Mercurial > hg > truffle

annotate src/share/vm/oops/klassOop.hpp @ 2874:d90bf514d647

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Renamed packages.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 08 Jun 2011 08:59:54 +0200
parents c7f3d0b4570f
children b0efc7ee3b31
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1 /*
2376
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load
duke
parents:
diff changeset
4 *
a61af66fc99e Initial load
duke
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load
duke
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load
duke
parents:
diff changeset
7 * published by the Free Software Foundation.
a61af66fc99e Initial load
duke
parents:
diff changeset
8 *
a61af66fc99e Initial load
duke
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load
duke
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load
duke
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load
duke
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load
duke
parents:
diff changeset
13 * accompanied this code).
a61af66fc99e Initial load
duke
parents:
diff changeset
14 *
a61af66fc99e Initial load
duke
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load
duke
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load
duke
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load
duke
parents:
diff changeset
18 *
1552
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
21 * questions.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
22 *
a61af66fc99e Initial load
duke
parents:
diff changeset
23 */
a61af66fc99e Initial load
duke
parents:
diff changeset
24
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
25 #ifndef SHARE_VM_OOPS_KLASSOOP_HPP
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
26 #define SHARE_VM_OOPS_KLASSOOP_HPP
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
27
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
28 #include "oops/oop.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
29
0
a61af66fc99e Initial load
duke
parents:
diff changeset
30 // A klassOop is the C++ equivalent of a Java class.
a61af66fc99e Initial load
duke
parents:
diff changeset
31 // Part of a klassOopDesc is a Klass which handle the
a61af66fc99e Initial load
duke
parents:
diff changeset
32 // dispatching for the C++ method calls.
a61af66fc99e Initial load
duke
parents:
diff changeset
33
a61af66fc99e Initial load
duke
parents:
diff changeset
34 // klassOop object layout:
a61af66fc99e Initial load
duke
parents:
diff changeset
35 // [header ]
a61af66fc99e Initial load
duke
parents:
diff changeset
36 // [klass_field]
a61af66fc99e Initial load
duke
parents:
diff changeset
37 // [KLASS ]
a61af66fc99e Initial load
duke
parents:
diff changeset
38
a61af66fc99e Initial load
duke
parents:
diff changeset
39 class klassOopDesc : public oopDesc {
a61af66fc99e Initial load
duke
parents:
diff changeset
40 public:
a61af66fc99e Initial load
duke
parents:
diff changeset
41 // size operation
a61af66fc99e Initial load
duke
parents:
diff changeset
42 static int header_size() { return sizeof(klassOopDesc)/HeapWordSize; }
a61af66fc99e Initial load
duke
parents:
diff changeset
43
a61af66fc99e Initial load
duke
parents:
diff changeset
44 // support for code generation
a61af66fc99e Initial load
duke
parents:
diff changeset
45 static int klass_part_offset_in_bytes() { return sizeof(klassOopDesc); }
a61af66fc99e Initial load
duke
parents:
diff changeset
46
a61af66fc99e Initial load
duke
parents:
diff changeset
47 // returns the Klass part containing dispatching behavior
2376
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
48 Klass* klass_part() const { return (Klass*)((address)this + klass_part_offset_in_bytes()); }
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
49
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
50 // Convenience wrapper
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
51 inline oop java_mirror() const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
52
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
53 private:
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
54 // These have no implementation since klassOop should never be accessed in this fashion
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
55 oop obj_field(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
56 void obj_field_put(int offset, oop value);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
57 void obj_field_raw_put(int offset, oop value);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
58
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
59 jbyte byte_field(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
60 void byte_field_put(int offset, jbyte contents);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
61
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
62 jchar char_field(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
63 void char_field_put(int offset, jchar contents);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
64
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
65 jboolean bool_field(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
66 void bool_field_put(int offset, jboolean contents);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
67
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
68 jint int_field(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
69 void int_field_put(int offset, jint contents);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
70
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
71 jshort short_field(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
72 void short_field_put(int offset, jshort contents);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
73
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
74 jlong long_field(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
75 void long_field_put(int offset, jlong contents);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
76
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
77 jfloat float_field(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
78 void float_field_put(int offset, jfloat contents);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
79
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
80 jdouble double_field(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
81 void double_field_put(int offset, jdouble contents);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
82
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
83 address address_field(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
84 void address_field_put(int offset, address contents);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
85
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
86 oop obj_field_acquire(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
87 void release_obj_field_put(int offset, oop value);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
88
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
89 jbyte byte_field_acquire(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
90 void release_byte_field_put(int offset, jbyte contents);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
91
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
92 jchar char_field_acquire(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
93 void release_char_field_put(int offset, jchar contents);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
94
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
95 jboolean bool_field_acquire(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
96 void release_bool_field_put(int offset, jboolean contents);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
97
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
98 jint int_field_acquire(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
99 void release_int_field_put(int offset, jint contents);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
100
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
101 jshort short_field_acquire(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
102 void release_short_field_put(int offset, jshort contents);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
103
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
104 jlong long_field_acquire(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
105 void release_long_field_put(int offset, jlong contents);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
106
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
107 jfloat float_field_acquire(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
108 void release_float_field_put(int offset, jfloat contents);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
109
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
110 jdouble double_field_acquire(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
111 void release_double_field_put(int offset, jdouble contents);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
112
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
113 address address_field_acquire(int offset) const;
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 1972
diff changeset
114 void release_address_field_put(int offset, address contents);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
115 };
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
116
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
117 #endif // SHARE_VM_OOPS_KLASSOOP_HPP