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