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--- old/src/share/vm/oops/klassOop.hpp
+++ new/src/share/vm/oops/klassOop.hpp
1 1 /*
2 2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
3 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 4 *
5 5 * This code is free software; you can redistribute it and/or modify it
6 6 * under the terms of the GNU General Public License version 2 only, as
7 7 * published by the Free Software Foundation.
8 8 *
9 9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 12 * version 2 for more details (a copy is included in the LICENSE file that
13 13 * accompanied this code).
14 14 *
15 15 * You should have received a copy of the GNU General Public License version
16 16 * 2 along with this work; if not, write to the Free Software Foundation,
17 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 18 *
19 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 20 * or visit www.oracle.com if you need additional information or have any
21 21 * questions.
22 22 *
23 23 */
24 24
25 25 #ifndef SHARE_VM_OOPS_KLASSOOP_HPP
26 26 #define SHARE_VM_OOPS_KLASSOOP_HPP
27 27
28 28 #include "oops/oop.hpp"
29 29
30 30 // A klassOop is the C++ equivalent of a Java class.
31 31 // Part of a klassOopDesc is a Klass which handle the
32 32 // dispatching for the C++ method calls.
33 33
34 34 // klassOop object layout:
35 35 // [header ]
36 36 // [klass_field]
37 37 // [KLASS ]
38 38
39 39 class klassOopDesc : public oopDesc {
40 40 public:
41 41 // size operation
42 42 static int header_size() { return sizeof(klassOopDesc)/HeapWordSize; }
43 43
44 44 // support for code generation
45 45 static int klass_part_offset_in_bytes() { return sizeof(klassOopDesc); }
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46 46
47 47 // returns the Klass part containing dispatching behavior
48 48 Klass* klass_part() const { return (Klass*)((address)this + klass_part_offset_in_bytes()); }
49 49
50 50 // Convenience wrapper
51 51 inline oop java_mirror() const;
52 52
53 53 private:
54 54 // These have no implementation since klassOop should never be accessed in this fashion
55 55 oop obj_field(int offset) const;
56 + volatile oop obj_field_volatile(int offset) const;
56 57 void obj_field_put(int offset, oop value);
57 - void obj_field_raw_put(int offset, oop value);
58 + void obj_field_put_raw(int offset, oop value);
59 + void obj_field_put_volatile(int offset, oop value);
58 60
59 61 jbyte byte_field(int offset) const;
60 62 void byte_field_put(int offset, jbyte contents);
61 63
62 64 jchar char_field(int offset) const;
63 65 void char_field_put(int offset, jchar contents);
64 66
65 67 jboolean bool_field(int offset) const;
66 68 void bool_field_put(int offset, jboolean contents);
67 69
68 70 jint int_field(int offset) const;
69 71 void int_field_put(int offset, jint contents);
70 72
71 73 jshort short_field(int offset) const;
72 74 void short_field_put(int offset, jshort contents);
73 75
74 76 jlong long_field(int offset) const;
75 77 void long_field_put(int offset, jlong contents);
76 78
77 79 jfloat float_field(int offset) const;
78 80 void float_field_put(int offset, jfloat contents);
79 81
80 82 jdouble double_field(int offset) const;
81 83 void double_field_put(int offset, jdouble contents);
82 84
83 85 address address_field(int offset) const;
84 86 void address_field_put(int offset, address contents);
85 87
86 88 oop obj_field_acquire(int offset) const;
87 89 void release_obj_field_put(int offset, oop value);
88 90
89 91 jbyte byte_field_acquire(int offset) const;
90 92 void release_byte_field_put(int offset, jbyte contents);
91 93
92 94 jchar char_field_acquire(int offset) const;
93 95 void release_char_field_put(int offset, jchar contents);
94 96
95 97 jboolean bool_field_acquire(int offset) const;
96 98 void release_bool_field_put(int offset, jboolean contents);
97 99
98 100 jint int_field_acquire(int offset) const;
99 101 void release_int_field_put(int offset, jint contents);
100 102
101 103 jshort short_field_acquire(int offset) const;
102 104 void release_short_field_put(int offset, jshort contents);
103 105
104 106 jlong long_field_acquire(int offset) const;
105 107 void release_long_field_put(int offset, jlong contents);
106 108
107 109 jfloat float_field_acquire(int offset) const;
108 110 void release_float_field_put(int offset, jfloat contents);
109 111
110 112 jdouble double_field_acquire(int offset) const;
111 113 void release_double_field_put(int offset, jdouble contents);
112 114
113 115 address address_field_acquire(int offset) const;
114 116 void release_address_field_put(int offset, address contents);
115 117 };
116 118
117 119 #endif // SHARE_VM_OOPS_KLASSOOP_HPP
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