1 //===-- sanitizer_platform_limits_freebsd.cc ------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file is a part of Sanitizer common code.
11 //
12 // Sizes and layouts of platform-specific FreeBSD data structures.
13 //===----------------------------------------------------------------------===//
14 
15 #include "sanitizer_platform.h"
16 
17 #if SANITIZER_FREEBSD
18 
19 #include <arpa/inet.h>
20 #include <dirent.h>
21 #include <fts.h>
22 #include <fstab.h>
23 #include <grp.h>
24 #include <limits.h>
25 #include <net/if.h>
26 #include <netdb.h>
27 #include <poll.h>
28 #include <pthread.h>
29 #include <pwd.h>
30 #include <regex.h>
31 #include <signal.h>
32 #include <stddef.h>
33 #include <sys/mman.h>
34 #include <sys/capsicum.h>
35 #include <sys/resource.h>
36 #include <sys/stat.h>
37 #include <sys/time.h>
38 #include <sys/times.h>
39 #include <sys/types.h>
40 #include <sys/utsname.h>
41 #include <termios.h>
42 #include <time.h>
43 
44 #include <net/route.h>
45 #include <sys/mount.h>
46 #include <sys/sockio.h>
47 #include <sys/socket.h>
48 #include <sys/filio.h>
49 #include <sys/signal.h>
50 #include <sys/timespec.h>
51 #include <sys/timeb.h>
52 #include <sys/mqueue.h>
53 #include <sys/msg.h>
54 #include <sys/ipc.h>
55 #include <sys/msg.h>
56 #include <sys/statvfs.h>
57 #include <sys/soundcard.h>
58 #include <sys/mtio.h>
59 #include <sys/consio.h>
60 #include <sys/kbio.h>
61 #include <sys/link_elf.h>
62 #include <netinet/ip_mroute.h>
63 #include <netinet/in.h>
64 #include <net/ethernet.h>
65 #include <net/ppp_defs.h>
66 #include <glob.h>
67 #include <stdio.h>
68 #include <term.h>
69 #include <utmpx.h>
70 #include <wchar.h>
71 #include <vis.h>
72 
73 #define _KERNEL  // to declare 'shminfo' structure
74 # include <sys/shm.h>
75 #undef _KERNEL
76 
77 #undef INLINE  // to avoid clashes with sanitizers' definitions
78 
79 #undef IOC_DIRMASK
80 
81 # include <utime.h>
82 # include <sys/ptrace.h>
83 # include <semaphore.h>
84 
85 #include <ifaddrs.h>
86 #include <sys/ucontext.h>
87 #include <wordexp.h>
88 
89 // Include these after system headers to avoid name clashes and ambiguities.
90 #include "sanitizer_internal_defs.h"
91 #include "sanitizer_platform_limits_freebsd.h"
92 
93 namespace __sanitizer {
94   unsigned struct_cap_rights_sz = sizeof(cap_rights_t);
95   unsigned struct_utsname_sz = sizeof(struct utsname);
96   unsigned struct_stat_sz = sizeof(struct stat);
97   unsigned struct_rusage_sz = sizeof(struct rusage);
98   unsigned struct_tm_sz = sizeof(struct tm);
99   unsigned struct_passwd_sz = sizeof(struct passwd);
100   unsigned struct_group_sz = sizeof(struct group);
101   unsigned siginfo_t_sz = sizeof(siginfo_t);
102   unsigned struct_sigaction_sz = sizeof(struct sigaction);
103   unsigned struct_itimerval_sz = sizeof(struct itimerval);
104   unsigned pthread_t_sz = sizeof(pthread_t);
105   unsigned pthread_mutex_t_sz = sizeof(pthread_mutex_t);
106   unsigned pthread_cond_t_sz = sizeof(pthread_cond_t);
107   unsigned pid_t_sz = sizeof(pid_t);
108   unsigned timeval_sz = sizeof(timeval);
109   unsigned uid_t_sz = sizeof(uid_t);
110   unsigned gid_t_sz = sizeof(gid_t);
111   unsigned fpos_t_sz = sizeof(fpos_t);
112   unsigned mbstate_t_sz = sizeof(mbstate_t);
113   unsigned sigset_t_sz = sizeof(sigset_t);
114   unsigned struct_timezone_sz = sizeof(struct timezone);
115   unsigned struct_tms_sz = sizeof(struct tms);
116   unsigned struct_sigevent_sz = sizeof(struct sigevent);
117   unsigned struct_sched_param_sz = sizeof(struct sched_param);
118   unsigned struct_statfs_sz = sizeof(struct statfs);
119   unsigned struct_sockaddr_sz = sizeof(struct sockaddr);
120   unsigned ucontext_t_sz = sizeof(ucontext_t);
121   unsigned struct_rlimit_sz = sizeof(struct rlimit);
122   unsigned struct_timespec_sz = sizeof(struct timespec);
123   unsigned struct_utimbuf_sz = sizeof(struct utimbuf);
124   unsigned struct_itimerspec_sz = sizeof(struct itimerspec);
125   unsigned struct_timeb_sz = sizeof(struct timeb);
126   unsigned struct_msqid_ds_sz = sizeof(struct msqid_ds);
127   unsigned struct_mq_attr_sz = sizeof(struct mq_attr);
128   unsigned struct_statvfs_sz = sizeof(struct statvfs);
129   unsigned struct_shminfo_sz = sizeof(struct shminfo);
130   unsigned struct_shm_info_sz = sizeof(struct shm_info);
131   unsigned struct_regmatch_sz = sizeof(regmatch_t);
132   unsigned struct_regex_sz = sizeof(regex_t);
133   unsigned struct_fstab_sz = sizeof(struct fstab);
134   unsigned struct_FTS_sz = sizeof(FTS);
135   unsigned struct_FTSENT_sz = sizeof(FTSENT);
136 
137   const uptr sig_ign = (uptr)SIG_IGN;
138   const uptr sig_dfl = (uptr)SIG_DFL;
139   const uptr sig_err = (uptr)SIG_ERR;
140   const uptr sa_siginfo = (uptr)SA_SIGINFO;
141 
142   int shmctl_ipc_stat = (int)IPC_STAT;
143   int shmctl_ipc_info = (int)IPC_INFO;
144   int shmctl_shm_info = (int)SHM_INFO;
145   int shmctl_shm_stat = (int)SHM_STAT;
146   unsigned struct_utmpx_sz = sizeof(struct utmpx);
147 
148   int map_fixed = MAP_FIXED;
149 
150   int af_inet = (int)AF_INET;
151   int af_inet6 = (int)AF_INET6;
152 
__sanitizer_in_addr_sz(int af)153   uptr __sanitizer_in_addr_sz(int af) {
154     if (af == AF_INET)
155       return sizeof(struct in_addr);
156     else if (af == AF_INET6)
157       return sizeof(struct in6_addr);
158     else
159       return 0;
160   }
161 
162   unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
163   int glob_nomatch = GLOB_NOMATCH;
164   int glob_altdirfunc = GLOB_ALTDIRFUNC;
165 
166   unsigned path_max = PATH_MAX;
167 
168   // ioctl arguments
169   unsigned struct_ifreq_sz = sizeof(struct ifreq);
170   unsigned struct_termios_sz = sizeof(struct termios);
171   unsigned struct_winsize_sz = sizeof(struct winsize);
172 #if SOUND_VERSION >= 0x040000
173   unsigned struct_copr_buffer_sz = 0;
174   unsigned struct_copr_debug_buf_sz = 0;
175   unsigned struct_copr_msg_sz = 0;
176 #else
177   unsigned struct_copr_buffer_sz = sizeof(struct copr_buffer);
178   unsigned struct_copr_debug_buf_sz = sizeof(struct copr_debug_buf);
179   unsigned struct_copr_msg_sz = sizeof(struct copr_msg);
180 #endif
181   unsigned struct_midi_info_sz = sizeof(struct midi_info);
182   unsigned struct_mtget_sz = sizeof(struct mtget);
183   unsigned struct_mtop_sz = sizeof(struct mtop);
184   unsigned struct_sbi_instrument_sz = sizeof(struct sbi_instrument);
185   unsigned struct_seq_event_rec_sz = sizeof(struct seq_event_rec);
186   unsigned struct_synth_info_sz = sizeof(struct synth_info);
187   unsigned struct_audio_buf_info_sz = sizeof(struct audio_buf_info);
188   unsigned struct_ppp_stats_sz = sizeof(struct ppp_stats);
189   unsigned struct_sioc_sg_req_sz = sizeof(struct sioc_sg_req);
190   unsigned struct_sioc_vif_req_sz = sizeof(struct sioc_vif_req);
191   const unsigned long __sanitizer_bufsiz = BUFSIZ;
192 
193   const unsigned IOCTL_NOT_PRESENT = 0;
194 
195   unsigned IOCTL_FIOASYNC = FIOASYNC;
196   unsigned IOCTL_FIOCLEX = FIOCLEX;
197   unsigned IOCTL_FIOGETOWN = FIOGETOWN;
198   unsigned IOCTL_FIONBIO = FIONBIO;
199   unsigned IOCTL_FIONCLEX = FIONCLEX;
200   unsigned IOCTL_FIOSETOWN = FIOSETOWN;
201   unsigned IOCTL_SIOCADDMULTI = SIOCADDMULTI;
202   unsigned IOCTL_SIOCATMARK = SIOCATMARK;
203   unsigned IOCTL_SIOCDELMULTI = SIOCDELMULTI;
204   unsigned IOCTL_SIOCGIFADDR = SIOCGIFADDR;
205   unsigned IOCTL_SIOCGIFBRDADDR = SIOCGIFBRDADDR;
206   unsigned IOCTL_SIOCGIFCONF = SIOCGIFCONF;
207   unsigned IOCTL_SIOCGIFDSTADDR = SIOCGIFDSTADDR;
208   unsigned IOCTL_SIOCGIFFLAGS = SIOCGIFFLAGS;
209   unsigned IOCTL_SIOCGIFMETRIC = SIOCGIFMETRIC;
210   unsigned IOCTL_SIOCGIFMTU = SIOCGIFMTU;
211   unsigned IOCTL_SIOCGIFNETMASK = SIOCGIFNETMASK;
212   unsigned IOCTL_SIOCGPGRP = SIOCGPGRP;
213   unsigned IOCTL_SIOCSIFADDR = SIOCSIFADDR;
214   unsigned IOCTL_SIOCSIFBRDADDR = SIOCSIFBRDADDR;
215   unsigned IOCTL_SIOCSIFDSTADDR = SIOCSIFDSTADDR;
216   unsigned IOCTL_SIOCSIFFLAGS = SIOCSIFFLAGS;
217   unsigned IOCTL_SIOCSIFMETRIC = SIOCSIFMETRIC;
218   unsigned IOCTL_SIOCSIFMTU = SIOCSIFMTU;
219   unsigned IOCTL_SIOCSIFNETMASK = SIOCSIFNETMASK;
220   unsigned IOCTL_SIOCSPGRP = SIOCSPGRP;
221   unsigned IOCTL_TIOCCONS = TIOCCONS;
222   unsigned IOCTL_TIOCEXCL = TIOCEXCL;
223   unsigned IOCTL_TIOCGETD = TIOCGETD;
224   unsigned IOCTL_TIOCGPGRP = TIOCGPGRP;
225   unsigned IOCTL_TIOCGWINSZ = TIOCGWINSZ;
226   unsigned IOCTL_TIOCMBIC = TIOCMBIC;
227   unsigned IOCTL_TIOCMBIS = TIOCMBIS;
228   unsigned IOCTL_TIOCMGET = TIOCMGET;
229   unsigned IOCTL_TIOCMSET = TIOCMSET;
230   unsigned IOCTL_TIOCNOTTY = TIOCNOTTY;
231   unsigned IOCTL_TIOCNXCL = TIOCNXCL;
232   unsigned IOCTL_TIOCOUTQ = TIOCOUTQ;
233   unsigned IOCTL_TIOCPKT = TIOCPKT;
234   unsigned IOCTL_TIOCSCTTY = TIOCSCTTY;
235   unsigned IOCTL_TIOCSETD = TIOCSETD;
236   unsigned IOCTL_TIOCSPGRP = TIOCSPGRP;
237   unsigned IOCTL_TIOCSTI = TIOCSTI;
238   unsigned IOCTL_TIOCSWINSZ = TIOCSWINSZ;
239   unsigned IOCTL_SIOCGETSGCNT = SIOCGETSGCNT;
240   unsigned IOCTL_SIOCGETVIFCNT = SIOCGETVIFCNT;
241   unsigned IOCTL_MTIOCGET = MTIOCGET;
242   unsigned IOCTL_MTIOCTOP = MTIOCTOP;
243   unsigned IOCTL_SNDCTL_DSP_GETBLKSIZE = SNDCTL_DSP_GETBLKSIZE;
244   unsigned IOCTL_SNDCTL_DSP_GETFMTS = SNDCTL_DSP_GETFMTS;
245   unsigned IOCTL_SNDCTL_DSP_NONBLOCK = SNDCTL_DSP_NONBLOCK;
246   unsigned IOCTL_SNDCTL_DSP_POST = SNDCTL_DSP_POST;
247   unsigned IOCTL_SNDCTL_DSP_RESET = SNDCTL_DSP_RESET;
248   unsigned IOCTL_SNDCTL_DSP_SETFMT = SNDCTL_DSP_SETFMT;
249   unsigned IOCTL_SNDCTL_DSP_SETFRAGMENT = SNDCTL_DSP_SETFRAGMENT;
250   unsigned IOCTL_SNDCTL_DSP_SPEED = SNDCTL_DSP_SPEED;
251   unsigned IOCTL_SNDCTL_DSP_STEREO = SNDCTL_DSP_STEREO;
252   unsigned IOCTL_SNDCTL_DSP_SUBDIVIDE = SNDCTL_DSP_SUBDIVIDE;
253   unsigned IOCTL_SNDCTL_DSP_SYNC = SNDCTL_DSP_SYNC;
254   unsigned IOCTL_SNDCTL_FM_4OP_ENABLE = SNDCTL_FM_4OP_ENABLE;
255   unsigned IOCTL_SNDCTL_FM_LOAD_INSTR = SNDCTL_FM_LOAD_INSTR;
256   unsigned IOCTL_SNDCTL_MIDI_INFO = SNDCTL_MIDI_INFO;
257   unsigned IOCTL_SNDCTL_MIDI_PRETIME = SNDCTL_MIDI_PRETIME;
258   unsigned IOCTL_SNDCTL_SEQ_CTRLRATE = SNDCTL_SEQ_CTRLRATE;
259   unsigned IOCTL_SNDCTL_SEQ_GETINCOUNT = SNDCTL_SEQ_GETINCOUNT;
260   unsigned IOCTL_SNDCTL_SEQ_GETOUTCOUNT = SNDCTL_SEQ_GETOUTCOUNT;
261   unsigned IOCTL_SNDCTL_SEQ_NRMIDIS = SNDCTL_SEQ_NRMIDIS;
262   unsigned IOCTL_SNDCTL_SEQ_NRSYNTHS = SNDCTL_SEQ_NRSYNTHS;
263   unsigned IOCTL_SNDCTL_SEQ_OUTOFBAND = SNDCTL_SEQ_OUTOFBAND;
264   unsigned IOCTL_SNDCTL_SEQ_PANIC = SNDCTL_SEQ_PANIC;
265   unsigned IOCTL_SNDCTL_SEQ_PERCMODE = SNDCTL_SEQ_PERCMODE;
266   unsigned IOCTL_SNDCTL_SEQ_RESET = SNDCTL_SEQ_RESET;
267   unsigned IOCTL_SNDCTL_SEQ_RESETSAMPLES = SNDCTL_SEQ_RESETSAMPLES;
268   unsigned IOCTL_SNDCTL_SEQ_SYNC = SNDCTL_SEQ_SYNC;
269   unsigned IOCTL_SNDCTL_SEQ_TESTMIDI = SNDCTL_SEQ_TESTMIDI;
270   unsigned IOCTL_SNDCTL_SEQ_THRESHOLD = SNDCTL_SEQ_THRESHOLD;
271   unsigned IOCTL_SNDCTL_SYNTH_INFO = SNDCTL_SYNTH_INFO;
272   unsigned IOCTL_SNDCTL_SYNTH_MEMAVL = SNDCTL_SYNTH_MEMAVL;
273   unsigned IOCTL_SNDCTL_TMR_CONTINUE = SNDCTL_TMR_CONTINUE;
274   unsigned IOCTL_SNDCTL_TMR_METRONOME = SNDCTL_TMR_METRONOME;
275   unsigned IOCTL_SNDCTL_TMR_SELECT = SNDCTL_TMR_SELECT;
276   unsigned IOCTL_SNDCTL_TMR_SOURCE = SNDCTL_TMR_SOURCE;
277   unsigned IOCTL_SNDCTL_TMR_START = SNDCTL_TMR_START;
278   unsigned IOCTL_SNDCTL_TMR_STOP = SNDCTL_TMR_STOP;
279   unsigned IOCTL_SNDCTL_TMR_TEMPO = SNDCTL_TMR_TEMPO;
280   unsigned IOCTL_SNDCTL_TMR_TIMEBASE = SNDCTL_TMR_TIMEBASE;
281   unsigned IOCTL_SOUND_MIXER_READ_ALTPCM = SOUND_MIXER_READ_ALTPCM;
282   unsigned IOCTL_SOUND_MIXER_READ_BASS = SOUND_MIXER_READ_BASS;
283   unsigned IOCTL_SOUND_MIXER_READ_CAPS = SOUND_MIXER_READ_CAPS;
284   unsigned IOCTL_SOUND_MIXER_READ_CD = SOUND_MIXER_READ_CD;
285   unsigned IOCTL_SOUND_MIXER_READ_DEVMASK = SOUND_MIXER_READ_DEVMASK;
286   unsigned IOCTL_SOUND_MIXER_READ_ENHANCE = SOUND_MIXER_READ_ENHANCE;
287   unsigned IOCTL_SOUND_MIXER_READ_IGAIN = SOUND_MIXER_READ_IGAIN;
288   unsigned IOCTL_SOUND_MIXER_READ_IMIX = SOUND_MIXER_READ_IMIX;
289   unsigned IOCTL_SOUND_MIXER_READ_LINE = SOUND_MIXER_READ_LINE;
290   unsigned IOCTL_SOUND_MIXER_READ_LINE1 = SOUND_MIXER_READ_LINE1;
291   unsigned IOCTL_SOUND_MIXER_READ_LINE2 = SOUND_MIXER_READ_LINE2;
292   unsigned IOCTL_SOUND_MIXER_READ_LINE3 = SOUND_MIXER_READ_LINE3;
293   unsigned IOCTL_SOUND_MIXER_READ_LOUD = SOUND_MIXER_READ_LOUD;
294   unsigned IOCTL_SOUND_MIXER_READ_MIC = SOUND_MIXER_READ_MIC;
295   unsigned IOCTL_SOUND_MIXER_READ_MUTE = SOUND_MIXER_READ_MUTE;
296   unsigned IOCTL_SOUND_MIXER_READ_OGAIN = SOUND_MIXER_READ_OGAIN;
297   unsigned IOCTL_SOUND_MIXER_READ_PCM = SOUND_MIXER_READ_PCM;
298   unsigned IOCTL_SOUND_MIXER_READ_RECLEV = SOUND_MIXER_READ_RECLEV;
299   unsigned IOCTL_SOUND_MIXER_READ_RECMASK = SOUND_MIXER_READ_RECMASK;
300   unsigned IOCTL_SOUND_MIXER_READ_RECSRC = SOUND_MIXER_READ_RECSRC;
301   unsigned IOCTL_SOUND_MIXER_READ_SPEAKER = SOUND_MIXER_READ_SPEAKER;
302   unsigned IOCTL_SOUND_MIXER_READ_STEREODEVS = SOUND_MIXER_READ_STEREODEVS;
303   unsigned IOCTL_SOUND_MIXER_READ_SYNTH = SOUND_MIXER_READ_SYNTH;
304   unsigned IOCTL_SOUND_MIXER_READ_TREBLE = SOUND_MIXER_READ_TREBLE;
305   unsigned IOCTL_SOUND_MIXER_READ_VOLUME = SOUND_MIXER_READ_VOLUME;
306   unsigned IOCTL_SOUND_MIXER_WRITE_ALTPCM = SOUND_MIXER_WRITE_ALTPCM;
307   unsigned IOCTL_SOUND_MIXER_WRITE_BASS = SOUND_MIXER_WRITE_BASS;
308   unsigned IOCTL_SOUND_MIXER_WRITE_CD = SOUND_MIXER_WRITE_CD;
309   unsigned IOCTL_SOUND_MIXER_WRITE_ENHANCE = SOUND_MIXER_WRITE_ENHANCE;
310   unsigned IOCTL_SOUND_MIXER_WRITE_IGAIN = SOUND_MIXER_WRITE_IGAIN;
311   unsigned IOCTL_SOUND_MIXER_WRITE_IMIX = SOUND_MIXER_WRITE_IMIX;
312   unsigned IOCTL_SOUND_MIXER_WRITE_LINE = SOUND_MIXER_WRITE_LINE;
313   unsigned IOCTL_SOUND_MIXER_WRITE_LINE1 = SOUND_MIXER_WRITE_LINE1;
314   unsigned IOCTL_SOUND_MIXER_WRITE_LINE2 = SOUND_MIXER_WRITE_LINE2;
315   unsigned IOCTL_SOUND_MIXER_WRITE_LINE3 = SOUND_MIXER_WRITE_LINE3;
316   unsigned IOCTL_SOUND_MIXER_WRITE_LOUD = SOUND_MIXER_WRITE_LOUD;
317   unsigned IOCTL_SOUND_MIXER_WRITE_MIC = SOUND_MIXER_WRITE_MIC;
318   unsigned IOCTL_SOUND_MIXER_WRITE_MUTE = SOUND_MIXER_WRITE_MUTE;
319   unsigned IOCTL_SOUND_MIXER_WRITE_OGAIN = SOUND_MIXER_WRITE_OGAIN;
320   unsigned IOCTL_SOUND_MIXER_WRITE_PCM = SOUND_MIXER_WRITE_PCM;
321   unsigned IOCTL_SOUND_MIXER_WRITE_RECLEV = SOUND_MIXER_WRITE_RECLEV;
322   unsigned IOCTL_SOUND_MIXER_WRITE_RECSRC = SOUND_MIXER_WRITE_RECSRC;
323   unsigned IOCTL_SOUND_MIXER_WRITE_SPEAKER = SOUND_MIXER_WRITE_SPEAKER;
324   unsigned IOCTL_SOUND_MIXER_WRITE_SYNTH = SOUND_MIXER_WRITE_SYNTH;
325   unsigned IOCTL_SOUND_MIXER_WRITE_TREBLE = SOUND_MIXER_WRITE_TREBLE;
326   unsigned IOCTL_SOUND_MIXER_WRITE_VOLUME = SOUND_MIXER_WRITE_VOLUME;
327   unsigned IOCTL_VT_ACTIVATE = VT_ACTIVATE;
328   unsigned IOCTL_VT_GETMODE = VT_GETMODE;
329   unsigned IOCTL_VT_OPENQRY = VT_OPENQRY;
330   unsigned IOCTL_VT_RELDISP = VT_RELDISP;
331   unsigned IOCTL_VT_SETMODE = VT_SETMODE;
332   unsigned IOCTL_VT_WAITACTIVE = VT_WAITACTIVE;
333   unsigned IOCTL_GIO_SCRNMAP = GIO_SCRNMAP;
334   unsigned IOCTL_KDDISABIO = KDDISABIO;
335   unsigned IOCTL_KDENABIO = KDENABIO;
336   unsigned IOCTL_KDGETLED = KDGETLED;
337   unsigned IOCTL_KDGETMODE = KDGETMODE;
338   unsigned IOCTL_KDGKBMODE = KDGKBMODE;
339   unsigned IOCTL_KDGKBTYPE = KDGKBTYPE;
340   unsigned IOCTL_KDMKTONE = KDMKTONE;
341   unsigned IOCTL_KDSETLED = KDSETLED;
342   unsigned IOCTL_KDSETMODE = KDSETMODE;
343   unsigned IOCTL_KDSKBMODE = KDSKBMODE;
344   unsigned IOCTL_KIOCSOUND = KIOCSOUND;
345   unsigned IOCTL_PIO_SCRNMAP = PIO_SCRNMAP;
346   unsigned IOCTL_SNDCTL_DSP_GETISPACE = SNDCTL_DSP_GETISPACE;
347 
348   const int si_SEGV_MAPERR = SEGV_MAPERR;
349   const int si_SEGV_ACCERR = SEGV_ACCERR;
350   const int unvis_valid = UNVIS_VALID;
351   const int unvis_validpush = UNVIS_VALIDPUSH;
352 } // namespace __sanitizer
353 
354 using namespace __sanitizer;
355 
356 COMPILER_CHECK(sizeof(__sanitizer_pthread_attr_t) >= sizeof(pthread_attr_t));
357 
358 COMPILER_CHECK(sizeof(socklen_t) == sizeof(unsigned));
359 CHECK_TYPE_SIZE(pthread_key_t);
360 
361 // There are more undocumented fields in dl_phdr_info that we are not interested
362 // in.
363 COMPILER_CHECK(sizeof(__sanitizer_dl_phdr_info) <= sizeof(dl_phdr_info));
364 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_addr);
365 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_name);
366 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phdr);
367 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phnum);
368 
369 CHECK_TYPE_SIZE(glob_t);
370 CHECK_SIZE_AND_OFFSET(glob_t, gl_pathc);
371 CHECK_SIZE_AND_OFFSET(glob_t, gl_pathv);
372 CHECK_SIZE_AND_OFFSET(glob_t, gl_offs);
373 CHECK_SIZE_AND_OFFSET(glob_t, gl_flags);
374 CHECK_SIZE_AND_OFFSET(glob_t, gl_closedir);
375 CHECK_SIZE_AND_OFFSET(glob_t, gl_readdir);
376 CHECK_SIZE_AND_OFFSET(glob_t, gl_opendir);
377 CHECK_SIZE_AND_OFFSET(glob_t, gl_lstat);
378 CHECK_SIZE_AND_OFFSET(glob_t, gl_stat);
379 
380 CHECK_TYPE_SIZE(addrinfo);
381 CHECK_SIZE_AND_OFFSET(addrinfo, ai_flags);
382 CHECK_SIZE_AND_OFFSET(addrinfo, ai_family);
383 CHECK_SIZE_AND_OFFSET(addrinfo, ai_socktype);
384 CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol);
385 CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol);
386 CHECK_SIZE_AND_OFFSET(addrinfo, ai_addrlen);
387 CHECK_SIZE_AND_OFFSET(addrinfo, ai_canonname);
388 CHECK_SIZE_AND_OFFSET(addrinfo, ai_addr);
389 
390 CHECK_TYPE_SIZE(hostent);
391 CHECK_SIZE_AND_OFFSET(hostent, h_name);
392 CHECK_SIZE_AND_OFFSET(hostent, h_aliases);
393 CHECK_SIZE_AND_OFFSET(hostent, h_addrtype);
394 CHECK_SIZE_AND_OFFSET(hostent, h_length);
395 CHECK_SIZE_AND_OFFSET(hostent, h_addr_list);
396 
397 CHECK_TYPE_SIZE(iovec);
398 CHECK_SIZE_AND_OFFSET(iovec, iov_base);
399 CHECK_SIZE_AND_OFFSET(iovec, iov_len);
400 
401 CHECK_TYPE_SIZE(msghdr);
402 CHECK_SIZE_AND_OFFSET(msghdr, msg_name);
403 CHECK_SIZE_AND_OFFSET(msghdr, msg_namelen);
404 CHECK_SIZE_AND_OFFSET(msghdr, msg_iov);
405 CHECK_SIZE_AND_OFFSET(msghdr, msg_iovlen);
406 CHECK_SIZE_AND_OFFSET(msghdr, msg_control);
407 CHECK_SIZE_AND_OFFSET(msghdr, msg_controllen);
408 CHECK_SIZE_AND_OFFSET(msghdr, msg_flags);
409 
410 CHECK_TYPE_SIZE(cmsghdr);
411 CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_len);
412 CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_level);
413 CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_type);
414 
415 COMPILER_CHECK(sizeof(__sanitizer_dirent) <= sizeof(dirent));
416 CHECK_SIZE_AND_OFFSET(dirent, d_ino);
417 CHECK_SIZE_AND_OFFSET(dirent, d_reclen);
418 
419 CHECK_TYPE_SIZE(ifconf);
420 CHECK_SIZE_AND_OFFSET(ifconf, ifc_len);
421 CHECK_SIZE_AND_OFFSET(ifconf, ifc_ifcu);
422 
423 CHECK_TYPE_SIZE(pollfd);
424 CHECK_SIZE_AND_OFFSET(pollfd, fd);
425 CHECK_SIZE_AND_OFFSET(pollfd, events);
426 CHECK_SIZE_AND_OFFSET(pollfd, revents);
427 
428 CHECK_TYPE_SIZE(nfds_t);
429 
430 CHECK_TYPE_SIZE(sigset_t);
431 
432 COMPILER_CHECK(sizeof(__sanitizer_sigaction) == sizeof(struct sigaction));
433 // Can't write checks for sa_handler and sa_sigaction due to them being
434 // preprocessor macros.
435 CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_mask);
436 
437 CHECK_TYPE_SIZE(wordexp_t);
438 CHECK_SIZE_AND_OFFSET(wordexp_t, we_wordc);
439 CHECK_SIZE_AND_OFFSET(wordexp_t, we_wordv);
440 CHECK_SIZE_AND_OFFSET(wordexp_t, we_offs);
441 
442 CHECK_TYPE_SIZE(tm);
443 CHECK_SIZE_AND_OFFSET(tm, tm_sec);
444 CHECK_SIZE_AND_OFFSET(tm, tm_min);
445 CHECK_SIZE_AND_OFFSET(tm, tm_hour);
446 CHECK_SIZE_AND_OFFSET(tm, tm_mday);
447 CHECK_SIZE_AND_OFFSET(tm, tm_mon);
448 CHECK_SIZE_AND_OFFSET(tm, tm_year);
449 CHECK_SIZE_AND_OFFSET(tm, tm_wday);
450 CHECK_SIZE_AND_OFFSET(tm, tm_yday);
451 CHECK_SIZE_AND_OFFSET(tm, tm_isdst);
452 CHECK_SIZE_AND_OFFSET(tm, tm_gmtoff);
453 CHECK_SIZE_AND_OFFSET(tm, tm_zone);
454 
455 CHECK_TYPE_SIZE(ether_addr);
456 
457 CHECK_TYPE_SIZE(ipc_perm);
458 CHECK_SIZE_AND_OFFSET(ipc_perm, key);
459 CHECK_SIZE_AND_OFFSET(ipc_perm, seq);
460 CHECK_SIZE_AND_OFFSET(ipc_perm, uid);
461 CHECK_SIZE_AND_OFFSET(ipc_perm, gid);
462 CHECK_SIZE_AND_OFFSET(ipc_perm, cuid);
463 CHECK_SIZE_AND_OFFSET(ipc_perm, cgid);
464 
465 CHECK_TYPE_SIZE(shmid_ds);
466 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_perm);
467 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_segsz);
468 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_atime);
469 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_dtime);
470 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_ctime);
471 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_cpid);
472 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_lpid);
473 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_nattch);
474 
475 CHECK_TYPE_SIZE(clock_t);
476 
477 CHECK_TYPE_SIZE(ifaddrs);
478 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_next);
479 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_name);
480 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_addr);
481 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_netmask);
482 #undef ifa_dstaddr
483 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_dstaddr);
484 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_data);
485 
486 CHECK_TYPE_SIZE(timeb);
487 CHECK_SIZE_AND_OFFSET(timeb, time);
488 CHECK_SIZE_AND_OFFSET(timeb, millitm);
489 CHECK_SIZE_AND_OFFSET(timeb, timezone);
490 CHECK_SIZE_AND_OFFSET(timeb, dstflag);
491 
492 CHECK_TYPE_SIZE(passwd);
493 CHECK_SIZE_AND_OFFSET(passwd, pw_name);
494 CHECK_SIZE_AND_OFFSET(passwd, pw_passwd);
495 CHECK_SIZE_AND_OFFSET(passwd, pw_uid);
496 CHECK_SIZE_AND_OFFSET(passwd, pw_gid);
497 CHECK_SIZE_AND_OFFSET(passwd, pw_dir);
498 CHECK_SIZE_AND_OFFSET(passwd, pw_shell);
499 
500 CHECK_SIZE_AND_OFFSET(passwd, pw_gecos);
501 
502 CHECK_TYPE_SIZE(group);
503 CHECK_SIZE_AND_OFFSET(group, gr_name);
504 CHECK_SIZE_AND_OFFSET(group, gr_passwd);
505 CHECK_SIZE_AND_OFFSET(group, gr_gid);
506 CHECK_SIZE_AND_OFFSET(group, gr_mem);
507 
508 #if HAVE_RPC_XDR_H || HAVE_TIRPC_RPC_XDR_H
509 CHECK_TYPE_SIZE(XDR);
510 CHECK_SIZE_AND_OFFSET(XDR, x_op);
511 CHECK_SIZE_AND_OFFSET(XDR, x_ops);
512 CHECK_SIZE_AND_OFFSET(XDR, x_public);
513 CHECK_SIZE_AND_OFFSET(XDR, x_private);
514 CHECK_SIZE_AND_OFFSET(XDR, x_base);
515 CHECK_SIZE_AND_OFFSET(XDR, x_handy);
516 COMPILER_CHECK(__sanitizer_XDR_ENCODE == XDR_ENCODE);
517 COMPILER_CHECK(__sanitizer_XDR_DECODE == XDR_DECODE);
518 COMPILER_CHECK(__sanitizer_XDR_FREE == XDR_FREE);
519 #endif
520 
521 CHECK_TYPE_SIZE(sem_t);
522 
523 COMPILER_CHECK(sizeof(__sanitizer_cap_rights_t) >= sizeof(cap_rights_t));
524 #endif  // SANITIZER_FREEBSD
525