Mercurial > hg > truffle
annotate src/share/vm/runtime/reflectionUtils.cpp @ 6862:8a5ea0a9ccc4
7127708: G1: change task num types from int to uint in concurrent mark
Summary: Change the type of various task num fields, parameters etc to unsigned and rename them to be more consistent with the other collectors. Code changes were also reviewed by Vitaly Davidovich.
Reviewed-by: johnc
Contributed-by: Kaushik Srenevasan <kaushik@twitter.com>
author | johnc |
---|---|
date | Sat, 06 Oct 2012 01:17:44 -0700 |
parents | da91efe96a93 |
children | e522a00b91aa ac9cb1d5a202 |
rev | line source |
---|---|
0 | 1 /* |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2 * Copyright (c) 1999, 2012, 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1142
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1142
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:
1142
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "classfile/javaClasses.hpp" | |
27 #include "memory/universe.inline.hpp" | |
28 #include "runtime/reflectionUtils.hpp" | |
0 | 29 |
30 KlassStream::KlassStream(instanceKlassHandle klass, bool local_only, bool classes_only) { | |
31 _klass = klass; | |
32 if (classes_only) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
33 _interfaces = Universe::the_empty_klass_array(); |
0 | 34 } else { |
35 _interfaces = klass->transitive_interfaces(); | |
36 } | |
37 _interface_index = _interfaces->length(); | |
38 _local_only = local_only; | |
39 _classes_only = classes_only; | |
40 } | |
41 | |
42 bool KlassStream::eos() { | |
43 if (index() >= 0) return false; | |
44 if (_local_only) return true; | |
45 if (!_klass->is_interface() && _klass->super() != NULL) { | |
46 // go up superclass chain (not for interfaces) | |
47 _klass = _klass->super(); | |
48 } else { | |
49 if (_interface_index > 0) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
50 _klass = _interfaces->at(--_interface_index); |
0 | 51 } else { |
52 return true; | |
53 } | |
54 } | |
55 _index = length(); | |
56 next(); | |
57 return eos(); | |
58 } | |
59 | |
60 | |
61 GrowableArray<FilteredField*> *FilteredFieldsMap::_filtered_fields = | |
6197 | 62 new (ResourceObj::C_HEAP, mtInternal) GrowableArray<FilteredField*>(3,true); |
0 | 63 |
64 | |
65 void FilteredFieldsMap::initialize() { | |
66 int offset; | |
67 offset = java_lang_Throwable::get_backtrace_offset(); | |
1142 | 68 _filtered_fields->append(new FilteredField(SystemDictionary::Throwable_klass(), offset)); |
0 | 69 // The latest version of vm may be used with old jdk. |
70 if (JDK_Version::is_gte_jdk16x_version()) { | |
71 // The following class fields do not exist in | |
72 // previous version of jdk. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
73 offset = sun_reflect_ConstantPool::oop_offset(); |
1142 | 74 _filtered_fields->append(new FilteredField(SystemDictionary::reflect_ConstantPool_klass(), offset)); |
0 | 75 offset = sun_reflect_UnsafeStaticFieldAccessorImpl::base_offset(); |
1142 | 76 _filtered_fields->append(new FilteredField(SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass(), offset)); |
0 | 77 } |
78 } | |
79 | |
80 int FilteredFieldStream::field_count() { | |
81 int numflds = 0; | |
82 for (;!eos(); next()) { | |
83 numflds++; | |
84 } | |
85 return numflds; | |
86 } |