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// Object.h - Header file for java.lang.Object. -*- c++ -*-
/* Copyright (C) 1998, 1999 Cygnus Solutions
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
#ifndef __JAVA_LANG_OBJECT_H__
#define __JAVA_LANG_OBJECT_H__
#pragma interface
#include <javaprims.h>
#include <java-assert.h>
#include <java-threads.h>
#include <java-gc.h>
// This class is mainly here as a kludge to get G++ to allocate
// vtable pointer as the *first* word of each Object, instead of
// the second word (following sync_info). Note that various pieces of
// code know that finalize() is the first method. For instance,
// Object.java knows this, as does _Jv_AllocObject.
struct _JvObjectPrefix
{
protected:
// This is disguised as the C++ vtbl.
// _Jv_VTable* vtable;
virtual void finalize () = 0;
};
class java::lang::Object : public _JvObjectPrefix
{
public:
// Order must match order in Object.java.
jclass getClass (void);
virtual jint hashCode (void);
void notify (void);
void notifyAll (void);
void wait (jlong timeout, jint nanos);
virtual jboolean equals (jobject obj);
Object (void);
virtual jstring toString (void);
void wait (void);
void wait (jlong timeout);
friend jint _Jv_MonitorEnter (jobject obj);
friend jint _Jv_MonitorExit (jobject obj);
friend void _Jv_InitializeSyncMutex (void);
friend void _Jv_FinalizeObject (jobject obj);
#ifdef JV_MARKOBJ_DECL
friend JV_MARKOBJ_DECL;
#endif
#ifdef JV_MARKARRAY_DECL
friend JV_MARKARRAY_DECL;
#endif
protected:
virtual jobject clone (void);
virtual void finalize (void);
private:
// This does not actually refer to a Java object. Instead it is a
// placeholder for a piece of internal data (the synchronization
// information).
jobject sync_info;
// Initialize the sync_info field.
void sync_init (void);
static void hack12_6 (jobject f);
};
#endif /* __JAVA_LANG_OBJECT_H__ */
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