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      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 /*
     18  * java.lang.Object
     19  */
     20 #include "Dalvik.h"
     21 #include "native/InternalNativePriv.h"
     22 
     23 
     24 /*
     25  * private Object internalClone()
     26  *
     27  * Implements most of Object.clone().
     28  */
     29 static void Dalvik_java_lang_Object_internalClone(const u4* args,
     30     JValue* pResult)
     31 {
     32     Object* thisPtr = (Object*) args[0];
     33     Object* clone = dvmCloneObject(thisPtr);
     34 
     35     dvmReleaseTrackedAlloc(clone, NULL);
     36     RETURN_PTR(clone);
     37 }
     38 
     39 /*
     40  * public int hashCode()
     41  */
     42 static void Dalvik_java_lang_Object_hashCode(const u4* args, JValue* pResult)
     43 {
     44     Object* thisPtr = (Object*) args[0];
     45     RETURN_INT(dvmIdentityHashCode(thisPtr));
     46 }
     47 
     48 /*
     49  * public Class getClass()
     50  */
     51 static void Dalvik_java_lang_Object_getClass(const u4* args, JValue* pResult)
     52 {
     53     Object* thisPtr = (Object*) args[0];
     54 
     55     RETURN_PTR(thisPtr->clazz);
     56 }
     57 
     58 /*
     59  * public void notify()
     60  *
     61  * NOTE: we declare this as a full DalvikBridgeFunc, rather than a
     62  * DalvikNativeFunc, because we really want to avoid the "self" lookup.
     63  */
     64 static void Dalvik_java_lang_Object_notify(const u4* args, JValue* pResult,
     65     const Method* method, Thread* self)
     66 {
     67     Object* thisPtr = (Object*) args[0];
     68 
     69     dvmObjectNotify(self, thisPtr);
     70     RETURN_VOID();
     71 }
     72 
     73 /*
     74  * public void notifyAll()
     75  */
     76 static void Dalvik_java_lang_Object_notifyAll(const u4* args, JValue* pResult,
     77     const Method* method, Thread* self)
     78 {
     79     Object* thisPtr = (Object*) args[0];
     80 
     81     dvmObjectNotifyAll(self, thisPtr);
     82     RETURN_VOID();
     83 }
     84 
     85 /*
     86  * public void wait(long ms, int ns) throws InterruptedException
     87  */
     88 static void Dalvik_java_lang_Object_wait(const u4* args, JValue* pResult,
     89     const Method* method, Thread* self)
     90 {
     91     Object* thisPtr = (Object*) args[0];
     92 
     93     dvmObjectWait(self, thisPtr, GET_ARG_LONG(args,1), (s4)args[3], true);
     94     RETURN_VOID();
     95 }
     96 
     97 const DalvikNativeMethod dvm_java_lang_Object[] = {
     98     { "internalClone",  "(Ljava/lang/Cloneable;)Ljava/lang/Object;",
     99         Dalvik_java_lang_Object_internalClone },
    100     { "hashCode",       "()I",
    101         Dalvik_java_lang_Object_hashCode },
    102     { "notify",         "()V",
    103         (DalvikNativeFunc) Dalvik_java_lang_Object_notify },
    104     { "notifyAll",      "()V",
    105         (DalvikNativeFunc) Dalvik_java_lang_Object_notifyAll },
    106     { "wait",           "(JI)V",
    107         (DalvikNativeFunc) Dalvik_java_lang_Object_wait },
    108     { "getClass",       "()Ljava/lang/Class;",
    109         Dalvik_java_lang_Object_getClass },
    110     { NULL, NULL, NULL },
    111 };
    112