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_LINUX_NOT_ANDROID || 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__) || 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_LINUX_NOT_ANDROID || 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_LINUX_NOT_ANDROID && SANITIZER_HAS_STATFS64
334 #define SANITIZER_INTERCEPT_STATVFS \
335 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID)
336 #define SANITIZER_INTERCEPT_STATVFS64 SI_LINUX_NOT_ANDROID
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_PTHREAD_MUTEX SI_POSIX
400 #define SANITIZER_INTERCEPT___PTHREAD_MUTEX SI_GLIBC
401 #define SANITIZER_INTERCEPT___LIBC_MUTEX SI_NETBSD
402 #define SANITIZER_INTERCEPT_PTHREAD_SETNAME_NP \
403 (SI_FREEBSD || SI_NETBSD || SI_GLIBC || SI_SOLARIS)
404 #define SANITIZER_INTERCEPT_PTHREAD_GETNAME_NP \
405 (SI_FREEBSD || SI_NETBSD || SI_GLIBC || SI_SOLARIS)
406
407 #define SANITIZER_INTERCEPT_TLS_GET_ADDR \
408 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID)
409
410 #define SANITIZER_INTERCEPT_LISTXATTR SI_LINUX
411 #define SANITIZER_INTERCEPT_GETXATTR SI_LINUX
412 #define SANITIZER_INTERCEPT_GETRESID SI_LINUX
413 #define SANITIZER_INTERCEPT_GETIFADDRS \
414 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_MAC || SI_SOLARIS)
415 #define SANITIZER_INTERCEPT_IF_INDEXTONAME \
416 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_MAC || SI_SOLARIS)
417 #define SANITIZER_INTERCEPT_CAPGET SI_LINUX_NOT_ANDROID
418 #if SI_LINUX && defined(__arm__)
419 #define SANITIZER_INTERCEPT_AEABI_MEM 1
420 #else
421 #define SANITIZER_INTERCEPT_AEABI_MEM 0
422 #endif
423 #define SANITIZER_INTERCEPT___BZERO SI_MAC || SI_GLIBC
424 #define SANITIZER_INTERCEPT_BZERO SI_LINUX_NOT_ANDROID
425 #define SANITIZER_INTERCEPT_FTIME (!SI_FREEBSD && !SI_NETBSD && SI_POSIX)
426 #define SANITIZER_INTERCEPT_XDR (SI_GLIBC || SI_SOLARIS)
427 #define SANITIZER_INTERCEPT_XDRREC SI_GLIBC
428 #define SANITIZER_INTERCEPT_TSEARCH \
429 (SI_LINUX_NOT_ANDROID || SI_MAC || SI_NETBSD || SI_SOLARIS)
430 #define SANITIZER_INTERCEPT_LIBIO_INTERNALS SI_GLIBC
431 #define SANITIZER_INTERCEPT_FOPEN SI_POSIX
432 #define SANITIZER_INTERCEPT_FOPEN64 (SI_GLIBC || SI_SOLARIS32)
433 #define SANITIZER_INTERCEPT_OPEN_MEMSTREAM \
434 (SI_LINUX_NOT_ANDROID || SI_NETBSD || SI_SOLARIS)
435 #define SANITIZER_INTERCEPT_OBSTACK SI_GLIBC
436 #define SANITIZER_INTERCEPT_FFLUSH SI_POSIX
437 #define SANITIZER_INTERCEPT_FCLOSE SI_POSIX
438
439 #ifndef SANITIZER_INTERCEPT_DLOPEN_DLCLOSE
440 #define SANITIZER_INTERCEPT_DLOPEN_DLCLOSE \
441 (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_MAC || SI_SOLARIS)
442 #endif
443
444 #define SANITIZER_INTERCEPT_GETPASS \
445 (SI_LINUX_NOT_ANDROID || SI_MAC || SI_NETBSD)
446 #define SANITIZER_INTERCEPT_TIMERFD SI_LINUX_NOT_ANDROID
447
448 #define SANITIZER_INTERCEPT_MLOCKX SI_POSIX
449 #define SANITIZER_INTERCEPT_FOPENCOOKIE SI_LINUX_NOT_ANDROID
450 #define SANITIZER_INTERCEPT_SEM \
451 (SI_LINUX || SI_FREEBSD || SI_NETBSD || SI_SOLARIS)
452 #define SANITIZER_INTERCEPT_PTHREAD_SETCANCEL SI_POSIX
453 #define SANITIZER_INTERCEPT_MINCORE \
454 (SI_LINUX || SI_NETBSD || SI_FREEBSD || SI_SOLARIS)
455 #define SANITIZER_INTERCEPT_PROCESS_VM_READV SI_LINUX
456 #define SANITIZER_INTERCEPT_CTERMID \
457 (SI_LINUX || SI_MAC || SI_FREEBSD || SI_NETBSD || SI_SOLARIS)
458 #define SANITIZER_INTERCEPT_CTERMID_R (SI_MAC || SI_FREEBSD || SI_SOLARIS)
459
460 #define SANITIZER_INTERCEPTOR_HOOKS \
461 (SI_LINUX || SI_MAC || SI_WINDOWS || SI_FREEBSD || SI_NETBSD || SI_SOLARIS)
462 #define SANITIZER_INTERCEPT_RECV_RECVFROM SI_POSIX
463 #define SANITIZER_INTERCEPT_SEND_SENDTO SI_POSIX
464 #define SANITIZER_INTERCEPT_EVENTFD_READ_WRITE SI_LINUX
465
466 #define SI_STAT_LINUX (SI_LINUX && __GLIBC_PREREQ(2, 33))
467 #define SANITIZER_INTERCEPT_STAT \
468 (SI_FREEBSD || SI_MAC || SI_ANDROID || SI_NETBSD || SI_SOLARIS || \
469 SI_STAT_LINUX)
470 #define SANITIZER_INTERCEPT_STAT64 SI_STAT_LINUX && SANITIZER_HAS_STAT64
471 #define SANITIZER_INTERCEPT_LSTAT (SI_NETBSD || SI_FREEBSD || SI_STAT_LINUX)
472 #define SANITIZER_INTERCEPT___XSTAT \
473 ((!SANITIZER_INTERCEPT_STAT && SI_POSIX) || SI_STAT_LINUX)
474 #define SANITIZER_INTERCEPT___XSTAT64 SI_LINUX_NOT_ANDROID
475 #define SANITIZER_INTERCEPT___LXSTAT SANITIZER_INTERCEPT___XSTAT
476 #define SANITIZER_INTERCEPT___LXSTAT64 SI_LINUX_NOT_ANDROID
477
478 #define SANITIZER_INTERCEPT_UTMP \
479 (SI_POSIX && !SI_MAC && !SI_FREEBSD && !SI_NETBSD)
480 #define SANITIZER_INTERCEPT_UTMPX \
481 (SI_LINUX_NOT_ANDROID || SI_MAC || SI_FREEBSD || SI_NETBSD)
482
483 #define SANITIZER_INTERCEPT_GETLOADAVG \
484 (SI_LINUX_NOT_ANDROID || SI_MAC || SI_FREEBSD || SI_NETBSD)
485
486 #define SANITIZER_INTERCEPT_MMAP SI_POSIX
487 #define SANITIZER_INTERCEPT_MMAP64 SI_LINUX_NOT_ANDROID || SI_SOLARIS
488 #define SANITIZER_INTERCEPT_MALLOPT_AND_MALLINFO (SI_GLIBC || SI_ANDROID)
489 #define SANITIZER_INTERCEPT_MEMALIGN (!SI_FREEBSD && !SI_MAC && !SI_NETBSD)
490 #define SANITIZER_INTERCEPT___LIBC_MEMALIGN SI_GLIBC
491 #define SANITIZER_INTERCEPT_PVALLOC (SI_GLIBC || SI_ANDROID)
492 #define SANITIZER_INTERCEPT_CFREE (SI_GLIBC && !SANITIZER_RISCV64)
493 #define SANITIZER_INTERCEPT_REALLOCARRAY SI_POSIX
494 #define SANITIZER_INTERCEPT_ALIGNED_ALLOC (!SI_MAC)
495 #define SANITIZER_INTERCEPT_MALLOC_USABLE_SIZE (!SI_MAC && !SI_NETBSD)
496 #define SANITIZER_INTERCEPT_MCHECK_MPROBE SI_LINUX_NOT_ANDROID
497 #define SANITIZER_INTERCEPT_WCSCAT SI_POSIX
498 #define SANITIZER_INTERCEPT_WCSDUP SI_POSIX
499 #define SANITIZER_INTERCEPT_SIGNAL_AND_SIGACTION (!SI_WINDOWS && SI_NOT_FUCHSIA)
500 #define SANITIZER_INTERCEPT_BSD_SIGNAL SI_ANDROID
501
502 #define SANITIZER_INTERCEPT_ACCT (SI_NETBSD || SI_FREEBSD)
503 #define SANITIZER_INTERCEPT_USER_FROM_UID SI_NETBSD
504 #define SANITIZER_INTERCEPT_UID_FROM_USER SI_NETBSD
505 #define SANITIZER_INTERCEPT_GROUP_FROM_GID SI_NETBSD
506 #define SANITIZER_INTERCEPT_GID_FROM_GROUP SI_NETBSD
507 #define SANITIZER_INTERCEPT_ACCESS (SI_NETBSD || SI_FREEBSD)
508 #define SANITIZER_INTERCEPT_FACCESSAT (SI_NETBSD || SI_FREEBSD)
509 #define SANITIZER_INTERCEPT_GETGROUPLIST \
510 (SI_NETBSD || SI_FREEBSD || SI_LINUX)
511 #define SANITIZER_INTERCEPT_STRLCPY \
512 (SI_NETBSD || SI_FREEBSD || SI_MAC || SI_ANDROID)
513
514 #define SANITIZER_INTERCEPT_NAME_TO_HANDLE_AT SI_LINUX_NOT_ANDROID
515 #define SANITIZER_INTERCEPT_OPEN_BY_HANDLE_AT SI_LINUX_NOT_ANDROID
516
517 #define SANITIZER_INTERCEPT_READLINK SI_POSIX
518 #if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \
519 __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 101000
520 #define SI_MAC_DEPLOYMENT_BELOW_10_10 1
521 #else
522 #define SI_MAC_DEPLOYMENT_BELOW_10_10 0
523 #endif
524 #define SANITIZER_INTERCEPT_READLINKAT \
525 (SI_POSIX && !SI_MAC_DEPLOYMENT_BELOW_10_10)
526
527 #define SANITIZER_INTERCEPT_DEVNAME (SI_NETBSD || SI_FREEBSD)
528 #define SANITIZER_INTERCEPT_DEVNAME_R (SI_NETBSD || SI_FREEBSD)
529 #define SANITIZER_INTERCEPT_FGETLN (SI_NETBSD || SI_FREEBSD)
530 #define SANITIZER_INTERCEPT_STRMODE (SI_NETBSD || SI_FREEBSD)
531 #define SANITIZER_INTERCEPT_TTYENT (SI_NETBSD || SI_FREEBSD)
532 #define SANITIZER_INTERCEPT_TTYENTPATH SI_NETBSD
533 #define SANITIZER_INTERCEPT_PROTOENT (SI_LINUX || SI_NETBSD || SI_FREEBSD)
534 #define SANITIZER_INTERCEPT_PROTOENT_R SI_GLIBC
535 #define SANITIZER_INTERCEPT_NETENT (SI_LINUX || SI_NETBSD || SI_FREEBSD)
536 #define SANITIZER_INTERCEPT_SETVBUF \
537 (SI_NETBSD || SI_FREEBSD || SI_LINUX || SI_MAC)
538 #define SANITIZER_INTERCEPT_GETMNTINFO (SI_NETBSD || SI_FREEBSD || SI_MAC)
539 #define SANITIZER_INTERCEPT_MI_VECTOR_HASH SI_NETBSD
540 #define SANITIZER_INTERCEPT_GETVFSSTAT SI_NETBSD
541 #define SANITIZER_INTERCEPT_REGEX (SI_NETBSD || SI_FREEBSD || SI_LINUX)
542 #define SANITIZER_INTERCEPT_REGEXSUB SI_NETBSD
543 #define SANITIZER_INTERCEPT_FTS (SI_NETBSD || SI_FREEBSD)
544 #define SANITIZER_INTERCEPT_SYSCTL (SI_NETBSD || SI_FREEBSD || SI_MAC)
545 #define SANITIZER_INTERCEPT_ASYSCTL SI_NETBSD
546 #define SANITIZER_INTERCEPT_SYSCTLGETMIBINFO SI_NETBSD
547 #define SANITIZER_INTERCEPT_NL_LANGINFO (SI_NETBSD || SI_FREEBSD || SI_MAC)
548 #define SANITIZER_INTERCEPT_MODCTL SI_NETBSD
549 #define SANITIZER_INTERCEPT_CAPSICUM SI_FREEBSD
550 #define SANITIZER_INTERCEPT_STRTONUM (SI_NETBSD || SI_FREEBSD)
551 #define SANITIZER_INTERCEPT_FPARSELN (SI_NETBSD || SI_FREEBSD)
552 #define SANITIZER_INTERCEPT_STATVFS1 SI_NETBSD
553 #define SANITIZER_INTERCEPT_STRTOI SI_NETBSD
554 #define SANITIZER_INTERCEPT_CAPSICUM SI_FREEBSD
555 #define SANITIZER_INTERCEPT_SHA1 SI_NETBSD
556 #define SANITIZER_INTERCEPT_MD4 SI_NETBSD
557 #define SANITIZER_INTERCEPT_RMD160 SI_NETBSD
558 #define SANITIZER_INTERCEPT_MD5 (SI_NETBSD || SI_FREEBSD)
559 #define SANITIZER_INTERCEPT_FSEEK (SI_NETBSD || SI_FREEBSD)
560 #define SANITIZER_INTERCEPT_MD2 SI_NETBSD
561 #define SANITIZER_INTERCEPT_SHA2 (SI_NETBSD || SI_FREEBSD)
562 #define SANITIZER_INTERCEPT_CDB SI_NETBSD
563 #define SANITIZER_INTERCEPT_VIS (SI_NETBSD || SI_FREEBSD)
564 #define SANITIZER_INTERCEPT_POPEN SI_POSIX
565 #define SANITIZER_INTERCEPT_POPENVE SI_NETBSD
566 #define SANITIZER_INTERCEPT_PCLOSE SI_POSIX
567 #define SANITIZER_INTERCEPT_FUNOPEN (SI_NETBSD || SI_FREEBSD)
568 #define SANITIZER_INTERCEPT_FUNOPEN2 SI_NETBSD
569 #define SANITIZER_INTERCEPT_GETFSENT (SI_FREEBSD || SI_NETBSD || SI_MAC)
570 #define SANITIZER_INTERCEPT_ARC4RANDOM (SI_FREEBSD || SI_NETBSD || SI_MAC)
571 #define SANITIZER_INTERCEPT_FDEVNAME SI_FREEBSD
572 #define SANITIZER_INTERCEPT_GETUSERSHELL (SI_POSIX && !SI_ANDROID)
573 #define SANITIZER_INTERCEPT_SL_INIT (SI_FREEBSD || SI_NETBSD)
574 #define SANITIZER_INTERCEPT_CRYPT (SI_POSIX && !SI_ANDROID)
575 #define SANITIZER_INTERCEPT_CRYPT_R (SI_LINUX && !SI_ANDROID)
576
577 #define SANITIZER_INTERCEPT_GETRANDOM \
578 ((SI_LINUX && __GLIBC_PREREQ(2, 25)) || SI_FREEBSD)
579 #define SANITIZER_INTERCEPT___CXA_ATEXIT SI_NETBSD
580 #define SANITIZER_INTERCEPT_ATEXIT SI_NETBSD
581 #define SANITIZER_INTERCEPT_PTHREAD_ATFORK SI_NETBSD
582 #define SANITIZER_INTERCEPT_GETENTROPY SI_FREEBSD
583 #define SANITIZER_INTERCEPT_QSORT \
584 (SI_POSIX && !SI_IOSSIM && !SI_WATCHOS && !SI_TVOS && !SI_ANDROID)
585 #define SANITIZER_INTERCEPT_QSORT_R SI_GLIBC
586 #define SANITIZER_INTERCEPT_BSEARCH \
587 (SI_POSIX && !SI_IOSSIM && !SI_WATCHOS && !SI_TVOS && !SI_ANDROID)
588 // sigaltstack on i386 macOS cannot be intercepted due to setjmp()
589 // calling it and assuming that it does not clobber registers.
590 #define SANITIZER_INTERCEPT_SIGALTSTACK \
591 (SI_POSIX && !(SANITIZER_APPLE && SANITIZER_I386))
592 #define SANITIZER_INTERCEPT_UNAME (SI_POSIX && !SI_FREEBSD)
593 #define SANITIZER_INTERCEPT___XUNAME SI_FREEBSD
594 #define SANITIZER_INTERCEPT_FLOPEN SI_FREEBSD
595 #define SANITIZER_INTERCEPT_PROCCTL SI_FREEBSD
596
597 // This macro gives a way for downstream users to override the above
598 // interceptor macros irrespective of the platform they are on. They have
599 // to do two things:
600 // 1. Build compiler-rt with -DSANITIZER_OVERRIDE_INTERCEPTORS.
601 // 2. Provide a header file named sanitizer_intercept_overriders.h in the
602 // include path for their compiler-rt build.
603 // An example of an overrider for strlen interceptor that one can list in
604 // sanitizer_intercept_overriders.h is as follows:
605 //
606 // #ifdef SANITIZER_INTERCEPT_STRLEN
607 // #undef SANITIZER_INTERCEPT_STRLEN
608 // #define SANITIZER_INTERCEPT_STRLEN <value of choice>
609 // #endif
610 //
611 // This "feature" is useful for downstream users who do not want some of
612 // their libc funtions to be intercepted. They can selectively disable
613 // interception of those functions.
614 #ifdef SANITIZER_OVERRIDE_INTERCEPTORS
615 #include <sanitizer_intercept_overriders.h>
616 #endif
617
618 #endif // #ifndef SANITIZER_PLATFORM_INTERCEPTORS_H