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