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