1 //===-- sanitizer_platform_interceptors.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 defines macro telling whether sanitizer tools can/should intercept 10 // given library functions on a given platform. 11 // 12 //===----------------------------------------------------------------------===// 13 #ifndef SANITIZER_PLATFORM_INTERCEPTORS_H 14 #define SANITIZER_PLATFORM_INTERCEPTORS_H 15 16 #include "sanitizer_glibc_version.h" 17 #include "sanitizer_internal_defs.h" 18 #include "sanitizer_platform.h" 19 20 #if SANITIZER_POSIX 21 #define SI_POSIX 1 22 #else 23 #define SI_POSIX 0 24 #endif 25 26 #if !SANITIZER_WINDOWS 27 #define SI_WINDOWS 0 28 #else 29 #define SI_WINDOWS 1 30 #endif 31 32 #if SI_WINDOWS && SI_POSIX 33 #error "Windows is not POSIX!" 34 #endif 35 36 #if SI_POSIX 37 #include "sanitizer_platform_limits_freebsd.h" 38 #include "sanitizer_platform_limits_netbsd.h" 39 #include "sanitizer_platform_limits_posix.h" 40 #include "sanitizer_platform_limits_solaris.h" 41 #endif 42 43 #if SANITIZER_LINUX && !SANITIZER_ANDROID 44 #define SI_LINUX_NOT_ANDROID 1 45 #else 46 #define SI_LINUX_NOT_ANDROID 0 47 #endif 48 49 #if SANITIZER_GLIBC 50 #define SI_GLIBC 1 51 #else 52 #define SI_GLIBC 0 53 #endif 54 55 #if SANITIZER_ANDROID 56 #define SI_ANDROID 1 57 #else 58 #define SI_ANDROID 0 59 #endif 60 61 #if SANITIZER_FREEBSD 62 #define SI_FREEBSD 1 63 #else 64 #define SI_FREEBSD 0 65 #endif 66 67 #if SANITIZER_NETBSD 68 #define SI_NETBSD 1 69 #else 70 #define SI_NETBSD 0 71 #endif 72 73 #if SANITIZER_LINUX 74 #define SI_LINUX 1 75 #else 76 #define SI_LINUX 0 77 #endif 78 79 #if SANITIZER_APPLE 80 #define SI_MAC 1 81 #define SI_NOT_MAC 0 82 #else 83 #define SI_MAC 0 84 #define SI_NOT_MAC 1 85 #endif 86 87 #if SANITIZER_APPLE 88 # include <Availability.h> 89 90 // aligned_alloc was introduced in OSX 10.15 91 // Linking will fail when using an older SDK 92 # if defined(__MAC_10_15) 93 // macOS 10.15 is greater than our minimal deployment target. To ensure we 94 // generate a weak reference so the dylib continues to work on older 95 // systems, we need to forward declare the intercepted function as "weak 96 // imports". 97 SANITIZER_WEAK_IMPORT void *aligned_alloc(__sanitizer::usize __alignment, 98 __sanitizer::usize __size); 99 # define SI_MAC_SDK_10_15_AVAILABLE 1 100 # else 101 # define SI_MAC_SDK_10_15_AVAILABLE 0 102 # endif // defined(__MAC_10_15) 103 104 #endif // SANITIZER_APPLE 105 106 #if SANITIZER_IOS 107 #define SI_IOS 1 108 #else 109 #define SI_IOS 0 110 #endif 111 112 #if SANITIZER_IOSSIM 113 #define SI_IOSSIM 1 114 #else 115 #define SI_IOSSIM 0 116 #endif 117 118 #if SANITIZER_WATCHOS 119 #define SI_WATCHOS 1 120 #else 121 #define SI_WATCHOS 0 122 #endif 123 124 #if SANITIZER_TVOS 125 #define SI_TVOS 1 126 #else 127 #define SI_TVOS 0 128 #endif 129 130 #if SANITIZER_FUCHSIA 131 #define SI_NOT_FUCHSIA 0 132 #else 133 #define SI_NOT_FUCHSIA 1 134 #endif 135 136 #if SANITIZER_SOLARIS 137 #define SI_SOLARIS 1 138 #else 139 #define SI_SOLARIS 0 140 #endif 141 142 #if SANITIZER_SOLARIS32 143 #define SI_SOLARIS32 1 144 #else 145 #define SI_SOLARIS32 0 146 #endif 147 148 #if SANITIZER_POSIX && !SANITIZER_APPLE 149 #define SI_POSIX_NOT_MAC 1 150 #else 151 #define SI_POSIX_NOT_MAC 0 152 #endif 153 154 #if SANITIZER_LINUX && !SANITIZER_FREEBSD 155 #define SI_LINUX_NOT_FREEBSD 1 156 #else 157 #define SI_LINUX_NOT_FREEBSD 0 158 #endif 159 160 #define SANITIZER_INTERCEPT_STRLEN SI_NOT_FUCHSIA 161 #define SANITIZER_INTERCEPT_STRNLEN (SI_NOT_MAC && SI_NOT_FUCHSIA) 162 #define SANITIZER_INTERCEPT_STRCMP SI_NOT_FUCHSIA 163 #define SANITIZER_INTERCEPT_STRSTR SI_NOT_FUCHSIA 164 #define SANITIZER_INTERCEPT_STRCASESTR SI_POSIX 165 #define SANITIZER_INTERCEPT_STRTOK SI_NOT_FUCHSIA 166 #define SANITIZER_INTERCEPT_STRCHR SI_NOT_FUCHSIA 167 #define SANITIZER_INTERCEPT_STRCHRNUL SI_POSIX_NOT_MAC 168 #define SANITIZER_INTERCEPT_STRRCHR SI_NOT_FUCHSIA 169 #define SANITIZER_INTERCEPT_STRSPN SI_NOT_FUCHSIA 170 #define SANITIZER_INTERCEPT_STRPBRK SI_NOT_FUCHSIA 171 #define SANITIZER_INTERCEPT_TEXTDOMAIN SI_LINUX_NOT_ANDROID || SI_SOLARIS 172 #define SANITIZER_INTERCEPT_STRCASECMP SI_POSIX 173 #define SANITIZER_INTERCEPT_MEMSET 1 174 #define SANITIZER_INTERCEPT_MEMMOVE 1 175 #define SANITIZER_INTERCEPT_MEMCPY 1 176 #define SANITIZER_INTERCEPT_MEMCMP SI_NOT_FUCHSIA 177 #define SANITIZER_INTERCEPT_BCMP \ 178 SANITIZER_INTERCEPT_MEMCMP && \ 179 ((SI_POSIX && _GNU_SOURCE) || SI_NETBSD || SI_FREEBSD) 180 #define SANITIZER_INTERCEPT_STRNDUP SI_POSIX 181 #define SANITIZER_INTERCEPT___STRNDUP SI_GLIBC 182 #if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \ 183 __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1070 184 #define SI_MAC_DEPLOYMENT_BELOW_10_7 1 185 #else 186 #define SI_MAC_DEPLOYMENT_BELOW_10_7 0 187 #endif 188 // memmem on Darwin doesn't exist on 10.6 189 // FIXME: enable memmem on Windows. 190 #define SANITIZER_INTERCEPT_MEMMEM (SI_POSIX && !SI_MAC_DEPLOYMENT_BELOW_10_7) 191 #define SANITIZER_INTERCEPT_MEMCHR SI_NOT_FUCHSIA 192 #define SANITIZER_INTERCEPT_MEMRCHR (SI_FREEBSD || SI_LINUX || SI_NETBSD) 193 194 #define SANITIZER_INTERCEPT_READ SI_POSIX 195 #define SANITIZER_INTERCEPT_PREAD SI_POSIX 196 #define SANITIZER_INTERCEPT_WRITE SI_POSIX 197 #define SANITIZER_INTERCEPT_PWRITE SI_POSIX 198 199 #define SANITIZER_INTERCEPT_FREAD SI_POSIX 200 #define SANITIZER_INTERCEPT_FWRITE SI_POSIX 201 #define SANITIZER_INTERCEPT_FGETS SI_POSIX 202 #define SANITIZER_INTERCEPT_FPUTS SI_POSIX 203 #define SANITIZER_INTERCEPT_PUTS SI_POSIX 204 205 #define SANITIZER_INTERCEPT_CREAT64 (SI_GLIBC || SI_SOLARIS32) 206 #define SANITIZER_INTERCEPT_FCNTL64 (SI_GLIBC || SI_SOLARIS32) 207 #define SANITIZER_INTERCEPT_OPEN64 (SI_GLIBC || SI_SOLARIS32) 208 #define SANITIZER_INTERCEPT_OPENAT64 (SI_GLIBC || SI_SOLARIS32) 209 210 #define SANITIZER_INTERCEPT_PREAD64 (SI_GLIBC || SI_SOLARIS32) 211 #define SANITIZER_INTERCEPT_PWRITE64 (SI_GLIBC || SI_SOLARIS32) 212 213 #define SANITIZER_INTERCEPT_LSEEK64 (SI_GLIBC || SI_SOLARIS32) 214 215 #define SANITIZER_INTERCEPT_READV SI_POSIX 216 #define SANITIZER_INTERCEPT_WRITEV SI_POSIX 217 218 #define SANITIZER_INTERCEPT_PREADV \ 219 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID) 220 #define SANITIZER_INTERCEPT_PWRITEV \ 221 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID) 222 #define SANITIZER_INTERCEPT_PREADV64 SI_GLIBC 223 #define SANITIZER_INTERCEPT_PWRITEV64 SI_GLIBC 224 225 #define SANITIZER_INTERCEPT_PRCTL SI_LINUX 226 227 #define SANITIZER_INTERCEPT_LOCALTIME_AND_FRIENDS SI_POSIX 228 #define SANITIZER_INTERCEPT_STRPTIME SI_POSIX 229 230 #define SANITIZER_INTERCEPT_SCANF SI_POSIX 231 #define SANITIZER_INTERCEPT_ISOC99_SCANF SI_GLIBC 232 233 #ifndef SANITIZER_INTERCEPT_PRINTF 234 #define SANITIZER_INTERCEPT_PRINTF SI_POSIX 235 #define SANITIZER_INTERCEPT_PRINTF_L (SI_FREEBSD || SI_NETBSD) 236 #define SANITIZER_INTERCEPT_ISOC99_PRINTF SI_GLIBC 237 #endif 238 239 #define SANITIZER_INTERCEPT___PRINTF_CHK \ 240 (SANITIZER_INTERCEPT_PRINTF && SI_GLIBC) 241 242 #define SANITIZER_INTERCEPT_FREXP SI_NOT_FUCHSIA 243 #define SANITIZER_INTERCEPT_FREXPF_FREXPL SI_POSIX 244 245 #define SANITIZER_INTERCEPT_GETPWNAM_AND_FRIENDS SI_POSIX 246 #define SANITIZER_INTERCEPT_GETPWNAM_R_AND_FRIENDS \ 247 (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 248 #define SANITIZER_INTERCEPT_GETPWENT \ 249 (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 250 #define SANITIZER_INTERCEPT_FGETGRENT_R (SI_GLIBC || SI_SOLARIS) 251 #define SANITIZER_INTERCEPT_FGETPWENT SI_LINUX_NOT_ANDROID || SI_SOLARIS 252 #define SANITIZER_INTERCEPT_GETPWENT_R \ 253 (SI_FREEBSD || SI_NETBSD || SI_GLIBC || SI_SOLARIS) 254 #define SANITIZER_INTERCEPT_FGETPWENT_R (SI_FREEBSD || SI_GLIBC || SI_SOLARIS) 255 #define SANITIZER_INTERCEPT_SETPWENT \ 256 (SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 257 #define SANITIZER_INTERCEPT_CLOCK_GETTIME \ 258 (SI_FREEBSD || SI_NETBSD || SI_LINUX || SI_SOLARIS) 259 #define SANITIZER_INTERCEPT_CLOCK_GETCPUCLOCKID \ 260 (SI_LINUX || SI_FREEBSD || SI_NETBSD) 261 // TODO: This should be SI_POSIX, adding glibc first until I have time 262 // to verify all timer_t typedefs on other platforms. 263 #define SANITIZER_INTERCEPT_TIMER_CREATE SI_GLIBC 264 #define SANITIZER_INTERCEPT_GETITIMER SI_POSIX 265 #define SANITIZER_INTERCEPT_TIME SI_POSIX 266 #define SANITIZER_INTERCEPT_TIMESPEC_GET SI_LINUX 267 #define SANITIZER_INTERCEPT_GLOB (SI_GLIBC || SI_SOLARIS) 268 #define SANITIZER_INTERCEPT_GLOB64 SI_GLIBC 269 #define SANITIZER_INTERCEPT___B64_TO SI_LINUX_NOT_ANDROID 270 #define SANITIZER_INTERCEPT_DN_COMP_EXPAND SI_LINUX_NOT_ANDROID 271 #define SANITIZER_INTERCEPT_POSIX_SPAWN SI_POSIX 272 #define SANITIZER_INTERCEPT_WAIT SI_POSIX 273 #define SANITIZER_INTERCEPT_INET SI_POSIX 274 #define SANITIZER_INTERCEPT_PTHREAD_GETSCHEDPARAM SI_POSIX 275 #define SANITIZER_INTERCEPT_GETADDRINFO SI_POSIX 276 #define SANITIZER_INTERCEPT_GETNAMEINFO SI_POSIX 277 #define SANITIZER_INTERCEPT_GETSOCKNAME SI_POSIX 278 #define SANITIZER_INTERCEPT_GETHOSTBYNAME SI_POSIX 279 #define SANITIZER_INTERCEPT_GETHOSTBYNAME2 SI_POSIX && !SI_SOLARIS 280 #define SANITIZER_INTERCEPT_GETHOSTBYNAME_R \ 281 (SI_FREEBSD || SI_LINUX || SI_SOLARIS) 282 #define SANITIZER_INTERCEPT_GETHOSTBYNAME2_R \ 283 (SI_FREEBSD || SI_LINUX_NOT_ANDROID) 284 #define SANITIZER_INTERCEPT_GETHOSTBYADDR_R \ 285 (SI_FREEBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 286 #define SANITIZER_INTERCEPT_GETHOSTENT_R (SI_FREEBSD || SI_GLIBC || SI_SOLARIS) 287 #define SANITIZER_INTERCEPT_GETSOCKOPT SI_POSIX 288 #define SANITIZER_INTERCEPT_ACCEPT SI_POSIX 289 #define SANITIZER_INTERCEPT_ACCEPT4 \ 290 (SI_LINUX_NOT_ANDROID || SI_NETBSD || SI_FREEBSD) 291 #define SANITIZER_INTERCEPT_PACCEPT SI_NETBSD 292 #define SANITIZER_INTERCEPT_MODF SI_POSIX 293 #define SANITIZER_INTERCEPT_RECVMSG SI_POSIX 294 #define SANITIZER_INTERCEPT_SENDMSG SI_POSIX 295 #define SANITIZER_INTERCEPT_RECVMMSG SI_LINUX 296 #define SANITIZER_INTERCEPT_SENDMMSG SI_LINUX 297 #define SANITIZER_INTERCEPT_SYSMSG SI_LINUX_NOT_ANDROID 298 #define SANITIZER_INTERCEPT_GETPEERNAME SI_POSIX 299 #define SANITIZER_INTERCEPT_IOCTL SI_POSIX 300 #define SANITIZER_INTERCEPT_INET_ATON SI_POSIX 301 #define SANITIZER_INTERCEPT_SYSINFO SI_LINUX 302 #define SANITIZER_INTERCEPT_READDIR SI_POSIX 303 #define SANITIZER_INTERCEPT_READDIR64 SI_GLIBC || SI_SOLARIS32 304 #if SI_LINUX_NOT_ANDROID && \ 305 (defined(__i386) || defined(__x86_64) || defined(__mips64) || \ 306 defined(__powerpc64__) || defined(__aarch64__) || defined(__arm__) || \ 307 defined(__s390__) || defined(__loongarch__) || SANITIZER_RISCV64 || \ 308 defined(__sparc__)) 309 # define SANITIZER_INTERCEPT_PTRACE 1 310 #else 311 #define SANITIZER_INTERCEPT_PTRACE 0 312 #endif 313 #define SANITIZER_INTERCEPT_SETLOCALE SI_POSIX 314 #define SANITIZER_INTERCEPT_GETCWD SI_POSIX 315 #define SANITIZER_INTERCEPT_GET_CURRENT_DIR_NAME SI_LINUX_NOT_ANDROID 316 #define SANITIZER_INTERCEPT_STRTOIMAX SI_POSIX 317 #define SANITIZER_INTERCEPT_MBSTOWCS SI_POSIX 318 #define SANITIZER_INTERCEPT_MBSNRTOWCS \ 319 (SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 320 #define SANITIZER_INTERCEPT_WCSTOMBS SI_POSIX 321 #define SANITIZER_INTERCEPT_STRXFRM SI_POSIX 322 #define SANITIZER_INTERCEPT___STRXFRM_L SI_LINUX 323 #define SANITIZER_INTERCEPT_WCSXFRM SI_POSIX 324 #define SANITIZER_INTERCEPT___WCSXFRM_L SI_LINUX 325 #define SANITIZER_INTERCEPT_WCSNRTOMBS \ 326 (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 327 #define SANITIZER_INTERCEPT_WCRTOMB \ 328 (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 329 #define SANITIZER_INTERCEPT_WCTOMB \ 330 (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 331 #define SANITIZER_INTERCEPT_TCGETATTR SI_LINUX_NOT_ANDROID || SI_SOLARIS 332 #define SANITIZER_INTERCEPT_REALPATH SI_POSIX 333 #define SANITIZER_INTERCEPT_CANONICALIZE_FILE_NAME (SI_GLIBC || SI_SOLARIS) 334 #define SANITIZER_INTERCEPT_CONFSTR \ 335 (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 336 #define SANITIZER_INTERCEPT_SCHED_GETAFFINITY \ 337 (SI_LINUX_NOT_ANDROID || SI_FREEBSD) 338 #define SANITIZER_INTERCEPT_SCHED_GETPARAM SI_LINUX_NOT_ANDROID || SI_SOLARIS 339 #define SANITIZER_INTERCEPT_STRERROR SI_POSIX 340 #define SANITIZER_INTERCEPT_STRERROR_R SI_POSIX 341 #define SANITIZER_INTERCEPT_XPG_STRERROR_R SI_LINUX_NOT_ANDROID 342 #define SANITIZER_INTERCEPT_SCANDIR \ 343 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 344 #define SANITIZER_INTERCEPT_SCANDIR64 SI_GLIBC || SI_SOLARIS32 345 #define SANITIZER_INTERCEPT_GETGROUPS SI_POSIX 346 #define SANITIZER_INTERCEPT_POLL SI_POSIX 347 #define SANITIZER_INTERCEPT_PPOLL SI_LINUX_NOT_ANDROID || SI_SOLARIS 348 #define SANITIZER_INTERCEPT_EPOLL (SI_LINUX) 349 #define SANITIZER_INTERCEPT_KQUEUE (SI_FREEBSD || SI_NETBSD || SI_MAC) 350 #define SANITIZER_INTERCEPT_WORDEXP \ 351 (SI_FREEBSD || SI_NETBSD || (SI_MAC && !SI_IOS) || SI_LINUX_NOT_ANDROID || \ 352 SI_SOLARIS) 353 #define SANITIZER_INTERCEPT_SIGWAIT SI_POSIX 354 #define SANITIZER_INTERCEPT_SIGWAITINFO SI_LINUX_NOT_ANDROID || SI_SOLARIS 355 #define SANITIZER_INTERCEPT_SIGTIMEDWAIT SI_LINUX_NOT_ANDROID || SI_SOLARIS 356 #define SANITIZER_INTERCEPT_SIGSETOPS \ 357 (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 358 #define SANITIZER_INTERCEPT_SIGSET_LOGICOPS SI_LINUX_NOT_ANDROID 359 #define SANITIZER_INTERCEPT_SIGPENDING SI_POSIX 360 #define SANITIZER_INTERCEPT_SIGPROCMASK SI_POSIX 361 #define SANITIZER_INTERCEPT_PTHREAD_SIGMASK SI_POSIX 362 #define SANITIZER_INTERCEPT_BACKTRACE \ 363 (SI_FREEBSD || SI_NETBSD || SI_GLIBC || SI_SOLARIS) 364 #define SANITIZER_INTERCEPT_GETMNTENT SI_LINUX 365 #define SANITIZER_INTERCEPT_GETMNTENT_R SI_LINUX_NOT_ANDROID 366 #define SANITIZER_INTERCEPT_STATFS \ 367 (SI_FREEBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 368 #define SANITIZER_INTERCEPT_STATFS64 SI_GLIBC && SANITIZER_HAS_STATFS64 369 #define SANITIZER_INTERCEPT_STATVFS \ 370 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID) 371 #define SANITIZER_INTERCEPT_STATVFS64 SI_GLIBC 372 #define SANITIZER_INTERCEPT_INITGROUPS SI_POSIX 373 #define SANITIZER_INTERCEPT_ETHER_NTOA_ATON SI_POSIX 374 #define SANITIZER_INTERCEPT_ETHER_HOST \ 375 (SI_FREEBSD || SI_MAC || SI_LINUX_NOT_ANDROID) 376 #define SANITIZER_INTERCEPT_ETHER_R (SI_FREEBSD || SI_LINUX_NOT_ANDROID) 377 #define SANITIZER_INTERCEPT_SHMCTL \ 378 (((SI_FREEBSD || SI_LINUX_NOT_ANDROID) && SANITIZER_WORDSIZE == 64) || \ 379 SI_NETBSD || SI_SOLARIS) 380 #define SANITIZER_INTERCEPT_RANDOM_R SI_GLIBC 381 #define SANITIZER_INTERCEPT_PTHREAD_ATTR_GET SI_POSIX 382 #define SANITIZER_INTERCEPT_PTHREAD_ATTR_GETINHERITSCHED \ 383 (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 384 #define SANITIZER_INTERCEPT_PTHREAD_ATTR_GETAFFINITY_NP SI_GLIBC 385 #define SANITIZER_INTERCEPT_PTHREAD_GETAFFINITY_NP \ 386 (SI_LINUX_NOT_ANDROID || SI_FREEBSD) 387 #define SANITIZER_INTERCEPT_PTHREAD_ATTR_GET_SCHED SI_POSIX 388 #define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPSHARED \ 389 (SI_POSIX && !SI_NETBSD) 390 #define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETTYPE SI_POSIX 391 #define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPROTOCOL \ 392 (SI_MAC || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 393 #define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPRIOCEILING \ 394 (SI_MAC || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 395 #define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETROBUST \ 396 (SI_LINUX_NOT_ANDROID || SI_SOLARIS) 397 #define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETROBUST_NP SI_LINUX_NOT_ANDROID 398 #define SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GETPSHARED \ 399 (SI_POSIX && !SI_NETBSD) 400 #define SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GETKIND_NP SI_GLIBC 401 #define SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GETPSHARED (SI_POSIX && !SI_NETBSD) 402 #define SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GETCLOCK \ 403 (SI_LINUX_NOT_ANDROID || SI_SOLARIS) 404 #define SANITIZER_INTERCEPT_PTHREAD_BARRIERATTR_GETPSHARED \ 405 (SI_LINUX_NOT_ANDROID && !SI_NETBSD) 406 #define SANITIZER_INTERCEPT_TRYJOIN SI_GLIBC 407 #define SANITIZER_INTERCEPT_TIMEDJOIN SI_GLIBC 408 #define SANITIZER_INTERCEPT_THR_EXIT SI_FREEBSD 409 #define SANITIZER_INTERCEPT_TMPNAM SI_POSIX 410 #define SANITIZER_INTERCEPT_TMPNAM_R (SI_GLIBC || SI_SOLARIS) 411 #define SANITIZER_INTERCEPT_PTSNAME SI_LINUX 412 #define SANITIZER_INTERCEPT_PTSNAME_R SI_LINUX 413 #define SANITIZER_INTERCEPT_TTYNAME SI_POSIX 414 #define SANITIZER_INTERCEPT_TTYNAME_R SI_POSIX 415 #define SANITIZER_INTERCEPT_TEMPNAM SI_POSIX 416 #define SANITIZER_INTERCEPT_SINCOS SI_LINUX || SI_SOLARIS 417 #define SANITIZER_INTERCEPT_REMQUO SI_POSIX 418 #define SANITIZER_INTERCEPT_REMQUOL (SI_POSIX && !SI_NETBSD) 419 #define SANITIZER_INTERCEPT_LGAMMA SI_POSIX 420 #define SANITIZER_INTERCEPT_LGAMMAL (SI_POSIX && !SI_NETBSD) 421 #define SANITIZER_INTERCEPT_LGAMMA_R (SI_FREEBSD || SI_LINUX || SI_SOLARIS) 422 #define SANITIZER_INTERCEPT_LGAMMAL_R SI_LINUX_NOT_ANDROID || SI_SOLARIS 423 #define SANITIZER_INTERCEPT_DRAND48_R SI_GLIBC 424 #define SANITIZER_INTERCEPT_RAND_R \ 425 (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 426 #define SANITIZER_INTERCEPT_ICONV \ 427 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 428 #define SANITIZER_INTERCEPT_TIMES SI_POSIX 429 430 // FIXME: getline seems to be available on OSX 10.7 431 #define SANITIZER_INTERCEPT_GETLINE \ 432 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 433 434 #define SANITIZER_INTERCEPT__EXIT \ 435 (SI_LINUX || SI_FREEBSD || SI_NETBSD || SI_MAC || SI_SOLARIS) 436 437 #define SANITIZER_INTERCEPT___LIBC_MUTEX SI_NETBSD 438 #define SANITIZER_INTERCEPT_PTHREAD_SETNAME_NP \ 439 (SI_FREEBSD || SI_NETBSD || SI_GLIBC || SI_SOLARIS) 440 #define SANITIZER_INTERCEPT_PTHREAD_GETNAME_NP \ 441 (SI_FREEBSD || SI_NETBSD || SI_GLIBC || SI_SOLARIS) 442 443 #define SANITIZER_INTERCEPT_TLS_GET_ADDR \ 444 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID) 445 446 #define SANITIZER_INTERCEPT_LISTXATTR SI_LINUX 447 #define SANITIZER_INTERCEPT_GETXATTR SI_LINUX 448 #define SANITIZER_INTERCEPT_GETRESID SI_LINUX 449 #define SANITIZER_INTERCEPT_GETIFADDRS \ 450 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_MAC || SI_SOLARIS) 451 #define SANITIZER_INTERCEPT_IF_INDEXTONAME \ 452 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_MAC || SI_SOLARIS) 453 #define SANITIZER_INTERCEPT_CAPGET SI_LINUX_NOT_ANDROID 454 #if SI_LINUX && defined(__arm__) 455 #define SANITIZER_INTERCEPT_AEABI_MEM 1 456 #else 457 #define SANITIZER_INTERCEPT_AEABI_MEM 0 458 #endif 459 #define SANITIZER_INTERCEPT___BZERO SI_MAC || SI_GLIBC 460 #define SANITIZER_INTERCEPT_BZERO SI_LINUX_NOT_ANDROID 461 #define SANITIZER_INTERCEPT_FTIME (!SI_FREEBSD && !SI_NETBSD && SI_POSIX) 462 #define SANITIZER_INTERCEPT_XDR (SI_GLIBC || SI_SOLARIS) 463 #define SANITIZER_INTERCEPT_XDRREC SI_GLIBC 464 #define SANITIZER_INTERCEPT_TSEARCH \ 465 (SI_LINUX_NOT_ANDROID || SI_MAC || SI_NETBSD || SI_SOLARIS) 466 #define SANITIZER_INTERCEPT_LIBIO_INTERNALS SI_GLIBC 467 #define SANITIZER_INTERCEPT_FOPEN SI_POSIX 468 #define SANITIZER_INTERCEPT_FOPEN64 (SI_GLIBC || SI_SOLARIS32) 469 #define SANITIZER_INTERCEPT_OPEN_MEMSTREAM \ 470 (SI_LINUX_NOT_ANDROID || SI_NETBSD || SI_SOLARIS) 471 #define SANITIZER_INTERCEPT_OBSTACK SI_GLIBC 472 #define SANITIZER_INTERCEPT_FFLUSH SI_POSIX 473 #define SANITIZER_INTERCEPT_FCLOSE SI_POSIX 474 475 #ifndef SANITIZER_INTERCEPT_DLOPEN_DLCLOSE 476 #define SANITIZER_INTERCEPT_DLOPEN_DLCLOSE \ 477 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_MAC || SI_SOLARIS) 478 #endif 479 480 #define SANITIZER_INTERCEPT_GETPASS \ 481 (SI_LINUX_NOT_ANDROID || SI_MAC || SI_NETBSD) 482 #define SANITIZER_INTERCEPT_TIMERFD SI_LINUX_NOT_ANDROID 483 484 #define SANITIZER_INTERCEPT_MLOCKX SI_POSIX 485 #define SANITIZER_INTERCEPT_FOPENCOOKIE SI_LINUX_NOT_ANDROID 486 #define SANITIZER_INTERCEPT_SEM \ 487 (SI_LINUX || SI_FREEBSD || SI_NETBSD || SI_SOLARIS) 488 #define SANITIZER_INTERCEPT_PTHREAD_SETCANCEL SI_POSIX 489 #define SANITIZER_INTERCEPT_MINCORE \ 490 (SI_LINUX || SI_NETBSD || SI_FREEBSD || SI_SOLARIS) 491 #define SANITIZER_INTERCEPT_PROCESS_VM_READV SI_LINUX 492 #define SANITIZER_INTERCEPT_CTERMID \ 493 (SI_LINUX || SI_MAC || SI_FREEBSD || SI_NETBSD || SI_SOLARIS) 494 #define SANITIZER_INTERCEPT_CTERMID_R (SI_MAC || SI_FREEBSD || SI_SOLARIS) 495 496 #define SANITIZER_INTERCEPTOR_HOOKS \ 497 (SI_LINUX || SI_MAC || SI_WINDOWS || SI_FREEBSD || SI_NETBSD || SI_SOLARIS) 498 #define SANITIZER_INTERCEPT_RECV_RECVFROM SI_POSIX 499 #define SANITIZER_INTERCEPT_SEND_SENDTO SI_POSIX 500 #define SANITIZER_INTERCEPT_EVENTFD_READ_WRITE (SI_LINUX || SI_FREEBSD) 501 502 #define SI_STAT_LINUX (SI_LINUX && __GLIBC_PREREQ(2, 33)) 503 #define SANITIZER_INTERCEPT_STAT \ 504 (SI_FREEBSD || SI_MAC || SI_ANDROID || SI_NETBSD || SI_SOLARIS || \ 505 SI_STAT_LINUX) 506 #define SANITIZER_INTERCEPT_STAT64 SI_STAT_LINUX && SANITIZER_HAS_STAT64 507 #define SANITIZER_INTERCEPT_LSTAT (SI_NETBSD || SI_FREEBSD || SI_STAT_LINUX) 508 #define SANITIZER_INTERCEPT___XSTAT \ 509 ((!SANITIZER_INTERCEPT_STAT && SI_POSIX) || SI_STAT_LINUX) 510 #define SANITIZER_INTERCEPT___XSTAT64 SI_GLIBC 511 #define SANITIZER_INTERCEPT___LXSTAT SANITIZER_INTERCEPT___XSTAT 512 #define SANITIZER_INTERCEPT___LXSTAT64 SI_GLIBC 513 514 #define SANITIZER_INTERCEPT_UTMP \ 515 (SI_POSIX && !SI_MAC && !SI_FREEBSD && !SI_NETBSD) 516 #define SANITIZER_INTERCEPT_UTMPX \ 517 (SI_LINUX_NOT_ANDROID || SI_MAC || SI_FREEBSD || SI_NETBSD) 518 519 #define SANITIZER_INTERCEPT_GETLOADAVG \ 520 (SI_LINUX_NOT_ANDROID || SI_MAC || SI_FREEBSD || SI_NETBSD) 521 522 #define SANITIZER_INTERCEPT_MMAP SI_POSIX 523 #define SANITIZER_INTERCEPT_MMAP64 SI_GLIBC || SI_SOLARIS 524 #define SANITIZER_INTERCEPT_MALLOPT_AND_MALLINFO (SI_GLIBC || SI_ANDROID) 525 #define SANITIZER_INTERCEPT_MEMALIGN (!SI_FREEBSD && !SI_MAC && !SI_NETBSD) 526 #define SANITIZER_INTERCEPT___LIBC_MEMALIGN SI_GLIBC 527 #define SANITIZER_INTERCEPT_PVALLOC (SI_GLIBC || SI_ANDROID) 528 #define SANITIZER_INTERCEPT_CFREE (SI_GLIBC && !SANITIZER_RISCV64) 529 #define SANITIZER_INTERCEPT_REALLOCARRAY SI_POSIX 530 #define SANITIZER_INTERCEPT_ALIGNED_ALLOC \ 531 (!SI_MAC || SI_MAC_SDK_10_15_AVAILABLE) 532 #define SANITIZER_INTERCEPT_MALLOC_USABLE_SIZE (!SI_MAC && !SI_NETBSD) 533 #define SANITIZER_INTERCEPT_MCHECK_MPROBE SI_LINUX_NOT_ANDROID 534 #define SANITIZER_INTERCEPT_WCSLEN 1 535 #define SANITIZER_INTERCEPT_WCSCAT SI_POSIX 536 #define SANITIZER_INTERCEPT_WCSDUP SI_POSIX 537 #define SANITIZER_INTERCEPT_SIGNAL_AND_SIGACTION (!SI_WINDOWS && SI_NOT_FUCHSIA) 538 #define SANITIZER_INTERCEPT_BSD_SIGNAL SI_ANDROID 539 540 #define SANITIZER_INTERCEPT_ACCT (SI_NETBSD || SI_FREEBSD) 541 #define SANITIZER_INTERCEPT_USER_FROM_UID SI_NETBSD 542 #define SANITIZER_INTERCEPT_UID_FROM_USER SI_NETBSD 543 #define SANITIZER_INTERCEPT_GROUP_FROM_GID SI_NETBSD 544 #define SANITIZER_INTERCEPT_GID_FROM_GROUP SI_NETBSD 545 #define SANITIZER_INTERCEPT_ACCESS (SI_NETBSD || SI_FREEBSD) 546 #define SANITIZER_INTERCEPT_FACCESSAT (SI_NETBSD || SI_FREEBSD) 547 #define SANITIZER_INTERCEPT_GETGROUPLIST \ 548 (SI_NETBSD || SI_FREEBSD || SI_LINUX) 549 #define SANITIZER_INTERCEPT_STRLCPY \ 550 (SI_NETBSD || SI_FREEBSD || SI_MAC || SI_ANDROID) 551 552 #define SANITIZER_INTERCEPT_NAME_TO_HANDLE_AT SI_LINUX_NOT_ANDROID 553 #define SANITIZER_INTERCEPT_OPEN_BY_HANDLE_AT SI_LINUX_NOT_ANDROID 554 555 #define SANITIZER_INTERCEPT_READLINK SI_POSIX 556 #if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \ 557 __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 101000 558 #define SI_MAC_DEPLOYMENT_BELOW_10_10 1 559 #else 560 #define SI_MAC_DEPLOYMENT_BELOW_10_10 0 561 #endif 562 #define SANITIZER_INTERCEPT_READLINKAT \ 563 (SI_POSIX && !SI_MAC_DEPLOYMENT_BELOW_10_10) 564 565 #define SANITIZER_INTERCEPT_DEVNAME (SI_NETBSD || SI_FREEBSD) 566 #define SANITIZER_INTERCEPT_DEVNAME_R (SI_NETBSD || SI_FREEBSD) 567 #define SANITIZER_INTERCEPT_FGETLN (SI_NETBSD || SI_FREEBSD) 568 #define SANITIZER_INTERCEPT_STRMODE (SI_NETBSD || SI_FREEBSD) 569 #define SANITIZER_INTERCEPT_TTYENT (SI_NETBSD || SI_FREEBSD) 570 #define SANITIZER_INTERCEPT_TTYENTPATH SI_NETBSD 571 #define SANITIZER_INTERCEPT_PROTOENT (SI_LINUX || SI_NETBSD || SI_FREEBSD) 572 #define SANITIZER_INTERCEPT_PROTOENT_R SI_GLIBC 573 #define SANITIZER_INTERCEPT_NETENT (SI_LINUX || SI_NETBSD || SI_FREEBSD) 574 #define SANITIZER_INTERCEPT_SETVBUF \ 575 (SI_NETBSD || SI_FREEBSD || SI_LINUX || SI_MAC) 576 #define SANITIZER_INTERCEPT_GETMNTINFO (SI_NETBSD || SI_FREEBSD || SI_MAC) 577 #define SANITIZER_INTERCEPT_MI_VECTOR_HASH SI_NETBSD 578 #define SANITIZER_INTERCEPT_GETVFSSTAT SI_NETBSD 579 #define SANITIZER_INTERCEPT_REGEX (SI_NETBSD || SI_FREEBSD || SI_LINUX) 580 #define SANITIZER_INTERCEPT_REGEXSUB SI_NETBSD 581 #define SANITIZER_INTERCEPT_FTS (SI_NETBSD || SI_FREEBSD) 582 #define SANITIZER_INTERCEPT_SYSCTL (SI_NETBSD || SI_FREEBSD || SI_MAC) 583 #define SANITIZER_INTERCEPT_ASYSCTL SI_NETBSD 584 #define SANITIZER_INTERCEPT_SYSCTLGETMIBINFO SI_NETBSD 585 #define SANITIZER_INTERCEPT_NL_LANGINFO (SI_NETBSD || SI_FREEBSD || SI_MAC) 586 #define SANITIZER_INTERCEPT_MODCTL SI_NETBSD 587 #define SANITIZER_INTERCEPT_CAPSICUM SI_FREEBSD 588 #define SANITIZER_INTERCEPT_STRTONUM (SI_NETBSD || SI_FREEBSD) 589 #define SANITIZER_INTERCEPT_FPARSELN (SI_NETBSD || SI_FREEBSD) 590 #define SANITIZER_INTERCEPT_STATVFS1 SI_NETBSD 591 #define SANITIZER_INTERCEPT_STRTOI SI_NETBSD 592 #define SANITIZER_INTERCEPT_CAPSICUM SI_FREEBSD 593 #define SANITIZER_INTERCEPT_SHA1 SI_NETBSD 594 #define SANITIZER_INTERCEPT_MD4 SI_NETBSD 595 #define SANITIZER_INTERCEPT_RMD160 SI_NETBSD 596 #define SANITIZER_INTERCEPT_FSEEK SI_POSIX 597 #define SANITIZER_INTERCEPT_MD2 SI_NETBSD 598 #define SANITIZER_INTERCEPT_CDB SI_NETBSD 599 #define SANITIZER_INTERCEPT_VIS (SI_NETBSD || SI_FREEBSD) 600 #define SANITIZER_INTERCEPT_POPEN SI_POSIX 601 #define SANITIZER_INTERCEPT_POPENVE SI_NETBSD 602 #define SANITIZER_INTERCEPT_PCLOSE SI_POSIX 603 #define SANITIZER_INTERCEPT_FUNOPEN (SI_NETBSD || SI_FREEBSD) 604 #define SANITIZER_INTERCEPT_FUNOPEN2 SI_NETBSD 605 #define SANITIZER_INTERCEPT_GETFSENT (SI_FREEBSD || SI_NETBSD || SI_MAC) 606 #define SANITIZER_INTERCEPT_ARC4RANDOM (SI_FREEBSD || SI_NETBSD || SI_MAC) 607 #define SANITIZER_INTERCEPT_FDEVNAME SI_FREEBSD 608 #define SANITIZER_INTERCEPT_GETUSERSHELL (SI_POSIX && !SI_ANDROID) 609 #define SANITIZER_INTERCEPT_SL_INIT (SI_FREEBSD || SI_NETBSD) 610 611 #define SANITIZER_INTERCEPT_GETRANDOM \ 612 ((SI_LINUX && __GLIBC_PREREQ(2, 25)) || SI_FREEBSD || SI_SOLARIS) 613 #define SANITIZER_INTERCEPT___CXA_ATEXIT SI_NETBSD 614 #define SANITIZER_INTERCEPT_ATEXIT SI_NETBSD 615 #define SANITIZER_INTERCEPT_PTHREAD_ATFORK SI_NETBSD 616 #define SANITIZER_INTERCEPT_GETENTROPY \ 617 ((SI_LINUX && __GLIBC_PREREQ(2, 25)) || SI_FREEBSD || SI_SOLARIS) 618 #define SANITIZER_INTERCEPT_QSORT \ 619 (SI_POSIX && !SI_IOSSIM && !SI_WATCHOS && !SI_TVOS && !SI_ANDROID) 620 #define SANITIZER_INTERCEPT_QSORT_R SI_GLIBC 621 #define SANITIZER_INTERCEPT_BSEARCH \ 622 (SI_POSIX && !SI_IOSSIM && !SI_WATCHOS && !SI_TVOS && !SI_ANDROID) 623 // sigaltstack on i386 macOS cannot be intercepted due to setjmp() 624 // calling it and assuming that it does not clobber registers. 625 #define SANITIZER_INTERCEPT_SIGALTSTACK \ 626 (SI_POSIX && !(SANITIZER_APPLE && SANITIZER_I386)) 627 #define SANITIZER_INTERCEPT_UNAME (SI_POSIX && !SI_FREEBSD) 628 #define SANITIZER_INTERCEPT___XUNAME SI_FREEBSD 629 #define SANITIZER_INTERCEPT_FLOPEN SI_FREEBSD 630 #define SANITIZER_INTERCEPT_PROCCTL SI_FREEBSD 631 #define SANITIZER_INTERCEPT_ARGP_PARSE SI_GLIBC 632 #define SANITIZER_INTERCEPT_CPUSET_GETAFFINITY SI_FREEBSD 633 // FIXME: also available from musl 1.2.5 634 #define SANITIZER_INTERCEPT_PREADV2 (SI_LINUX && __GLIBC_PREREQ(2, 26)) 635 #define SANITIZER_INTERCEPT_PWRITEV2 (SI_LINUX && __GLIBC_PREREQ(2, 26)) 636 #if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && \ 637 __MAC_OS_X_VERSION_MIN_REQUIRED >= 130000 638 # define SI_MAC_OS_DEPLOYMENT_MIN_13_00 1 639 #else 640 # define SI_MAC_OS_DEPLOYMENT_MIN_13_00 0 641 #endif 642 #define SANITIZER_INTERCEPT_FREADLINK (SI_MAC && SI_MAC_OS_DEPLOYMENT_MIN_13_00) 643 // This macro gives a way for downstream users to override the above 644 // interceptor macros irrespective of the platform they are on. They have 645 // to do two things: 646 // 1. Build compiler-rt with -DSANITIZER_OVERRIDE_INTERCEPTORS. 647 // 2. Provide a header file named sanitizer_intercept_overriders.h in the 648 // include path for their compiler-rt build. 649 // An example of an overrider for strlen interceptor that one can list in 650 // sanitizer_intercept_overriders.h is as follows: 651 // 652 // #ifdef SANITIZER_INTERCEPT_STRLEN 653 // #undef SANITIZER_INTERCEPT_STRLEN 654 // #define SANITIZER_INTERCEPT_STRLEN <value of choice> 655 // #endif 656 // 657 // This "feature" is useful for downstream users who do not want some of 658 // their libc funtions to be intercepted. They can selectively disable 659 // interception of those functions. 660 #ifdef SANITIZER_OVERRIDE_INTERCEPTORS 661 #include <sanitizer_intercept_overriders.h> 662 #endif 663 664 #endif // #ifndef SANITIZER_PLATFORM_INTERCEPTORS_H 665