold all the arguments |
| static size_t NumArgRegisters(const StringPiece& shorty); |
| |
| // Number of argument bytes required for densely packing the |
| // arguments into an array of arguments. |
| size_t NumArgArrayBytes() const; |
| |
| uint16_t NumRegisters() const; |
| |
| void SetNumRegisters(uint16_t new_num_registers) { |
| SetField16(OFFSET_OF_OBJECT_MEMBER(Method, num_registers_), |
| new_num_registers, false); |
| } |
| |
| uint16_t NumIns() const; |
| |
| void SetNumIns(uint16_t new_num_ins) { |
| SetField16(OFFSET_OF_OBJECT_MEMBER(Method, num_ins_), |
| new_num_ins, false); |
| } |
| |
| uint16_t NumOuts() const; |
| |
| void SetNumOuts(uint16_t new_num_outs) { |
| SetField16(OFFSET_OF_OBJECT_MEMBER(Method, num_outs_), |
| new_num_outs, false); |
| } |
| |
| uint32_t GetProtoIdx() const; |
| |
| void SetProtoIdx(uint32_t new_proto_idx) { |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Method, proto_idx_), new_proto_idx, false); |
| } |
| |
| ObjectArray<String>* GetDexCacheStrings() const; |
| void SetDexCacheStrings(ObjectArray<String>* new_dex_cache_strings); |
| |
| static MemberOffset DexCacheStringsOffset() { |
| return OFFSET_OF_OBJECT_MEMBER(Method, dex_cache_strings_); |
| } |
| |
| static MemberOffset DexCacheResolvedTypesOffset() { |
| return OFFSET_OF_OBJECT_MEMBER(Method, dex_cache_resolved_types_); |
| } |
| |
| static MemberOffset DexCacheResolvedFieldsOffset() { |
| return OFFSET_OF_OBJECT_MEMBER(Method, dex_cache_resolved_fields_); |
| } |
| |
| static MemberOffset DexCacheInitializedStaticStorageOffset() { |
| return OFFSET_OF_OBJECT_MEMBER(Method, |
| dex_cache_initialized_static_storage_); |
| } |
| |
| ObjectArray<Class>* GetDexCacheResolvedTypes() const; |
| void SetDexCacheResolvedTypes(ObjectArray<Class>* new_dex_cache_types); |
| |
| ObjectArray<Method>* GetDexCacheResolvedMethods() const; |
| void SetDexCacheResolvedMethods(ObjectArray<Method>* new_dex_cache_methods); |
| |
| ObjectArray<Field>* GetDexCacheResolvedFields() const; |
| void SetDexCacheResolvedFields(ObjectArray<Field>* new_dex_cache_fields); |
| |
| CodeAndDirectMethods* GetDexCacheCodeAndDirectMethods() const; |
| void SetDexCacheCodeAndDirectMethods(CodeAndDirectMethods* new_value); |
| |
| ObjectArray<StaticStorageBase>* GetDexCacheInitializedStaticStorage() const; |
| void SetDexCacheInitializedStaticStorage(ObjectArray<StaticStorageBase>* new_value); |
| |
| void SetReturnTypeIdx(uint32_t new_return_type_idx); |
| |
| Class* GetReturnType() const; |
| |
| bool IsReturnAReference() const; |
| |
| bool IsReturnAFloat() const; |
| |
| bool IsReturnADouble() const; |
| |
| bool IsReturnAFloatOrDouble() const { |
| return IsReturnAFloat() || IsReturnADouble(); |
| } |
| |
| bool IsReturnALong() const; |
| |
| bool IsReturnVoid() const; |
| |
| // "Args" may refer to any of the 3 levels of "Args." |
| // To avoid confusion, our code will denote which "Args" clearly: |
| // 1. UserArgs: Args that a user see. |
| // 2. Args: Logical JVM-level Args. E.g., the first in Args will be the |
| // receiver. |
| // 3. CConvArgs: Calling Convention Args, which is physical-level Args. |
| // E.g., the first in Args is Method* for both static and non-static |
| // methods. And CConvArgs doesn't deal with the receiver because |
| // receiver is hardwired in an implicit register, so CConvArgs doesn't |
| // need to deal with it. |
| // |
| // The number of Args that should be supplied to this method |
| size_t NumArgs() const; |
| |
| // The number of reference arguments to this method including implicit this |
| // pointer. |
| size_t NumReferenceArgs() const; |
| |
| // The number of long or double arguments. |
| size_t NumLongOrDoubleArgs() const; |
| |
| // Is the given method parameter a reference? |
| bool IsParamAReference(unsigned int param) const; |
| |
| // Is the given method parameter a long or double? |
| bool IsParamALongOrDouble(unsigned int param) const; |
| |
| // Size in bytes of the given parameter |
| size_t ParamSize(unsigned int param) const; |
| |
| // Size in bytes of the return value |
| size_t ReturnSize() const; |
| |
| void Invoke(Thread* self, Object* receiver, byte* args, JValue* result) const; |
| |
| const ByteArray* GetCodeArray() const { |
| return GetFieldPtr<const ByteArray*>(OFFSET_OF_OBJECT_MEMBER(Method, code_array_), false); |
| } |
| |
| const void* GetCode() const { |
| return GetFieldPtr<const void*>(OFFSET_OF_OBJECT_MEMBER(Method, code_), false); |
| } |
| |
| bool HasCode() const { |
| return GetCode() != NULL; |
| } |
| |
| void SetCode(ByteArray* code_array, InstructionSet instruction_set, |
| ByteArray* mapping_table = NULL); |
| |
| static MemberOffset GetCodeOffset() { |
| return OFFSET_OF_OBJECT_MEMBER(Method, code_); |
| } |
| |
| size_t GetFrameSizeInBytes() const { |
| DCHECK(sizeof(size_t) == sizeof(uint32_t)); |
| size_t result = GetField32( |
| OFFSET_OF_OBJECT_MEMBER(Method, frame_size_in_bytes_), false); |
| DCHECK_LE(static_cast<size_t>(kStackAlignment), result); |
| return result; |
| } |
| |
| void SetFrameSizeInBytes(size_t new_frame_size_in_bytes) { |
| DCHECK(sizeof(size_t) == sizeof(uint32_t)); |
| DCHECK_LE(static_cast<size_t>(kStackAlignment), new_frame_size_in_bytes); |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Method, frame_size_in_bytes_), |
| new_frame_size_in_bytes, false); |
| } |
| |
| size_t GetReturnPcOffsetInBytes() const { |
| DCHECK(sizeof(size_t) == sizeof(uint32_t)); |
| return GetField32( |
| OFFSET_OF_OBJECT_MEMBER(Method, return_pc_offset_in_bytes_), false); |
| } |
| |
| void SetReturnPcOffsetInBytes(size_t return_pc_offset_in_bytes) { |
| DCHECK(sizeof(size_t) == sizeof(uint32_t)); |
| DCHECK_LT(return_pc_offset_in_bytes, GetFrameSizeInBytes()); |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Method, return_pc_offset_in_bytes_), |
| return_pc_offset_in_bytes, false); |
| } |
| |
| void RegisterNative(const void* native_method) { |
| CHECK(IsNative()); |
| CHECK(native_method != NULL); |
| SetFieldPtr<const void*>(OFFSET_OF_OBJECT_MEMBER(Method, native_method_), |
| native_method, false); |
| } |
| |
| void UnregisterNative() { |
| CHECK(IsNative()); |
| SetFieldPtr<const void*>(OFFSET_OF_OBJECT_MEMBER(Method, native_method_), |
| NULL, false); |
| } |
| |
| static MemberOffset NativeMethodOffset() { |
| return OFFSET_OF_OBJECT_MEMBER(Method, native_method_); |
| } |
| |
| ByteArray* GetInvokeStubArray() const { |
| ByteArray* result = GetFieldPtr<ByteArray*>( |
| OFFSET_OF_OBJECT_MEMBER(Method, invoke_stub_array_), false); |
| // TODO: DCHECK(result != NULL); should be ahead of time compiled |
| return result; |
| } |
| |
| // Native to managed invocation stub entry point |
| InvokeStub* GetInvokeStub() const { |
| InvokeStub* result = GetFieldPtr<InvokeStub*>( |
| OFFSET_OF_OBJECT_MEMBER(Method, invoke_stub_), false); |
| // TODO: DCHECK(result != NULL); should be ahead of time compiled |
| return result; |
| } |
| |
| static MemberOffset GetInvokeStubOffset() { |
| return OFFSET_OF_OBJECT_MEMBER(Method, invoke_stub_); |
| } |
| |
| static MemberOffset GetDexCacheCodeAndDirectMethodsOffset() { |
| return OFFSET_OF_OBJECT_MEMBER(Method, dex_cache_code_and_direct_methods_); |
| } |
| |
| static MemberOffset GetDexCacheResolvedMethodsOffset() { |
| return OFFSET_OF_OBJECT_MEMBER(Method, dex_cache_resolved_methods_); |
| } |
| |
| static MemberOffset GetMethodIndexOffset() { |
| return OFFSET_OF_OBJECT_MEMBER(Method, method_index_); |
| } |
| |
| void SetInvokeStub(const ByteArray* invoke_stub_array); |
| |
| void SetFpSpillMask(uint32_t fp_spill_mask) { |
| // Computed during compilation |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Method, fp_spill_mask_), |
| fp_spill_mask, false); |
| } |
| |
| void SetCoreSpillMask(uint32_t core_spill_mask) { |
| // Computed during compilation |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Method, core_spill_mask_), |
| core_spill_mask, false); |
| } |
| |
| // Converts a native PC to a dex PC. TODO: this is a no-op |
| // until we associate a PC mapping table with each method. |
| uintptr_t ToDexPC(const uintptr_t pc) const { |
| return pc; |
| } |
| |
| // Converts a dex PC to a native PC. TODO: this is a no-op |
| // until we associate a PC mapping table with each method. |
| uintptr_t ToNativePC(const uintptr_t pc) const { |
| return pc; |
| } |
| |
| static Class* GetJavaLangReflectMethod() { |
| DCHECK(java_lang_reflect_Method_ != NULL); |
| return java_lang_reflect_Method_; |
| } |
| |
| static void SetClass(Class* java_lang_reflect_Method); |
| static void ResetClass(); |
| |
| private: |
| uint32_t GetReturnTypeIdx() const; |
| |
| // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
| // the class we are a part of |
| Class* declaring_class_; |
| ObjectArray<Class>* java_exception_types_; |
| Object* java_formal_type_parameters_; |
| Object* java_generic_exception_types_; |
| Object* java_generic_parameter_types_; |
| Object* java_generic_return_type_; |
| |
| String* name_; |
| |
| ObjectArray<Class>* java_parameter_types_; |
| |
| Class* java_return_type_; // Unused by ART |
| |
| // Storage for code_ |
| const ByteArray* code_array_; |
| |
| // short cuts to declaring_class_->dex_cache_ member for fast compiled code access |
| CodeAndDirectMethods* dex_cache_code_and_direct_methods_; |
| |
| // short cuts to declaring_class_->dex_cache_ member for fast compiled code access |
| ObjectArray<StaticStorageBase>* dex_cache_initialized_static_storage_; |
| |
| // short cuts to declaring_class_->dex_cache_ member for fast compiled code access |
| ObjectArray<Field>* dex_cache_resolved_fields_; |
| |
| // short cuts to declaring_class_->dex_cache_ member for fast compiled code access |
| ObjectArray<Method>* dex_cache_resolved_methods_; |
| |
| // short cuts to declaring_class_->dex_cache_ member for fast compiled code access |
| ObjectArray<Class>* dex_cache_resolved_types_; |
| |
| // short cuts to declaring_class_->dex_cache_ member for fast compiled code access |
| ObjectArray<String>* dex_cache_strings_; |
| |
| // Storage for invoke_stub_ |
| const ByteArray* invoke_stub_array_; |
| |
| // Storage for mapping_table_ |
| const ByteArray* mapping_table_; |
| |
| // The short-form method descriptor string. |
| String* shorty_; |
| |
| // The method descriptor. This represents the parameters a method |
| // takes and value it returns. This string is a list of the type |
| // descriptors for the parameters enclosed in parenthesis followed |
| // by the return type descriptor. For example, for the method |
| // |
| // Object mymethod(int i, double d, Thread t) |
| // |
| // the method descriptor would be |
| // |
| // (IDLjava/lang/Thread;)Ljava/lang/Object; |
| String* signature_; |
| |
| uint32_t java_generic_types_are_initialized_; |
| |
| // access flags; low 16 bits are defined by spec (could be uint16_t?) |
| uint32_t access_flags_; |
| |
| // Compiled code associated with this method for callers from managed code. |
| // May be compiled managed code or a bridge for invoking a native method. |
| const void* code_; |
| |
| // Offset to the CodeItem. |
| uint32_t code_item_offset_; |
| |
| // Architecture-dependent register spill mask |
| uint32_t core_spill_mask_; |
| |
| // Architecture-dependent register spill mask |
| uint32_t fp_spill_mask_; |
| |
| // Total size in bytes of the frame |
| size_t frame_size_in_bytes_; |
| |
| // Native invocation stub entry point for calling from native to managed code. |
| const InvokeStub* invoke_stub_; |
| |
| // Index of the return type |
| uint32_t java_return_type_idx_; |
| |
| // For concrete virtual methods, this is the offset of the method |
| // in Class::vtable_. |
| // |
| // For abstract methods in an interface class, this is the offset |
| // of the method in "iftable_[n]->method_index_array_". |
| uint32_t method_index_; // (could be uint16_t) |
| |
| // The target native method registered with this method |
| const void* native_method_; |
| |
| // Method bounds; not needed for an abstract method. |
| // |
| // For a native method, we compute the size of the argument list, and |
| // set "insSize" and "registerSize" equal to it. |
| uint32_t num_ins_; // (could be uint16_t) |
| uint32_t num_outs_; // (could be uint16_t) |
| uint32_t num_registers_; // ins + locals // (could be uint16_t) |
| |
| // Method prototype descriptor string (return and argument types). |
| uint32_t proto_idx_; |
| |
| // Offset of return PC within frame for compiled code (in bytes) |
| size_t return_pc_offset_in_bytes_; |
| |
| uint32_t java_slot_; |
| |
| static Class* java_lang_reflect_Method_; |
| |
| friend class ImageWriter; // for relocating code_ and invoke_stub_ |
| friend struct MethodOffsets; // for verifying offset information |
| DISALLOW_IMPLICIT_CONSTRUCTORS(Method); |
| }; |
| |
| class Array : public Object { |
| public: |
| static size_t SizeOf(size_t component_count, |
| size_t component_size) { |
| return sizeof(Array) + component_count * component_size; |
| } |
| |
| // Given the context of a calling Method, use its DexCache to |
| // resolve a type to an array Class. If it cannot be resolved, throw |
| // an error. If it can, use it to create an array. |
| static Array* AllocFromCode(uint32_t type_idx, Method* method, int32_t component_count); |
| |
| // A convenience for code that doesn't know the component size, |
| // and doesn't want to have to work it out itself. |
| static Array* Alloc(Class* array_class, int32_t component_count); |
| |
| static Array* Alloc(Class* array_class, int32_t component_count, size_t component_size); |
| |
| size_t SizeOf() const; |
| |
| int32_t GetLength() const { |
| return GetField32(OFFSET_OF_OBJECT_MEMBER(Array, length_), false); |
| } |
| |
| void SetLength(int32_t length) { |
| CHECK_GE(length, 0); |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Array, length_), length, false); |
| } |
| |
| static MemberOffset LengthOffset() { |
| return OFFSET_OF_OBJECT_MEMBER(Array, length_); |
| } |
| |
| static MemberOffset DataOffset() { |
| return OFFSET_OF_OBJECT_MEMBER(Array, first_element_); |
| } |
| |
| void* GetRawData() { |
| return reinterpret_cast<void*>(first_element_); |
| } |
| |
| protected: |
| bool IsValidIndex(int32_t index) const { |
| if (index < 0 || index >= length_) { |
| Thread* self = Thread::Current(); |
| self->ThrowNewException("Ljava/lang/ArrayIndexOutOfBoundsException;", |
| "length=%i; index=%i", length_, index); |
| return false; |
| } |
| return true; |
| } |
| |
| private: |
| // The number of array elements. |
| int32_t length_; |
| // Padding to ensure the first member defined by a subclass begins on a 8-byte boundary |
| int32_t padding_; |
| // Marker for the data (used by generated code) |
| uint32_t first_element_[0]; |
| |
| DISALLOW_IMPLICIT_CONSTRUCTORS(Array); |
| }; |
| |
| template<class T> |
| class ObjectArray : public Array { |
| public: |
| static ObjectArray<T>* Alloc(Class* object_array_class, int32_t length); |
| |
| T* Get(int32_t i) const; |
| |
| void Set(int32_t i, T* object); |
| |
| // Set element without bound and element type checks, to be used in limited |
| // circumstances, such as during boot image writing |
| void SetWithoutChecks(int32_t i, T* object); |
| |
| static void Copy(const ObjectArray<T>* src, int src_pos, |
| ObjectArray<T>* dst, int dst_pos, |
| size_t length); |
| |
| ObjectArray<T>* CopyOf(int32_t new_length); |
| |
| private: |
| DISALLOW_IMPLICIT_CONSTRUCTORS(ObjectArray); |
| }; |
| |
| template<class T> |
| ObjectArray<T>* ObjectArray<T>::Alloc(Class* object_array_class, int32_t length) { |
| return Array::Alloc(object_array_class, length, sizeof(uint32_t))->AsObjectArray<T>(); |
| } |
| |
| template<class T> |
| T* ObjectArray<T>::Get(int32_t i) const { |
| if (!IsValidIndex(i)) { |
| return NULL; |
| } |
| MemberOffset data_offset(DataOffset().Int32Value() + i * sizeof(Object*)); |
| return GetFieldObject<T*>(data_offset, false); |
| } |
| |
| template<class T> |
| ObjectArray<T>* ObjectArray<T>::CopyOf(int32_t new_length) { |
| ObjectArray<T>* new_array = Alloc(GetClass(), new_length); |
| Copy(this, 0, new_array, 0, std::min(GetLength(), new_length)); |
| return new_array; |
| } |
| |
| // Type for the InitializedStaticStorage table. Currently the Class |
| // provides the static storage. However, this might change to an Array |
| // to improve image sharing, so we use this type to avoid assumptions |
| // on the current storage. |
| class StaticStorageBase : public Object {}; |
| |
| // C++ mirror of java.lang.Class |
| class Class : public StaticStorageBase { |
| public: |
| |
| // Class Status |
| // |
| // kStatusNotReady: If a Class cannot be found in the class table by |
| // FindClass, it allocates an new one with AllocClass in the |
| // kStatusNotReady and calls LoadClass. Note if it does find a |
| // class, it may not be kStatusResolved and it will try to push it |
| // forward toward kStatusResolved. |
| // |
| // kStatusIdx: LoadClass populates with Class with information from |
| // the DexFile, moving the status to kStatusIdx, indicating that the |
| // Class values in super_class_ and interfaces_ have not been |
| // populated based on super_class_type_idx_ and |
| // interfaces_type_idx_. The new Class can then be inserted into the |
| // classes table. |
| // |
| // kStatusLoaded: After taking a lock on Class, the ClassLinker will |
| // attempt to move a kStatusIdx class forward to kStatusLoaded by |
| // using ResolveClass to initialize the super_class_ and interfaces_. |
| // |
| // kStatusResolved: Still holding the lock on Class, the ClassLinker |
| // shows linking is complete and fields of the Class populated by making |
| // it kStatusResolved. Java allows circularities of the form where a super |
| // class has a field that is of the type of the sub class. We need to be able |
| // to fully resolve super classes while resolving types for fields. |
| |
| enum Status { |
| kStatusError = -1, |
| kStatusNotReady = 0, |
| kStatusIdx = 1, // loaded, DEX idx in super_class_type_idx_ and interfaces_type_idx_ |
| kStatusLoaded = 2, // DEX idx values resolved |
| kStatusResolved = 3, // part of linking |
| kStatusVerifying = 4, // in the process of being verified |
| kStatusVerified = 5, // logically part of linking; done pre-init |
| kStatusInitializing = 6, // class init in progress |
| kStatusInitialized = 7, // ready to go |
| }; |
| |
| enum PrimitiveType { |
| kPrimNot = 0, |
| kPrimBoolean, |
| kPrimByte, |
| kPrimChar, |
| kPrimShort, |
| kPrimInt, |
| kPrimLong, |
| kPrimFloat, |
| kPrimDouble, |
| kPrimVoid, |
| }; |
| |
| Status GetStatus() const { |
| CHECK(sizeof(Status) == sizeof(uint32_t)); |
| return static_cast<Status>( |
| GetField32(OFFSET_OF_OBJECT_MEMBER(Class, status_), false)); |
| } |
| |
| void SetStatus(Status new_status); |
| |
| // Returns true if the class has failed to link. |
| bool IsErroneous() const { |
| return GetStatus() == kStatusError; |
| } |
| |
| // Returns true if the class has been loaded. |
| bool IsIdxLoaded() const { |
| return GetStatus() >= kStatusIdx; |
| } |
| |
| // Returns true if the class has been loaded. |
| bool IsLoaded() const { |
| return GetStatus() >= kStatusLoaded; |
| } |
| |
| // Returns true if the class has been linked. |
| bool IsResolved() const { |
| return GetStatus() >= kStatusResolved; |
| } |
| |
| // Returns true if the class has been verified. |
| bool IsVerified() const { |
| return GetStatus() >= kStatusVerified; |
| } |
| |
| // Returns true if the class is initialized. |
| bool IsInitialized() const { |
| return GetStatus() == kStatusInitialized; |
| } |
| |
| uint32_t GetAccessFlags() const; |
| |
| void SetAccessFlags(uint32_t new_access_flags) { |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Class, access_flags_), new_access_flags, |
| false); |
| } |
| |
| // Returns true if the class is an interface. |
| bool IsInterface() const { |
| return (GetAccessFlags() & kAccInterface) != 0; |
| } |
| |
| // Returns true if the class is declared public. |
| bool IsPublic() const { |
| return (GetAccessFlags() & kAccPublic) != 0; |
| } |
| |
| // Returns true if the class is declared final. |
| bool IsFinal() const { |
| return (GetAccessFlags() & kAccFinal) != 0; |
| } |
| |
| // Returns true if the class is abstract. |
| bool IsAbstract() const { |
| return (GetAccessFlags() & kAccAbstract) != 0; |
| } |
| |
| // Returns true if the class is an annotation. |
| bool IsAnnotation() const { |
| return (GetAccessFlags() & kAccAnnotation) != 0; |
| } |
| |
| // Returns true if the class is synthetic. |
| bool IsSynthetic() const { |
| return (GetAccessFlags() & kAccSynthetic) != 0; |
| } |
| |
| bool IsReferenceClass() const { |
| return (GetAccessFlags() & kAccClassIsReference) != 0; |
| } |
| |
| bool IsWeakReferenceClass() const { |
| return (GetAccessFlags() & kAccClassIsWeakReference) != 0; |
| } |
| |
| bool IsSoftReferenceClass() const { |
| return (GetAccessFlags() & ~kAccReferenceFlagsMask) == kAccClassIsReference; |
| } |
| |
| bool IsFinalizerReferenceClass() const { |
| return (GetAccessFlags() & kAccClassIsFinalizerReference) != 0; |
| } |
| |
| bool IsPhantomReferenceClass() const { |
| return (GetAccessFlags() & kAccClassIsPhantomReference) != 0; |
| } |
| |
| PrimitiveType GetPrimitiveType() const { |
| CHECK(sizeof(PrimitiveType) == sizeof(int32_t)); |
| return static_cast<PrimitiveType>( |
| GetField32(OFFSET_OF_OBJECT_MEMBER(Class, primitive_type_), false)); |
| } |
| |
| void SetPrimitiveType(PrimitiveType new_type) { |
| CHECK(sizeof(PrimitiveType) == sizeof(int32_t)); |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Class, primitive_type_), new_type, |
| false); |
| } |
| |
| // Returns true if the class is a primitive type. |
| bool IsPrimitive() const { |
| return GetPrimitiveType() != kPrimNot; |
| } |
| |
| bool IsPrimitiveBoolean() const { |
| return GetPrimitiveType() == kPrimBoolean; |
| } |
| |
| bool IsPrimitiveByte() const { |
| return GetPrimitiveType() == kPrimByte; |
| } |
| |
| bool IsPrimitiveChar() const { |
| return GetPrimitiveType() == kPrimChar; |
| } |
| |
| bool IsPrimitiveShort() const { |
| return GetPrimitiveType() == kPrimShort; |
| } |
| |
| bool IsPrimitiveInt() const { |
| return GetPrimitiveType() == kPrimInt; |
| } |
| |
| bool IsPrimitiveLong() const { |
| return GetPrimitiveType() == kPrimLong; |
| } |
| |
| bool IsPrimitiveFloat() const { |
| return GetPrimitiveType() == kPrimFloat; |
| } |
| |
| bool IsPrimitiveDouble() const { |
| return GetPrimitiveType() == kPrimDouble; |
| } |
| |
| bool IsPrimitiveVoid() const { |
| return GetPrimitiveType() == kPrimVoid; |
| } |
| |
| size_t PrimitiveSize() const; |
| |
| bool IsArrayClass() const { |
| return GetArrayRank() != 0; |
| } |
| |
| int32_t GetArrayRank() const { |
| int32_t result = GetField32(OFFSET_OF_OBJECT_MEMBER(Class, array_rank_), |
| false); |
| return result; |
| } |
| |
| void SetArrayRank(int32_t new_array_rank) { |
| DCHECK_EQ(0, GetArrayRank()); |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Class, array_rank_), new_array_rank, |
| false); |
| } |
| |
| Class* GetComponentType() const { |
| DCHECK(IsArrayClass()); |
| return GetFieldObject<Class*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, component_type_), false); |
| } |
| |
| void SetComponentType(Class* new_component_type) { |
| DCHECK(GetComponentType() == NULL); |
| DCHECK(new_component_type != NULL); |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, component_type_), |
| new_component_type, false); |
| } |
| |
| size_t GetComponentSize() const { |
| return GetTypeSize(GetComponentType()->GetDescriptor()); |
| } |
| |
| bool IsObjectClass() const { |
| return !IsPrimitive() && GetSuperClass() == NULL; |
| } |
| |
| // Tests whether an element of type 'object_class' can be |
| // assigned into an array of type 'array_class'. |
| static bool CanPutArrayElement(const Class* object_class, const Class* array_class); |
| // Like CanPutArrayElement, but throws an exception and |
| // unwinds the stack instead of returning false. |
| static void CanPutArrayElementFromCode(const Class* object_class, const Class* array_class); |
| |
| // Given the context of a calling Method, use its DexCache to |
| // resolve a type to a Class. If it cannot be resolved, throw an |
| // error. If it can, use it to create an instance. |
| static Object* AllocObjectFromCode(uint32_t type_idx, Method* method); |
| |
| // Creates a raw object instance but does not invoke the default constructor. |
| Object* AllocObject(); |
| |
| static size_t GetTypeSize(const String* descriptor); |
| |
| const String* GetDescriptor() const { |
| const String* result = GetFieldObject<const String*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, descriptor_), false); |
| // DCHECK(result != NULL); // may be NULL prior to class linker initialization |
| // DCHECK_NE(0, result->GetLength()); // TODO: keep? |
| return result; |
| } |
| |
| void SetDescriptor(String* new_descriptor); |
| |
| bool IsVariableSize() const { |
| // Classes and arrays vary in size, and so the object_size_ field cannot |
| // be used to get their instance size |
| return IsClassClass() || IsArrayClass(); |
| } |
| |
| size_t SizeOf() const { |
| CHECK(sizeof(size_t) == sizeof(int32_t)); |
| return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, class_size_), false); |
| } |
| |
| size_t GetClassSize() const { |
| CHECK(sizeof(size_t) == sizeof(uint32_t)); |
| return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, class_size_), false); |
| } |
| |
| void SetClassSize(size_t new_class_size) { |
| DCHECK_GE(new_class_size, GetClassSize()); |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Class, class_size_), new_class_size, |
| false); |
| } |
| |
| size_t GetObjectSize() const { |
| CHECK(!IsVariableSize()); |
| CHECK(sizeof(size_t) == sizeof(int32_t)); |
| size_t result = GetField32(OFFSET_OF_OBJECT_MEMBER(Class, object_size_), |
| false); |
| CHECK_GE(result, sizeof(Object)); |
| return result; |
| } |
| |
| void SetObjectSize(size_t new_object_size) { |
| DCHECK(!IsVariableSize()); |
| CHECK(sizeof(size_t) == sizeof(int32_t)); |
| return SetField32(OFFSET_OF_OBJECT_MEMBER(Class, object_size_), |
| new_object_size, false); |
| } |
| |
| // Returns true if this class is in the same packages as that class. |
| bool IsInSamePackage(const Class* that) const; |
| |
| static bool IsInSamePackage(const String* descriptor1, |
| const String* descriptor2); |
| |
| // Returns true if this class can access that class. |
| bool CanAccess(const Class* that) const { |
| return that->IsPublic() || this->IsInSamePackage(that); |
| } |
| |
| bool IsAssignableFrom(const Class* klass) const { |
| DCHECK(klass != NULL); |
| if (this == klass) { |
| // Can always assign to things of the same type |
| return true; |
| } else if (IsObjectClass()) { |
| // Can assign any reference to java.lang.Object |
| return !klass->IsPrimitive(); |
| } else if (IsInterface()) { |
| return klass->Implements(this); |
| } else if (klass->IsArrayClass()) { |
| return IsAssignableFromArray(klass); |
| } else { |
| return klass->IsSubClass(this); |
| } |
| } |
| |
| Class* GetSuperClass() const { |
| // Can only get super class for loaded classes (hack for when runtime is |
| // initializing) |
| DCHECK(IsLoaded() || !Runtime::Current()->IsStarted()); |
| return GetFieldObject<Class*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, super_class_), false); |
| } |
| |
| static MemberOffset SuperClassOffset() { |
| return MemberOffset(OFFSETOF_MEMBER(Class, super_class_)); |
| } |
| |
| void SetSuperClass(Class *new_super_class) { |
| // super class is assigned once, except during class linker initialization |
| Class* old_super_class = GetFieldObject<Class*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, super_class_), false); |
| DCHECK(old_super_class == NULL || old_super_class == new_super_class); |
| DCHECK(new_super_class != NULL); |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, super_class_), |
| new_super_class, false); |
| } |
| |
| bool HasSuperClass() const { |
| return GetSuperClass() != NULL; |
| } |
| |
| uint32_t GetSuperClassTypeIdx() const { |
| DCHECK(IsIdxLoaded()); |
| return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, super_class_type_idx_), |
| false); |
| } |
| |
| void SetSuperClassTypeIdx(int32_t new_super_class_idx) { |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Class, super_class_type_idx_), |
| new_super_class_idx, false); |
| } |
| |
| const ClassLoader* GetClassLoader() const; |
| |
| void SetClassLoader(const ClassLoader* new_cl); |
| |
| static MemberOffset DexCacheOffset() { |
| return MemberOffset(OFFSETOF_MEMBER(Class, dex_cache_)); |
| } |
| |
| DexCache* GetDexCache() const; |
| |
| void SetDexCache(DexCache* new_dex_cache); |
| |
| ObjectArray<Method>* GetDirectMethods() const { |
| DCHECK(IsLoaded()); |
| return GetFieldObject<ObjectArray<Method>*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, direct_methods_), false); |
| } |
| |
| void SetDirectMethods(ObjectArray<Method>* new_direct_methods) { |
| DCHECK(NULL == GetFieldObject<ObjectArray<Method>*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, direct_methods_), false)); |
| DCHECK_NE(0, new_direct_methods->GetLength()); |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, direct_methods_), |
| new_direct_methods, false); |
| } |
| |
| Method* GetDirectMethod(int32_t i) const { |
| return GetDirectMethods()->Get(i); |
| } |
| |
| void SetDirectMethod(uint32_t i, Method* f) { // TODO: uint16_t |
| ObjectArray<Method>* direct_methods = |
| GetFieldObject<ObjectArray<Method>*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, direct_methods_), false); |
| direct_methods->Set(i, f); |
| } |
| |
| // Returns the number of static, private, and constructor methods. |
| size_t NumDirectMethods() const { |
| return (GetDirectMethods() != NULL) ? GetDirectMethods()->GetLength() : 0; |
| } |
| |
| ObjectArray<Method>* GetVirtualMethods() const { |
| DCHECK(IsLoaded()); |
| return GetFieldObject<ObjectArray<Method>*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, virtual_methods_), false); |
| } |
| |
| void SetVirtualMethods(ObjectArray<Method>* new_virtual_methods) { |
| // TODO: we reassign virtual methods to grow the table for miranda |
| // methods.. they should really just be assigned once |
| DCHECK_NE(0, new_virtual_methods->GetLength()); |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, virtual_methods_), |
| new_virtual_methods, false); |
| } |
| |
| // Returns the number of non-inherited virtual methods. |
| size_t NumVirtualMethods() const { |
| return (GetVirtualMethods() != NULL) ? GetVirtualMethods()->GetLength() : 0; |
| } |
| |
| Method* GetVirtualMethod(uint32_t i) const { |
| DCHECK(IsResolved()); |
| return GetVirtualMethods()->Get(i); |
| } |
| |
| Method* GetVirtualMethodDuringLinking(uint32_t i) const { |
| DCHECK(IsLoaded()); |
| return GetVirtualMethods()->Get(i); |
| } |
| |
| void SetVirtualMethod(uint32_t i, Method* f) { // TODO: uint16_t |
| ObjectArray<Method>* virtual_methods = |
| GetFieldObject<ObjectArray<Method>*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, virtual_methods_), false); |
| virtual_methods->Set(i, f); |
| } |
| |
| ObjectArray<Method>* GetVTable() const { |
| DCHECK(IsResolved()); |
| return GetFieldObject<ObjectArray<Method>*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, vtable_), false); |
| } |
| |
| ObjectArray<Method>* GetVTableDuringLinking() const { |
| DCHECK(IsLoaded()); |
| return GetFieldObject<ObjectArray<Method>*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, vtable_), false); |
| } |
| |
| void SetVTable(ObjectArray<Method>* new_vtable) { |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, vtable_), new_vtable, false); |
| } |
| |
| static MemberOffset VTableOffset() { |
| return OFFSET_OF_OBJECT_MEMBER(Class, vtable_); |
| } |
| |
| // Given a method implemented by this class but potentially from a |
| // super class, return the specific implementation |
| // method for this class. |
| Method* FindVirtualMethodForVirtual(Method* method) { |
| DCHECK(!method->GetDeclaringClass()->IsInterface()); |
| // The argument method may from a super class. |
| // Use the index to a potentially overridden one for this instance's class. |
| return GetVTable()->Get(method->GetMethodIndex()); |
| } |
| |
| // Given a method implemented by this class, but potentially from a |
| // super class or interface, return the specific implementation |
| // method for this class. |
| Method* FindVirtualMethodForInterface(Method* method); |
| |
| Method* FindInterfaceMethod(const StringPiece& name, |
| const StringPiece& descriptor); |
| |
| Method* FindVirtualMethodForVirtualOrInterface(Method* method) { |
| if (method->GetDeclaringClass()->IsInterface()) { |
| return FindVirtualMethodForInterface(method); |
| } |
| return FindVirtualMethodForVirtual(method); |
| } |
| |
| Method* FindDeclaredVirtualMethod(const StringPiece& name, |
| const StringPiece& descriptor); |
| |
| Method* FindVirtualMethod(const StringPiece& name, |
| const StringPiece& descriptor); |
| |
| Method* FindDeclaredDirectMethod(const StringPiece& name, |
| const StringPiece& signature); |
| |
| Method* FindDirectMethod(const StringPiece& name, |
| const StringPiece& signature); |
| |
| size_t NumInterfaces() const { |
| CHECK(IsIdxLoaded()); // used during loading |
| ObjectArray<Class>* interfaces = GetFieldObject<ObjectArray<Class>*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, interfaces_), false); |
| return (interfaces != NULL) ? interfaces->GetLength() : 0; |
| } |
| |
| IntArray* GetInterfacesTypeIdx() const { |
| CHECK(IsIdxLoaded()); |
| return GetFieldObject<IntArray*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, interfaces_type_idx_), false); |
| } |
| |
| void SetInterfacesTypeIdx(IntArray* new_interfaces_idx); |
| |
| ObjectArray<Class>* GetInterfaces() const { |
| CHECK(IsLoaded()); |
| return GetFieldObject<ObjectArray<Class>*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, interfaces_), false); |
| } |
| |
| void SetInterfaces(ObjectArray<Class>* new_interfaces) { |
| DCHECK(NULL == GetFieldObject<Object*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, interfaces_), false)); |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, interfaces_), |
| new_interfaces, false); |
| } |
| |
| void SetInterface(uint32_t i, Class* f) { // TODO: uint16_t |
| DCHECK_NE(NumInterfaces(), 0U); |
| ObjectArray<Class>* interfaces = |
| GetFieldObject<ObjectArray<Class>*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, interfaces_), false); |
| interfaces->Set(i, f); |
| } |
| |
| Class* GetInterface(uint32_t i) const { |
| DCHECK_NE(NumInterfaces(), 0U); |
| return GetInterfaces()->Get(i); |
| } |
| |
| size_t GetIFTableCount() const { |
| DCHECK(IsResolved()); |
| DCHECK(sizeof(size_t) == sizeof(int32_t)); |
| return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, iftable_count_), false); |
| } |
| |
| void SetIFTableCount(size_t new_iftable_count) { |
| DCHECK(sizeof(size_t) == sizeof(int32_t)); |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Class, iftable_count_), |
| new_iftable_count, false); |
| } |
| |
| InterfaceEntry* GetIFTable() const { |
| DCHECK(IsResolved()); |
| return GetFieldPtr<InterfaceEntry*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, iftable_), false); |
| } |
| |
| void SetIFTable(InterfaceEntry* new_iftable) { |
| SetFieldPtr<InterfaceEntry*>(OFFSET_OF_OBJECT_MEMBER(Class, iftable_), |
| new_iftable, false); |
| } |
| |
| size_t GetIfviPoolCount() const { |
| DCHECK(IsResolved()); |
| CHECK(sizeof(size_t) == sizeof(int32_t)); |
| return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, ifvi_pool_count_), false); |
| } |
| |
| void SetIfviPoolCount(size_t new_count) { |
| CHECK(sizeof(size_t) == sizeof(int32_t)); |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Class, ifvi_pool_count_), new_count, |
| false); |
| } |
| |
| uint32_t* GetIfviPool() const { |
| DCHECK(IsResolved()); |
| return GetFieldPtr<uint32_t*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, ifvi_pool_), false); |
| } |
| |
| void SetIfviPool(uint32_t* new_pool) { |
| SetFieldPtr(OFFSET_OF_OBJECT_MEMBER(Class, ifvi_pool_), new_pool, false); |
| } |
| |
| // Get instance fields |
| ObjectArray<Field>* GetIFields() const { |
| DCHECK(IsLoaded()); |
| return GetFieldObject<ObjectArray<Field>*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, ifields_), false); |
| } |
| |
| void SetIFields(ObjectArray<Field>* new_ifields) { |
| DCHECK(NULL == GetFieldObject<ObjectArray<Field>*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, ifields_), false)); |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, ifields_), |
| new_ifields, false); |
| } |
| |
| size_t NumInstanceFields() const { |
| return (GetIFields() != NULL) ? GetIFields()->GetLength() : 0; |
| } |
| |
| Field* GetInstanceField(uint32_t i) const { // TODO: uint16_t |
| DCHECK_NE(NumInstanceFields(), 0U); |
| return GetIFields()->Get(i); |
| } |
| |
| void SetInstanceField(uint32_t i, Field* f) { // TODO: uint16_t |
| ObjectArray<Field>* ifields= GetFieldObject<ObjectArray<Field>*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, ifields_), false); |
| ifields->Set(i, f); |
| } |
| |
| // Returns the number of instance fields containing reference types. |
| size_t NumReferenceInstanceFields() const { |
| DCHECK(IsResolved()); |
| DCHECK(sizeof(size_t) == sizeof(int32_t)); |
| return GetField32( |
| OFFSET_OF_OBJECT_MEMBER(Class, num_reference_instance_fields_), false); |
| } |
| |
| size_t NumReferenceInstanceFieldsDuringLinking() const { |
| DCHECK(IsLoaded()); |
| DCHECK(sizeof(size_t) == sizeof(int32_t)); |
| return GetField32( |
| OFFSET_OF_OBJECT_MEMBER(Class, num_reference_instance_fields_), false); |
| } |
| |
| void SetNumReferenceInstanceFields(size_t new_num) { |
| DCHECK(sizeof(size_t) == sizeof(int32_t)); |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Class, num_reference_instance_fields_), |
| new_num, false); |
| } |
| |
| uint32_t GetReferenceInstanceOffsets() const { |
| DCHECK(IsResolved()); |
| return GetField32( |
| OFFSET_OF_OBJECT_MEMBER(Class, reference_instance_offsets_), false); |
| } |
| |
| void SetReferenceInstanceOffsets(uint32_t new_reference_offsets); |
| |
| // Beginning of static field data |
| static MemberOffset FieldsOffset() { |
| return OFFSET_OF_OBJECT_MEMBER(Class, fields_); |
| } |
| |
| // Returns the number of static fields containing reference types. |
| size_t NumReferenceStaticFields() const { |
| DCHECK(IsResolved()); |
| DCHECK(sizeof(size_t) == sizeof(int32_t)); |
| return GetField32( |
| OFFSET_OF_OBJECT_MEMBER(Class, num_reference_static_fields_), false); |
| } |
| |
| size_t NumReferenceStaticFieldsDuringLinking() const { |
| DCHECK(IsLoaded()); |
| DCHECK(sizeof(size_t) == sizeof(int32_t)); |
| return GetField32( |
| OFFSET_OF_OBJECT_MEMBER(Class, num_reference_static_fields_), false); |
| } |
| |
| void SetNumReferenceStaticFields(size_t new_num) { |
| DCHECK(sizeof(size_t) == sizeof(int32_t)); |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Class, num_reference_static_fields_), |
| new_num, false); |
| } |
| |
| ObjectArray<Field>* GetSFields() const { |
| DCHECK(IsLoaded()); |
| return GetFieldObject<ObjectArray<Field>*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, sfields_), false); |
| } |
| |
| void SetSFields(ObjectArray<Field>* new_sfields) { |
| DCHECK(NULL == GetFieldObject<ObjectArray<Field>*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, sfields_), false)); |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, sfields_), |
| new_sfields, false); |
| } |
| |
| size_t NumStaticFields() const { |
| return (GetSFields() != NULL) ? GetSFields()->GetLength() : 0; |
| } |
| |
| Field* GetStaticField(uint32_t i) const { // TODO: uint16_t |
| return GetSFields()->Get(i); |
| } |
| |
| void SetStaticField(uint32_t i, Field* f) { // TODO: uint16_t |
| ObjectArray<Field>* sfields= GetFieldObject<ObjectArray<Field>*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, sfields_), false); |
| sfields->Set(i, f); |
| } |
| |
| uint32_t GetReferenceStaticOffsets() const { |
| return GetField32( |
| OFFSET_OF_OBJECT_MEMBER(Class, reference_static_offsets_), false); |
| } |
| |
| void SetReferenceStaticOffsets(uint32_t new_reference_offsets); |
| |
| // Finds the given instance field in this class or a superclass. |
| Field* FindInstanceField(const StringPiece& name, Class* type); |
| |
| Field* FindDeclaredInstanceField(const StringPiece& name, Class* type); |
| |
| // Finds the given static field in this class or a superclass. |
| Field* FindStaticField(const StringPiece& name, Class* type); |
| |
| Field* FindDeclaredStaticField(const StringPiece& name, Class* type); |
| |
| pid_t GetClinitThreadId() const { |
| DCHECK(IsIdxLoaded()); |
| return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, clinit_thread_id_), false); |
| } |
| |
| void SetClinitThreadId(pid_t new_clinit_thread_id) { |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Class, clinit_thread_id_), |
| new_clinit_thread_id, false); |
| } |
| |
| Class* GetVerifyErrorClass() const { |
| // DCHECK(IsErroneous()); |
| return GetFieldObject<Class*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, verify_error_class_), false); |
| } |
| |
| void SetVerifyErrorClass(Class* klass) { |
| klass->SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, verify_error_class_), |
| klass, false); |
| } |
| |
| const char* GetSourceFile() const { |
| DCHECK(IsLoaded()); |
| return GetFieldPtr<const char*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, source_file_), false); |
| } |
| |
| void SetSourceFile(const char* new_source_file) { |
| SetFieldPtr<const char*>(OFFSET_OF_OBJECT_MEMBER(Class, source_file_), |
| new_source_file, false); |
| } |
| |
| private: |
| bool Implements(const Class* klass) const; |
| bool IsArrayAssignableFromArray(const Class* klass) const; |
| bool IsAssignableFromArray(const Class* klass) const; |
| bool IsSubClass(const Class* klass) const; |
| |
| // descriptor for the class such as "java.lang.Class" or "[C" |
| String* name_; // TODO initialize |
| |
| // defining class loader, or NULL for the "bootstrap" system loader |
| const ClassLoader* class_loader_; |
| |
| // For array classes, the class object for base element, for |
| // instanceof/checkcast (for String[][][], this will be String). |
| // Otherwise, NULL. |
| Class* component_type_; // TODO: make an instance field |
| |
| // descriptor for the class such as "Ljava/lang/Class;" or "[C" |
| String* descriptor_; |
| |
| // DexCache of resolved constant pool entries |
| // (will be NULL for VM-generated, e.g. arrays and primitive classes) |
| DexCache* dex_cache_; |
| |
| // static, private, and <init> methods |
| ObjectArray<Method>* direct_methods_; |
| |
| // instance fields |
| // |
| // These describe the layout of the contents of an Object. |
| // Note that only the fields directly declared by this class are |
| // listed in ifields; fields declared by a superclass are listed in |
| // the superclass's Class.ifields. |
| // |
| // All instance fields that refer to objects are guaranteed to be at |
| // the beginning of the field list. num_reference_instance_fields_ |
| // specifies the number of reference fields. |
| ObjectArray<Field>* ifields_; |
| |
| // array of interfaces this class implements directly |
| // see also interfaces_type_idx_ |
| ObjectArray<Class>* interfaces_; |
| |
| // array of type_idx's for interfaces this class implements directly |
| // see also interfaces_ |
| IntArray* interfaces_type_idx_; |
| |
| // Static fields |
| ObjectArray<Field>* sfields_; |
| |
| // The superclass, or NULL if this is java.lang.Object or a |
| // primitive type. |
| // see also super_class_type_idx_; |
| Class* super_class_; |
| |
| // If class verify fails, we must return same error on subsequent tries. |
| // Update with SetVerifyErrorClass to ensure a write barrier is used. |
| const Class* verify_error_class_; |
| |
| // virtual methods defined in this class; invoked through vtable |
| ObjectArray<Method>* virtual_methods_; |
| |
| // Virtual method table (vtable), for use by "invoke-virtual". The |
| // vtable from the superclass is copied in, and virtual methods from |
| // our class either replace those from the super or are appended. |
| ObjectArray<Method>* vtable_; |
| |
| // access flags; low 16 bits are defined by VM spec |
| uint32_t access_flags_; |
| |
| // For array classes, the number of array dimensions, e.g. int[][] |
| // is 2. Otherwise 0. |
| int32_t array_rank_; |
| |
| // Total class size; used when allocating storage on gc heap. |
| size_t class_size_; |
| |
| // threadId, used to check for recursive <clinit> invocation |
| pid_t clinit_thread_id_; |
| |
| // Interface table (iftable_), one entry per interface supported by |
| // this class. That means one entry for each interface we support |
| // directly, indirectly via superclass, or indirectly via |
| // superinterface. This will be null if neither we nor our |
| // superclass implement any interfaces. |
| // |
| // Why we need this: given "class Foo implements Face", declare |
| // "Face faceObj = new Foo()". Invoke faceObj.blah(), where "blah" |
| // is part of the Face interface. We can't easily use a single |
| // vtable. |
| // |
| // For every interface a concrete class implements, we create a list |
| // of virtualMethod indices for the methods in the interface. |
| // |
| // see also iftable_count_; |
| // TODO convert to ObjectArray<?> |
| // |
| InterfaceEntry* iftable_; |
| |
| // size of iftable_ |
| size_t iftable_count_; |
| |
| // The interface vtable indices for iftable get stored here. By |
| // placing them all in a single pool for each class that implements |
| // interfaces, we decrease the number of allocations. |
| // |
| // see also ifvi_pool_count_ |
| // |
| // TODO convert to IntArray |
| uint32_t* ifvi_pool_; |
| |
| // size of ifvi_pool_ |
| size_t ifvi_pool_count_; |
| |
| // number of instance fields that are object refs |
| size_t num_reference_instance_fields_; |
| |
| // number of static fields that are object refs |
| size_t num_reference_static_fields_; |
| |
| // Total object size; used when allocating storage on gc heap. |
| // (For interfaces and abstract classes this will be zero.) |
| size_t object_size_; |
| |
| // primitive type index, or kPrimNot (0); set for generated prim classes |
| PrimitiveType primitive_type_; |
| |
| // Bitmap of offsets of ifields. |
| uint32_t reference_instance_offsets_; |
| |
| // Bitmap of offsets of sfields. |
| uint32_t reference_static_offsets_; |
| |
| // source file name, if known. Otherwise, NULL. |
| const char* source_file_; |
| |
| // state of class initialization |
| Status status_; |
| |
| // Set in LoadClass, used to LinkClass |
| // see also super_class_ |
| uint32_t super_class_type_idx_; |
| |
| // TODO: ? |
| // initiating class loader list |
| // NOTE: for classes with low serialNumber, these are unused, and the |
| // values are kept in a table in gDvm. |
| // InitiatingLoaderList initiating_loader_list_; |
| |
| // Location of first static field. |
| uint32_t fields_[0]; |
| |
| friend struct ClassOffsets; // for verifying offset information |
| DISALLOW_IMPLICIT_CONSTRUCTORS(Class); |
| }; |
| |
| std::ostream& operator<<(std::ostream& os, const Class::Status& rhs); |
| |
| inline void Object::SetClass(Class* new_klass) { |
| // new_klass may be NULL prior to class linker initialization |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Object, klass_), new_klass, false); |
| } |
| |
| inline bool Object::InstanceOf(const Class* klass) const { |
| DCHECK(klass != NULL); |
| DCHECK(GetClass() != NULL); |
| return klass->IsAssignableFrom(GetClass()); |
| } |
| |
| inline bool Object::IsClass() const { |
| Class* java_lang_Class = GetClass()->GetClass(); |
| return GetClass() == java_lang_Class; |
| } |
| |
| inline bool Object::IsClassClass() const { |
| Class* java_lang_Class = GetClass()->GetClass(); |
| return this == java_lang_Class; |
| } |
| |
| inline bool Object::IsObjectArray() const { |
| return IsArrayInstance() && !GetClass()->GetComponentType()->IsPrimitive(); |
| } |
| |
| inline bool Object::IsArrayInstance() const { |
| return GetClass()->IsArrayClass(); |
| } |
| |
| inline bool Object::IsField() const { |
| Class* java_lang_Class = klass_->klass_; |
| Class* java_lang_reflect_Field = |
| java_lang_Class->GetInstanceField(0)->GetClass(); |
| return GetClass() == java_lang_reflect_Field; |
| } |
| |
| inline bool Object::IsMethod() const { |
| Class* java_lang_Class = GetClass()->GetClass(); |
| Class* java_lang_reflect_Method = |
| java_lang_Class->GetDirectMethod(0)->GetClass(); |
| return GetClass() == java_lang_reflect_Method; |
| } |
| |
| inline bool Object::IsReferenceInstance() const { |
| return GetClass()->IsReferenceClass(); |
| } |
| |
| inline bool Object::IsWeakReferenceInstance() const { |
| return GetClass()->IsWeakReferenceClass(); |
| } |
| |
| inline bool Object::IsSoftReferenceInstance() const { |
| return GetClass()->IsSoftReferenceClass(); |
| } |
| |
| inline bool Object::IsFinalizerReferenceInstance() const { |
| return GetClass()->IsFinalizerReferenceClass(); |
| } |
| |
| inline bool Object::IsPhantomReferenceInstance() const { |
| return GetClass()->IsPhantomReferenceClass(); |
| } |
| |
| inline size_t Object::SizeOf() const { |
| size_t result; |
| if (IsArrayInstance()) { |
| result = AsArray()->SizeOf(); |
| } else if (IsClass()) { |
| result = AsClass()->SizeOf(); |
| } else { |
| result = GetClass()->GetObjectSize(); |
| } |
| DCHECK(!IsField() || result == sizeof(Field)); |
| DCHECK(!IsMethod() || result == sizeof(Method)); |
| return result; |
| } |
| |
| inline void Field::SetOffset(MemberOffset num_bytes) { |
| DCHECK(GetDeclaringClass()->IsLoaded()); |
| Class* type = GetTypeDuringLinking(); |
| if (type != NULL && (type->IsPrimitiveDouble() || type->IsPrimitiveLong())) { |
| DCHECK(IsAligned(num_bytes.Uint32Value(), 8)); |
| } |
| SetField32(OFFSET_OF_OBJECT_MEMBER(Field, offset_), |
| num_bytes.Uint32Value(), false); |
| } |
| |
| inline Class* Field::GetDeclaringClass() const { |
| Class* result = GetFieldObject<Class*>( |
| OFFSET_OF_OBJECT_MEMBER(Field, declaring_class_), false); |
| DCHECK(result != NULL); |
| DCHECK(result->IsLoaded()); |
| return result; |
| } |
| |
| inline void Field::SetDeclaringClass(Class *new_declaring_class) { |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Field, declaring_class_), |
| new_declaring_class, false); |
| } |
| |
| inline Class* Method::GetDeclaringClass() const { |
| Class* result = |
| GetFieldObject<Class*>( |
| OFFSET_OF_OBJECT_MEMBER(Method, declaring_class_), false); |
| DCHECK(result != NULL); |
| DCHECK(result->IsLoaded()); |
| return result; |
| } |
| |
| inline void Method::SetDeclaringClass(Class *new_declaring_class) { |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Method, declaring_class_), |
| new_declaring_class, false); |
| } |
| |
| inline uint32_t Method::GetReturnTypeIdx() const { |
| DCHECK(GetDeclaringClass()->IsResolved()); |
| return GetField32(OFFSET_OF_OBJECT_MEMBER(Method, java_return_type_idx_), |
| false); |
| } |
| |
| inline bool Method::IsReturnAReference() const { |
| return !GetReturnType()->IsPrimitive(); |
| } |
| |
| inline bool Method::IsReturnAFloat() const { |
| return GetReturnType()->IsPrimitiveFloat(); |
| } |
| |
| inline bool Method::IsReturnADouble() const { |
| return GetReturnType()->IsPrimitiveDouble(); |
| } |
| |
| inline bool Method::IsReturnALong() const { |
| return GetReturnType()->IsPrimitiveLong(); |
| } |
| |
| inline bool Method::IsReturnVoid() const { |
| return GetReturnType()->IsPrimitiveVoid(); |
| } |
| |
| inline size_t Array::SizeOf() const { |
| return SizeOf(GetLength(), GetClass()->GetComponentSize()); |
| } |
| |
| template<class T> |
| void ObjectArray<T>::Set(int32_t i, T* object) { |
| if (IsValidIndex(i)) { |
| if (object != NULL) { |
| Class* element_class = GetClass()->GetComponentType(); |
| DCHECK(!element_class->IsPrimitive()); |
| // TODO: ArrayStoreException |
| CHECK(object->InstanceOf(element_class)); |
| } |
| MemberOffset data_offset(DataOffset().Int32Value() + i * sizeof(Object*)); |
| SetFieldObject(data_offset, object, false); |
| } |
| } |
| |
| template<class T> |
| void ObjectArray<T>::SetWithoutChecks(int32_t i, T* object) { |
| DCHECK(IsValidIndex(i)); |
| MemberOffset data_offset(DataOffset().Int32Value() + i * sizeof(Object*)); |
| SetFieldObject(data_offset, object, false); |
| } |
| |
| template<class T> |
| void ObjectArray<T>::Copy(const ObjectArray<T>* src, int src_pos, |
| ObjectArray<T>* dst, int dst_pos, |
| size_t length) { |
| if (src->IsValidIndex(src_pos) && |
| src->IsValidIndex(src_pos+length-1) && |
| dst->IsValidIndex(dst_pos) && |
| dst->IsValidIndex(dst_pos+length-1)) { |
| MemberOffset src_offset(DataOffset().Int32Value() + |
| src_pos * sizeof(Object*)); |
| MemberOffset dst_offset(DataOffset().Int32Value() + |
| dst_pos * sizeof(Object*)); |
| Class* array_class = dst->GetClass(); |
| if (array_class == src->GetClass()) { |
| // No need for array store checks if arrays are of the same type |
| for (size_t i=0; i < length; i++) { |
| Object* object = src->GetFieldObject<Object*>(src_offset, false); |
| dst->SetFieldObject(dst_offset, object, false); |
| src_offset = MemberOffset(src_offset.Uint32Value() + sizeof(Object*)); |
| dst_offset = MemberOffset(dst_offset.Uint32Value() + sizeof(Object*)); |
| } |
| } else { |
| Class* element_class = array_class->GetComponentType(); |
| CHECK(!element_class->IsPrimitive()); |
| for (size_t i=0; i < length; i++) { |
| Object* object = src->GetFieldObject<Object*>(src_offset, false); |
| // TODO: ArrayStoreException |
| CHECK(object == NULL || object->InstanceOf(element_class)); |
| dst->SetFieldObject(dst_offset, object, false); |
| src_offset = MemberOffset(src_offset.Uint32Value() + sizeof(Object*)); |
| dst_offset = MemberOffset(dst_offset.Uint32Value() + sizeof(Object*)); |
| } |
| } |
| // TODO: bulk write barrier |
| } |
| } |
| |
| class ClassClass : public Class { |
| private: |
| // Padding to ensure the 64-bit serialVersionUID_ begins on a 8-byte boundary |
| int32_t padding_; |
| int64_t serialVersionUID_; |
| friend struct ClassClassOffsets; // for verifying offset information |
| DISALLOW_IMPLICIT_CONSTRUCTORS(ClassClass); |
| }; |
| |
| class StringClass : public Class { |
| private: |
| CharArray* ASCII_; |
| Object* CASE_INSENSITIVE_ORDER_; |
| uint32_t REPLACEMENT_CHAR_; |
| int64_t serialVersionUID_; |
| friend struct StringClassOffsets; // for verifying offset information |
| DISALLOW_IMPLICIT_CONSTRUCTORS(StringClass); |
| }; |
| |
| class FieldClass : public Class { |
| private: |
| Object* ORDER_BY_NAME_AND_DECLARING_CLASS_; |
| uint32_t TYPE_BOOLEAN_; |
| uint32_t TYPE_BYTE_; |
| uint32_t TYPE_CHAR_; |
| uint32_t TYPE_DOUBLE_; |
| uint32_t TYPE_FLOAT_; |
| uint32_t TYPE_INTEGER_; |
| uint32_t TYPE_LONG_; |
| uint32_t TYPE_SHORT_; |
| friend struct FieldClassOffsets; // for verifying offset information |
| DISALLOW_IMPLICIT_CONSTRUCTORS(FieldClass); |
| }; |
| |
| class MethodClass : public Class { |
| private: |
| ObjectArray<Object>* NO_ANNOTATIONS_; |
| Object* ORDER_BY_SIGNATURE_; |
| friend struct MethodClassOffsets; // for verifying offset information |
| DISALLOW_IMPLICIT_CONSTRUCTORS(MethodClass); |
| }; |
| |
| template<class T> |
| class PrimitiveArray : public Array { |
| public: |
| typedef T ElementType; |
| |
| static PrimitiveArray<T>* Alloc(size_t length); |
| |
| const T* GetData() const { |
| return reinterpret_cast<const T*>(&elements_); |
| } |
| |
| T* GetData() { |
| return reinterpret_cast<T*>(&elements_); |
| } |
| |
| T Get(int32_t i) const { |
| if (!IsValidIndex(i)) { |
| return T(0); |
| } |
| return GetData()[i]; |
| } |
| |
| void Set(int32_t i, T value) { |
| // TODO: ArrayStoreException |
| if (IsValidIndex(i)) { |
| GetData()[i] = value; |
| } |
| } |
| |
| static void SetArrayClass(Class* array_class) { |
| CHECK(array_class_ == NULL); |
| CHECK(array_class != NULL); |
| array_class_ = array_class; |
| } |
| |
| static void ResetArrayClass() { |
| CHECK(array_class_ != NULL); |
| array_class_ = NULL; |
| } |
| |
| private: |
| // Location of first element. |
| T elements_[0]; |
| |
| static Class* array_class_; |
| |
| DISALLOW_IMPLICIT_CONSTRUCTORS(PrimitiveArray); |
| }; |
| |
| inline void Class::SetInterfacesTypeIdx(IntArray* new_interfaces_idx) { |
| DCHECK(NULL == GetFieldObject<IntArray*>( |
| OFFSET_OF_OBJECT_MEMBER(Class, interfaces_type_idx_), false)); |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, interfaces_type_idx_), |
| new_interfaces_idx, false); |
| } |
| |
| // C++ mirror of java.lang.String |
| class String : public Object { |
| public: |
| const CharArray* GetCharArray() const { |
| const CharArray* result = GetFieldObject<const CharArray*>( |
| OFFSET_OF_OBJECT_MEMBER(String, array_), false); |
| DCHECK(result != NULL); |
| return result; |
| } |
| |
| int32_t GetOffset() const { |
| int32_t result = GetField32( |
| OFFSET_OF_OBJECT_MEMBER(String, offset_), false); |
| DCHECK_LE(0, result); |
| return result; |
| } |
| |
| int32_t GetLength() const; |
| |
| int32_t GetHashCode() const; |
| |
| void ComputeHashCode() { |
| SetHashCode(ComputeUtf16Hash(GetCharArray(), GetOffset(), GetLength())); |
| } |
| |
| int32_t GetUtfLength() const { |
| return CountUtf8Bytes(GetCharArray()->GetData(), GetLength()); |
| } |
| |
| uint16_t CharAt(int32_t index) const; |
| |
| const String* Intern() const; |
| |
| static String* AllocFromUtf16(int32_t utf16_length, |
| const uint16_t* utf16_data_in, |
| int32_t hash_code = 0); |
| |
| static String* AllocFromModifiedUtf8(const char* utf); |
| |
| static String* AllocFromModifiedUtf8(int32_t utf16_length, |
| const char* utf8_data_in); |
| |
| static String* Alloc(Class* java_lang_String, int32_t utf16_length); |
| |
| static String* Alloc(Class* java_lang_String, CharArray* array); |
| |
| bool Equals(const char* modified_utf8) const; |
| |
| // TODO: do we need this overload? give it a more intention-revealing name. |
| bool Equals(const StringPiece& modified_utf8) const; |
| |
| bool Equals(const String* that) const; |
| |
| // TODO: do we need this overload? give it a more intention-revealing name. |
| bool Equals(const uint16_t* that_chars, int32_t that_offset, |
| int32_t that_length) const; |
| |
| // Create a modified UTF-8 encoded std::string from a java/lang/String object. |
| std::string ToModifiedUtf8() const; |
| |
| static Class* GetJavaLangString() { |
| DCHECK(java_lang_String_ != NULL); |
| return java_lang_String_; |
| } |
| |
| static void SetClass(Class* java_lang_String); |
| static void ResetClass(); |
| |
| private: |
| void SetHashCode(int32_t new_hash_code) { |
| DCHECK_EQ(0u, |
| GetField32(OFFSET_OF_OBJECT_MEMBER(String, hash_code_), false)); |
| SetField32(OFFSET_OF_OBJECT_MEMBER(String, hash_code_), |
| new_hash_code, false); |
| } |
| |
| void SetCount(int32_t new_count) { |
| DCHECK_LE(0, new_count); |
| SetField32(OFFSET_OF_OBJECT_MEMBER(String, count_), new_count, false); |
| } |
| |
| void SetOffset(int32_t new_offset) { |
| DCHECK_LE(0, new_offset); |
| DCHECK_GE(GetLength(), new_offset); |
| SetField32(OFFSET_OF_OBJECT_MEMBER(String, offset_), new_offset, false); |
| } |
| |
| void SetArray(CharArray* new_array) { |
| DCHECK(new_array != NULL); |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(String, array_), new_array, false); |
| } |
| |
| // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
| CharArray* array_; |
| |
| int32_t count_; |
| |
| uint32_t hash_code_; |
| |
| int32_t offset_; |
| |
| static Class* java_lang_String_; |
| |
| friend struct StringOffsets; // for verifying offset information |
| DISALLOW_IMPLICIT_CONSTRUCTORS(String); |
| }; |
| |
| inline const String* Field::GetName() const { |
| DCHECK(GetDeclaringClass()->IsLoaded()); |
| String* result = |
| GetFieldObject<String*>(OFFSET_OF_OBJECT_MEMBER(Field, name_), false); |
| DCHECK(result != NULL); |
| return result; |
| } |
| |
| inline void Field::SetName(String* new_name) { |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Field, name_), |
| new_name, false); |
| } |
| |
| inline uint32_t Field::GetAccessFlags() const { |
| DCHECK(GetDeclaringClass()->IsLoaded()); |
| return GetField32(OFFSET_OF_OBJECT_MEMBER(Field, access_flags_), false); |
| } |
| |
| inline uint32_t Field::GetTypeIdx() const { |
| DCHECK(GetDeclaringClass()->IsIdxLoaded()); |
| return GetField32(OFFSET_OF_OBJECT_MEMBER(Field, type_idx_), false); |
| } |
| |
| inline MemberOffset Field::GetOffset() const { |
| DCHECK(GetDeclaringClass()->IsResolved()); |
| return MemberOffset( |
| GetField32(OFFSET_OF_OBJECT_MEMBER(Field, offset_), false)); |
| } |
| |
| inline MemberOffset Field::GetOffsetDuringLinking() const { |
| DCHECK(GetDeclaringClass()->IsLoaded()); |
| return MemberOffset( |
| GetField32(OFFSET_OF_OBJECT_MEMBER(Field, offset_), false)); |
| } |
| |
| inline const String* Method::GetName() const { |
| DCHECK(GetDeclaringClass()->IsLoaded()); |
| const String* result = |
| GetFieldObject<const String*>( |
| OFFSET_OF_OBJECT_MEMBER(Method, name_), false); |
| DCHECK(result != NULL); |
| return result; |
| } |
| |
| inline void Method::SetName(String* new_name) { |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Method, name_), |
| new_name, false); |
| |
| } |
| |
| inline String* Method::GetShorty() const { |
| DCHECK(GetDeclaringClass()->IsLoaded()); |
| return GetFieldObject<String*>( |
| OFFSET_OF_OBJECT_MEMBER(Method, shorty_), false); |
| } |
| |
| inline void Method::SetShorty(String* new_shorty) { |
| DCHECK(NULL == GetFieldObject<String*>( |
| OFFSET_OF_OBJECT_MEMBER(Method, shorty_), false)); |
| DCHECK_LE(1, new_shorty->GetLength()); |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Method, shorty_), new_shorty, false); |
| } |
| |
| inline const String* Method::GetSignature() const { |
| DCHECK(GetDeclaringClass()->IsLoaded()); |
| const String* result = |
| GetFieldObject<const String*>( |
| OFFSET_OF_OBJECT_MEMBER(Method, signature_), false); |
| DCHECK(result != NULL); |
| return result; |
| } |
| |
| inline void Method::SetSignature(String* new_signature) { |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Method, signature_), |
| new_signature, false); |
| } |
| |
| inline uint32_t Class::GetAccessFlags() const { |
| // Check class is loaded or this is java.lang.String that has a |
| // circularity issue during loading the names of its members |
| DCHECK(IsLoaded() || this == String::GetJavaLangString() || |
| this == Field::GetJavaLangReflectField() || |
| this == Method::GetJavaLangReflectMethod()); |
| return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, access_flags_), false); |
| } |
| |
| inline void Class::SetDescriptor(String* new_descriptor) { |
| DCHECK(GetDescriptor() == NULL); |
| DCHECK(new_descriptor != NULL); |
| DCHECK_NE(0, new_descriptor->GetLength()); |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, descriptor_), |
| new_descriptor, false); |
| } |
| |
| inline uint32_t Method::GetAccessFlags() const { |
| DCHECK(GetDeclaringClass()->IsLoaded()); |
| return GetField32(OFFSET_OF_OBJECT_MEMBER(Method, access_flags_), false); |
| } |
| |
| inline uint16_t Method::GetMethodIndex() const { |
| DCHECK(GetDeclaringClass()->IsResolved()); |
| return GetField16(OFFSET_OF_OBJECT_MEMBER(Method, method_index_), false); |
| } |
| |
| inline uint16_t Method::NumRegisters() const { |
| DCHECK(GetDeclaringClass()->IsLoaded()); |
| return GetField16(OFFSET_OF_OBJECT_MEMBER(Method, num_registers_), false); |
| } |
| |
| inline uint16_t Method::NumIns() const { |
| DCHECK(GetDeclaringClass()->IsLoaded()); |
| return GetField16(OFFSET_OF_OBJECT_MEMBER(Method, num_ins_), false); |
| } |
| |
| inline uint16_t Method::NumOuts() const { |
| DCHECK(GetDeclaringClass()->IsLoaded()); |
| return GetField16(OFFSET_OF_OBJECT_MEMBER(Method, num_outs_), false); |
| } |
| |
| inline uint32_t Method::GetProtoIdx() const { |
| DCHECK(GetDeclaringClass()->IsLoaded()); |
| return GetField32(OFFSET_OF_OBJECT_MEMBER(Method, proto_idx_), false); |
| } |
| |
| // C++ mirror of java.lang.Throwable |
| class Throwable : public Object { |
| public: |
| void SetDetailMessage(String* new_detail_message) { |
| SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Throwable, detail_message_), |
| new_detail_message, false); |
| } |
| |
| private: |
| // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
| Throwable* cause_; |
| String* detail_message_; |
| Object* stack_state_; // Note this is Java volatile: |
| Object* stack_trace_; |
| Object* suppressed_exceptions_; |
| |
| friend struct ThrowableOffsets; // for verifying offset information |
| DISALLOW_IMPLICIT_CONSTRUCTORS(Throwable); |
| }; |
| |
| // C++ mirror of java.lang.StackTraceElement |
| class StackTraceElement : public Object { |
| public: |
| const String* GetDeclaringClass() const { |
| return GetFieldObject<const String*>( |
| OFFSET_OF_OBJECT_MEMBER(StackTraceElement, declaring_class_), false); |
| } |
| |
| const String* GetMethodName() const { |
| return GetFieldObject<const String*>( |
| OFFSET_OF_OBJECT_MEMBER(StackTraceElement, method_name_), false); |
| } |
| |
| const String* GetFileName() const { |
| return GetFieldObject<const String*>( |
| OFFSET_OF_OBJECT_MEMBER(StackTraceElement, file_name_), false); |
| } |
| |
| int32_t GetLineNumber() const { |
| return GetField32( |
| OFFSET_OF_OBJECT_MEMBER(StackTraceElement, line_number_), false); |
| } |
| |
| static StackTraceElement* Alloc(const String* declaring_class, |
| const String* method_name, |
| const String* file_name, |
| int32_t line_number); |
| |
| static void SetClass(Class* java_lang_StackTraceElement); |
| |
| static void ResetClass(); |
| |
| private: |
| // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
| const String* declaring_class_; |
| const String* file_name_; |
| const String* method_name_; |
| int32_t line_number_; |
| |
| static Class* GetStackTraceElement() { |
| DCHECK(java_lang_StackTraceElement_ != NULL); |
| return java_lang_StackTraceElement_; |
| } |
| |
| static Class* java_lang_StackTraceElement_; |
| |
| friend struct StackTraceElementOffsets; // for verifying offset information |
| DISALLOW_IMPLICIT_CONSTRUCTORS(StackTraceElement); |
| }; |
| |
| class InterfaceEntry { |
| public: |
| InterfaceEntry() : interface_(NULL), method_index_array_(NULL) { |
| } |
| |
| Class* GetInterface() const { |
| DCHECK(interface_ != NULL); |
| return interface_; |
| } |
| |
| void SetInterface(Class* interface) { |
| DCHECK(interface->IsInterface()); |
| interface_ = interface; |
| } |
| |
| uint32_t* GetMethodIndexArray() const { |
| return method_index_array_; |
| } |
| |
| void SetMethodIndexArray(uint32_t* new_mia) { |
| method_index_array_ = new_mia; |
| } |
| |
| private: |
| // Points to the interface class. |
| Class* interface_; |
| |
| // Index into array of vtable offsets. This points into the |
| // ifvi_pool_, which holds the vtables for all interfaces declared by |
| // this class. |
| uint32_t* method_index_array_; |
| |
| DISALLOW_COPY_AND_ASSIGN(InterfaceEntry); |
| }; |
| |
| } // namespace art |
| |
| #endif // ART_SRC_OBJECT_H_ |