1 /*
   2  * Copyright (c) 1994, 2003, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /*-
  27  *      Implementation of class Object
  28  *
  29  *      former threadruntime.c, Sun Sep 22 12:09:39 1991
  30  */
  31 
  32 #include <stdio.h>
  33 #include <signal.h>
  34 #include <limits.h>
  35 
  36 #include "jni.h"
  37 #include "jni_util.h"
  38 #include "jvm.h"
  39 
  40 #include "java_lang_Object.h"
  41 
  42 static JNINativeMethod methods[] = {
  43     {"hashCode",    "()I",                    (void *)&JVM_IHashCode},
  44     {"wait0",       "(J)V",                   (void *)&JVM_MonitorWait},
  45     {"notify",      "()V",                    (void *)&JVM_MonitorNotify},
  46     {"notifyAll",   "()V",                    (void *)&JVM_MonitorNotifyAll},
  47     {"clone",       "()Ljava/lang/Object;",   (void *)&JVM_Clone},
  48 };
  49 
  50 JNIEXPORT void JNICALL
  51 Java_java_lang_Object_registerNatives(JNIEnv *env, jclass cls)
  52 {
  53     (*env)->RegisterNatives(env, cls,
  54                             methods, sizeof(methods)/sizeof(methods[0]));
  55 }
  56 
  57 JNIEXPORT jclass JNICALL
  58 Java_java_lang_Object_getClass(JNIEnv *env, jobject this)
  59 {
  60     if (this == NULL) {
  61         JNU_ThrowNullPointerException(env, NULL);
  62         return 0;
  63     } else {
  64         return (*env)->GetObjectClass(env, this);
  65     }
  66 }