1 /*
2 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_OOPS_INSTANCEMIRRORKLASS_HPP
26 #define SHARE_VM_OOPS_INSTANCEMIRRORKLASS_HPP
27
28 #include "classfile/systemDictionary.hpp"
29 #include "memory/specialized_oop_closures.hpp"
30 #include "oops/instanceKlass.hpp"
31 #include "runtime/handles.hpp"
32 #include "utilities/macros.hpp"
33
34 // An InstanceMirrorKlass is a specialized InstanceKlass for
35 // java.lang.Class instances. These instances are special because
36 // they contain the static fields of the class in addition to the
37 // normal fields of Class. This means they are variable sized
38 // instances and need special logic for computing their size and for
39 // iteration of their oops.
40
41
42 class InstanceMirrorKlass: public InstanceKlass {
43 friend class VMStructs;
44 friend class InstanceKlass;
45
46 private:
47 static int _offset_of_static_fields;
48
49 // Constructor
|
1 /*
2 * Copyright (c) 2011, 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_OOPS_INSTANCEMIRRORKLASS_HPP
26 #define SHARE_VM_OOPS_INSTANCEMIRRORKLASS_HPP
27
28 #include "classfile/systemDictionary.hpp"
29 #include "gc/shared/specialized_oop_closures.hpp"
30 #include "oops/instanceKlass.hpp"
31 #include "runtime/handles.hpp"
32 #include "utilities/macros.hpp"
33
34 // An InstanceMirrorKlass is a specialized InstanceKlass for
35 // java.lang.Class instances. These instances are special because
36 // they contain the static fields of the class in addition to the
37 // normal fields of Class. This means they are variable sized
38 // instances and need special logic for computing their size and for
39 // iteration of their oops.
40
41
42 class InstanceMirrorKlass: public InstanceKlass {
43 friend class VMStructs;
44 friend class InstanceKlass;
45
46 private:
47 static int _offset_of_static_fields;
48
49 // Constructor
|