1/*
2* Copyright (c) 2012, 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
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23*/
24
25#ifndef SHARE_JFR_SUPPORT_JFRKLASSEXTENSION_HPP
26#define SHARE_JFR_SUPPORT_JFRKLASSEXTENSION_HPP
27
28#include "jfr/instrumentation/jfrEventClassTransformer.hpp"
29#include "jfr/support/jfrTraceIdExtension.hpp"
30
31#define DEFINE_KLASS_TRACE_ID_OFFSET \
32 static ByteSize trace_id_offset() { return in_ByteSize(offset_of(InstanceKlass, _trace_id)); }
33
34#define KLASS_TRACE_ID_OFFSET InstanceKlass::trace_id_offset()
35
36#define JDK_JFR_EVENT_SUBKLASS 16
37#define JDK_JFR_EVENT_KLASS 32
38#define EVENT_HOST_KLASS 64
39#define IS_EVENT_KLASS(ptr) (((ptr)->trace_id() & (JDK_JFR_EVENT_KLASS | JDK_JFR_EVENT_SUBKLASS)) != 0)
40#define ON_KLASS_CREATION(k, p, t) if (IS_EVENT_KLASS(k)) JfrEventClassTransformer::on_klass_creation(k, p, t)
41
42#endif // SHARE_JFR_SUPPORT_JFRKLASSEXTENSION_HPP
43