00001 /* Copyright 1994, 1995 LongView Technologies L.L.C. $Revision: 1.15 $ */ 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 doubleByteArrayKlass: public memOopKlass { 00025 public: 00026 // allocation properties 00027 bool can_inline_allocation() const { return false; } 00028 00029 // Return the oop size for a doubleByteArrayOop 00030 int object_size(int number_of_doubleBytes) const { 00031 return non_indexable_size() + 1 00032 + roundTo(number_of_doubleBytes * 2, oopSize) / oopSize; 00033 } 00034 00035 // creation operations 00036 oop allocateObject(); 00037 oop allocateObjectSize(int bytes); 00038 00039 // creates invocation 00040 klassOop create_subclass(mixinOop mixin, Format format); 00041 00042 static klassOop create_class(klassOop super_class, mixinOop mixin); 00043 00044 // Format 00045 Format format() { return doubleByteArray_klass; } 00046 00047 friend void set_doubleByteArrayKlass_vtbl(Klass* k); 00048 00049 char* name() const { return "doubleByteArray"; } 00050 00051 // ALL FUNCTIONS BELOW THIS POINT ARE DISPATCHED FROM AN OOP 00052 public: 00053 // accessors 00054 int oop_scavenge_contents(oop obj); 00055 int oop_scavenge_tenured_contents(oop obj); 00056 00057 bool oop_verify(oop obj); 00058 void oop_print_value_on(oop obj, outputStream* st); 00059 00060 // iterators 00061 void oop_oop_iterate(oop obj, OopClosure* blk); 00062 void oop_layout_iterate(oop obj, ObjectLayoutClosure* blk); 00063 00064 // Sizing 00065 int oop_header_size() const { return doubleByteArrayOopDesc::header_size(); } 00066 int oop_size(oop obj) const { return object_size(doubleByteArrayOop(obj)->length()); } 00067 00068 // testers 00069 bool oop_is_doubleByteArray() const { return true; } 00070 bool oop_is_indexable() const { return true; } 00071 };