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