1 files changed, 181 insertions, 0 deletions
diff --git a/src/mirror/object-inl.h b/src/mirror/object-inl.h
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+++ b/src/mirror/object-inl.h
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+/*
+ * 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_OBJECT_INL_H_
+#define ART_SRC_MIRROR_OBJECT_INL_H_
+
+#include "object.h"
+
+#include "abstract_method.h"
+#include "atomic.h"
+#include "array.h"
+#include "field.h"
+#include "class.h"
+#include "runtime.h"
+
+namespace art {
+namespace mirror {
+
+inline Class* Object::GetClass() const {
+  return GetFieldObject<Class*>(OFFSET_OF_OBJECT_MEMBER(Object, klass_), false);
+}
+
+inline void Object::SetClass(Class* new_klass) {
+  // new_klass may be NULL prior to class linker initialization
+  // We don't mark the card since the class is guaranteed to be referenced from another location.
+  // Proxy classes are held live by the class loader, and other classes are roots of the class
+  // linker.
+  SetFieldPtr(OFFSET_OF_OBJECT_MEMBER(Object, klass_), new_klass, false, 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 Class* Object::AsClass() {
+  DCHECK(IsClass());
+  return down_cast<Class*>(this);
+}
+
+inline const Class* Object::AsClass() const {
+  DCHECK(IsClass());
+  return down_cast<const Class*>(this);
+}
+
+inline bool Object::IsObjectArray() const {
+  return IsArrayInstance() && !GetClass()->GetComponentType()->IsPrimitive();
+}
+
+template<class T>
+inline ObjectArray<T>* Object::AsObjectArray() {
+  DCHECK(IsObjectArray());
+  return down_cast<ObjectArray<T>*>(this);
+}
+
+template<class T>
+inline const ObjectArray<T>* Object::AsObjectArray() const {
+  DCHECK(IsObjectArray());
+  return down_cast<const ObjectArray<T>*>(this);
+}
+
+inline bool Object::IsArrayInstance() const {
+  return GetClass()->IsArrayClass();
+}
+
+inline bool Object::IsField() const {
+  return GetClass()->IsFieldClass();
+}
+
+inline Field* Object::AsField() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+  DCHECK(IsField());
+  return down_cast<Field*>(this);
+}
+
+inline const Field* Object::AsField() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+  DCHECK(IsField());
+  return down_cast<const Field*>(this);
+}
+
+inline bool Object::IsMethod() const {
+  return GetClass()->IsMethodClass();
+}
+
+inline AbstractMethod* Object::AsMethod() {
+  DCHECK(IsMethod());
+  return down_cast<AbstractMethod*>(this);
+}
+
+inline const AbstractMethod* Object::AsMethod() const {
+  DCHECK(IsMethod());
+  return down_cast<const AbstractMethod*>(this);
+}
+
+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(AbstractMethod));
+  return result;
+}
+
+inline uint64_t Object::GetField64(MemberOffset field_offset, bool is_volatile) const {
+  VerifyObject(this);
+  const byte* raw_addr = reinterpret_cast<const byte*>(this) + field_offset.Int32Value();
+  const int64_t* addr = reinterpret_cast<const int64_t*>(raw_addr);
+  if (UNLIKELY(is_volatile)) {
+    uint64_t result = QuasiAtomic::Read64(addr);
+    ANDROID_MEMBAR_FULL();
+    return result;
+  } else {
+    return *addr;
+  }
+}
+
+inline void Object::SetField64(MemberOffset field_offset, uint64_t new_value, bool is_volatile) {
+  VerifyObject(this);
+  byte* raw_addr = reinterpret_cast<byte*>(this) + field_offset.Int32Value();
+  int64_t* addr = reinterpret_cast<int64_t*>(raw_addr);
+  if (UNLIKELY(is_volatile)) {
+    ANDROID_MEMBAR_STORE();
+    QuasiAtomic::Write64(addr, new_value);
+    // Post-store barrier not required due to use of atomic op or mutex.
+  } else {
+    *addr = new_value;
+  }
+}
+
+inline void Object::WriteBarrierField(const Object* dst, MemberOffset field_offset,
+                                      const Object* new_value) {
+  Runtime::Current()->GetHeap()->WriteBarrierField(dst, field_offset, new_value);
+}
+
+}  // namespace mirror
+}  // namespace art
+
+#endif  // ART_SRC_MIRROR_OBJECT_INL_H_