00001 /* Copyright 1994, 1995 LongView Technologies L.L.C. $Revision: 1.8 $ */ 00002 /* Copyright (c) 2006, Sun Microsystems, Inc. 00003 All rights reserved. 00004 00005 Redistribution and use in source and binary forms, with or without modification, are permitted provided that the 00006 following conditions are met: 00007 00008 * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 00009 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following 00010 disclaimer in the documentation and/or other materials provided with the distribution. 00011 * Neither the name of Sun Microsystems nor the names of its contributors may be used to endorse or promote products derived 00012 from this software without specific prior written permission. 00013 00014 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT 00015 NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 00016 THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00017 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00018 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 00019 OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE 00020 00021 00022 */ 00023 00024 class mixinKlass: public memOopKlass { 00025 public: 00026 // testers 00027 bool oop_is_mixin() const { return true; } 00028 00029 // allocation properties 00030 bool can_inline_allocation() const { return false; } 00031 00032 // allocation operations 00033 oop allocateObject(); 00034 oop oop_shallow_copy(oop obj, bool tenured); 00035 00036 // creates invocation 00037 klassOop create_subclass(mixinOop mixin, Format format); 00038 00039 static klassOop create_class(klassOop super_class, mixinOop mixin); 00040 00041 // Format 00042 Format format() { return mixin_klass; } 00043 00044 // memory operations 00045 int oop_scavenge_contents(oop obj); 00046 int oop_scavenge_tenured_contents(oop obj); 00047 void oop_follow_contents(oop obj); 00048 00049 // iterators 00050 void oop_layout_iterate(oop obj, ObjectLayoutClosure* blk); 00051 void oop_oop_iterate(oop obj, OopClosure* blk); 00052 00053 // sizing 00054 int oop_header_size() const { return mixinOopDesc::header_size(); } 00055 00056 // printing support 00057 char* name() const { return "mixin"; } 00058 00059 // class creation 00060 friend void set_mixinKlass_vtbl(Klass* k); 00061 };