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comparison src/share/vm/runtime/reflectionUtils.cpp @ 6725:da91efe96a93

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6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents d2a62e0f25eb
children e522a00b91aa ac9cb1d5a202
comparison
equal deleted inserted replaced
6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
28 #include "runtime/reflectionUtils.hpp" 28 #include "runtime/reflectionUtils.hpp"
29 29
30 KlassStream::KlassStream(instanceKlassHandle klass, bool local_only, bool classes_only) { 30 KlassStream::KlassStream(instanceKlassHandle klass, bool local_only, bool classes_only) {
31 _klass = klass; 31 _klass = klass;
32 if (classes_only) { 32 if (classes_only) {
33 _interfaces = Universe::the_empty_system_obj_array(); 33 _interfaces = Universe::the_empty_klass_array();
34 } else { 34 } else {
35 _interfaces = klass->transitive_interfaces(); 35 _interfaces = klass->transitive_interfaces();
36 } 36 }
37 _interface_index = _interfaces->length(); 37 _interface_index = _interfaces->length();
38 _local_only = local_only; 38 _local_only = local_only;
45 if (!_klass->is_interface() && _klass->super() != NULL) { 45 if (!_klass->is_interface() && _klass->super() != NULL) {
46 // go up superclass chain (not for interfaces) 46 // go up superclass chain (not for interfaces)
47 _klass = _klass->super(); 47 _klass = _klass->super();
48 } else { 48 } else {
49 if (_interface_index > 0) { 49 if (_interface_index > 0) {
50 _klass = klassOop(_interfaces->obj_at(--_interface_index)); 50 _klass = _interfaces->at(--_interface_index);
51 } else { 51 } else {
52 return true; 52 return true;
53 } 53 }
54 } 54 }
55 _index = length(); 55 _index = length();
68 _filtered_fields->append(new FilteredField(SystemDictionary::Throwable_klass(), offset)); 68 _filtered_fields->append(new FilteredField(SystemDictionary::Throwable_klass(), offset));
69 // The latest version of vm may be used with old jdk. 69 // The latest version of vm may be used with old jdk.
70 if (JDK_Version::is_gte_jdk16x_version()) { 70 if (JDK_Version::is_gte_jdk16x_version()) {
71 // The following class fields do not exist in 71 // The following class fields do not exist in
72 // previous version of jdk. 72 // previous version of jdk.
73 offset = sun_reflect_ConstantPool::cp_oop_offset(); 73 offset = sun_reflect_ConstantPool::oop_offset();
74 _filtered_fields->append(new FilteredField(SystemDictionary::reflect_ConstantPool_klass(), offset)); 74 _filtered_fields->append(new FilteredField(SystemDictionary::reflect_ConstantPool_klass(), offset));
75 offset = sun_reflect_UnsafeStaticFieldAccessorImpl::base_offset(); 75 offset = sun_reflect_UnsafeStaticFieldAccessorImpl::base_offset();
76 _filtered_fields->append(new FilteredField(SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass(), offset)); 76 _filtered_fields->append(new FilteredField(SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass(), offset));
77 } 77 }
78 } 78 }