1 //===-- tsan_interface.h ----------------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file is a part of ThreadSanitizer (TSan), a race detector.
10 //
11 // The functions declared in this header will be inserted by the instrumentation
12 // module.
13 // This header can be included by the instrumented program or by TSan tests.
14 //===----------------------------------------------------------------------===//
15 #ifndef TSAN_INTERFACE_H
16 #define TSAN_INTERFACE_H
17 
18 #include <sanitizer_common/sanitizer_internal_defs.h>
19 using __sanitizer::uptr;
20 using __sanitizer::tid_t;
21 
22 // This header should NOT include any other headers.
23 // All functions in this header are extern "C" and start with __tsan_.
24 
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28 
29 #if !SANITIZER_GO
30 
31 // This function should be called at the very beginning of the process,
32 // before any instrumented code is executed and before any call to malloc.
33 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_init();
34 
35 SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE const char *
36 __tsan_default_options();
37 
38 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_flush_memory();
39 
40 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read1(void *addr);
41 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read2(void *addr);
42 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read4(void *addr);
43 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read8(void *addr);
44 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read16(void *addr);
45 
46 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write1(void *addr);
47 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write2(void *addr);
48 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write4(void *addr);
49 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write8(void *addr);
50 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write16(void *addr);
51 
52 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_read2(const void *addr);
53 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_read4(const void *addr);
54 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_read8(const void *addr);
55 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_read16(const void *addr);
56 
57 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_write2(void *addr);
58 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_write4(void *addr);
59 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_write8(void *addr);
60 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_write16(void *addr);
61 
62 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read1_pc(void *addr, void *pc);
63 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read2_pc(void *addr, void *pc);
64 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read4_pc(void *addr, void *pc);
65 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read8_pc(void *addr, void *pc);
66 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read16_pc(void *addr, void *pc);
67 
68 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write1_pc(void *addr, void *pc);
69 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write2_pc(void *addr, void *pc);
70 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write4_pc(void *addr, void *pc);
71 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write8_pc(void *addr, void *pc);
72 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write16_pc(void *addr, void *pc);
73 
74 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_vptr_read(void **vptr_p);
75 SANITIZER_INTERFACE_ATTRIBUTE
76 void __tsan_vptr_update(void **vptr_p, void *new_val);
77 
78 SANITIZER_INTERFACE_ATTRIBUTE
79 void *__tsan_memcpy(void *dest, const void *src, uptr count);
80 SANITIZER_INTERFACE_ATTRIBUTE
81 void *__tsan_memset(void *dest, int ch, uptr count);
82 SANITIZER_INTERFACE_ATTRIBUTE
83 void *__tsan_memmove(void *dest, const void *src, uptr count);
84 
85 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_func_entry(void *call_pc);
86 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_func_exit();
87 
88 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_ignore_thread_begin();
89 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_ignore_thread_end();
90 
91 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_on_thread_idle();
92 
93 SANITIZER_INTERFACE_ATTRIBUTE
94 void *__tsan_external_register_tag(const char *object_type);
95 SANITIZER_INTERFACE_ATTRIBUTE
96 void __tsan_external_register_header(void *tag, const char *header);
97 SANITIZER_INTERFACE_ATTRIBUTE
98 void __tsan_external_assign_tag(void *addr, void *tag);
99 SANITIZER_INTERFACE_ATTRIBUTE
100 void __tsan_external_read(void *addr, void *caller_pc, void *tag);
101 SANITIZER_INTERFACE_ATTRIBUTE
102 void __tsan_external_write(void *addr, void *caller_pc, void *tag);
103 
104 SANITIZER_INTERFACE_ATTRIBUTE
105 void __tsan_read_range(void *addr, unsigned long size);
106 SANITIZER_INTERFACE_ATTRIBUTE
107 void __tsan_write_range(void *addr, unsigned long size);
108 
109 SANITIZER_INTERFACE_ATTRIBUTE
110 void __tsan_read_range_pc(void *addr, unsigned long size, void *pc);
111 SANITIZER_INTERFACE_ATTRIBUTE
112 void __tsan_write_range_pc(void *addr, unsigned long size, void *pc);
113 
114 // User may provide function that would be called right when TSan detects
115 // an error. The argument 'report' is an opaque pointer that can be used to
116 // gather additional information using other TSan report API functions.
117 SANITIZER_INTERFACE_ATTRIBUTE
118 void __tsan_on_report(void *report);
119 
120 // If TSan is currently reporting a detected issue on the current thread,
121 // returns an opaque pointer to the current report. Otherwise returns NULL.
122 SANITIZER_INTERFACE_ATTRIBUTE
123 void *__tsan_get_current_report();
124 
125 // Returns a report's description (issue type), number of duplicate issues
126 // found, counts of array data (stack traces, memory operations, locations,
127 // mutexes, threads, unique thread IDs) and a stack trace of a sleep() call (if
128 // one was involved in the issue).
129 SANITIZER_INTERFACE_ATTRIBUTE
130 int __tsan_get_report_data(void *report, const char **description, int *count,
131                            int *stack_count, int *mop_count, int *loc_count,
132                            int *mutex_count, int *thread_count,
133                            int *unique_tid_count, void **sleep_trace,
134                            uptr trace_size);
135 
136 /// Retrieves the "tag" from a report (for external-race report types). External
137 /// races can be associated with a tag which give them more meaning. For example
138 /// tag value '1' means "Swift access race". Tag value '0' indicated a plain
139 /// external race.
140 ///
141 /// \param report opaque pointer to the current report (obtained as argument in
142 ///               __tsan_on_report, or from __tsan_get_current_report)
143 /// \param [out] tag points to storage that will be filled with the tag value
144 ///
145 /// \returns non-zero value on success, zero on failure
146 SANITIZER_INTERFACE_ATTRIBUTE
147 int __tsan_get_report_tag(void *report, uptr *tag);
148 
149 // Returns information about stack traces included in the report.
150 SANITIZER_INTERFACE_ATTRIBUTE
151 int __tsan_get_report_stack(void *report, uptr idx, void **trace,
152                             uptr trace_size);
153 
154 // Returns information about memory operations included in the report.
155 SANITIZER_INTERFACE_ATTRIBUTE
156 int __tsan_get_report_mop(void *report, uptr idx, int *tid, void **addr,
157                           int *size, int *write, int *atomic, void **trace,
158                           uptr trace_size);
159 
160 // Returns information about locations included in the report.
161 SANITIZER_INTERFACE_ATTRIBUTE
162 int __tsan_get_report_loc(void *report, uptr idx, const char **type,
163                           void **addr, uptr *start, uptr *size, int *tid,
164                           int *fd, int *suppressable, void **trace,
165                           uptr trace_size);
166 
167 SANITIZER_INTERFACE_ATTRIBUTE
168 int __tsan_get_report_loc_object_type(void *report, uptr idx,
169                                       const char **object_type);
170 
171 // Returns information about mutexes included in the report.
172 SANITIZER_INTERFACE_ATTRIBUTE
173 int __tsan_get_report_mutex(void *report, uptr idx, uptr *mutex_id, void **addr,
174                             int *destroyed, void **trace, uptr trace_size);
175 
176 // Returns information about threads included in the report.
177 SANITIZER_INTERFACE_ATTRIBUTE
178 int __tsan_get_report_thread(void *report, uptr idx, int *tid, tid_t *os_id,
179                              int *running, const char **name, int *parent_tid,
180                              void **trace, uptr trace_size);
181 
182 // Returns information about unique thread IDs included in the report.
183 SANITIZER_INTERFACE_ATTRIBUTE
184 int __tsan_get_report_unique_tid(void *report, uptr idx, int *tid);
185 
186 // Returns the type of the pointer (heap, stack, global, ...) and if possible
187 // also the starting address (e.g. of a heap allocation) and size.
188 SANITIZER_INTERFACE_ATTRIBUTE
189 const char *__tsan_locate_address(uptr addr, char *name, uptr name_size,
190                                   uptr *region_address, uptr *region_size);
191 
192 // Returns the allocation stack for a heap pointer.
193 SANITIZER_INTERFACE_ATTRIBUTE
194 int __tsan_get_alloc_stack(uptr addr, uptr *trace, uptr size, int *thread_id,
195                            tid_t *os_id);
196 
197 #endif  // SANITIZER_GO
198 
199 #ifdef __cplusplus
200 }  // extern "C"
201 #endif
202 
203 namespace __tsan {
204 
205 // These should match declarations from public tsan_interface_atomic.h header.
206 typedef unsigned char      a8;
207 typedef unsigned short a16;
208 typedef unsigned int       a32;
209 typedef unsigned long long a64;
210 #if !SANITIZER_GO && (defined(__SIZEOF_INT128__) \
211     || (__clang_major__ * 100 + __clang_minor__ >= 302)) && \
212     !defined(__mips64) && !defined(__s390x__)
213 __extension__ typedef __int128 a128;
214 # define __TSAN_HAS_INT128 1
215 #else
216 # define __TSAN_HAS_INT128 0
217 #endif
218 
219 // Part of ABI, do not change.
220 // https://github.com/llvm/llvm-project/blob/main/libcxx/include/atomic
221 typedef enum {
222   mo_relaxed,
223   mo_consume,
224   mo_acquire,
225   mo_release,
226   mo_acq_rel,
227   mo_seq_cst
228 } morder;
229 
230 struct ThreadState;
231 
232 extern "C" {
233 SANITIZER_INTERFACE_ATTRIBUTE
234 a8 __tsan_atomic8_load(const volatile a8 *a, morder mo);
235 SANITIZER_INTERFACE_ATTRIBUTE
236 a16 __tsan_atomic16_load(const volatile a16 *a, morder mo);
237 SANITIZER_INTERFACE_ATTRIBUTE
238 a32 __tsan_atomic32_load(const volatile a32 *a, morder mo);
239 SANITIZER_INTERFACE_ATTRIBUTE
240 a64 __tsan_atomic64_load(const volatile a64 *a, morder mo);
241 #if __TSAN_HAS_INT128
242 SANITIZER_INTERFACE_ATTRIBUTE
243 a128 __tsan_atomic128_load(const volatile a128 *a, morder mo);
244 #endif
245 
246 SANITIZER_INTERFACE_ATTRIBUTE
247 void __tsan_atomic8_store(volatile a8 *a, a8 v, morder mo);
248 SANITIZER_INTERFACE_ATTRIBUTE
249 void __tsan_atomic16_store(volatile a16 *a, a16 v, morder mo);
250 SANITIZER_INTERFACE_ATTRIBUTE
251 void __tsan_atomic32_store(volatile a32 *a, a32 v, morder mo);
252 SANITIZER_INTERFACE_ATTRIBUTE
253 void __tsan_atomic64_store(volatile a64 *a, a64 v, morder mo);
254 #if __TSAN_HAS_INT128
255 SANITIZER_INTERFACE_ATTRIBUTE
256 void __tsan_atomic128_store(volatile a128 *a, a128 v, morder mo);
257 #endif
258 
259 SANITIZER_INTERFACE_ATTRIBUTE
260 a8 __tsan_atomic8_exchange(volatile a8 *a, a8 v, morder mo);
261 SANITIZER_INTERFACE_ATTRIBUTE
262 a16 __tsan_atomic16_exchange(volatile a16 *a, a16 v, morder mo);
263 SANITIZER_INTERFACE_ATTRIBUTE
264 a32 __tsan_atomic32_exchange(volatile a32 *a, a32 v, morder mo);
265 SANITIZER_INTERFACE_ATTRIBUTE
266 a64 __tsan_atomic64_exchange(volatile a64 *a, a64 v, morder mo);
267 #if __TSAN_HAS_INT128
268 SANITIZER_INTERFACE_ATTRIBUTE
269 a128 __tsan_atomic128_exchange(volatile a128 *a, a128 v, morder mo);
270 #endif
271 
272 SANITIZER_INTERFACE_ATTRIBUTE
273 a8 __tsan_atomic8_fetch_add(volatile a8 *a, a8 v, morder mo);
274 SANITIZER_INTERFACE_ATTRIBUTE
275 a16 __tsan_atomic16_fetch_add(volatile a16 *a, a16 v, morder mo);
276 SANITIZER_INTERFACE_ATTRIBUTE
277 a32 __tsan_atomic32_fetch_add(volatile a32 *a, a32 v, morder mo);
278 SANITIZER_INTERFACE_ATTRIBUTE
279 a64 __tsan_atomic64_fetch_add(volatile a64 *a, a64 v, morder mo);
280 #if __TSAN_HAS_INT128
281 SANITIZER_INTERFACE_ATTRIBUTE
282 a128 __tsan_atomic128_fetch_add(volatile a128 *a, a128 v, morder mo);
283 #endif
284 
285 SANITIZER_INTERFACE_ATTRIBUTE
286 a8 __tsan_atomic8_fetch_sub(volatile a8 *a, a8 v, morder mo);
287 SANITIZER_INTERFACE_ATTRIBUTE
288 a16 __tsan_atomic16_fetch_sub(volatile a16 *a, a16 v, morder mo);
289 SANITIZER_INTERFACE_ATTRIBUTE
290 a32 __tsan_atomic32_fetch_sub(volatile a32 *a, a32 v, morder mo);
291 SANITIZER_INTERFACE_ATTRIBUTE
292 a64 __tsan_atomic64_fetch_sub(volatile a64 *a, a64 v, morder mo);
293 #if __TSAN_HAS_INT128
294 SANITIZER_INTERFACE_ATTRIBUTE
295 a128 __tsan_atomic128_fetch_sub(volatile a128 *a, a128 v, morder mo);
296 #endif
297 
298 SANITIZER_INTERFACE_ATTRIBUTE
299 a8 __tsan_atomic8_fetch_and(volatile a8 *a, a8 v, morder mo);
300 SANITIZER_INTERFACE_ATTRIBUTE
301 a16 __tsan_atomic16_fetch_and(volatile a16 *a, a16 v, morder mo);
302 SANITIZER_INTERFACE_ATTRIBUTE
303 a32 __tsan_atomic32_fetch_and(volatile a32 *a, a32 v, morder mo);
304 SANITIZER_INTERFACE_ATTRIBUTE
305 a64 __tsan_atomic64_fetch_and(volatile a64 *a, a64 v, morder mo);
306 #if __TSAN_HAS_INT128
307 SANITIZER_INTERFACE_ATTRIBUTE
308 a128 __tsan_atomic128_fetch_and(volatile a128 *a, a128 v, morder mo);
309 #endif
310 
311 SANITIZER_INTERFACE_ATTRIBUTE
312 a8 __tsan_atomic8_fetch_or(volatile a8 *a, a8 v, morder mo);
313 SANITIZER_INTERFACE_ATTRIBUTE
314 a16 __tsan_atomic16_fetch_or(volatile a16 *a, a16 v, morder mo);
315 SANITIZER_INTERFACE_ATTRIBUTE
316 a32 __tsan_atomic32_fetch_or(volatile a32 *a, a32 v, morder mo);
317 SANITIZER_INTERFACE_ATTRIBUTE
318 a64 __tsan_atomic64_fetch_or(volatile a64 *a, a64 v, morder mo);
319 #if __TSAN_HAS_INT128
320 SANITIZER_INTERFACE_ATTRIBUTE
321 a128 __tsan_atomic128_fetch_or(volatile a128 *a, a128 v, morder mo);
322 #endif
323 
324 SANITIZER_INTERFACE_ATTRIBUTE
325 a8 __tsan_atomic8_fetch_xor(volatile a8 *a, a8 v, morder mo);
326 SANITIZER_INTERFACE_ATTRIBUTE
327 a16 __tsan_atomic16_fetch_xor(volatile a16 *a, a16 v, morder mo);
328 SANITIZER_INTERFACE_ATTRIBUTE
329 a32 __tsan_atomic32_fetch_xor(volatile a32 *a, a32 v, morder mo);
330 SANITIZER_INTERFACE_ATTRIBUTE
331 a64 __tsan_atomic64_fetch_xor(volatile a64 *a, a64 v, morder mo);
332 #if __TSAN_HAS_INT128
333 SANITIZER_INTERFACE_ATTRIBUTE
334 a128 __tsan_atomic128_fetch_xor(volatile a128 *a, a128 v, morder mo);
335 #endif
336 
337 SANITIZER_INTERFACE_ATTRIBUTE
338 a8 __tsan_atomic8_fetch_nand(volatile a8 *a, a8 v, morder mo);
339 SANITIZER_INTERFACE_ATTRIBUTE
340 a16 __tsan_atomic16_fetch_nand(volatile a16 *a, a16 v, morder mo);
341 SANITIZER_INTERFACE_ATTRIBUTE
342 a32 __tsan_atomic32_fetch_nand(volatile a32 *a, a32 v, morder mo);
343 SANITIZER_INTERFACE_ATTRIBUTE
344 a64 __tsan_atomic64_fetch_nand(volatile a64 *a, a64 v, morder mo);
345 #if __TSAN_HAS_INT128
346 SANITIZER_INTERFACE_ATTRIBUTE
347 a128 __tsan_atomic128_fetch_nand(volatile a128 *a, a128 v, morder mo);
348 #endif
349 
350 SANITIZER_INTERFACE_ATTRIBUTE
351 int __tsan_atomic8_compare_exchange_strong(volatile a8 *a, a8 *c, a8 v,
352                                            morder mo, morder fmo);
353 SANITIZER_INTERFACE_ATTRIBUTE
354 int __tsan_atomic16_compare_exchange_strong(volatile a16 *a, a16 *c, a16 v,
355                                             morder mo, morder fmo);
356 SANITIZER_INTERFACE_ATTRIBUTE
357 int __tsan_atomic32_compare_exchange_strong(volatile a32 *a, a32 *c, a32 v,
358                                             morder mo, morder fmo);
359 SANITIZER_INTERFACE_ATTRIBUTE
360 int __tsan_atomic64_compare_exchange_strong(volatile a64 *a, a64 *c, a64 v,
361                                             morder mo, morder fmo);
362 #if __TSAN_HAS_INT128
363 SANITIZER_INTERFACE_ATTRIBUTE
364 int __tsan_atomic128_compare_exchange_strong(volatile a128 *a, a128 *c, a128 v,
365                                              morder mo, morder fmo);
366 #endif
367 
368 SANITIZER_INTERFACE_ATTRIBUTE
369 int __tsan_atomic8_compare_exchange_weak(volatile a8 *a, a8 *c, a8 v, morder mo,
370                                          morder fmo);
371 SANITIZER_INTERFACE_ATTRIBUTE
372 int __tsan_atomic16_compare_exchange_weak(volatile a16 *a, a16 *c, a16 v,
373                                           morder mo, morder fmo);
374 SANITIZER_INTERFACE_ATTRIBUTE
375 int __tsan_atomic32_compare_exchange_weak(volatile a32 *a, a32 *c, a32 v,
376                                           morder mo, morder fmo);
377 SANITIZER_INTERFACE_ATTRIBUTE
378 int __tsan_atomic64_compare_exchange_weak(volatile a64 *a, a64 *c, a64 v,
379                                           morder mo, morder fmo);
380 #if __TSAN_HAS_INT128
381 SANITIZER_INTERFACE_ATTRIBUTE
382 int __tsan_atomic128_compare_exchange_weak(volatile a128 *a, a128 *c, a128 v,
383                                            morder mo, morder fmo);
384 #endif
385 
386 SANITIZER_INTERFACE_ATTRIBUTE
387 a8 __tsan_atomic8_compare_exchange_val(volatile a8 *a, a8 c, a8 v, morder mo,
388                                        morder fmo);
389 SANITIZER_INTERFACE_ATTRIBUTE
390 a16 __tsan_atomic16_compare_exchange_val(volatile a16 *a, a16 c, a16 v,
391                                          morder mo, morder fmo);
392 SANITIZER_INTERFACE_ATTRIBUTE
393 a32 __tsan_atomic32_compare_exchange_val(volatile a32 *a, a32 c, a32 v,
394                                          morder mo, morder fmo);
395 SANITIZER_INTERFACE_ATTRIBUTE
396 a64 __tsan_atomic64_compare_exchange_val(volatile a64 *a, a64 c, a64 v,
397                                          morder mo, morder fmo);
398 #if __TSAN_HAS_INT128
399 SANITIZER_INTERFACE_ATTRIBUTE
400 a128 __tsan_atomic128_compare_exchange_val(volatile a128 *a, a128 c, a128 v,
401                                            morder mo, morder fmo);
402 #endif
403 
404 SANITIZER_INTERFACE_ATTRIBUTE
405 void __tsan_atomic_thread_fence(morder mo);
406 SANITIZER_INTERFACE_ATTRIBUTE
407 void __tsan_atomic_signal_fence(morder mo);
408 
409 SANITIZER_INTERFACE_ATTRIBUTE
410 void __tsan_go_atomic32_load(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
411 SANITIZER_INTERFACE_ATTRIBUTE
412 void __tsan_go_atomic64_load(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
413 SANITIZER_INTERFACE_ATTRIBUTE
414 void __tsan_go_atomic32_store(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
415 SANITIZER_INTERFACE_ATTRIBUTE
416 void __tsan_go_atomic64_store(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
417 SANITIZER_INTERFACE_ATTRIBUTE
418 void __tsan_go_atomic32_fetch_add(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
419 SANITIZER_INTERFACE_ATTRIBUTE
420 void __tsan_go_atomic64_fetch_add(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
421 SANITIZER_INTERFACE_ATTRIBUTE
422 void __tsan_go_atomic32_exchange(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
423 SANITIZER_INTERFACE_ATTRIBUTE
424 void __tsan_go_atomic64_exchange(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
425 SANITIZER_INTERFACE_ATTRIBUTE
426 void __tsan_go_atomic32_compare_exchange(ThreadState *thr, uptr cpc, uptr pc,
427                                          u8 *a);
428 SANITIZER_INTERFACE_ATTRIBUTE
429 void __tsan_go_atomic64_compare_exchange(ThreadState *thr, uptr cpc, uptr pc,
430                                          u8 *a);
431 
432 }  // extern "C"
433 
434 }  // namespace __tsan
435 
436 #endif  // TSAN_INTERFACE_H
437