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/support/jfrKlassExtension.hpp"
35 #include "oops/arrayKlass.hpp"
36 #include "oops/klass.hpp"
37 #include "oops/instanceKlass.hpp"
38 #include "oops/method.hpp"
39 #include "runtime/thread.inline.hpp"
40 #include "utilities/debug.hpp"
41
42 template <typename T>
43 inline traceid set_used_and_get(const T* type) {
44 assert(type != NULL, "invariant");
45 if (SHOULD_TAG(type)) {
46 SET_USED_THIS_EPOCH(type);
47 JfrTraceIdEpoch::set_changed_tag_state();
48 }
49 assert(USED_THIS_EPOCH(type), "invariant");
50 return TRACE_ID(type);
51 }
52
53 inline traceid JfrTraceId::get(const Klass* klass) {
54 assert(klass != NULL, "invariant");
55 return TRACE_ID(klass);
56 }
57
58 inline traceid JfrTraceId::get(const Thread* t) {
59 assert(t != NULL, "invariant");
60 return TRACE_ID_RAW(t->jfr_thread_local());
61 }
62
63 inline traceid JfrTraceId::use(const Klass* klass) {
64 return set_used_and_get(klass);
65 }
66
67 inline traceid JfrTraceId::use(const Method* method) {
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 if (SHOULD_TAG_KLASS_METHOD(klass)) {
75 SET_METHOD_AND_CLASS_USED_THIS_EPOCH(klass);
76 }
77 assert(METHOD_AND_CLASS_USED_THIS_EPOCH(klass), "invariant");
78 if (METHOD_FLAG_NOT_USED_THIS_EPOCH(method)) {
79 assert(USED_THIS_EPOCH(klass), "invariant");
80 SET_METHOD_FLAG_USED_THIS_EPOCH(method);
81 JfrTraceIdEpoch::set_changed_tag_state();
82 }
83 assert(METHOD_FLAG_USED_THIS_EPOCH(method), "invariant");
84 return (METHOD_ID(klass, method));
85 }
86
87 inline traceid JfrTraceId::use(const ModuleEntry* module) {
88 return set_used_and_get(module);
89 }
90
91 inline traceid JfrTraceId::use(const PackageEntry* package) {
92 return set_used_and_get(package);
93 }
94
95 inline traceid JfrTraceId::use(const ClassLoaderData* cld) {
96 assert(cld != NULL, "invariant");
97 return cld->is_unsafe_anonymous() ? 0 : set_used_and_get(cld);
98 }
99
100 inline void JfrTraceId::set_leakp(const Method* method) {
101 assert(method != NULL, "invariant");
102 const Klass* const klass = method->method_holder();
103 assert(klass != NULL, "invariant");
104 assert(METHOD_AND_CLASS_USED_THIS_EPOCH(klass), "invariant");
105 assert(METHOD_FLAG_USED_THIS_EPOCH(method), "invariant");
106 SET_LEAKP(klass);
107 SET_METHOD_LEAKP(method);
108 }
109
110 inline bool JfrTraceId::in_visible_set(const Klass* klass) {
111 assert(klass != NULL, "invariant");
112 assert(((JavaThread*)Thread::current())->thread_state() == _thread_in_vm, "invariant");
113 return (IS_JDK_JFR_EVENT_SUBKLASS(klass) && !klass->is_abstract()) || IS_EVENT_HOST_KLASS(klass);
114 }
115
116 inline bool JfrTraceId::is_jdk_jfr_event(const Klass* k) {
117 assert(k != NULL, "invariant");
118 return IS_JDK_JFR_EVENT_KLASS(k);
119 }
120
121 inline void JfrTraceId::tag_as_jdk_jfr_event(const Klass* klass) {
122 assert(klass != NULL, "invariant");
123 SET_JDK_JFR_EVENT_KLASS(klass);
124 assert(IS_JDK_JFR_EVENT_KLASS(klass), "invariant");
125 }
126
127 inline bool JfrTraceId::is_jdk_jfr_event_sub(const Klass* k) {
128 assert(k != NULL, "invariant");
129 return IS_JDK_JFR_EVENT_SUBKLASS(k);
130 }
131
132 inline void JfrTraceId::tag_as_jdk_jfr_event_sub(const Klass* k) {
133 assert(k != NULL, "invariant");
134 if (IS_NOT_AN_EVENT_SUB_KLASS(k)) {
135 SET_JDK_JFR_EVENT_SUBKLASS(k);
136 }
137 assert(IS_JDK_JFR_EVENT_SUBKLASS(k), "invariant");
138 }
139
140 inline bool JfrTraceId::in_jdk_jfr_event_hierarchy(const Klass* klass) {
141 assert(klass != NULL, "invariant");
142 if (is_jdk_jfr_event(klass)) {
143 return true;
144 }
145 const Klass* const super = klass->super();
146 return super != NULL ? IS_EVENT_KLASS(super) : false;
147 }
148
149 inline bool JfrTraceId::is_event_host(const Klass* k) {
150 assert(k != NULL, "invariant");
151 return IS_EVENT_HOST_KLASS(k);
152 }
153
154 inline void JfrTraceId::tag_as_event_host(const Klass* k) {
155 assert(k != NULL, "invariant");
156 SET_EVENT_HOST_KLASS(k);
157 assert(IS_EVENT_HOST_KLASS(k), "invariant");
158 }
159
160 #endif // SHARE_JFR_RECORDER_CHECKPOINT_TYPES_TRACEID_JFRTRACEID_INLINE_HPP