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 
19 #if SANITIZER_POSIX
20 # define SI_POSIX 1
21 #else
22 # define SI_POSIX 0
23 #endif
24 
25 #if !SANITIZER_WINDOWS
26 # define SI_WINDOWS 0
27 #else
28 # define SI_WINDOWS 1
29 #endif
30 
31 #if SI_WINDOWS && SI_POSIX
32 # error "Windows is not POSIX!"
33 #endif
34 
35 #if SI_POSIX
36 # include "sanitizer_platform_limits_freebsd.h"
37 # include "sanitizer_platform_limits_netbsd.h"
38 # include "sanitizer_platform_limits_openbsd.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_ANDROID
50 # define SI_ANDROID 1
51 #else
52 # define SI_ANDROID 0
53 #endif
54 
55 #if SANITIZER_FREEBSD
56 # define SI_FREEBSD 1
57 #else
58 # define SI_FREEBSD 0
59 #endif
60 
61 #if SANITIZER_NETBSD
62 # define SI_NETBSD 1
63 #else
64 # define SI_NETBSD 0
65 #endif
66 
67 #if SANITIZER_OPENBSD
68 #define SI_OPENBSD 1
69 #else
70 #define SI_OPENBSD 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_MAC
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_RTEMS
118 # define SI_NOT_RTEMS 0
119 #else
120 # define SI_NOT_RTEMS 1
121 #endif
122 
123 #if SANITIZER_SOLARIS
124 # define SI_SOLARIS 1
125 #else
126 # define SI_SOLARIS 0
127 #endif
128 
129 #if SANITIZER_SOLARIS32
130 # define SI_SOLARIS32 1
131 #else
132 # define SI_SOLARIS32 0
133 #endif
134 
135 #if SANITIZER_POSIX && !SANITIZER_MAC
136 # define SI_POSIX_NOT_MAC 1
137 #else
138 # define SI_POSIX_NOT_MAC 0
139 #endif
140 
141 #if SANITIZER_LINUX && !SANITIZER_FREEBSD
142 # define SI_LINUX_NOT_FREEBSD 1
143 # else
144 # define SI_LINUX_NOT_FREEBSD 0
145 #endif
146 
147 #define SANITIZER_INTERCEPT_STRLEN SI_NOT_FUCHSIA
148 #define SANITIZER_INTERCEPT_STRNLEN (SI_NOT_MAC && SI_NOT_FUCHSIA)
149 #define SANITIZER_INTERCEPT_STRCMP SI_NOT_FUCHSIA
150 #define SANITIZER_INTERCEPT_STRSTR SI_NOT_FUCHSIA
151 #define SANITIZER_INTERCEPT_STRCASESTR SI_POSIX
152 #define SANITIZER_INTERCEPT_STRTOK SI_NOT_FUCHSIA
153 #define SANITIZER_INTERCEPT_STRCHR SI_NOT_FUCHSIA
154 #define SANITIZER_INTERCEPT_STRCHRNUL SI_POSIX_NOT_MAC
155 #define SANITIZER_INTERCEPT_STRRCHR SI_NOT_FUCHSIA
156 #define SANITIZER_INTERCEPT_STRSPN SI_NOT_FUCHSIA
157 #define SANITIZER_INTERCEPT_STRPBRK SI_NOT_FUCHSIA
158 #define SANITIZER_INTERCEPT_TEXTDOMAIN SI_LINUX_NOT_ANDROID || SI_SOLARIS
159 #define SANITIZER_INTERCEPT_STRCASECMP SI_POSIX
160 #define SANITIZER_INTERCEPT_MEMSET 1
161 #define SANITIZER_INTERCEPT_MEMMOVE 1
162 #define SANITIZER_INTERCEPT_MEMCPY 1
163 #define SANITIZER_INTERCEPT_MEMCMP SI_NOT_FUCHSIA
164 #define SANITIZER_INTERCEPT_BCMP \
165   SANITIZER_INTERCEPT_MEMCMP &&  \
166       ((SI_POSIX && _GNU_SOURCE) || SI_NETBSD || SI_OPENBSD || SI_FREEBSD)
167 #define SANITIZER_INTERCEPT_STRNDUP SI_POSIX
168 #define SANITIZER_INTERCEPT___STRNDUP SI_LINUX_NOT_FREEBSD
169 #if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \
170     __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1070
171 # define SI_MAC_DEPLOYMENT_BELOW_10_7 1
172 #else
173 # define SI_MAC_DEPLOYMENT_BELOW_10_7 0
174 #endif
175 // memmem on Darwin doesn't exist on 10.6
176 // FIXME: enable memmem on Windows.
177 #define SANITIZER_INTERCEPT_MEMMEM (SI_POSIX && !SI_MAC_DEPLOYMENT_BELOW_10_7)
178 #define SANITIZER_INTERCEPT_MEMCHR SI_NOT_FUCHSIA
179 #define SANITIZER_INTERCEPT_MEMRCHR \
180   (SI_FREEBSD || SI_LINUX || SI_NETBSD || SI_OPENBSD)
181 
182 #define SANITIZER_INTERCEPT_READ SI_POSIX
183 #define SANITIZER_INTERCEPT_PREAD SI_POSIX
184 #define SANITIZER_INTERCEPT_WRITE SI_POSIX
185 #define SANITIZER_INTERCEPT_PWRITE SI_POSIX
186 
187 #define SANITIZER_INTERCEPT_FREAD SI_POSIX
188 #define SANITIZER_INTERCEPT_FWRITE SI_POSIX
189 #define SANITIZER_INTERCEPT_FGETS SI_POSIX
190 #define SANITIZER_INTERCEPT_FPUTS SI_POSIX
191 #define SANITIZER_INTERCEPT_PUTS SI_POSIX
192 
193 #define SANITIZER_INTERCEPT_PREAD64 SI_LINUX_NOT_ANDROID || SI_SOLARIS32
194 #define SANITIZER_INTERCEPT_PWRITE64 SI_LINUX_NOT_ANDROID || SI_SOLARIS32
195 
196 #define SANITIZER_INTERCEPT_READV SI_POSIX
197 #define SANITIZER_INTERCEPT_WRITEV SI_POSIX
198 
199 #define SANITIZER_INTERCEPT_PREADV \
200   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_LINUX_NOT_ANDROID)
201 #define SANITIZER_INTERCEPT_PWRITEV SI_LINUX_NOT_ANDROID
202 #define SANITIZER_INTERCEPT_PREADV64 SI_LINUX_NOT_ANDROID
203 #define SANITIZER_INTERCEPT_PWRITEV64 SI_LINUX_NOT_ANDROID
204 
205 #define SANITIZER_INTERCEPT_PRCTL   SI_LINUX
206 
207 #define SANITIZER_INTERCEPT_LOCALTIME_AND_FRIENDS SI_POSIX
208 #define SANITIZER_INTERCEPT_STRPTIME SI_POSIX
209 
210 #define SANITIZER_INTERCEPT_SCANF SI_POSIX
211 #define SANITIZER_INTERCEPT_ISOC99_SCANF SI_LINUX_NOT_ANDROID
212 
213 #ifndef SANITIZER_INTERCEPT_PRINTF
214 # define SANITIZER_INTERCEPT_PRINTF SI_POSIX
215 # define SANITIZER_INTERCEPT_PRINTF_L (SI_FREEBSD || SI_NETBSD)
216 # define SANITIZER_INTERCEPT_ISOC99_PRINTF SI_LINUX_NOT_ANDROID
217 #endif
218 
219 #define SANITIZER_INTERCEPT___PRINTF_CHK \
220   (SANITIZER_INTERCEPT_PRINTF && SI_LINUX_NOT_ANDROID)
221 
222 #define SANITIZER_INTERCEPT_FREXP SI_NOT_FUCHSIA
223 #define SANITIZER_INTERCEPT_FREXPF_FREXPL SI_POSIX
224 
225 #define SANITIZER_INTERCEPT_GETPWNAM_AND_FRIENDS SI_POSIX
226 #define SANITIZER_INTERCEPT_GETPWNAM_R_AND_FRIENDS                            \
227   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_MAC || SI_LINUX_NOT_ANDROID || \
228   SI_SOLARIS)
229 #define SANITIZER_INTERCEPT_GETPWENT                                          \
230   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_MAC || SI_LINUX_NOT_ANDROID || \
231   SI_SOLARIS)
232 #define SANITIZER_INTERCEPT_FGETGRENT_R                                       \
233   (SI_FREEBSD || SI_OPENBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
234 #define SANITIZER_INTERCEPT_FGETPWENT SI_LINUX_NOT_ANDROID || SI_SOLARIS
235 #define SANITIZER_INTERCEPT_GETPWENT_R \
236   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
237 #define SANITIZER_INTERCEPT_FGETPWENT_R \
238   (SI_FREEBSD || SI_OPENBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
239 #define SANITIZER_INTERCEPT_SETPWENT \
240   (SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
241 #define SANITIZER_INTERCEPT_CLOCK_GETTIME \
242   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_LINUX || SI_SOLARIS)
243 #define SANITIZER_INTERCEPT_CLOCK_GETCPUCLOCKID SI_LINUX
244 #define SANITIZER_INTERCEPT_GETITIMER SI_POSIX
245 #define SANITIZER_INTERCEPT_TIME SI_POSIX
246 #define SANITIZER_INTERCEPT_GLOB SI_LINUX_NOT_ANDROID || SI_SOLARIS
247 #define SANITIZER_INTERCEPT_GLOB64 SI_LINUX_NOT_ANDROID
248 #define SANITIZER_INTERCEPT_WAIT SI_POSIX
249 #define SANITIZER_INTERCEPT_INET SI_POSIX
250 #define SANITIZER_INTERCEPT_PTHREAD_GETSCHEDPARAM (SI_POSIX && !SI_OPENBSD)
251 #define SANITIZER_INTERCEPT_GETADDRINFO SI_POSIX
252 #define SANITIZER_INTERCEPT_GETNAMEINFO SI_POSIX
253 #define SANITIZER_INTERCEPT_GETSOCKNAME SI_POSIX
254 #define SANITIZER_INTERCEPT_GETHOSTBYNAME SI_POSIX
255 #define SANITIZER_INTERCEPT_GETHOSTBYNAME2 SI_POSIX && !SI_SOLARIS
256 #define SANITIZER_INTERCEPT_GETHOSTBYNAME_R \
257   (SI_FREEBSD || SI_LINUX || SI_SOLARIS)
258 #define SANITIZER_INTERCEPT_GETHOSTBYNAME2_R \
259   (SI_FREEBSD || SI_LINUX_NOT_ANDROID)
260 #define SANITIZER_INTERCEPT_GETHOSTBYADDR_R \
261   (SI_FREEBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
262 #define SANITIZER_INTERCEPT_GETHOSTENT_R \
263   (SI_FREEBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
264 #define SANITIZER_INTERCEPT_GETSOCKOPT SI_POSIX
265 #define SANITIZER_INTERCEPT_ACCEPT SI_POSIX
266 #define SANITIZER_INTERCEPT_ACCEPT4 \
267   (SI_LINUX_NOT_ANDROID || SI_NETBSD || SI_OPENBSD)
268 #define SANITIZER_INTERCEPT_PACCEPT SI_NETBSD
269 #define SANITIZER_INTERCEPT_MODF SI_POSIX
270 #define SANITIZER_INTERCEPT_RECVMSG SI_POSIX
271 #define SANITIZER_INTERCEPT_SENDMSG SI_POSIX
272 #define SANITIZER_INTERCEPT_RECVMMSG SI_LINUX
273 #define SANITIZER_INTERCEPT_SENDMMSG SI_LINUX
274 #define SANITIZER_INTERCEPT_SYSMSG SI_LINUX_NOT_ANDROID
275 #define SANITIZER_INTERCEPT_GETPEERNAME SI_POSIX
276 #define SANITIZER_INTERCEPT_IOCTL SI_POSIX
277 #define SANITIZER_INTERCEPT_INET_ATON SI_POSIX
278 #define SANITIZER_INTERCEPT_SYSINFO SI_LINUX
279 #define SANITIZER_INTERCEPT_READDIR SI_POSIX
280 #define SANITIZER_INTERCEPT_READDIR64 SI_LINUX_NOT_ANDROID || SI_SOLARIS32
281 #if SI_LINUX_NOT_ANDROID && \
282   (defined(__i386) || defined(__x86_64) || defined(__mips64) || \
283     defined(__powerpc64__) || defined(__aarch64__) || defined(__arm__) || \
284     defined(__s390__))
285 #define SANITIZER_INTERCEPT_PTRACE 1
286 #else
287 #define SANITIZER_INTERCEPT_PTRACE 0
288 #endif
289 #define SANITIZER_INTERCEPT_SETLOCALE SI_POSIX
290 #define SANITIZER_INTERCEPT_GETCWD SI_POSIX
291 #define SANITIZER_INTERCEPT_GET_CURRENT_DIR_NAME SI_LINUX_NOT_ANDROID
292 #define SANITIZER_INTERCEPT_STRTOIMAX SI_POSIX
293 #define SANITIZER_INTERCEPT_MBSTOWCS SI_POSIX
294 #define SANITIZER_INTERCEPT_MBSNRTOWCS \
295   (SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
296 #define SANITIZER_INTERCEPT_WCSTOMBS SI_POSIX
297 #define SANITIZER_INTERCEPT_STRXFRM SI_POSIX
298 #define SANITIZER_INTERCEPT___STRXFRM_L SI_LINUX
299 #define SANITIZER_INTERCEPT_WCSXFRM SI_POSIX
300 #define SANITIZER_INTERCEPT___WCSXFRM_L SI_LINUX
301 #define SANITIZER_INTERCEPT_WCSNRTOMBS                                        \
302   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_MAC || SI_LINUX_NOT_ANDROID || \
303   SI_SOLARIS)
304 #define SANITIZER_INTERCEPT_WCRTOMB                                           \
305   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_MAC || SI_LINUX_NOT_ANDROID || \
306   SI_SOLARIS)
307 #define SANITIZER_INTERCEPT_WCTOMB                                           \
308   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_MAC || SI_LINUX_NOT_ANDROID || \
309   SI_SOLARIS)
310 #define SANITIZER_INTERCEPT_TCGETATTR SI_LINUX_NOT_ANDROID || SI_SOLARIS
311 #define SANITIZER_INTERCEPT_REALPATH SI_POSIX
312 #define SANITIZER_INTERCEPT_CANONICALIZE_FILE_NAME \
313   (SI_LINUX_NOT_ANDROID || SI_SOLARIS)
314 #define SANITIZER_INTERCEPT_CONFSTR                                           \
315   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_MAC || SI_LINUX_NOT_ANDROID || \
316   SI_SOLARIS)
317 #define SANITIZER_INTERCEPT_SCHED_GETAFFINITY SI_LINUX_NOT_ANDROID
318 #define SANITIZER_INTERCEPT_SCHED_GETPARAM SI_LINUX_NOT_ANDROID || SI_SOLARIS
319 #define SANITIZER_INTERCEPT_STRERROR SI_POSIX
320 #define SANITIZER_INTERCEPT_STRERROR_R SI_POSIX
321 #define SANITIZER_INTERCEPT_XPG_STRERROR_R SI_LINUX_NOT_ANDROID
322 #define SANITIZER_INTERCEPT_SCANDIR \
323   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
324 #define SANITIZER_INTERCEPT_SCANDIR64 SI_LINUX_NOT_ANDROID || SI_SOLARIS32
325 #define SANITIZER_INTERCEPT_GETGROUPS SI_POSIX
326 #define SANITIZER_INTERCEPT_POLL SI_POSIX
327 #define SANITIZER_INTERCEPT_PPOLL SI_LINUX_NOT_ANDROID || SI_SOLARIS
328 #define SANITIZER_INTERCEPT_WORDEXP \
329   (SI_FREEBSD || SI_NETBSD || (SI_MAC && !SI_IOS) || SI_LINUX_NOT_ANDROID || \
330     SI_SOLARIS)
331 #define SANITIZER_INTERCEPT_SIGWAIT SI_POSIX
332 #define SANITIZER_INTERCEPT_SIGWAITINFO SI_LINUX_NOT_ANDROID || SI_SOLARIS
333 #define SANITIZER_INTERCEPT_SIGTIMEDWAIT SI_LINUX_NOT_ANDROID || SI_SOLARIS
334 #define SANITIZER_INTERCEPT_SIGSETOPS \
335   (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
336 #define SANITIZER_INTERCEPT_SIGSET_LOGICOPS SI_LINUX_NOT_ANDROID
337 #define SANITIZER_INTERCEPT_SIGPENDING SI_POSIX
338 #define SANITIZER_INTERCEPT_SIGPROCMASK SI_POSIX
339 #define SANITIZER_INTERCEPT_PTHREAD_SIGMASK SI_POSIX
340 #define SANITIZER_INTERCEPT_BACKTRACE \
341   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
342 #define SANITIZER_INTERCEPT_GETMNTENT SI_LINUX
343 #define SANITIZER_INTERCEPT_GETMNTENT_R SI_LINUX_NOT_ANDROID
344 #define SANITIZER_INTERCEPT_STATFS \
345   (SI_FREEBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
346 #define SANITIZER_INTERCEPT_STATFS64 \
347   (((SI_MAC && !TARGET_CPU_ARM64) && !SI_IOS) || SI_LINUX_NOT_ANDROID)
348 #define SANITIZER_INTERCEPT_STATVFS \
349   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_LINUX_NOT_ANDROID)
350 #define SANITIZER_INTERCEPT_STATVFS64 SI_LINUX_NOT_ANDROID
351 #define SANITIZER_INTERCEPT_INITGROUPS SI_POSIX
352 #define SANITIZER_INTERCEPT_ETHER_NTOA_ATON (SI_POSIX && !SI_OPENBSD)
353 #define SANITIZER_INTERCEPT_ETHER_HOST \
354   (SI_FREEBSD || SI_MAC || SI_LINUX_NOT_ANDROID)
355 #define SANITIZER_INTERCEPT_ETHER_R (SI_FREEBSD || SI_LINUX_NOT_ANDROID)
356 #define SANITIZER_INTERCEPT_SHMCTL                                       \
357   (((SI_FREEBSD || SI_LINUX_NOT_ANDROID) && SANITIZER_WORDSIZE == 64) || \
358    SI_NETBSD || SI_OPENBSD || SI_SOLARIS)  // NOLINT
359 #define SANITIZER_INTERCEPT_RANDOM_R SI_LINUX_NOT_ANDROID
360 #define SANITIZER_INTERCEPT_PTHREAD_ATTR_GET SI_POSIX
361 #define SANITIZER_INTERCEPT_PTHREAD_ATTR_GETINHERITSCHED \
362   (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
363 #define SANITIZER_INTERCEPT_PTHREAD_ATTR_GETAFFINITY_NP SI_LINUX_NOT_ANDROID
364 #define SANITIZER_INTERCEPT_PTHREAD_ATTR_GET_SCHED (SI_POSIX && !SI_OPENBSD)
365 #define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPSHARED \
366   (SI_POSIX && !SI_NETBSD && !SI_OPENBSD)
367 #define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETTYPE (SI_POSIX && !SI_OPENBSD)
368 #define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPROTOCOL \
369   (SI_MAC || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
370 #define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPRIOCEILING \
371   (SI_MAC || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
372 #define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETROBUST \
373   (SI_LINUX_NOT_ANDROID || SI_SOLARIS)
374 #define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETROBUST_NP SI_LINUX_NOT_ANDROID
375 #define SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GETPSHARED \
376   (SI_POSIX && !SI_NETBSD && !SI_OPENBSD)
377 #define SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GETKIND_NP SI_LINUX_NOT_ANDROID
378 #define SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GETPSHARED \
379   (SI_POSIX && !SI_NETBSD && !SI_OPENBSD)
380 #define SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GETCLOCK \
381   (SI_LINUX_NOT_ANDROID || SI_SOLARIS)
382 #define SANITIZER_INTERCEPT_PTHREAD_BARRIERATTR_GETPSHARED \
383   (SI_LINUX_NOT_ANDROID && !SI_NETBSD && !SI_OPENBSD)
384 #define SANITIZER_INTERCEPT_THR_EXIT SI_FREEBSD
385 #define SANITIZER_INTERCEPT_TMPNAM SI_POSIX
386 #define SANITIZER_INTERCEPT_TMPNAM_R SI_LINUX_NOT_ANDROID || SI_SOLARIS
387 #define SANITIZER_INTERCEPT_TTYNAME SI_POSIX
388 #define SANITIZER_INTERCEPT_TTYNAME_R SI_POSIX
389 #define SANITIZER_INTERCEPT_TEMPNAM SI_POSIX
390 #define SANITIZER_INTERCEPT_SINCOS SI_LINUX || SI_SOLARIS
391 #define SANITIZER_INTERCEPT_REMQUO SI_POSIX
392 #define SANITIZER_INTERCEPT_REMQUOL (SI_POSIX && !SI_NETBSD)
393 #define SANITIZER_INTERCEPT_LGAMMA SI_POSIX
394 #define SANITIZER_INTERCEPT_LGAMMAL (SI_POSIX && !SI_NETBSD)
395 #define SANITIZER_INTERCEPT_LGAMMA_R (SI_FREEBSD || SI_LINUX || SI_SOLARIS)
396 #define SANITIZER_INTERCEPT_LGAMMAL_R SI_LINUX_NOT_ANDROID || SI_SOLARIS
397 #define SANITIZER_INTERCEPT_DRAND48_R SI_LINUX_NOT_ANDROID
398 #define SANITIZER_INTERCEPT_RAND_R                                            \
399   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_MAC || SI_LINUX_NOT_ANDROID || \
400   SI_SOLARIS)
401 #define SANITIZER_INTERCEPT_ICONV \
402   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
403 #define SANITIZER_INTERCEPT_TIMES SI_POSIX
404 
405 // FIXME: getline seems to be available on OSX 10.7
406 #define SANITIZER_INTERCEPT_GETLINE \
407   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
408 
409 #define SANITIZER_INTERCEPT__EXIT \
410   (SI_LINUX || SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_MAC || SI_SOLARIS)
411 
412 #define SANITIZER_INTERCEPT_PTHREAD_MUTEX SI_POSIX
413 #define SANITIZER_INTERCEPT___PTHREAD_MUTEX SI_LINUX_NOT_ANDROID
414 #define SANITIZER_INTERCEPT___LIBC_MUTEX SI_NETBSD
415 #define SANITIZER_INTERCEPT_PTHREAD_SETNAME_NP \
416   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
417 #define SANITIZER_INTERCEPT_PTHREAD_GETNAME_NP \
418   (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
419 
420 #define SANITIZER_INTERCEPT_TLS_GET_ADDR \
421   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
422 
423 #define SANITIZER_INTERCEPT_LISTXATTR SI_LINUX
424 #define SANITIZER_INTERCEPT_GETXATTR SI_LINUX
425 #define SANITIZER_INTERCEPT_GETRESID SI_LINUX
426 #define SANITIZER_INTERCEPT_GETIFADDRS                                        \
427   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_LINUX_NOT_ANDROID || SI_MAC || \
428   SI_SOLARIS)
429 #define SANITIZER_INTERCEPT_IF_INDEXTONAME                                    \
430   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_LINUX_NOT_ANDROID || SI_MAC || \
431   SI_SOLARIS)
432 #define SANITIZER_INTERCEPT_CAPGET SI_LINUX_NOT_ANDROID
433 #if SI_LINUX && defined(__arm__)
434 #define SANITIZER_INTERCEPT_AEABI_MEM 1
435 #else
436 #define SANITIZER_INTERCEPT_AEABI_MEM 0
437 #endif
438 #define SANITIZER_INTERCEPT___BZERO SI_MAC || SI_LINUX_NOT_ANDROID
439 #define SANITIZER_INTERCEPT_BZERO SI_LINUX_NOT_ANDROID
440 #define SANITIZER_INTERCEPT_FTIME \
441   (!SI_FREEBSD && !SI_NETBSD && !SI_OPENBSD && SI_POSIX)
442 #define SANITIZER_INTERCEPT_XDR SI_LINUX_NOT_ANDROID || SI_SOLARIS
443 #define SANITIZER_INTERCEPT_XDRREC SI_LINUX_NOT_ANDROID
444 #define SANITIZER_INTERCEPT_TSEARCH \
445   (SI_LINUX_NOT_ANDROID || SI_MAC || SI_NETBSD || SI_OPENBSD || SI_SOLARIS)
446 #define SANITIZER_INTERCEPT_LIBIO_INTERNALS SI_LINUX_NOT_ANDROID
447 #define SANITIZER_INTERCEPT_FOPEN SI_POSIX
448 #define SANITIZER_INTERCEPT_FOPEN64 SI_LINUX_NOT_ANDROID || SI_SOLARIS32
449 #define SANITIZER_INTERCEPT_OPEN_MEMSTREAM \
450   (SI_LINUX_NOT_ANDROID || SI_NETBSD || SI_OPENBSD || SI_SOLARIS)
451 #define SANITIZER_INTERCEPT_OBSTACK SI_LINUX_NOT_ANDROID
452 #define SANITIZER_INTERCEPT_FFLUSH SI_POSIX
453 #define SANITIZER_INTERCEPT_FCLOSE SI_POSIX
454 
455 #ifndef SANITIZER_INTERCEPT_DLOPEN_DLCLOSE
456 #define SANITIZER_INTERCEPT_DLOPEN_DLCLOSE                                    \
457   (SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_LINUX_NOT_ANDROID || SI_MAC || \
458   SI_SOLARIS)
459 #endif
460 
461 #define SANITIZER_INTERCEPT_GETPASS \
462   (SI_LINUX_NOT_ANDROID || SI_MAC || SI_NETBSD || SI_OPENBSD)
463 #define SANITIZER_INTERCEPT_TIMERFD SI_LINUX_NOT_ANDROID
464 
465 #define SANITIZER_INTERCEPT_MLOCKX SI_POSIX
466 #define SANITIZER_INTERCEPT_FOPENCOOKIE SI_LINUX_NOT_ANDROID
467 #define SANITIZER_INTERCEPT_SEM \
468   (SI_LINUX || SI_FREEBSD || SI_NETBSD || SI_SOLARIS)
469 #define SANITIZER_INTERCEPT_PTHREAD_SETCANCEL SI_POSIX
470 #define SANITIZER_INTERCEPT_MINCORE \
471   (SI_LINUX || SI_NETBSD || SI_OPENBSD || SI_SOLARIS)
472 #define SANITIZER_INTERCEPT_PROCESS_VM_READV SI_LINUX
473 #define SANITIZER_INTERCEPT_CTERMID \
474   (SI_LINUX || SI_MAC || SI_FREEBSD || SI_NETBSD || SI_OPENBSD || SI_SOLARIS)
475 #define SANITIZER_INTERCEPT_CTERMID_R (SI_MAC || SI_FREEBSD || SI_SOLARIS)
476 
477 #define SANITIZER_INTERCEPTOR_HOOKS \
478   (SI_LINUX || SI_MAC || SI_WINDOWS || SI_NETBSD)
479 #define SANITIZER_INTERCEPT_RECV_RECVFROM SI_POSIX
480 #define SANITIZER_INTERCEPT_SEND_SENDTO SI_POSIX
481 #define SANITIZER_INTERCEPT_EVENTFD_READ_WRITE SI_LINUX
482 
483 #define SANITIZER_INTERCEPT_STAT \
484   (SI_FREEBSD || SI_MAC || SI_ANDROID || SI_NETBSD || SI_OPENBSD || SI_SOLARIS)
485 #define SANITIZER_INTERCEPT_LSTAT (SI_NETBSD || SI_FREEBSD)
486 #define SANITIZER_INTERCEPT___XSTAT (!SANITIZER_INTERCEPT_STAT && SI_POSIX)
487 #define SANITIZER_INTERCEPT___XSTAT64 SI_LINUX_NOT_ANDROID
488 #define SANITIZER_INTERCEPT___LXSTAT SANITIZER_INTERCEPT___XSTAT
489 #define SANITIZER_INTERCEPT___LXSTAT64 SI_LINUX_NOT_ANDROID
490 
491 #define SANITIZER_INTERCEPT_UTMP \
492   (SI_POSIX && !SI_MAC && !SI_FREEBSD && !SI_NETBSD)
493 #define SANITIZER_INTERCEPT_UTMPX \
494   (SI_LINUX_NOT_ANDROID || SI_MAC || SI_FREEBSD || SI_NETBSD)
495 
496 #define SANITIZER_INTERCEPT_GETLOADAVG \
497   (SI_LINUX_NOT_ANDROID || SI_MAC || SI_FREEBSD || SI_NETBSD || SI_OPENBSD)
498 
499 #define SANITIZER_INTERCEPT_MMAP SI_POSIX
500 #define SANITIZER_INTERCEPT_MMAP64 SI_LINUX_NOT_ANDROID
501 #define SANITIZER_INTERCEPT_MALLOPT_AND_MALLINFO \
502   (!SI_FREEBSD && !SI_MAC && !SI_NETBSD && !SI_OPENBSD && SI_NOT_FUCHSIA && \
503   SI_NOT_RTEMS)
504 #define SANITIZER_INTERCEPT_MEMALIGN \
505   (!SI_FREEBSD && !SI_MAC && !SI_NETBSD && !SI_OPENBSD && SI_NOT_RTEMS)
506 #define SANITIZER_INTERCEPT_PVALLOC \
507   (!SI_FREEBSD && !SI_MAC && !SI_NETBSD && !SI_OPENBSD && SI_NOT_FUCHSIA && \
508   SI_NOT_RTEMS)
509 #define SANITIZER_INTERCEPT_CFREE \
510   (!SI_FREEBSD && !SI_MAC && !SI_NETBSD && !SI_OPENBSD && SI_NOT_FUCHSIA && \
511   SI_NOT_RTEMS)
512 #define SANITIZER_INTERCEPT_REALLOCARRAY SI_POSIX
513 #define SANITIZER_INTERCEPT_ALIGNED_ALLOC (!SI_MAC && SI_NOT_RTEMS)
514 #define SANITIZER_INTERCEPT_MALLOC_USABLE_SIZE \
515   (!SI_MAC && !SI_OPENBSD && !SI_NETBSD)
516 #define SANITIZER_INTERCEPT_MCHECK_MPROBE SI_LINUX_NOT_ANDROID
517 #define SANITIZER_INTERCEPT_WCSCAT SI_POSIX
518 #define SANITIZER_INTERCEPT_WCSDUP SI_POSIX
519 #define SANITIZER_INTERCEPT_SIGNAL_AND_SIGACTION (!SI_WINDOWS && SI_NOT_FUCHSIA)
520 #define SANITIZER_INTERCEPT_BSD_SIGNAL SI_ANDROID
521 
522 #define SANITIZER_INTERCEPT_ACCT (SI_NETBSD || SI_OPENBSD || SI_FREEBSD)
523 #define SANITIZER_INTERCEPT_USER_FROM_UID SI_NETBSD
524 #define SANITIZER_INTERCEPT_UID_FROM_USER SI_NETBSD
525 #define SANITIZER_INTERCEPT_GROUP_FROM_GID SI_NETBSD
526 #define SANITIZER_INTERCEPT_GID_FROM_GROUP SI_NETBSD
527 #define SANITIZER_INTERCEPT_ACCESS (SI_NETBSD || SI_OPENBSD || SI_FREEBSD)
528 #define SANITIZER_INTERCEPT_FACCESSAT (SI_NETBSD || SI_OPENBSD || SI_FREEBSD)
529 #define SANITIZER_INTERCEPT_GETGROUPLIST (SI_NETBSD || SI_OPENBSD)
530 #define SANITIZER_INTERCEPT_STRLCPY                                            \
531   (SI_NETBSD || SI_FREEBSD || SI_OPENBSD || SI_MAC || SI_ANDROID)
532 
533 #define SANITIZER_INTERCEPT_NAME_TO_HANDLE_AT SI_LINUX_NOT_ANDROID
534 #define SANITIZER_INTERCEPT_OPEN_BY_HANDLE_AT SI_LINUX_NOT_ANDROID
535 
536 #define SANITIZER_INTERCEPT_READLINK SI_POSIX
537 #if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \
538     __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 101000
539 # define SI_MAC_DEPLOYMENT_BELOW_10_10 1
540 #else
541 # define SI_MAC_DEPLOYMENT_BELOW_10_10 0
542 #endif
543 #define SANITIZER_INTERCEPT_READLINKAT \
544   (SI_POSIX && !SI_MAC_DEPLOYMENT_BELOW_10_10)
545 
546 #define SANITIZER_INTERCEPT_DEVNAME (SI_NETBSD || SI_OPENBSD || SI_FREEBSD)
547 #define SANITIZER_INTERCEPT_DEVNAME_R (SI_NETBSD || SI_FREEBSD)
548 #define SANITIZER_INTERCEPT_FGETLN (SI_NETBSD || SI_FREEBSD)
549 #define SANITIZER_INTERCEPT_STRMODE (SI_NETBSD || SI_FREEBSD)
550 #define SANITIZER_INTERCEPT_TTYENT SI_NETBSD
551 #define SANITIZER_INTERCEPT_PROTOENT (SI_NETBSD || SI_LINUX)
552 #define SANITIZER_INTERCEPT_PROTOENT_R (SI_LINUX_NOT_ANDROID)
553 #define SANITIZER_INTERCEPT_NETENT SI_NETBSD
554 #define SANITIZER_INTERCEPT_SETVBUF (SI_NETBSD || SI_FREEBSD || \
555   SI_LINUX || SI_MAC)
556 #define SANITIZER_INTERCEPT_GETMNTINFO (SI_NETBSD || SI_FREEBSD || SI_MAC)
557 #define SANITIZER_INTERCEPT_MI_VECTOR_HASH SI_NETBSD
558 #define SANITIZER_INTERCEPT_GETVFSSTAT SI_NETBSD
559 #define SANITIZER_INTERCEPT_REGEX (SI_NETBSD || SI_FREEBSD || SI_LINUX)
560 #define SANITIZER_INTERCEPT_REGEXSUB SI_NETBSD
561 #define SANITIZER_INTERCEPT_FTS (SI_NETBSD || SI_FREEBSD)
562 #define SANITIZER_INTERCEPT_SYSCTL (SI_NETBSD || SI_FREEBSD || SI_MAC)
563 #define SANITIZER_INTERCEPT_ASYSCTL SI_NETBSD
564 #define SANITIZER_INTERCEPT_SYSCTLGETMIBINFO SI_NETBSD
565 #define SANITIZER_INTERCEPT_NL_LANGINFO (SI_NETBSD || SI_FREEBSD || SI_MAC)
566 #define SANITIZER_INTERCEPT_MODCTL SI_NETBSD
567 #define SANITIZER_INTERCEPT_CAPSICUM SI_FREEBSD
568 #define SANITIZER_INTERCEPT_STRTONUM (SI_NETBSD || SI_FREEBSD)
569 #define SANITIZER_INTERCEPT_FPARSELN SI_NETBSD
570 #define SANITIZER_INTERCEPT_STATVFS1 SI_NETBSD
571 #define SANITIZER_INTERCEPT_STRTOI SI_NETBSD
572 #define SANITIZER_INTERCEPT_CAPSICUM SI_FREEBSD
573 #define SANITIZER_INTERCEPT_SHA1 SI_NETBSD
574 #define SANITIZER_INTERCEPT_MD4 SI_NETBSD
575 #define SANITIZER_INTERCEPT_RMD160 SI_NETBSD
576 #define SANITIZER_INTERCEPT_MD5 SI_NETBSD
577 #define SANITIZER_INTERCEPT_FSEEK (SI_NETBSD || SI_FREEBSD)
578 #define SANITIZER_INTERCEPT_MD2 SI_NETBSD
579 #define SANITIZER_INTERCEPT_SHA2 SI_NETBSD
580 #define SANITIZER_INTERCEPT_CDB SI_NETBSD
581 #define SANITIZER_INTERCEPT_VIS (SI_NETBSD || SI_FREEBSD)
582 #define SANITIZER_INTERCEPT_POPEN SI_POSIX
583 #define SANITIZER_INTERCEPT_POPENVE SI_NETBSD
584 #define SANITIZER_INTERCEPT_PCLOSE SI_POSIX
585 #define SANITIZER_INTERCEPT_FUNOPEN (SI_NETBSD || SI_FREEBSD)
586 #define SANITIZER_INTERCEPT_FUNOPEN2 SI_NETBSD
587 #define SANITIZER_INTERCEPT_GETFSENT (SI_FREEBSD || SI_NETBSD || SI_MAC)
588 #define SANITIZER_INTERCEPT_ARC4RANDOM (SI_FREEBSD || SI_NETBSD || SI_MAC)
589 #define SANITIZER_INTERCEPT_FDEVNAME SI_FREEBSD
590 #define SANITIZER_INTERCEPT_GETUSERSHELL (SI_POSIX && !SI_ANDROID)
591 #define SANITIZER_INTERCEPT_SL_INIT (SI_FREEBSD || SI_NETBSD)
592 #define SANITIZER_INTERCEPT_CRYPT (SI_POSIX && !SI_ANDROID)
593 #define SANITIZER_INTERCEPT_CRYPT_R (SI_LINUX && !SI_ANDROID)
594 
595 #define SANITIZER_INTERCEPT_GETRANDOM \
596   ((SI_LINUX && __GLIBC_PREREQ(2, 25)) || SI_FREEBSD)
597 #define SANITIZER_INTERCEPT___CXA_ATEXIT SI_NETBSD
598 #define SANITIZER_INTERCEPT_ATEXIT SI_NETBSD
599 #define SANITIZER_INTERCEPT_PTHREAD_ATFORK SI_NETBSD
600 #define SANITIZER_INTERCEPT_GETENTROPY SI_FREEBSD
601 #define SANITIZER_INTERCEPT_QSORT \
602   (SI_POSIX && !SI_IOSSIM && !SI_WATCHOS && !SI_TVOS && !SI_ANDROID)
603 #define SANITIZER_INTERCEPT_QSORT_R (SI_LINUX && !SI_ANDROID)
604 // sigaltstack on i386 macOS cannot be intercepted due to setjmp()
605 // calling it and assuming that it does not clobber registers.
606 #define SANITIZER_INTERCEPT_SIGALTSTACK \
607   (SI_POSIX && !(SANITIZER_MAC && SANITIZER_I386))
608 #define SANITIZER_INTERCEPT_UNAME (SI_POSIX && !SI_FREEBSD)
609 #define SANITIZER_INTERCEPT___XUNAME SI_FREEBSD
610 
611 #endif  // #ifndef SANITIZER_PLATFORM_INTERCEPTORS_H
612