Mercurial > hg > graal-compiler
annotate src/share/vm/oops/klassOop.hpp @ 4844:bf864f701a4a
7066129: GarbageCollectorMXBean#getLastGcInfo leaks native memory
Summary: Make GCStatInfo a resource object
Reviewed-by: phh, coleenp
author | dsamersoff |
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date | Wed, 25 Jan 2012 02:29:05 +0400 |
parents | 069ab3f976d3 |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_OOPS_KLASSOOP_HPP |
26 #define SHARE_VM_OOPS_KLASSOOP_HPP | |
27 | |
28 #include "oops/oop.hpp" | |
29 | |
0 | 30 // A klassOop is the C++ equivalent of a Java class. |
31 // Part of a klassOopDesc is a Klass which handle the | |
32 // dispatching for the C++ method calls. | |
33 | |
34 // klassOop object layout: | |
35 // [header ] | |
36 // [klass_field] | |
37 // [KLASS ] | |
38 | |
39 class klassOopDesc : public oopDesc { | |
40 public: | |
41 // returns the Klass part containing dispatching behavior | |
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42 Klass* klass_part() const { return (Klass*)((address)this + sizeof(klassOopDesc)); } |
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43 |
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44 // Convenience wrapper |
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45 inline oop java_mirror() const; |
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46 |
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47 private: |
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48 // These have no implementation since klassOop should never be accessed in this fashion |
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49 oop obj_field(int offset) const; |
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50 volatile oop obj_field_volatile(int offset) const; |
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51 void obj_field_put(int offset, oop value); |
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52 void obj_field_put_raw(int offset, oop value); |
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53 void obj_field_put_volatile(int offset, oop value); |
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54 |
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55 jbyte byte_field(int offset) const; |
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56 void byte_field_put(int offset, jbyte contents); |
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57 |
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58 jchar char_field(int offset) const; |
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59 void char_field_put(int offset, jchar contents); |
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60 |
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61 jboolean bool_field(int offset) const; |
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62 void bool_field_put(int offset, jboolean contents); |
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63 |
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64 jint int_field(int offset) const; |
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65 void int_field_put(int offset, jint contents); |
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66 |
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67 jshort short_field(int offset) const; |
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68 void short_field_put(int offset, jshort contents); |
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69 |
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70 jlong long_field(int offset) const; |
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71 void long_field_put(int offset, jlong contents); |
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72 |
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73 jfloat float_field(int offset) const; |
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74 void float_field_put(int offset, jfloat contents); |
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75 |
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76 jdouble double_field(int offset) const; |
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77 void double_field_put(int offset, jdouble contents); |
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78 |
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79 address address_field(int offset) const; |
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80 void address_field_put(int offset, address contents); |
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81 |
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82 oop obj_field_acquire(int offset) const; |
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83 void release_obj_field_put(int offset, oop value); |
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84 |
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85 jbyte byte_field_acquire(int offset) const; |
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86 void release_byte_field_put(int offset, jbyte contents); |
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87 |
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88 jchar char_field_acquire(int offset) const; |
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89 void release_char_field_put(int offset, jchar contents); |
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90 |
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91 jboolean bool_field_acquire(int offset) const; |
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92 void release_bool_field_put(int offset, jboolean contents); |
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93 |
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94 jint int_field_acquire(int offset) const; |
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95 void release_int_field_put(int offset, jint contents); |
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96 |
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97 jshort short_field_acquire(int offset) const; |
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98 void release_short_field_put(int offset, jshort contents); |
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99 |
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100 jlong long_field_acquire(int offset) const; |
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101 void release_long_field_put(int offset, jlong contents); |
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102 |
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103 jfloat float_field_acquire(int offset) const; |
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104 void release_float_field_put(int offset, jfloat contents); |
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105 |
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106 jdouble double_field_acquire(int offset) const; |
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107 void release_double_field_put(int offset, jdouble contents); |
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108 |
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109 address address_field_acquire(int offset) const; |
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110 void release_address_field_put(int offset, address contents); |
0 | 111 }; |
1972 | 112 |
113 #endif // SHARE_VM_OOPS_KLASSOOP_HPP |