0
|
1 /*
|
|
2 * Copyright 1997-2003 Sun Microsystems, Inc. All Rights Reserved.
|
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
4 *
|
|
5 * This code is free software; you can redistribute it and/or modify it
|
|
6 * under the terms of the GNU General Public License version 2 only, as
|
|
7 * published by the Free Software Foundation.
|
|
8 *
|
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT
|
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
12 * version 2 for more details (a copy is included in the LICENSE file that
|
|
13 * accompanied this code).
|
|
14 *
|
|
15 * You should have received a copy of the GNU General Public License version
|
|
16 * 2 along with this work; if not, write to the Free Software Foundation,
|
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
18 *
|
|
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
20 * CA 95054 USA or visit www.sun.com if you need additional information or
|
|
21 * have any questions.
|
|
22 *
|
|
23 */
|
|
24
|
|
25 // An objArrayOop is an array containing oops.
|
|
26 // Evaluating "String arg[10]" will create an objArrayOop.
|
|
27
|
|
28 class objArrayOopDesc : public arrayOopDesc {
|
|
29 public:
|
|
30 // Accessing
|
|
31 oop obj_at(int index) const { return *obj_at_addr(index); }
|
|
32 void obj_at_put(int index, oop value) { oop_store(obj_at_addr(index), value); }
|
|
33 oop* base() const { return (oop*) arrayOopDesc::base(T_OBJECT); }
|
|
34
|
|
35 // Sizing
|
|
36 static int header_size() { return arrayOopDesc::header_size(T_OBJECT); }
|
|
37 static int object_size(int length) { return align_object_size(header_size() + length); }
|
|
38 int object_size() { return object_size(length()); }
|
|
39
|
|
40 // Returns the address of the index'th element
|
|
41 oop* obj_at_addr(int index) const {
|
|
42 assert(is_within_bounds(index), "index out of bounds");
|
|
43 return &base()[index];
|
|
44 }
|
|
45 };
|