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1 /*! \file */
2 /*
3  * tsan_annotations.h -- ThreadSanitizer annotations to support data
4  * race detection in OpenMP programs.
5  */
6 
7 //===----------------------------------------------------------------------===//
8 //
9 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
10 // See https://llvm.org/LICENSE.txt for license information.
11 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef TSAN_ANNOTATIONS_H
16 #define TSAN_ANNOTATIONS_H
17 
18 #include "kmp_config.h"
19 
20 /* types as used in tsan/rtl/tsan_interface_ann.cc */
21 typedef unsigned long uptr;
22 typedef signed long sptr;
23 
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
27 
28 /* Declaration of all annotation functions in tsan/rtl/tsan_interface_ann.cc */
29 void AnnotateHappensBefore(const char *f, int l, uptr addr);
30 void AnnotateHappensAfter(const char *f, int l, uptr addr);
31 void AnnotateCondVarSignal(const char *f, int l, uptr cv);
32 void AnnotateCondVarSignalAll(const char *f, int l, uptr cv);
33 void AnnotateMutexIsNotPHB(const char *f, int l, uptr mu);
34 void AnnotateCondVarWait(const char *f, int l, uptr cv, uptr lock);
35 void AnnotateRWLockCreate(const char *f, int l, uptr m);
36 void AnnotateRWLockCreateStatic(const char *f, int l, uptr m);
37 void AnnotateRWLockDestroy(const char *f, int l, uptr m);
38 void AnnotateRWLockAcquired(const char *f, int l, uptr m, uptr is_w);
39 void AnnotateRWLockReleased(const char *f, int l, uptr m, uptr is_w);
40 void AnnotateTraceMemory(const char *f, int l, uptr mem);
41 void AnnotateFlushState(const char *f, int l);
42 void AnnotateNewMemory(const char *f, int l, uptr mem, uptr size);
43 void AnnotateNoOp(const char *f, int l, uptr mem);
44 void AnnotateFlushExpectedRaces(const char *f, int l);
45 void AnnotateEnableRaceDetection(const char *f, int l, int enable);
46 void AnnotateMutexIsUsedAsCondVar(const char *f, int l, uptr mu);
47 void AnnotatePCQGet(const char *f, int l, uptr pcq);
48 void AnnotatePCQPut(const char *f, int l, uptr pcq);
49 void AnnotatePCQDestroy(const char *f, int l, uptr pcq);
50 void AnnotatePCQCreate(const char *f, int l, uptr pcq);
51 void AnnotateExpectRace(const char *f, int l, uptr mem, char *desc);
52 void AnnotateBenignRaceSized(const char *f, int l, uptr mem, uptr size,
53                              char *desc);
54 void AnnotateBenignRace(const char *f, int l, uptr mem, char *desc);
55 void AnnotateIgnoreReadsBegin(const char *f, int l);
56 void AnnotateIgnoreReadsEnd(const char *f, int l);
57 void AnnotateIgnoreWritesBegin(const char *f, int l);
58 void AnnotateIgnoreWritesEnd(const char *f, int l);
59 void AnnotateIgnoreSyncBegin(const char *f, int l);
60 void AnnotateIgnoreSyncEnd(const char *f, int l);
61 void AnnotatePublishMemoryRange(const char *f, int l, uptr addr, uptr size);
62 void AnnotateUnpublishMemoryRange(const char *f, int l, uptr addr, uptr size);
63 void AnnotateThreadName(const char *f, int l, char *name);
64 void WTFAnnotateHappensBefore(const char *f, int l, uptr addr);
65 void WTFAnnotateHappensAfter(const char *f, int l, uptr addr);
66 void WTFAnnotateBenignRaceSized(const char *f, int l, uptr mem, uptr sz,
67                                 char *desc);
68 int RunningOnValgrind();
69 double ValgrindSlowdown(void);
70 const char *ThreadSanitizerQuery(const char *query);
71 void AnnotateMemoryIsInitialized(const char *f, int l, uptr mem, uptr sz);
72 
73 #ifdef __cplusplus
74 }
75 #endif
76 
77 #ifdef TSAN_SUPPORT
78 #define ANNOTATE_HAPPENS_AFTER(addr)                                           \
79   AnnotateHappensAfter(__FILE__, __LINE__, (uptr)addr)
80 #define ANNOTATE_HAPPENS_BEFORE(addr)                                          \
81   AnnotateHappensBefore(__FILE__, __LINE__, (uptr)addr)
82 #define ANNOTATE_IGNORE_WRITES_BEGIN()                                         \
83   AnnotateIgnoreWritesBegin(__FILE__, __LINE__)
84 #define ANNOTATE_IGNORE_WRITES_END() AnnotateIgnoreWritesEnd(__FILE__, __LINE__)
85 #define ANNOTATE_RWLOCK_CREATE(lck)                                            \
86   AnnotateRWLockCreate(__FILE__, __LINE__, (uptr)lck)
87 #define ANNOTATE_RWLOCK_RELEASED(lck)                                          \
88   AnnotateRWLockAcquired(__FILE__, __LINE__, (uptr)lck, 1)
89 #define ANNOTATE_RWLOCK_ACQUIRED(lck)                                          \
90   AnnotateRWLockReleased(__FILE__, __LINE__, (uptr)lck, 1)
91 #define ANNOTATE_BARRIER_BEGIN(addr)                                           \
92   AnnotateHappensBefore(__FILE__, __LINE__, (uptr)addr)
93 #define ANNOTATE_BARRIER_END(addr)                                             \
94   AnnotateHappensAfter(__FILE__, __LINE__, (uptr)addr)
95 #define ANNOTATE_REDUCE_AFTER(addr)                                            \
96   AnnotateHappensAfter(__FILE__, __LINE__, (uptr)addr)
97 #define ANNOTATE_REDUCE_BEFORE(addr)                                           \
98   AnnotateHappensBefore(__FILE__, __LINE__, (uptr)addr)
99 #else
100 #define ANNOTATE_HAPPENS_AFTER(addr)
101 #define ANNOTATE_HAPPENS_BEFORE(addr)
102 #define ANNOTATE_IGNORE_WRITES_BEGIN()
103 #define ANNOTATE_IGNORE_WRITES_END()
104 #define ANNOTATE_RWLOCK_CREATE(lck)
105 #define ANNOTATE_RWLOCK_RELEASED(lck)
106 #define ANNOTATE_RWLOCK_ACQUIRED(lck)
107 #define ANNOTATE_BARRIER_BEGIN(addr)
108 #define ANNOTATE_BARRIER_END(addr)
109 #define ANNOTATE_REDUCE_AFTER(addr)
110 #define ANNOTATE_REDUCE_BEFORE(addr)
111 #endif
112 
113 #define ANNOTATE_QUEUING
114 #define ANNOTATE_TICKET
115 #define ANNOTATE_FUTEX
116 #define ANNOTATE_TAS
117 #define ANNOTATE_DRDPA
118 
119 #ifdef ANNOTATE_QUEUING
120 #define ANNOTATE_QUEUING_CREATE(lck)
121 #define ANNOTATE_QUEUING_RELEASED(lck) ANNOTATE_HAPPENS_BEFORE(lck)
122 #define ANNOTATE_QUEUING_ACQUIRED(lck) ANNOTATE_HAPPENS_AFTER(lck)
123 #else
124 #define ANNOTATE_QUEUING_CREATE(lck)
125 #define ANNOTATE_QUEUING_RELEASED(lck)
126 #define ANNOTATE_QUEUING_ACQUIRED(lck)
127 #endif
128 
129 #ifdef ANNOTATE_TICKET
130 #define ANNOTATE_TICKET_CREATE(lck)
131 #define ANNOTATE_TICKET_RELEASED(lck) ANNOTATE_HAPPENS_BEFORE(lck)
132 #define ANNOTATE_TICKET_ACQUIRED(lck) ANNOTATE_HAPPENS_AFTER(lck)
133 #else
134 #define ANNOTATE_TICKET_CREATE(lck)
135 #define ANNOTATE_TICKET_RELEASED(lck)
136 #define ANNOTATE_TICKET_ACQUIRED(lck)
137 #endif
138 
139 #ifdef ANNOTATE_FUTEX
140 #define ANNOTATE_FUTEX_CREATE(lck)
141 #define ANNOTATE_FUTEX_RELEASED(lck) ANNOTATE_HAPPENS_BEFORE(lck)
142 #define ANNOTATE_FUTEX_ACQUIRED(lck) ANNOTATE_HAPPENS_AFTER(lck)
143 #else
144 #define ANNOTATE_FUTEX_CREATE(lck)
145 #define ANNOTATE_FUTEX_RELEASED(lck)
146 #define ANNOTATE_FUTEX_ACQUIRED(lck)
147 #endif
148 
149 #ifdef ANNOTATE_TAS
150 #define ANNOTATE_TAS_CREATE(lck)
151 #define ANNOTATE_TAS_RELEASED(lck) ANNOTATE_HAPPENS_BEFORE(lck)
152 #define ANNOTATE_TAS_ACQUIRED(lck) ANNOTATE_HAPPENS_AFTER(lck)
153 #else
154 #define ANNOTATE_TAS_CREATE(lck)
155 #define ANNOTATE_TAS_RELEASED(lck)
156 #define ANNOTATE_TAS_ACQUIRED(lck)
157 #endif
158 
159 #ifdef ANNOTATE_DRDPA
160 #define ANNOTATE_DRDPA_CREATE(lck)
161 #define ANNOTATE_DRDPA_RELEASED(lck) ANNOTATE_HAPPENS_BEFORE(lck)
162 #define ANNOTATE_DRDPA_ACQUIRED(lck) ANNOTATE_HAPPENS_AFTER(lck)
163 #else
164 #define ANNOTATE_DRDPA_CREATE(lck)
165 #define ANNOTATE_DRDPA_RELEASED(lck)
166 #define ANNOTATE_DRDPA_ACQUIRED(lck)
167 #endif
168 
169 #endif
170