xref: /aosp_15_r20/art/runtime/native/java_lang_Object.cc (revision 795d594fd825385562da6b089ea9b2033f3abf5a)

/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "java_lang_Object.h"

#include "nativehelper/jni_macros.h"

#include "handle_scope-inl.h"
#include "jni/jni_internal.h"
#include "mirror/object-inl.h"
#include "native_util.h"
#include "scoped_fast_native_object_access-inl.h"

namespace art HIDDEN {

static jobject Object_internalClone(JNIEnv* env, jobject java_this) {
  ScopedFastNativeObjectAccess soa(env);
  StackHandleScope<1u> hs(soa.Self());
  Handle<mirror::Object> o = hs.NewHandle(soa.Decode<mirror::Object>(java_this));
  return soa.AddLocalReference<jobject>(mirror::Class::Clone(o, soa.Self()));
}

static void Object_notify(JNIEnv* env, jobject java_this) {
  ScopedFastNativeObjectAccess soa(env);
  soa.Decode<mirror::Object>(java_this)->Notify(soa.Self());
}

static void Object_notifyAll(JNIEnv* env, jobject java_this) {
  ScopedFastNativeObjectAccess soa(env);
  soa.Decode<mirror::Object>(java_this)->NotifyAll(soa.Self());
}

static void Object_waitJI(JNIEnv* env, jobject java_this, jlong ms, jint ns) {
  ScopedFastNativeObjectAccess soa(env);
  soa.Decode<mirror::Object>(java_this)->Wait(soa.Self(), ms, ns);
}

static jint Object_identityHashCodeNative(JNIEnv* env, jclass, jobject javaObject) {
  ScopedFastNativeObjectAccess soa(env);
  ObjPtr<mirror::Object> o = soa.Decode<mirror::Object>(javaObject);
  return static_cast<jint>(o->IdentityHashCode());
}

static JNINativeMethod gMethods[] = {
  FAST_NATIVE_METHOD(Object, internalClone, "()Ljava/lang/Object;"),
  FAST_NATIVE_METHOD(Object, notify, "()V"),
  FAST_NATIVE_METHOD(Object, notifyAll, "()V"),
  OVERLOADED_FAST_NATIVE_METHOD(Object, wait, "(JI)V", waitJI),
  FAST_NATIVE_METHOD(Object, identityHashCodeNative, "(Ljava/lang/Object;)I"),
};

void register_java_lang_Object(JNIEnv* env) {
  REGISTER_NATIVE_METHODS("java/lang/Object");
}

}  // namespace art