diff -r fd16c54261b3 -r 489c9b5090e2 hotspot/src/share/vm/oops/objArrayOop.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hotspot/src/share/vm/oops/objArrayOop.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,45 @@ +/* + * Copyright 1997-2003 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +// An objArrayOop is an array containing oops. +// Evaluating "String arg[10]" will create an objArrayOop. + +class objArrayOopDesc : public arrayOopDesc { + public: + // Accessing + oop obj_at(int index) const { return *obj_at_addr(index); } + void obj_at_put(int index, oop value) { oop_store(obj_at_addr(index), value); } + oop* base() const { return (oop*) arrayOopDesc::base(T_OBJECT); } + + // Sizing + static int header_size() { return arrayOopDesc::header_size(T_OBJECT); } + static int object_size(int length) { return align_object_size(header_size() + length); } + int object_size() { return object_size(length()); } + + // Returns the address of the index'th element + oop* obj_at_addr(int index) const { + assert(is_within_bounds(index), "index out of bounds"); + return &base()[index]; + } +};