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1 /* |
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2 * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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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. |
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22 * |
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23 */ |
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24 |
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25 #ifndef SHARE_VM_JFR_SUPPORT_JFRKLASSEXTENSION_HPP |
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26 #define SHARE_VM_JFR_SUPPORT_JFRKLASSEXTENSION_HPP |
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27 |
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28 #include "jfr/instrumentation/jfrEventClassTransformer.hpp" |
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29 #include "jfr/support/jfrTraceIdExtension.hpp" |
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30 |
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31 #define DEFINE_KLASS_TRACE_ID_OFFSET \ |
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32 static ByteSize trace_id_offset() { return in_ByteSize(offset_of(InstanceKlass, _trace_id)); } |
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33 |
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34 #define KLASS_TRACE_ID_OFFSET InstanceKlass::trace_id_offset() |
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35 |
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36 #define JDK_JFR_EVENT_SUBKLASS 16 |
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37 #define JDK_JFR_EVENT_KLASS 32 |
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38 #define EVENT_HOST_KLASS 64 |
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39 #define IS_EVENT_KLASS(ptr) (((ptr)->trace_id() & (JDK_JFR_EVENT_KLASS | JDK_JFR_EVENT_SUBKLASS)) != 0) |
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40 #define ON_KLASS_CREATION(k, p, t) if (IS_EVENT_KLASS(k)) JfrEventClassTransformer::on_klass_creation(k, p, t) |
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41 |
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42 #endif // SHARE_VM_JFR_SUPPORT_JFRKLASSEXTENSION_HPP |