1 /*
2 * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
145 }
146 }
147
148 void ObjectSampleDescription::write_class_name() {
149 assert(_object->is_a(SystemDictionary::Class_klass()), "invariant");
150 const Klass* const k = java_lang_Class::as_Klass(_object);
151 if (k == NULL) {
152 // might represent a primitive
153 const Klass* const ak = java_lang_Class::array_klass_acquire(_object);
154 // If ak is NULL, this is most likely a mirror associated with a
155 // jvmti redefine/retransform scratch klass. We can't get any additional
156 // information from it.
157 if (ak != NULL) {
158 write_text(type2name(java_lang_Class::primitive_type(_object)));
159 }
160 return;
161 }
162
163 if (k->is_instance_klass()) {
164 const InstanceKlass* ik = InstanceKlass::cast(k);
165 if (ik->is_unsafe_anonymous()) {
166 return;
167 }
168 assert(!ik->is_unsafe_anonymous(), "invariant");
169 const Symbol* name = ik->name();
170 if (name != NULL) {
171 write_text("Class Name: ");
172 write_text(name->as_klass_external_name());
173 }
174 }
175 }
176
177 void ObjectSampleDescription::write_thread_group_name() {
178 assert(_object->is_a(SystemDictionary::ThreadGroup_klass()), "invariant");
179 const char* tg_name = java_lang_ThreadGroup::name(_object);
180 if (tg_name != NULL) {
181 write_text("Thread Group: ");
182 write_text(tg_name);
183 }
184 }
185
186 void ObjectSampleDescription::write_thread_name() {
187 assert(_object->is_a(SystemDictionary::Thread_klass()), "invariant");
188 oop name = java_lang_Thread::name(_object);
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1 /*
2 * Copyright (c) 2017, 2020, Oracle and/or its affiliates. All rights reserved.
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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
145 }
146 }
147
148 void ObjectSampleDescription::write_class_name() {
149 assert(_object->is_a(SystemDictionary::Class_klass()), "invariant");
150 const Klass* const k = java_lang_Class::as_Klass(_object);
151 if (k == NULL) {
152 // might represent a primitive
153 const Klass* const ak = java_lang_Class::array_klass_acquire(_object);
154 // If ak is NULL, this is most likely a mirror associated with a
155 // jvmti redefine/retransform scratch klass. We can't get any additional
156 // information from it.
157 if (ak != NULL) {
158 write_text(type2name(java_lang_Class::primitive_type(_object)));
159 }
160 return;
161 }
162
163 if (k->is_instance_klass()) {
164 const InstanceKlass* ik = InstanceKlass::cast(k);
165 if (ik->is_unsafe_anonymous() || ik->is_hidden()) {
166 return;
167 }
168 const Symbol* name = ik->name();
169 if (name != NULL) {
170 write_text("Class Name: ");
171 write_text(name->as_klass_external_name());
172 }
173 }
174 }
175
176 void ObjectSampleDescription::write_thread_group_name() {
177 assert(_object->is_a(SystemDictionary::ThreadGroup_klass()), "invariant");
178 const char* tg_name = java_lang_ThreadGroup::name(_object);
179 if (tg_name != NULL) {
180 write_text("Thread Group: ");
181 write_text(tg_name);
182 }
183 }
184
185 void ObjectSampleDescription::write_thread_name() {
186 assert(_object->is_a(SystemDictionary::Thread_klass()), "invariant");
187 oop name = java_lang_Thread::name(_object);
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