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_IOS 88 #define SI_IOS 1 89 #else 90 #define SI_IOS 0 91 #endif 92 93 #if SANITIZER_IOSSIM 94 #define SI_IOSSIM 1 95 #else 96 #define SI_IOSSIM 0 97 #endif 98 99 #if SANITIZER_WATCHOS 100 #define SI_WATCHOS 1 101 #else 102 #define SI_WATCHOS 0 103 #endif 104 105 #if SANITIZER_TVOS 106 #define SI_TVOS 1 107 #else 108 #define SI_TVOS 0 109 #endif 110 111 #if SANITIZER_FUCHSIA 112 #define SI_NOT_FUCHSIA 0 113 #else 114 #define SI_NOT_FUCHSIA 1 115 #endif 116 117 #if SANITIZER_SOLARIS 118 #define SI_SOLARIS 1 119 #else 120 #define SI_SOLARIS 0 121 #endif 122 123 #if SANITIZER_SOLARIS32 124 #define SI_SOLARIS32 1 125 #else 126 #define SI_SOLARIS32 0 127 #endif 128 129 #if SANITIZER_POSIX && !SANITIZER_APPLE 130 #define SI_POSIX_NOT_MAC 1 131 #else 132 #define SI_POSIX_NOT_MAC 0 133 #endif 134 135 #if SANITIZER_LINUX && !SANITIZER_FREEBSD 136 #define SI_LINUX_NOT_FREEBSD 1 137 #else 138 #define SI_LINUX_NOT_FREEBSD 0 139 #endif 140 141 #define SANITIZER_INTERCEPT_STRLEN SI_NOT_FUCHSIA 142 #define SANITIZER_INTERCEPT_STRNLEN (SI_NOT_MAC && SI_NOT_FUCHSIA) 143 #define SANITIZER_INTERCEPT_STRCMP SI_NOT_FUCHSIA 144 #define SANITIZER_INTERCEPT_STRSTR SI_NOT_FUCHSIA 145 #define SANITIZER_INTERCEPT_STRCASESTR SI_POSIX 146 #define SANITIZER_INTERCEPT_STRTOK SI_NOT_FUCHSIA 147 #define SANITIZER_INTERCEPT_STRCHR SI_NOT_FUCHSIA 148 #define SANITIZER_INTERCEPT_STRCHRNUL SI_POSIX_NOT_MAC 149 #define SANITIZER_INTERCEPT_STRRCHR SI_NOT_FUCHSIA 150 #define SANITIZER_INTERCEPT_STRSPN SI_NOT_FUCHSIA 151 #define SANITIZER_INTERCEPT_STRPBRK SI_NOT_FUCHSIA 152 #define SANITIZER_INTERCEPT_TEXTDOMAIN SI_LINUX_NOT_ANDROID || SI_SOLARIS 153 #define SANITIZER_INTERCEPT_STRCASECMP SI_POSIX 154 #define SANITIZER_INTERCEPT_MEMSET 1 155 #define SANITIZER_INTERCEPT_MEMMOVE 1 156 #define SANITIZER_INTERCEPT_MEMCPY 1 157 #define SANITIZER_INTERCEPT_MEMCMP SI_NOT_FUCHSIA 158 #define SANITIZER_INTERCEPT_BCMP \ 159 SANITIZER_INTERCEPT_MEMCMP && \ 160 ((SI_POSIX && _GNU_SOURCE) || SI_NETBSD || SI_FREEBSD) 161 #define SANITIZER_INTERCEPT_STRNDUP SI_POSIX 162 #define SANITIZER_INTERCEPT___STRNDUP SI_GLIBC 163 #if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \ 164 __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1070 165 #define SI_MAC_DEPLOYMENT_BELOW_10_7 1 166 #else 167 #define SI_MAC_DEPLOYMENT_BELOW_10_7 0 168 #endif 169 // memmem on Darwin doesn't exist on 10.6 170 // FIXME: enable memmem on Windows. 171 #define SANITIZER_INTERCEPT_MEMMEM (SI_POSIX && !SI_MAC_DEPLOYMENT_BELOW_10_7) 172 #define SANITIZER_INTERCEPT_MEMCHR SI_NOT_FUCHSIA 173 #define SANITIZER_INTERCEPT_MEMRCHR (SI_FREEBSD || SI_LINUX || SI_NETBSD) 174 175 #define SANITIZER_INTERCEPT_READ SI_POSIX 176 #define SANITIZER_INTERCEPT_PREAD SI_POSIX 177 #define SANITIZER_INTERCEPT_WRITE SI_POSIX 178 #define SANITIZER_INTERCEPT_PWRITE SI_POSIX 179 180 #define SANITIZER_INTERCEPT_FREAD SI_POSIX 181 #define SANITIZER_INTERCEPT_FWRITE SI_POSIX 182 #define SANITIZER_INTERCEPT_FGETS SI_POSIX 183 #define SANITIZER_INTERCEPT_FPUTS SI_POSIX 184 #define SANITIZER_INTERCEPT_PUTS SI_POSIX 185 186 #define SANITIZER_INTERCEPT_PREAD64 (SI_GLIBC || SI_SOLARIS32) 187 #define SANITIZER_INTERCEPT_PWRITE64 (SI_GLIBC || SI_SOLARIS32) 188 189 #define SANITIZER_INTERCEPT_READV SI_POSIX 190 #define SANITIZER_INTERCEPT_WRITEV SI_POSIX 191 192 #define SANITIZER_INTERCEPT_PREADV \ 193 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID) 194 #define SANITIZER_INTERCEPT_PWRITEV \ 195 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID) 196 #define SANITIZER_INTERCEPT_PREADV64 SI_GLIBC 197 #define SANITIZER_INTERCEPT_PWRITEV64 SI_GLIBC 198 199 #define SANITIZER_INTERCEPT_PRCTL SI_LINUX 200 201 #define SANITIZER_INTERCEPT_LOCALTIME_AND_FRIENDS SI_POSIX 202 #define SANITIZER_INTERCEPT_STRPTIME SI_POSIX 203 204 #define SANITIZER_INTERCEPT_SCANF SI_POSIX 205 #define SANITIZER_INTERCEPT_ISOC99_SCANF SI_GLIBC 206 207 #ifndef SANITIZER_INTERCEPT_PRINTF 208 #define SANITIZER_INTERCEPT_PRINTF SI_POSIX 209 #define SANITIZER_INTERCEPT_PRINTF_L (SI_FREEBSD || SI_NETBSD) 210 #define SANITIZER_INTERCEPT_ISOC99_PRINTF SI_GLIBC 211 #endif 212 213 #define SANITIZER_INTERCEPT___PRINTF_CHK \ 214 (SANITIZER_INTERCEPT_PRINTF && SI_GLIBC) 215 216 #define SANITIZER_INTERCEPT_FREXP SI_NOT_FUCHSIA 217 #define SANITIZER_INTERCEPT_FREXPF_FREXPL SI_POSIX 218 219 #define SANITIZER_INTERCEPT_GETPWNAM_AND_FRIENDS SI_POSIX 220 #define SANITIZER_INTERCEPT_GETPWNAM_R_AND_FRIENDS \ 221 (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 222 #define SANITIZER_INTERCEPT_GETPWENT \ 223 (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 224 #define SANITIZER_INTERCEPT_FGETGRENT_R (SI_GLIBC || SI_SOLARIS) 225 #define SANITIZER_INTERCEPT_FGETPWENT SI_LINUX_NOT_ANDROID || SI_SOLARIS 226 #define SANITIZER_INTERCEPT_GETPWENT_R \ 227 (SI_FREEBSD || SI_NETBSD || SI_GLIBC || SI_SOLARIS) 228 #define SANITIZER_INTERCEPT_FGETPWENT_R (SI_FREEBSD || SI_GLIBC || SI_SOLARIS) 229 #define SANITIZER_INTERCEPT_SETPWENT \ 230 (SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 231 #define SANITIZER_INTERCEPT_CLOCK_GETTIME \ 232 (SI_FREEBSD || SI_NETBSD || SI_LINUX || SI_SOLARIS) 233 #define SANITIZER_INTERCEPT_CLOCK_GETCPUCLOCKID \ 234 (SI_LINUX || SI_FREEBSD || SI_NETBSD) 235 #define SANITIZER_INTERCEPT_GETITIMER SI_POSIX 236 #define SANITIZER_INTERCEPT_TIME SI_POSIX 237 #define SANITIZER_INTERCEPT_GLOB (SI_GLIBC || SI_SOLARIS) 238 #define SANITIZER_INTERCEPT_GLOB64 SI_GLIBC 239 #define SANITIZER_INTERCEPT___B64_TO SI_LINUX_NOT_ANDROID 240 #define SANITIZER_INTERCEPT_DN_COMP_EXPAND SI_LINUX_NOT_ANDROID 241 #define SANITIZER_INTERCEPT_POSIX_SPAWN SI_POSIX 242 #define SANITIZER_INTERCEPT_WAIT SI_POSIX 243 #define SANITIZER_INTERCEPT_INET SI_POSIX 244 #define SANITIZER_INTERCEPT_PTHREAD_GETSCHEDPARAM SI_POSIX 245 #define SANITIZER_INTERCEPT_GETADDRINFO SI_POSIX 246 #define SANITIZER_INTERCEPT_GETNAMEINFO SI_POSIX 247 #define SANITIZER_INTERCEPT_GETSOCKNAME SI_POSIX 248 #define SANITIZER_INTERCEPT_GETHOSTBYNAME SI_POSIX 249 #define SANITIZER_INTERCEPT_GETHOSTBYNAME2 SI_POSIX && !SI_SOLARIS 250 #define SANITIZER_INTERCEPT_GETHOSTBYNAME_R \ 251 (SI_FREEBSD || SI_LINUX || SI_SOLARIS) 252 #define SANITIZER_INTERCEPT_GETHOSTBYNAME2_R \ 253 (SI_FREEBSD || SI_LINUX_NOT_ANDROID) 254 #define SANITIZER_INTERCEPT_GETHOSTBYADDR_R \ 255 (SI_FREEBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 256 #define SANITIZER_INTERCEPT_GETHOSTENT_R (SI_FREEBSD || SI_GLIBC || SI_SOLARIS) 257 #define SANITIZER_INTERCEPT_GETSOCKOPT SI_POSIX 258 #define SANITIZER_INTERCEPT_ACCEPT SI_POSIX 259 #define SANITIZER_INTERCEPT_ACCEPT4 \ 260 (SI_LINUX_NOT_ANDROID || SI_NETBSD || SI_FREEBSD) 261 #define SANITIZER_INTERCEPT_PACCEPT SI_NETBSD 262 #define SANITIZER_INTERCEPT_MODF SI_POSIX 263 #define SANITIZER_INTERCEPT_RECVMSG SI_POSIX 264 #define SANITIZER_INTERCEPT_SENDMSG SI_POSIX 265 #define SANITIZER_INTERCEPT_RECVMMSG SI_LINUX 266 #define SANITIZER_INTERCEPT_SENDMMSG SI_LINUX 267 #define SANITIZER_INTERCEPT_SYSMSG SI_LINUX_NOT_ANDROID 268 #define SANITIZER_INTERCEPT_GETPEERNAME SI_POSIX 269 #define SANITIZER_INTERCEPT_IOCTL SI_POSIX 270 #define SANITIZER_INTERCEPT_INET_ATON SI_POSIX 271 #define SANITIZER_INTERCEPT_SYSINFO SI_LINUX 272 #define SANITIZER_INTERCEPT_READDIR SI_POSIX 273 #define SANITIZER_INTERCEPT_READDIR64 SI_GLIBC || SI_SOLARIS32 274 #if SI_LINUX_NOT_ANDROID && \ 275 (defined(__i386) || defined(__x86_64) || defined(__mips64) || \ 276 defined(__powerpc64__) || defined(__aarch64__) || defined(__arm__) || \ 277 defined(__s390__) || defined(__loongarch__) || SANITIZER_RISCV64) 278 #define SANITIZER_INTERCEPT_PTRACE 1 279 #else 280 #define SANITIZER_INTERCEPT_PTRACE 0 281 #endif 282 #define SANITIZER_INTERCEPT_SETLOCALE SI_POSIX 283 #define SANITIZER_INTERCEPT_GETCWD SI_POSIX 284 #define SANITIZER_INTERCEPT_GET_CURRENT_DIR_NAME SI_LINUX_NOT_ANDROID 285 #define SANITIZER_INTERCEPT_STRTOIMAX SI_POSIX 286 #define SANITIZER_INTERCEPT_MBSTOWCS SI_POSIX 287 #define SANITIZER_INTERCEPT_MBSNRTOWCS \ 288 (SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 289 #define SANITIZER_INTERCEPT_WCSTOMBS SI_POSIX 290 #define SANITIZER_INTERCEPT_STRXFRM SI_POSIX 291 #define SANITIZER_INTERCEPT___STRXFRM_L SI_LINUX 292 #define SANITIZER_INTERCEPT_WCSXFRM SI_POSIX 293 #define SANITIZER_INTERCEPT___WCSXFRM_L SI_LINUX 294 #define SANITIZER_INTERCEPT_WCSNRTOMBS \ 295 (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 296 #define SANITIZER_INTERCEPT_WCRTOMB \ 297 (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 298 #define SANITIZER_INTERCEPT_WCTOMB \ 299 (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 300 #define SANITIZER_INTERCEPT_TCGETATTR SI_LINUX_NOT_ANDROID || SI_SOLARIS 301 #define SANITIZER_INTERCEPT_REALPATH SI_POSIX 302 #define SANITIZER_INTERCEPT_CANONICALIZE_FILE_NAME (SI_GLIBC || SI_SOLARIS) 303 #define SANITIZER_INTERCEPT_CONFSTR \ 304 (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 305 #define SANITIZER_INTERCEPT_SCHED_GETAFFINITY \ 306 (SI_LINUX_NOT_ANDROID || SI_FREEBSD) 307 #define SANITIZER_INTERCEPT_SCHED_GETPARAM SI_LINUX_NOT_ANDROID || SI_SOLARIS 308 #define SANITIZER_INTERCEPT_STRERROR SI_POSIX 309 #define SANITIZER_INTERCEPT_STRERROR_R SI_POSIX 310 #define SANITIZER_INTERCEPT_XPG_STRERROR_R SI_LINUX_NOT_ANDROID 311 #define SANITIZER_INTERCEPT_SCANDIR \ 312 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 313 #define SANITIZER_INTERCEPT_SCANDIR64 SI_GLIBC || SI_SOLARIS32 314 #define SANITIZER_INTERCEPT_GETGROUPS SI_POSIX 315 #define SANITIZER_INTERCEPT_POLL SI_POSIX 316 #define SANITIZER_INTERCEPT_PPOLL SI_LINUX_NOT_ANDROID || SI_SOLARIS 317 #define SANITIZER_INTERCEPT_WORDEXP \ 318 (SI_FREEBSD || SI_NETBSD || (SI_MAC && !SI_IOS) || SI_LINUX_NOT_ANDROID || \ 319 SI_SOLARIS) 320 #define SANITIZER_INTERCEPT_SIGWAIT SI_POSIX 321 #define SANITIZER_INTERCEPT_SIGWAITINFO SI_LINUX_NOT_ANDROID || SI_SOLARIS 322 #define SANITIZER_INTERCEPT_SIGTIMEDWAIT SI_LINUX_NOT_ANDROID || SI_SOLARIS 323 #define SANITIZER_INTERCEPT_SIGSETOPS \ 324 (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 325 #define SANITIZER_INTERCEPT_SIGSET_LOGICOPS SI_LINUX_NOT_ANDROID 326 #define SANITIZER_INTERCEPT_SIGPENDING SI_POSIX 327 #define SANITIZER_INTERCEPT_SIGPROCMASK SI_POSIX 328 #define SANITIZER_INTERCEPT_PTHREAD_SIGMASK SI_POSIX 329 #define SANITIZER_INTERCEPT_BACKTRACE \ 330 (SI_FREEBSD || SI_NETBSD || SI_GLIBC || SI_SOLARIS) 331 #define SANITIZER_INTERCEPT_GETMNTENT SI_LINUX 332 #define SANITIZER_INTERCEPT_GETMNTENT_R SI_LINUX_NOT_ANDROID 333 #define SANITIZER_INTERCEPT_STATFS \ 334 (SI_FREEBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 335 #define SANITIZER_INTERCEPT_STATFS64 SI_GLIBC && SANITIZER_HAS_STATFS64 336 #define SANITIZER_INTERCEPT_STATVFS \ 337 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID) 338 #define SANITIZER_INTERCEPT_STATVFS64 SI_GLIBC 339 #define SANITIZER_INTERCEPT_INITGROUPS SI_POSIX 340 #define SANITIZER_INTERCEPT_ETHER_NTOA_ATON SI_POSIX 341 #define SANITIZER_INTERCEPT_ETHER_HOST \ 342 (SI_FREEBSD || SI_MAC || SI_LINUX_NOT_ANDROID) 343 #define SANITIZER_INTERCEPT_ETHER_R (SI_FREEBSD || SI_LINUX_NOT_ANDROID) 344 #define SANITIZER_INTERCEPT_SHMCTL \ 345 (((SI_FREEBSD || SI_LINUX_NOT_ANDROID) && SANITIZER_WORDSIZE == 64) || \ 346 SI_NETBSD || SI_SOLARIS) 347 #define SANITIZER_INTERCEPT_RANDOM_R SI_GLIBC 348 #define SANITIZER_INTERCEPT_PTHREAD_ATTR_GET SI_POSIX 349 #define SANITIZER_INTERCEPT_PTHREAD_ATTR_GETINHERITSCHED \ 350 (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 351 #define SANITIZER_INTERCEPT_PTHREAD_ATTR_GETAFFINITY_NP SI_GLIBC 352 #define SANITIZER_INTERCEPT_PTHREAD_GETAFFINITY_NP \ 353 (SI_LINUX_NOT_ANDROID || SI_FREEBSD) 354 #define SANITIZER_INTERCEPT_PTHREAD_ATTR_GET_SCHED SI_POSIX 355 #define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPSHARED \ 356 (SI_POSIX && !SI_NETBSD) 357 #define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETTYPE SI_POSIX 358 #define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPROTOCOL \ 359 (SI_MAC || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 360 #define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPRIOCEILING \ 361 (SI_MAC || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 362 #define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETROBUST \ 363 (SI_LINUX_NOT_ANDROID || SI_SOLARIS) 364 #define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETROBUST_NP SI_LINUX_NOT_ANDROID 365 #define SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GETPSHARED \ 366 (SI_POSIX && !SI_NETBSD) 367 #define SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GETKIND_NP SI_GLIBC 368 #define SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GETPSHARED (SI_POSIX && !SI_NETBSD) 369 #define SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GETCLOCK \ 370 (SI_LINUX_NOT_ANDROID || SI_SOLARIS) 371 #define SANITIZER_INTERCEPT_PTHREAD_BARRIERATTR_GETPSHARED \ 372 (SI_LINUX_NOT_ANDROID && !SI_NETBSD) 373 #define SANITIZER_INTERCEPT_TRYJOIN SI_GLIBC 374 #define SANITIZER_INTERCEPT_TIMEDJOIN SI_GLIBC 375 #define SANITIZER_INTERCEPT_THR_EXIT SI_FREEBSD 376 #define SANITIZER_INTERCEPT_TMPNAM SI_POSIX 377 #define SANITIZER_INTERCEPT_TMPNAM_R (SI_GLIBC || SI_SOLARIS) 378 #define SANITIZER_INTERCEPT_PTSNAME SI_LINUX 379 #define SANITIZER_INTERCEPT_PTSNAME_R SI_LINUX 380 #define SANITIZER_INTERCEPT_TTYNAME SI_POSIX 381 #define SANITIZER_INTERCEPT_TTYNAME_R SI_POSIX 382 #define SANITIZER_INTERCEPT_TEMPNAM SI_POSIX 383 #define SANITIZER_INTERCEPT_SINCOS SI_LINUX || SI_SOLARIS 384 #define SANITIZER_INTERCEPT_REMQUO SI_POSIX 385 #define SANITIZER_INTERCEPT_REMQUOL (SI_POSIX && !SI_NETBSD) 386 #define SANITIZER_INTERCEPT_LGAMMA SI_POSIX 387 #define SANITIZER_INTERCEPT_LGAMMAL (SI_POSIX && !SI_NETBSD) 388 #define SANITIZER_INTERCEPT_LGAMMA_R (SI_FREEBSD || SI_LINUX || SI_SOLARIS) 389 #define SANITIZER_INTERCEPT_LGAMMAL_R SI_LINUX_NOT_ANDROID || SI_SOLARIS 390 #define SANITIZER_INTERCEPT_DRAND48_R SI_GLIBC 391 #define SANITIZER_INTERCEPT_RAND_R \ 392 (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 393 #define SANITIZER_INTERCEPT_ICONV \ 394 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 395 #define SANITIZER_INTERCEPT_TIMES SI_POSIX 396 397 // FIXME: getline seems to be available on OSX 10.7 398 #define SANITIZER_INTERCEPT_GETLINE \ 399 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS) 400 401 #define SANITIZER_INTERCEPT__EXIT \ 402 (SI_LINUX || SI_FREEBSD || SI_NETBSD || SI_MAC || SI_SOLARIS) 403 404 #define SANITIZER_INTERCEPT___LIBC_MUTEX SI_NETBSD 405 #define SANITIZER_INTERCEPT_PTHREAD_SETNAME_NP \ 406 (SI_FREEBSD || SI_NETBSD || SI_GLIBC || SI_SOLARIS) 407 #define SANITIZER_INTERCEPT_PTHREAD_GETNAME_NP \ 408 (SI_FREEBSD || SI_NETBSD || SI_GLIBC || SI_SOLARIS) 409 410 #define SANITIZER_INTERCEPT_TLS_GET_ADDR \ 411 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID) 412 413 #define SANITIZER_INTERCEPT_LISTXATTR SI_LINUX 414 #define SANITIZER_INTERCEPT_GETXATTR SI_LINUX 415 #define SANITIZER_INTERCEPT_GETRESID SI_LINUX 416 #define SANITIZER_INTERCEPT_GETIFADDRS \ 417 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_MAC || SI_SOLARIS) 418 #define SANITIZER_INTERCEPT_IF_INDEXTONAME \ 419 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_MAC || SI_SOLARIS) 420 #define SANITIZER_INTERCEPT_CAPGET SI_LINUX_NOT_ANDROID 421 #if SI_LINUX && defined(__arm__) 422 #define SANITIZER_INTERCEPT_AEABI_MEM 1 423 #else 424 #define SANITIZER_INTERCEPT_AEABI_MEM 0 425 #endif 426 #define SANITIZER_INTERCEPT___BZERO SI_MAC || SI_GLIBC 427 #define SANITIZER_INTERCEPT_BZERO SI_LINUX_NOT_ANDROID 428 #define SANITIZER_INTERCEPT_FTIME (!SI_FREEBSD && !SI_NETBSD && SI_POSIX) 429 #define SANITIZER_INTERCEPT_XDR (SI_GLIBC || SI_SOLARIS) 430 #define SANITIZER_INTERCEPT_XDRREC SI_GLIBC 431 #define SANITIZER_INTERCEPT_TSEARCH \ 432 (SI_LINUX_NOT_ANDROID || SI_MAC || SI_NETBSD || SI_SOLARIS) 433 #define SANITIZER_INTERCEPT_LIBIO_INTERNALS SI_GLIBC 434 #define SANITIZER_INTERCEPT_FOPEN SI_POSIX 435 #define SANITIZER_INTERCEPT_FOPEN64 (SI_GLIBC || SI_SOLARIS32) 436 #define SANITIZER_INTERCEPT_OPEN_MEMSTREAM \ 437 (SI_LINUX_NOT_ANDROID || SI_NETBSD || SI_SOLARIS) 438 #define SANITIZER_INTERCEPT_OBSTACK SI_GLIBC 439 #define SANITIZER_INTERCEPT_FFLUSH SI_POSIX 440 #define SANITIZER_INTERCEPT_FCLOSE SI_POSIX 441 442 #ifndef SANITIZER_INTERCEPT_DLOPEN_DLCLOSE 443 #define SANITIZER_INTERCEPT_DLOPEN_DLCLOSE \ 444 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_MAC || SI_SOLARIS) 445 #endif 446 447 #define SANITIZER_INTERCEPT_GETPASS \ 448 (SI_LINUX_NOT_ANDROID || SI_MAC || SI_NETBSD) 449 #define SANITIZER_INTERCEPT_TIMERFD SI_LINUX_NOT_ANDROID 450 451 #define SANITIZER_INTERCEPT_MLOCKX SI_POSIX 452 #define SANITIZER_INTERCEPT_FOPENCOOKIE SI_LINUX_NOT_ANDROID 453 #define SANITIZER_INTERCEPT_SEM \ 454 (SI_LINUX || SI_FREEBSD || SI_NETBSD || SI_SOLARIS) 455 #define SANITIZER_INTERCEPT_PTHREAD_SETCANCEL SI_POSIX 456 #define SANITIZER_INTERCEPT_MINCORE \ 457 (SI_LINUX || SI_NETBSD || SI_FREEBSD || SI_SOLARIS) 458 #define SANITIZER_INTERCEPT_PROCESS_VM_READV SI_LINUX 459 #define SANITIZER_INTERCEPT_CTERMID \ 460 (SI_LINUX || SI_MAC || SI_FREEBSD || SI_NETBSD || SI_SOLARIS) 461 #define SANITIZER_INTERCEPT_CTERMID_R (SI_MAC || SI_FREEBSD || SI_SOLARIS) 462 463 #define SANITIZER_INTERCEPTOR_HOOKS \ 464 (SI_LINUX || SI_MAC || SI_WINDOWS || SI_FREEBSD || SI_NETBSD || SI_SOLARIS) 465 #define SANITIZER_INTERCEPT_RECV_RECVFROM SI_POSIX 466 #define SANITIZER_INTERCEPT_SEND_SENDTO SI_POSIX 467 #define SANITIZER_INTERCEPT_EVENTFD_READ_WRITE (SI_LINUX || SI_FREEBSD) 468 469 #define SI_STAT_LINUX (SI_LINUX && __GLIBC_PREREQ(2, 33)) 470 #define SANITIZER_INTERCEPT_STAT \ 471 (SI_FREEBSD || SI_MAC || SI_ANDROID || SI_NETBSD || SI_SOLARIS || \ 472 SI_STAT_LINUX) 473 #define SANITIZER_INTERCEPT_STAT64 SI_STAT_LINUX && SANITIZER_HAS_STAT64 474 #define SANITIZER_INTERCEPT_LSTAT (SI_NETBSD || SI_FREEBSD || SI_STAT_LINUX) 475 #define SANITIZER_INTERCEPT___XSTAT \ 476 ((!SANITIZER_INTERCEPT_STAT && SI_POSIX) || SI_STAT_LINUX) 477 #define SANITIZER_INTERCEPT___XSTAT64 SI_GLIBC 478 #define SANITIZER_INTERCEPT___LXSTAT SANITIZER_INTERCEPT___XSTAT 479 #define SANITIZER_INTERCEPT___LXSTAT64 SI_GLIBC 480 481 #define SANITIZER_INTERCEPT_UTMP \ 482 (SI_POSIX && !SI_MAC && !SI_FREEBSD && !SI_NETBSD) 483 #define SANITIZER_INTERCEPT_UTMPX \ 484 (SI_LINUX_NOT_ANDROID || SI_MAC || SI_FREEBSD || SI_NETBSD) 485 486 #define SANITIZER_INTERCEPT_GETLOADAVG \ 487 (SI_LINUX_NOT_ANDROID || SI_MAC || SI_FREEBSD || SI_NETBSD) 488 489 #define SANITIZER_INTERCEPT_MMAP SI_POSIX 490 #define SANITIZER_INTERCEPT_MMAP64 SI_GLIBC || SI_SOLARIS 491 #define SANITIZER_INTERCEPT_MALLOPT_AND_MALLINFO (SI_GLIBC || SI_ANDROID) 492 #define SANITIZER_INTERCEPT_MEMALIGN (!SI_FREEBSD && !SI_MAC && !SI_NETBSD) 493 #define SANITIZER_INTERCEPT___LIBC_MEMALIGN SI_GLIBC 494 #define SANITIZER_INTERCEPT_PVALLOC (SI_GLIBC || SI_ANDROID) 495 #define SANITIZER_INTERCEPT_CFREE (SI_GLIBC && !SANITIZER_RISCV64) 496 #define SANITIZER_INTERCEPT_REALLOCARRAY SI_POSIX 497 #define SANITIZER_INTERCEPT_ALIGNED_ALLOC (!SI_MAC) 498 #define SANITIZER_INTERCEPT_MALLOC_USABLE_SIZE (!SI_MAC && !SI_NETBSD) 499 #define SANITIZER_INTERCEPT_MCHECK_MPROBE SI_LINUX_NOT_ANDROID 500 #define SANITIZER_INTERCEPT_WCSLEN 1 501 #define SANITIZER_INTERCEPT_WCSCAT SI_POSIX 502 #define SANITIZER_INTERCEPT_WCSDUP SI_POSIX 503 #define SANITIZER_INTERCEPT_SIGNAL_AND_SIGACTION (!SI_WINDOWS && SI_NOT_FUCHSIA) 504 #define SANITIZER_INTERCEPT_BSD_SIGNAL SI_ANDROID 505 506 #define SANITIZER_INTERCEPT_ACCT (SI_NETBSD || SI_FREEBSD) 507 #define SANITIZER_INTERCEPT_USER_FROM_UID SI_NETBSD 508 #define SANITIZER_INTERCEPT_UID_FROM_USER SI_NETBSD 509 #define SANITIZER_INTERCEPT_GROUP_FROM_GID SI_NETBSD 510 #define SANITIZER_INTERCEPT_GID_FROM_GROUP SI_NETBSD 511 #define SANITIZER_INTERCEPT_ACCESS (SI_NETBSD || SI_FREEBSD) 512 #define SANITIZER_INTERCEPT_FACCESSAT (SI_NETBSD || SI_FREEBSD) 513 #define SANITIZER_INTERCEPT_GETGROUPLIST \ 514 (SI_NETBSD || SI_FREEBSD || SI_LINUX) 515 #define SANITIZER_INTERCEPT_STRLCPY \ 516 (SI_NETBSD || SI_FREEBSD || SI_MAC || SI_ANDROID) 517 518 #define SANITIZER_INTERCEPT_NAME_TO_HANDLE_AT SI_LINUX_NOT_ANDROID 519 #define SANITIZER_INTERCEPT_OPEN_BY_HANDLE_AT SI_LINUX_NOT_ANDROID 520 521 #define SANITIZER_INTERCEPT_READLINK SI_POSIX 522 #if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \ 523 __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 101000 524 #define SI_MAC_DEPLOYMENT_BELOW_10_10 1 525 #else 526 #define SI_MAC_DEPLOYMENT_BELOW_10_10 0 527 #endif 528 #define SANITIZER_INTERCEPT_READLINKAT \ 529 (SI_POSIX && !SI_MAC_DEPLOYMENT_BELOW_10_10) 530 531 #define SANITIZER_INTERCEPT_DEVNAME (SI_NETBSD || SI_FREEBSD) 532 #define SANITIZER_INTERCEPT_DEVNAME_R (SI_NETBSD || SI_FREEBSD) 533 #define SANITIZER_INTERCEPT_FGETLN (SI_NETBSD || SI_FREEBSD) 534 #define SANITIZER_INTERCEPT_STRMODE (SI_NETBSD || SI_FREEBSD) 535 #define SANITIZER_INTERCEPT_TTYENT (SI_NETBSD || SI_FREEBSD) 536 #define SANITIZER_INTERCEPT_TTYENTPATH SI_NETBSD 537 #define SANITIZER_INTERCEPT_PROTOENT (SI_LINUX || SI_NETBSD || SI_FREEBSD) 538 #define SANITIZER_INTERCEPT_PROTOENT_R SI_GLIBC 539 #define SANITIZER_INTERCEPT_NETENT (SI_LINUX || SI_NETBSD || SI_FREEBSD) 540 #define SANITIZER_INTERCEPT_SETVBUF \ 541 (SI_NETBSD || SI_FREEBSD || SI_LINUX || SI_MAC) 542 #define SANITIZER_INTERCEPT_GETMNTINFO (SI_NETBSD || SI_FREEBSD || SI_MAC) 543 #define SANITIZER_INTERCEPT_MI_VECTOR_HASH SI_NETBSD 544 #define SANITIZER_INTERCEPT_GETVFSSTAT SI_NETBSD 545 #define SANITIZER_INTERCEPT_REGEX (SI_NETBSD || SI_FREEBSD || SI_LINUX) 546 #define SANITIZER_INTERCEPT_REGEXSUB SI_NETBSD 547 #define SANITIZER_INTERCEPT_FTS (SI_NETBSD || SI_FREEBSD) 548 #define SANITIZER_INTERCEPT_SYSCTL (SI_NETBSD || SI_FREEBSD || SI_MAC) 549 #define SANITIZER_INTERCEPT_ASYSCTL SI_NETBSD 550 #define SANITIZER_INTERCEPT_SYSCTLGETMIBINFO SI_NETBSD 551 #define SANITIZER_INTERCEPT_NL_LANGINFO (SI_NETBSD || SI_FREEBSD || SI_MAC) 552 #define SANITIZER_INTERCEPT_MODCTL SI_NETBSD 553 #define SANITIZER_INTERCEPT_CAPSICUM SI_FREEBSD 554 #define SANITIZER_INTERCEPT_STRTONUM (SI_NETBSD || SI_FREEBSD) 555 #define SANITIZER_INTERCEPT_FPARSELN (SI_NETBSD || SI_FREEBSD) 556 #define SANITIZER_INTERCEPT_STATVFS1 SI_NETBSD 557 #define SANITIZER_INTERCEPT_STRTOI SI_NETBSD 558 #define SANITIZER_INTERCEPT_CAPSICUM SI_FREEBSD 559 #define SANITIZER_INTERCEPT_SHA1 SI_NETBSD 560 #define SANITIZER_INTERCEPT_MD4 SI_NETBSD 561 #define SANITIZER_INTERCEPT_RMD160 SI_NETBSD 562 #define SANITIZER_INTERCEPT_MD5 (SI_NETBSD || SI_FREEBSD) 563 #define SANITIZER_INTERCEPT_FSEEK (SI_NETBSD || SI_FREEBSD) 564 #define SANITIZER_INTERCEPT_MD2 SI_NETBSD 565 #define SANITIZER_INTERCEPT_SHA2 (SI_NETBSD || SI_FREEBSD) 566 #define SANITIZER_INTERCEPT_CDB SI_NETBSD 567 #define SANITIZER_INTERCEPT_VIS (SI_NETBSD || SI_FREEBSD) 568 #define SANITIZER_INTERCEPT_POPEN SI_POSIX 569 #define SANITIZER_INTERCEPT_POPENVE SI_NETBSD 570 #define SANITIZER_INTERCEPT_PCLOSE SI_POSIX 571 #define SANITIZER_INTERCEPT_FUNOPEN (SI_NETBSD || SI_FREEBSD) 572 #define SANITIZER_INTERCEPT_FUNOPEN2 SI_NETBSD 573 #define SANITIZER_INTERCEPT_GETFSENT (SI_FREEBSD || SI_NETBSD || SI_MAC) 574 #define SANITIZER_INTERCEPT_ARC4RANDOM (SI_FREEBSD || SI_NETBSD || SI_MAC) 575 #define SANITIZER_INTERCEPT_FDEVNAME SI_FREEBSD 576 #define SANITIZER_INTERCEPT_GETUSERSHELL (SI_POSIX && !SI_ANDROID) 577 #define SANITIZER_INTERCEPT_SL_INIT (SI_FREEBSD || SI_NETBSD) 578 579 #define SANITIZER_INTERCEPT_GETRANDOM \ 580 ((SI_LINUX && __GLIBC_PREREQ(2, 25)) || SI_FREEBSD || SI_SOLARIS) 581 #define SANITIZER_INTERCEPT___CXA_ATEXIT SI_NETBSD 582 #define SANITIZER_INTERCEPT_ATEXIT SI_NETBSD 583 #define SANITIZER_INTERCEPT_PTHREAD_ATFORK SI_NETBSD 584 #define SANITIZER_INTERCEPT_GETENTROPY \ 585 ((SI_LINUX && __GLIBC_PREREQ(2, 25)) || SI_FREEBSD || SI_SOLARIS) 586 #define SANITIZER_INTERCEPT_QSORT \ 587 (SI_POSIX && !SI_IOSSIM && !SI_WATCHOS && !SI_TVOS && !SI_ANDROID) 588 #define SANITIZER_INTERCEPT_QSORT_R SI_GLIBC 589 #define SANITIZER_INTERCEPT_BSEARCH \ 590 (SI_POSIX && !SI_IOSSIM && !SI_WATCHOS && !SI_TVOS && !SI_ANDROID) 591 // sigaltstack on i386 macOS cannot be intercepted due to setjmp() 592 // calling it and assuming that it does not clobber registers. 593 #define SANITIZER_INTERCEPT_SIGALTSTACK \ 594 (SI_POSIX && !(SANITIZER_APPLE && SANITIZER_I386)) 595 #define SANITIZER_INTERCEPT_UNAME (SI_POSIX && !SI_FREEBSD) 596 #define SANITIZER_INTERCEPT___XUNAME SI_FREEBSD 597 #define SANITIZER_INTERCEPT_FLOPEN SI_FREEBSD 598 #define SANITIZER_INTERCEPT_PROCCTL SI_FREEBSD 599 #define SANITIZER_INTERCEPT_ARGP_PARSE SI_GLIBC 600 #define SANITIZER_INTERCEPT_CPUSET_GETAFFINITY SI_FREEBSD 601 602 // This macro gives a way for downstream users to override the above 603 // interceptor macros irrespective of the platform they are on. They have 604 // to do two things: 605 // 1. Build compiler-rt with -DSANITIZER_OVERRIDE_INTERCEPTORS. 606 // 2. Provide a header file named sanitizer_intercept_overriders.h in the 607 // include path for their compiler-rt build. 608 // An example of an overrider for strlen interceptor that one can list in 609 // sanitizer_intercept_overriders.h is as follows: 610 // 611 // #ifdef SANITIZER_INTERCEPT_STRLEN 612 // #undef SANITIZER_INTERCEPT_STRLEN 613 // #define SANITIZER_INTERCEPT_STRLEN <value of choice> 614 // #endif 615 // 616 // This "feature" is useful for downstream users who do not want some of 617 // their libc funtions to be intercepted. They can selectively disable 618 // interception of those functions. 619 #ifdef SANITIZER_OVERRIDE_INTERCEPTORS 620 #include <sanitizer_intercept_overriders.h> 621 #endif 622 623 #endif // #ifndef SANITIZER_PLATFORM_INTERCEPTORS_H 624