1 /* Copyright (c) 2011, Google Inc.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Neither the name of Google Inc. nor the names of its
11 * contributors may be used to endorse or promote products derived from
12 * this software without specific prior written permission.
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 # error "This file should be built as pure C to avoid name mangling"
38 #include "base/third_party/dynamic_annotations/dynamic_annotations.h"
41 /* valgrind.h uses gcc extensions so it won't build with other compilers */
42 # include "base/third_party/valgrind/valgrind.h"
45 /* Compiler-based ThreadSanitizer defines
46 DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL = 1
47 and provides its own definitions of the functions. */
49 #ifndef DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL
50 # define DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL 0
53 /* Each function is empty and called (via a macro) only in debug mode.
54 The arguments are captured by dynamic tools at runtime. */
56 #if DYNAMIC_ANNOTATIONS_ENABLED == 1 \
57 && DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL == 0
59 /* Identical code folding(-Wl,--icf=all) countermeasures.
60 This makes all Annotate* functions different, which prevents the linker from
63 #define DYNAMIC_ANNOTATIONS_IMPL \
64 volatile short lineno = (__LINE__ << 8) + __COUNTER__; (void)lineno;
66 #define DYNAMIC_ANNOTATIONS_IMPL \
67 volatile short lineno = (__LINE__ << 8); (void)lineno;
70 /* WARNING: always add new annotations to the end of the list.
71 Otherwise, lineno (see above) numbers for different Annotate* functions may
73 void DYNAMIC_ANNOTATIONS_NAME(AnnotateRWLockCreate
)(
74 const char *file
, int line
, const volatile void *lock
)
75 {DYNAMIC_ANNOTATIONS_IMPL
}
77 void DYNAMIC_ANNOTATIONS_NAME(AnnotateRWLockDestroy
)(
78 const char *file
, int line
, const volatile void *lock
)
79 {DYNAMIC_ANNOTATIONS_IMPL
}
81 void DYNAMIC_ANNOTATIONS_NAME(AnnotateRWLockAcquired
)(
82 const char *file
, int line
, const volatile void *lock
, long is_w
)
83 {DYNAMIC_ANNOTATIONS_IMPL
}
85 void DYNAMIC_ANNOTATIONS_NAME(AnnotateRWLockReleased
)(
86 const char *file
, int line
, const volatile void *lock
, long is_w
)
87 {DYNAMIC_ANNOTATIONS_IMPL
}
89 void DYNAMIC_ANNOTATIONS_NAME(AnnotateBarrierInit
)(
90 const char *file
, int line
, const volatile void *barrier
, long count
,
91 long reinitialization_allowed
)
92 {DYNAMIC_ANNOTATIONS_IMPL
}
94 void DYNAMIC_ANNOTATIONS_NAME(AnnotateBarrierWaitBefore
)(
95 const char *file
, int line
, const volatile void *barrier
)
96 {DYNAMIC_ANNOTATIONS_IMPL
}
98 void DYNAMIC_ANNOTATIONS_NAME(AnnotateBarrierWaitAfter
)(
99 const char *file
, int line
, const volatile void *barrier
)
100 {DYNAMIC_ANNOTATIONS_IMPL
}
102 void DYNAMIC_ANNOTATIONS_NAME(AnnotateBarrierDestroy
)(
103 const char *file
, int line
, const volatile void *barrier
)
104 {DYNAMIC_ANNOTATIONS_IMPL
}
106 void DYNAMIC_ANNOTATIONS_NAME(AnnotateCondVarWait
)(
107 const char *file
, int line
, const volatile void *cv
,
108 const volatile void *lock
)
109 {DYNAMIC_ANNOTATIONS_IMPL
}
111 void DYNAMIC_ANNOTATIONS_NAME(AnnotateCondVarSignal
)(
112 const char *file
, int line
, const volatile void *cv
)
113 {DYNAMIC_ANNOTATIONS_IMPL
}
115 void DYNAMIC_ANNOTATIONS_NAME(AnnotateCondVarSignalAll
)(
116 const char *file
, int line
, const volatile void *cv
)
117 {DYNAMIC_ANNOTATIONS_IMPL
}
119 void DYNAMIC_ANNOTATIONS_NAME(AnnotateHappensBefore
)(
120 const char *file
, int line
, const volatile void *obj
)
121 {DYNAMIC_ANNOTATIONS_IMPL
};
123 void DYNAMIC_ANNOTATIONS_NAME(AnnotateHappensAfter
)(
124 const char *file
, int line
, const volatile void *obj
)
125 {DYNAMIC_ANNOTATIONS_IMPL
};
127 void DYNAMIC_ANNOTATIONS_NAME(AnnotatePublishMemoryRange
)(
128 const char *file
, int line
, const volatile void *address
, long size
)
129 {DYNAMIC_ANNOTATIONS_IMPL
}
131 void DYNAMIC_ANNOTATIONS_NAME(AnnotateUnpublishMemoryRange
)(
132 const char *file
, int line
, const volatile void *address
, long size
)
133 {DYNAMIC_ANNOTATIONS_IMPL
}
135 void DYNAMIC_ANNOTATIONS_NAME(AnnotatePCQCreate
)(
136 const char *file
, int line
, const volatile void *pcq
)
137 {DYNAMIC_ANNOTATIONS_IMPL
}
139 void DYNAMIC_ANNOTATIONS_NAME(AnnotatePCQDestroy
)(
140 const char *file
, int line
, const volatile void *pcq
)
141 {DYNAMIC_ANNOTATIONS_IMPL
}
143 void DYNAMIC_ANNOTATIONS_NAME(AnnotatePCQPut
)(
144 const char *file
, int line
, const volatile void *pcq
)
145 {DYNAMIC_ANNOTATIONS_IMPL
}
147 void DYNAMIC_ANNOTATIONS_NAME(AnnotatePCQGet
)(
148 const char *file
, int line
, const volatile void *pcq
)
149 {DYNAMIC_ANNOTATIONS_IMPL
}
151 void DYNAMIC_ANNOTATIONS_NAME(AnnotateNewMemory
)(
152 const char *file
, int line
, const volatile void *mem
, long size
)
153 {DYNAMIC_ANNOTATIONS_IMPL
}
155 void DYNAMIC_ANNOTATIONS_NAME(AnnotateExpectRace
)(
156 const char *file
, int line
, const volatile void *mem
,
157 const char *description
)
158 {DYNAMIC_ANNOTATIONS_IMPL
}
160 void DYNAMIC_ANNOTATIONS_NAME(AnnotateFlushExpectedRaces
)(
161 const char *file
, int line
)
162 {DYNAMIC_ANNOTATIONS_IMPL
}
164 void DYNAMIC_ANNOTATIONS_NAME(AnnotateBenignRace
)(
165 const char *file
, int line
, const volatile void *mem
,
166 const char *description
)
167 {DYNAMIC_ANNOTATIONS_IMPL
}
169 void DYNAMIC_ANNOTATIONS_NAME(AnnotateBenignRaceSized
)(
170 const char *file
, int line
, const volatile void *mem
, long size
,
171 const char *description
)
172 {DYNAMIC_ANNOTATIONS_IMPL
}
174 void DYNAMIC_ANNOTATIONS_NAME(AnnotateMutexIsUsedAsCondVar
)(
175 const char *file
, int line
, const volatile void *mu
)
176 {DYNAMIC_ANNOTATIONS_IMPL
}
178 void DYNAMIC_ANNOTATIONS_NAME(AnnotateMutexIsNotPHB
)(
179 const char *file
, int line
, const volatile void *mu
)
180 {DYNAMIC_ANNOTATIONS_IMPL
}
182 void DYNAMIC_ANNOTATIONS_NAME(AnnotateTraceMemory
)(
183 const char *file
, int line
, const volatile void *arg
)
184 {DYNAMIC_ANNOTATIONS_IMPL
}
186 void DYNAMIC_ANNOTATIONS_NAME(AnnotateThreadName
)(
187 const char *file
, int line
, const char *name
)
188 {DYNAMIC_ANNOTATIONS_IMPL
}
190 void DYNAMIC_ANNOTATIONS_NAME(AnnotateIgnoreReadsBegin
)(
191 const char *file
, int line
)
192 {DYNAMIC_ANNOTATIONS_IMPL
}
194 void DYNAMIC_ANNOTATIONS_NAME(AnnotateIgnoreReadsEnd
)(
195 const char *file
, int line
)
196 {DYNAMIC_ANNOTATIONS_IMPL
}
198 void DYNAMIC_ANNOTATIONS_NAME(AnnotateIgnoreWritesBegin
)(
199 const char *file
, int line
)
200 {DYNAMIC_ANNOTATIONS_IMPL
}
202 void DYNAMIC_ANNOTATIONS_NAME(AnnotateIgnoreWritesEnd
)(
203 const char *file
, int line
)
204 {DYNAMIC_ANNOTATIONS_IMPL
}
206 void DYNAMIC_ANNOTATIONS_NAME(AnnotateIgnoreSyncBegin
)(
207 const char *file
, int line
)
208 {DYNAMIC_ANNOTATIONS_IMPL
}
210 void DYNAMIC_ANNOTATIONS_NAME(AnnotateIgnoreSyncEnd
)(
211 const char *file
, int line
)
212 {DYNAMIC_ANNOTATIONS_IMPL
}
214 void DYNAMIC_ANNOTATIONS_NAME(AnnotateEnableRaceDetection
)(
215 const char *file
, int line
, int enable
)
216 {DYNAMIC_ANNOTATIONS_IMPL
}
218 void DYNAMIC_ANNOTATIONS_NAME(AnnotateNoOp
)(
219 const char *file
, int line
, const volatile void *arg
)
220 {DYNAMIC_ANNOTATIONS_IMPL
}
222 void DYNAMIC_ANNOTATIONS_NAME(AnnotateFlushState
)(
223 const char *file
, int line
)
224 {DYNAMIC_ANNOTATIONS_IMPL
}
226 #endif /* DYNAMIC_ANNOTATIONS_ENABLED == 1
227 && DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL == 0 */
229 #if DYNAMIC_ANNOTATIONS_PROVIDE_RUNNING_ON_VALGRIND == 1 \
230 && DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL == 0
231 static int GetRunningOnValgrind(void) {
232 #ifdef RUNNING_ON_VALGRIND
233 if (RUNNING_ON_VALGRIND
) return 1;
237 char *running_on_valgrind_str
= getenv("RUNNING_ON_VALGRIND");
238 if (running_on_valgrind_str
) {
239 return strcmp(running_on_valgrind_str
, "0") != 0;
242 /* Visual Studio issues warnings if we use getenv,
243 * so we use GetEnvironmentVariableA instead.
245 char value
[100] = "1";
246 int res
= GetEnvironmentVariableA("RUNNING_ON_VALGRIND",
247 value
, sizeof(value
));
248 /* value will remain "1" if res == 0 or res >= sizeof(value). The latter
249 * can happen only if the given value is long, in this case it can't be "0".
251 if (res
> 0 && strcmp(value
, "0") != 0)
257 /* See the comments in dynamic_annotations.h */
258 int RunningOnValgrind(void) {
259 static volatile int running_on_valgrind
= -1;
260 /* C doesn't have thread-safe initialization of statics, and we
261 don't want to depend on pthread_once here, so hack it. */
262 int local_running_on_valgrind
= running_on_valgrind
;
263 if (local_running_on_valgrind
== -1)
264 running_on_valgrind
= local_running_on_valgrind
= GetRunningOnValgrind();
265 return local_running_on_valgrind
;
268 #endif /* DYNAMIC_ANNOTATIONS_PROVIDE_RUNNING_ON_VALGRIND == 1
269 && DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL == 0 */