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Diffstat (limited to 'runtime/mirror/field.h')
| -rw-r--r-- | runtime/mirror/field.h | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/runtime/mirror/field.h b/runtime/mirror/field.h new file mode 100644 index 0000000000..4e7abe8550 --- /dev/null +++ b/runtime/mirror/field.h @@ -0,0 +1,168 @@ +/* + * 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_SRC_MIRROR_FIELD_H_ +#define ART_SRC_MIRROR_FIELD_H_ + +#include "class.h" +#include "modifiers.h" +#include "object.h" + +namespace art { + +struct FieldClassOffsets; +struct FieldOffsets; + +namespace mirror { + +// C++ mirror of java.lang.reflect.Field +class MANAGED Field : public Object { + public: + Class* GetDeclaringClass() const; + + void SetDeclaringClass(Class *new_declaring_class) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + + uint32_t GetAccessFlags() const; + + void SetAccessFlags(uint32_t new_access_flags) { + SetField32(OFFSET_OF_OBJECT_MEMBER(Field, access_flags_), new_access_flags, false); + } + + bool IsPublic() const { + return (GetAccessFlags() & kAccPublic) != 0; + } + + bool IsStatic() const { + return (GetAccessFlags() & kAccStatic) != 0; + } + + bool IsFinal() const { + return (GetAccessFlags() & kAccFinal) != 0; + } + + uint32_t GetDexFieldIndex() const { + return GetField32(OFFSET_OF_OBJECT_MEMBER(Field, field_dex_idx_), false); + } + + void SetDexFieldIndex(uint32_t new_idx) { + SetField32(OFFSET_OF_OBJECT_MEMBER(Field, field_dex_idx_), new_idx, false); + } + + // Offset to field within an Object + MemberOffset GetOffset() const; + + static MemberOffset OffsetOffset() { + return MemberOffset(OFFSETOF_MEMBER(Field, offset_)); + } + + MemberOffset GetOffsetDuringLinking() const; + + void SetOffset(MemberOffset num_bytes); + + // field access, null object for static fields + bool GetBoolean(const Object* object) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + void SetBoolean(Object* object, bool z) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + int8_t GetByte(const Object* object) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + void SetByte(Object* object, int8_t b) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + uint16_t GetChar(const Object* object) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + void SetChar(Object* object, uint16_t c) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + int16_t GetShort(const Object* object) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + void SetShort(Object* object, int16_t s) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + int32_t GetInt(const Object* object) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + void SetInt(Object* object, int32_t i) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + int64_t GetLong(const Object* object) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + void SetLong(Object* object, int64_t j) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + float GetFloat(const Object* object) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + void SetFloat(Object* object, float f) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + double GetDouble(const Object* object) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + void SetDouble(Object* object, double d) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + Object* GetObject(const Object* object) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + void SetObject(Object* object, const Object* l) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + + // raw field accesses + uint32_t Get32(const Object* object) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + void Set32(Object* object, uint32_t new_value) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + uint64_t Get64(const Object* object) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + void Set64(Object* object, uint64_t new_value) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + Object* GetObj(const Object* object) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + void SetObj(Object* object, const Object* new_value) const + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + + 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: + // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". + // The class we are a part of + Class* declaring_class_; + + uint32_t access_flags_; + + // Dex cache index of field id + uint32_t field_dex_idx_; + + // Offset of field within an instance or in the Class' static fields + uint32_t offset_; + + static Class* java_lang_reflect_Field_; + + friend struct art::FieldOffsets; // for verifying offset information + DISALLOW_IMPLICIT_CONSTRUCTORS(Field); +}; + +class MANAGED FieldClass : public Class { + private: + Object* ORDER_BY_NAME_AND_DECLARING_CLASS_; + friend struct art::FieldClassOffsets; // for verifying offset information + DISALLOW_IMPLICIT_CONSTRUCTORS(FieldClass); +}; + +} // namespace mirror +} // namespace art + +#endif // ART_SRC_MIRROR_FIELD_H_ |