1 /*
2 * Copyright (c) 2016, 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
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_JFR_RECORDER_CHECKPOINT_TYPES_TRACEID_JFRTRACEID_INLINE_HPP
26 #define SHARE_JFR_RECORDER_CHECKPOINT_TYPES_TRACEID_JFRTRACEID_INLINE_HPP
27
28 #include "classfile/classLoaderData.hpp"
29 #include "classfile/moduleEntry.hpp"
30 #include "classfile/packageEntry.hpp"
31 #include "jfr/recorder/checkpoint/types/traceid/jfrTraceId.hpp"
32 #include "jfr/recorder/checkpoint/types/traceid/jfrTraceIdBits.inline.hpp"
33 #include "jfr/recorder/checkpoint/types/traceid/jfrTraceIdEpoch.hpp"
34 #include "jfr/recorder/checkpoint/types/traceid/jfrTraceIdMacros.hpp"
35 #include "jfr/support/jfrKlassExtension.hpp"
36 #include "oops/arrayKlass.hpp"
37 #include "oops/klass.hpp"
38 #include "oops/instanceKlass.hpp"
39 #include "oops/method.hpp"
40 #include "runtime/thread.inline.hpp"
41 #include "utilities/debug.hpp"
42
43 template <typename T>
44 inline traceid set_used_and_get(const T* type) {
45 assert(type != NULL, "invariant");
46 SET_USED_THIS_EPOCH(type);
47 assert(USED_THIS_EPOCH(type), "invariant");
48 return TRACE_ID(type);
49 }
50
51 inline traceid JfrTraceId::get(const Klass* klass) {
52 assert(klass != NULL, "invariant");
53 return TRACE_ID(klass);
54 }
55
56 inline traceid JfrTraceId::get(const Thread* t) {
57 assert(t != NULL, "invariant");
58 return TRACE_ID_RAW(t->jfr_thread_local());
59 }
60
61 inline traceid JfrTraceId::use(const Klass* klass) {
62 assert(klass != NULL, "invariant");
63 return set_used_and_get(klass);
64 }
65
66 inline traceid JfrTraceId::use(const Method* method) {
67 assert(method != NULL, "invariant");
68 return use(method->method_holder(), method);
69 }
70
71 inline traceid JfrTraceId::use(const Klass* klass, const Method* method) {
72 assert(klass != NULL, "invariant");
73 assert(method != NULL, "invariant");
74 SET_METHOD_FLAG_USED_THIS_EPOCH(method);
75
76 SET_METHOD_AND_CLASS_USED_THIS_EPOCH(klass);
77 assert(METHOD_AND_CLASS_USED_THIS_EPOCH(klass), "invariant");
78 return (METHOD_ID(klass, method));
79 }
80
81 inline traceid JfrTraceId::use(const ModuleEntry* module) {
82 assert(module != NULL, "invariant");
83 return set_used_and_get(module);
84 }
85
86 inline traceid JfrTraceId::use(const PackageEntry* package) {
87 assert(package != NULL, "invariant");
88 return set_used_and_get(package);
89 }
90
91 inline traceid JfrTraceId::use(const ClassLoaderData* cld) {
92 assert(cld != NULL, "invariant");
93 return cld->is_shortlived() ? 0 : set_used_and_get(cld);
94 }
95
96 inline void JfrTraceId::set_leakp(const Method* method) {
97 assert(method != NULL, "invariant");
98 const Klass* const klass = method->method_holder();
99 assert(klass != NULL, "invariant");
100 assert(METHOD_AND_CLASS_USED_THIS_EPOCH(klass), "invariant");
101 assert(METHOD_FLAG_USED_THIS_EPOCH(method), "invariant");
102 SET_LEAKP(klass);
103 SET_METHOD_LEAKP(method);
104 }
105
106 inline bool JfrTraceId::in_visible_set(const Klass* klass) {
107 assert(klass != NULL, "invariant");
108 assert(((JavaThread*)Thread::current())->thread_state() == _thread_in_vm, "invariant");
109 return (IS_JDK_JFR_EVENT_SUBKLASS(klass) && !klass->is_abstract()) || IS_EVENT_HOST_KLASS(klass);
110 }
111
112 inline bool JfrTraceId::is_jdk_jfr_event(const Klass* k) {
113 assert(k != NULL, "invariant");
114 return IS_JDK_JFR_EVENT_KLASS(k);
115 }
116
117 inline void JfrTraceId::tag_as_jdk_jfr_event(const Klass* klass) {
118 assert(klass != NULL, "invariant");
119 SET_JDK_JFR_EVENT_KLASS(klass);
120 assert(IS_JDK_JFR_EVENT_KLASS(klass), "invariant");
121 }
122
123 inline bool JfrTraceId::is_jdk_jfr_event_sub(const Klass* k) {
124 assert(k != NULL, "invariant");
125 return IS_JDK_JFR_EVENT_SUBKLASS(k);
126 }
127
128 inline void JfrTraceId::tag_as_jdk_jfr_event_sub(const Klass* k) {
129 assert(k != NULL, "invariant");
130 if (IS_NOT_AN_EVENT_SUB_KLASS(k)) {
131 SET_JDK_JFR_EVENT_SUBKLASS(k);
132 }
133 assert(IS_JDK_JFR_EVENT_SUBKLASS(k), "invariant");
134 }
135
136 inline bool JfrTraceId::in_jdk_jfr_event_hierarchy(const Klass* klass) {
137 assert(klass != NULL, "invariant");
138 if (is_jdk_jfr_event(klass)) {
139 return true;
140 }
141 const Klass* const super = klass->super();
142 return super != NULL ? IS_EVENT_KLASS(super) : false;
143 }
144
145 inline bool JfrTraceId::is_event_host(const Klass* k) {
146 assert(k != NULL, "invariant");
147 return IS_EVENT_HOST_KLASS(k);
148 }
149
150 inline void JfrTraceId::tag_as_event_host(const Klass* k) {
151 assert(k != NULL, "invariant");
152 SET_EVENT_HOST_KLASS(k);
153 assert(IS_EVENT_HOST_KLASS(k), "invariant");
154 }
155
156 #endif // SHARE_JFR_RECORDER_CHECKPOINT_TYPES_TRACEID_JFRTRACEID_INLINE_HPP