44 lines
1.8 KiB
C++
44 lines
1.8 KiB
C++
/*
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* Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_JFR_SUPPORT_JFRKLASSEXTENSION_HPP
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#define SHARE_JFR_SUPPORT_JFRKLASSEXTENSION_HPP
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#include "jfr/instrumentation/jfrEventClassTransformer.hpp"
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#include "jfr/support/jfrTraceIdExtension.hpp"
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#define DEFINE_KLASS_TRACE_ID_OFFSET \
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static ByteSize trace_id_offset() { return in_ByteSize(offset_of(InstanceKlass, _trace_id)); }
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#define KLASS_TRACE_ID_OFFSET InstanceKlass::trace_id_offset()
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#define JDK_JFR_EVENT_SUBKLASS 16
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#define JDK_JFR_EVENT_KLASS 32
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#define EVENT_HOST_KLASS 64
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#define EVENT_RESERVED 128
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#define IS_EVENT_KLASS(ptr) (((ptr)->trace_id() & (JDK_JFR_EVENT_KLASS | JDK_JFR_EVENT_SUBKLASS)) != 0)
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#define ON_KLASS_CREATION(k, p, t) if (IS_EVENT_KLASS(k)) JfrEventClassTransformer::on_klass_creation(k, p, t)
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#endif // SHARE_JFR_SUPPORT_JFRKLASSEXTENSION_HPP
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