1 /*
 2 * Copyright (c) 2012, 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 *
23 */
24 
25 #ifndef SHARE_JFR_SUPPORT_JFRINTRINSICS_HPP
26 #define SHARE_JFR_SUPPORT_JFRINTRINSICS_HPP
27 
28 #include "utilities/macros.hpp"
29 
30 #if INCLUDE_JFR
31 #include "jfr/recorder/checkpoint/types/traceid/jfrTraceIdEpoch.hpp"
32 #include "jfr/utilities/jfrTime.hpp"
33 #include "jfr/utilities/jfrTypes.hpp"
34 
35 class JfrIntrinsicSupport {
36  public:
37   static void* get_event_writer(JavaThread* t);
38   static void* write_checkpoint(JavaThread* t, traceid tid);
39 };
40 
41 #define JFR_HAVE_INTRINSICS
42 #define JFR_TIME_FUNCTION JfrTime::time_function()
43 #define JFR_GET_EVENT_WRITER_FUNCTION JfrIntrinsicSupport::get_event_writer
44 #define JFR_WRITE_CHECKPOINT_FUNCTION JfrIntrinsicSupport::write_checkpoint
45 #define JFR_EPOCH_GENERATION_FUNCTION JfrTraceIdEpoch::epoch_generation
46 
47 #define JFR_TEMPLATES(template) \
48   template(jdk_jfr_internal_JVM,                                      "jdk/jfr/internal/JVM")                     \
49   template(jdk_jfr_internal_handlers_EventHandler_signature,          "Ljdk/jfr/internal/handlers/EventHandler;") \
50   template(eventHandler_name,                                         "eventHandler")                             \
51   template(void_eventWriter_signature,                                "()Ljdk/jfr/internal/EventWriter;")         \
52 
53 #define JFR_INTRINSICS(do_intrinsic, do_class, do_name, do_signature, do_alias)                                   \
54   do_intrinsic(_counterTime,        jdk_jfr_internal_JVM, counterTime_name, void_long_signature, F_SN)            \
55     do_name(     counterTime_name,                             "counterTime")                                     \
56   do_intrinsic(_getEventWriter,   jdk_jfr_internal_JVM, getEventWriter_name, void_eventWriter_signature, F_SN)    \
57     do_name(     getEventWriter_name,                          "getEventWriter")                                  \
58 
59 #else // !INCLUDE_JFR
60 
61 #define JFR_TEMPLATES(template)
62 #define JFR_INTRINSICS(do_intrinsic, do_class, do_name, do_signature, do_alias)
63 
64 #endif // INCLUDE_JFR
65 #endif // SHARE_JFR_SUPPORT_JFRINTRINSICS_HPP