Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/reflectionUtils.cpp @ 4756:abcceac2f7cd
7119730: Tiered: SIGSEGV in AdvancedThresholdPolicy::is_method_profiled(methodOop)
Summary: Added handles for references to methods in select_task()
Reviewed-by: twisti, kvn
author | iveresov |
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date | Mon, 12 Dec 2011 12:44:08 -0800 |
parents | f95d63e2154a |
children | a59727158259 d2a62e0f25eb |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 1999, 2010, 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
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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 #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) { | |
33 _interfaces = Universe::the_empty_system_obj_array(); | |
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) { | |
50 _klass = klassOop(_interfaces->obj_at(--_interface_index)); | |
51 } else { | |
52 return true; | |
53 } | |
54 } | |
55 _index = length(); | |
56 next(); | |
57 return eos(); | |
58 } | |
59 | |
60 | |
61 GrowableArray<FilteredField*> *FilteredFieldsMap::_filtered_fields = | |
62 new (ResourceObj::C_HEAP) GrowableArray<FilteredField*>(3,true); | |
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. | |
73 offset = sun_reflect_ConstantPool::cp_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 } |