1 /*
2 * Copyright (c) 2016, 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_CHECKPOINT_TYPES_TRACEID_JFRTYPEIDS_INLINE_HPP
26 #define SHARE_VM_JFR_CHECKPOINT_TYPES_TRACEID_JFRTYPEIDS_INLINE_HPP
27
28 #include "classfile/classLoaderData.hpp"
29 #include "jfr/recorder/checkpoint/types/traceid/jfrTraceIdMacros.hpp"
30 #include "jfr/recorder/checkpoint/types/traceid/jfrTraceId.hpp"
31 #include "oops/arrayKlass.hpp"
32 #include "oops/klass.hpp"
33 #include "oops/instanceKlass.hpp"
34 #include "oops/method.hpp"
35 #include "runtime/thread.inline.hpp"
36 #include "utilities/debug.hpp"
37
38 template <typename T>
39 inline traceid set_used_and_get(const T* type, bool leakp) {
40 assert(type != NULL, "invariant");
41 if (leakp) {
42 SET_LEAKP_USED_THIS_EPOCH(type);
43 assert(LEAKP_USED_THIS_EPOCH(type), "invariant");
44 }
45 SET_USED_THIS_EPOCH(type);
46 assert(USED_THIS_EPOCH(type), "invariant");
47 return TRACE_ID_MASKED_PTR(type);
48 }
49
50 template <typename T>
51 inline traceid set_used_and_get_shifted(const T* type, bool leakp) {
52 assert(type != NULL, "invariant");
53 return set_used_and_get(type, leakp) >> TRACE_ID_SHIFT;
54 }
55
56 inline traceid JfrTraceId::get(const Klass* klass) {
57 assert(klass != NULL, "invariant");
58 return TRACE_ID(klass);
59 }
60
61 inline traceid JfrTraceId::get(const Thread* t) {
62 assert(t != NULL, "invariant");
63 return TRACE_ID_RAW(t->jfr_thread_local());
64 }
65
66 inline traceid JfrTraceId::use(const Klass* klass, bool leakp /* false */) {
67 assert(klass != NULL, "invariant");
68 return set_used_and_get_shifted(klass, leakp);
69 }
70
71 inline traceid JfrTraceId::use(const Method* method, bool leakp /* false */) {
72 assert(method != NULL, "invariant");
73 SET_METHOD_FLAG_USED_THIS_EPOCH(method);
74 const Klass* const klass = method->method_holder();
75 assert(klass != NULL, "invariant");
76 if (leakp) {
77 SET_LEAKP_USED_THIS_EPOCH(klass);
78 assert(LEAKP_USED_THIS_EPOCH(klass), "invariant");
79 }
80 SET_METHOD_AND_CLASS_USED_THIS_EPOCH(klass);
81 assert(METHOD_AND_CLASS_USED_THIS_EPOCH(klass), "invariant");
82 return (METHOD_ID(klass, method));
83 }
84
85 // XXX
86 //inline traceid JfrTraceId::use(const PackageEntry* package, bool leakp /* false */) {
87 // assert(package != NULL, "invariant");
88 // return set_used_and_get_shifted(package, leakp);
89 //}
90
91 inline traceid JfrTraceId::use(const ClassLoaderData* cld, bool leakp /* false */) {
92 assert(cld != NULL, "invariant");
93 return cld->is_anonymous() ? 0 : set_used_and_get_shifted(cld, leakp);
94 }
95
96 inline bool JfrTraceId::in_visible_set(const Klass* klass) {
97 assert(klass != NULL, "invariant");
98 assert(((JavaThread*)Thread::current())->thread_state() == _thread_in_vm, "invariant");
99 return (IS_JDK_JFR_EVENT_SUBKLASS(klass) && !klass->is_abstract()) || IS_EVENT_HOST_KLASS(klass);
100 }
101
102 inline bool JfrTraceId::is_jdk_jfr_event(const Klass* k) {
103 assert(k != NULL, "invariant");
104 return IS_JDK_JFR_EVENT_KLASS(k);
105 }
106
107 inline void JfrTraceId::tag_as_jdk_jfr_event(const Klass* klass) {
108 assert(klass != NULL, "invariant");
109 assert(IS_NOT_AN_EVENT_KLASS(klass), "invariant");
110 SET_TAG(klass, JDK_JFR_EVENT_KLASS);
111 assert(IS_JDK_JFR_EVENT_KLASS(klass), "invariant");
112 assert(IS_NOT_AN_EVENT_SUB_KLASS(klass), "invariant");
113 }
114
115 inline bool JfrTraceId::is_jdk_jfr_event_sub(const Klass* k) {
116 assert(k != NULL, "invariant");
117 return IS_JDK_JFR_EVENT_SUBKLASS(k);
118 }
119
120 inline void JfrTraceId::tag_as_jdk_jfr_event_sub(const Klass* k) {
121 assert(k != NULL, "invariant");
122 if (IS_NOT_AN_EVENT_KLASS(k)) {
123 SET_TAG(k, JDK_JFR_EVENT_SUBKLASS);
124 }
125 assert(IS_JDK_JFR_EVENT_SUBKLASS(k), "invariant");
126 }
127
128 inline bool JfrTraceId::in_jdk_jfr_event_hierarchy(const Klass* klass) {
129 assert(klass != NULL, "invariant");
130 if (is_jdk_jfr_event(klass)) {
131 return true;
132 }
133 const Klass* const super = klass->super();
134 return super != NULL ? IS_EVENT_KLASS(super) : false;
135 }
136
137 inline bool JfrTraceId::is_event_host(const Klass* k) {
138 assert(k != NULL, "invariant");
139 return IS_EVENT_HOST_KLASS(k);
140 }
141
142 inline void JfrTraceId::tag_as_event_host(const Klass* k) {
143 assert(k != NULL, "invariant");
144 SET_TAG(k, EVENT_HOST_KLASS);
145 assert(IS_EVENT_HOST_KLASS(k), "invariant");
146 }
147
148 #endif // SHARE_VM_JFR_CHECKPOINT_TYPES_TRACEID_JFRTYPEIDS_INLINE_HPP