1 /* 2 * Copyright (c) 2012, 2018, 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 * 23 */ 24 25 #ifndef SHARE_VM_JFR_SUPPORT_JFRKLASSEXTENSION_HPP 26 #define SHARE_VM_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_VM_JFR_SUPPORT_JFRKLASSEXTENSION_HPP