master
1//===-- sanitizer_platform_limits_posix.cpp -------------------------------===//
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 is a part of Sanitizer common code.
10//
11// Sizes and layouts of platform-specific POSIX data structures.
12//===----------------------------------------------------------------------===//
13
14#if defined(__linux__) || defined(__APPLE__)
15// Tests in this file assume that off_t-dependent data structures match the
16// libc ABI. For example, struct dirent here is what readdir() function (as
17// exported from libc) returns, and not the user-facing "dirent", which
18// depends on _FILE_OFFSET_BITS setting.
19// To get this "true" dirent definition, we undefine _FILE_OFFSET_BITS below.
20#undef _FILE_OFFSET_BITS
21#undef _TIME_BITS
22#endif
23
24// Must go after undef _FILE_OFFSET_BITS.
25#include "sanitizer_platform.h"
26
27#if SANITIZER_LINUX || SANITIZER_APPLE || SANITIZER_HAIKU
28// Must go after undef _FILE_OFFSET_BITS.
29#include "sanitizer_glibc_version.h"
30
31#include <arpa/inet.h>
32#include <dirent.h>
33#include <grp.h>
34#include <limits.h>
35#include <net/if.h>
36#include <netdb.h>
37#include <poll.h>
38#include <pthread.h>
39#include <pwd.h>
40#include <signal.h>
41#include <stddef.h>
42#include <stdio.h>
43#include <sys/mman.h>
44#include <sys/resource.h>
45#include <sys/socket.h>
46#include <sys/stat.h>
47#include <sys/time.h>
48#include <sys/times.h>
49#include <sys/types.h>
50#include <sys/utsname.h>
51#include <termios.h>
52#include <time.h>
53#include <wchar.h>
54#include <regex.h>
55#if !SANITIZER_APPLE && !SANITIZER_HAIKU
56#include <utmp.h>
57#endif
58
59#if !SANITIZER_IOS
60#include <net/route.h>
61#endif
62
63#if !SANITIZER_ANDROID
64#if !SANITIZER_HAIKU
65#include <sys/mount.h>
66#endif
67#include <sys/timeb.h>
68#include <utmpx.h>
69#endif
70
71#if SANITIZER_LINUX
72#include <malloc.h>
73#include <mntent.h>
74#include <netinet/ether.h>
75#include <sys/sysinfo.h>
76#include <sys/vt.h>
77#include <linux/cdrom.h>
78#include <linux/fd.h>
79#if SANITIZER_ANDROID
80#include <linux/fs.h>
81#endif
82#include <linux/hdreg.h>
83#include <linux/input.h>
84#include <linux/ioctl.h>
85#include <linux/soundcard.h>
86#include <linux/sysctl.h>
87#include <linux/utsname.h>
88#include <linux/posix_types.h>
89#include <net/if_arp.h>
90#endif
91
92#if SANITIZER_IOS
93#undef IOC_DIRMASK
94#endif
95
96#if SANITIZER_LINUX
97# include <utime.h>
98# include <sys/ptrace.h>
99# if defined(__mips64) || defined(__aarch64__) || defined(__arm__) || \
100 defined(__hexagon__) || defined(__loongarch__) || SANITIZER_RISCV64 || \
101 defined(__sparc__) || defined(__powerpc64__)
102# include <asm/ptrace.h>
103# ifdef __arm__
104typedef struct user_fpregs elf_fpregset_t;
105# define ARM_VFPREGS_SIZE_ASAN (32 * 8 /*fpregs*/ + 4 /*fpscr*/)
106# if !defined(ARM_VFPREGS_SIZE)
107# define ARM_VFPREGS_SIZE ARM_VFPREGS_SIZE_ASAN
108# endif
109# endif
110# endif
111# include <semaphore.h>
112#endif
113
114#if !SANITIZER_ANDROID
115#include <ifaddrs.h>
116#if !SANITIZER_HAIKU
117#include <sys/ucontext.h>
118#include <wordexp.h>
119#endif
120#endif
121
122#if SANITIZER_LINUX
123#if SANITIZER_GLIBC
124#include <fstab.h>
125# include <linux/filter.h>
126# include <net/if_ppp.h>
127# include <netax25/ax25.h>
128# include <netipx/ipx.h>
129# include <netrom/netrom.h>
130# include <obstack.h>
131# if HAVE_RPC_XDR_H
132# include <rpc/xdr.h>
133# endif
134# include <scsi/scsi.h>
135#else
136#include <linux/if_ppp.h>
137#include <linux/kd.h>
138#include <linux/ppp_defs.h>
139#endif // SANITIZER_GLIBC
140
141#if SANITIZER_ANDROID
142#include <linux/mtio.h>
143#else
144#include <glob.h>
145#include <mqueue.h>
146#include <sys/kd.h>
147#include <sys/mtio.h>
148#include <sys/shm.h>
149#include <sys/statvfs.h>
150#include <sys/timex.h>
151#if defined(__mips64)
152# include <sys/procfs.h>
153#endif
154#include <sys/user.h>
155#include <linux/if_eql.h>
156#include <linux/if_plip.h>
157#include <linux/lp.h>
158#include <linux/mroute.h>
159#include <linux/mroute6.h>
160#include <linux/scc.h>
161#include <linux/serial.h>
162#include <sys/msg.h>
163#include <sys/ipc.h>
164#endif // SANITIZER_ANDROID
165
166#include <link.h>
167#include <sys/vfs.h>
168#include <sys/epoll.h>
169#include <linux/capability.h>
170#elif !SANITIZER_HAIKU
171#include <fstab.h>
172#endif // SANITIZER_LINUX
173
174#if SANITIZER_APPLE
175#include <net/ethernet.h>
176#include <sys/filio.h>
177#include <sys/sockio.h>
178#endif
179
180#if SANITIZER_HAIKU
181#include <sys/sockio.h>
182#include <sys/ioctl.h>
183#endif
184
185// Include these after system headers to avoid name clashes and ambiguities.
186# include "sanitizer_common.h"
187# include "sanitizer_internal_defs.h"
188# include "sanitizer_platform_interceptors.h"
189# include "sanitizer_platform_limits_posix.h"
190
191namespace __sanitizer {
192 unsigned struct_utsname_sz = sizeof(struct utsname);
193 unsigned struct_stat_sz = sizeof(struct stat);
194#if SANITIZER_HAS_STAT64
195 unsigned struct_stat64_sz = sizeof(struct stat64);
196#endif // SANITIZER_HAS_STAT64
197 unsigned struct_rusage_sz = sizeof(struct rusage);
198 unsigned struct_tm_sz = sizeof(struct tm);
199 unsigned struct_passwd_sz = sizeof(struct passwd);
200 unsigned struct_group_sz = sizeof(struct group);
201 unsigned siginfo_t_sz = sizeof(siginfo_t);
202 unsigned struct_sigaction_sz = sizeof(struct sigaction);
203 unsigned struct_stack_t_sz = sizeof(stack_t);
204 unsigned struct_itimerval_sz = sizeof(struct itimerval);
205 unsigned pthread_t_sz = sizeof(pthread_t);
206 unsigned pthread_mutex_t_sz = sizeof(pthread_mutex_t);
207 unsigned pthread_cond_t_sz = sizeof(pthread_cond_t);
208 unsigned pid_t_sz = sizeof(pid_t);
209 unsigned timeval_sz = sizeof(timeval);
210 unsigned uid_t_sz = sizeof(uid_t);
211 unsigned gid_t_sz = sizeof(gid_t);
212 unsigned mbstate_t_sz = sizeof(mbstate_t);
213 unsigned sigset_t_sz = sizeof(sigset_t);
214 unsigned struct_timezone_sz = sizeof(struct timezone);
215 unsigned struct_tms_sz = sizeof(struct tms);
216 unsigned struct_sigevent_sz = sizeof(struct sigevent);
217 unsigned struct_sched_param_sz = sizeof(struct sched_param);
218 unsigned struct_regex_sz = sizeof(regex_t);
219 unsigned struct_regmatch_sz = sizeof(regmatch_t);
220
221#if SANITIZER_HAS_STATFS64
222 unsigned struct_statfs64_sz = sizeof(struct statfs64);
223#endif // SANITIZER_HAS_STATFS64
224
225#if SANITIZER_GLIBC || SANITIZER_FREEBSD || SANITIZER_NETBSD || SANITIZER_APPLE
226 unsigned struct_fstab_sz = sizeof(struct fstab);
227#endif // SANITIZER_GLIBC || SANITIZER_FREEBSD || SANITIZER_NETBSD ||
228 // SANITIZER_APPLE
229#if !SANITIZER_ANDROID && !SANITIZER_HAIKU
230 unsigned struct_statfs_sz = sizeof(struct statfs);
231 unsigned struct_sockaddr_sz = sizeof(struct sockaddr);
232
233 unsigned ucontext_t_sz(void *ctx) {
234# if SANITIZER_GLIBC && SANITIZER_X64
235 // Added in Linux kernel 3.4.0, merged to glibc in 2.16
236# ifndef FP_XSTATE_MAGIC1
237# define FP_XSTATE_MAGIC1 0x46505853U
238# endif
239 // See kernel arch/x86/kernel/fpu/signal.c for details.
240 const auto *fpregs = static_cast<ucontext_t *>(ctx)->uc_mcontext.fpregs;
241 // The member names differ across header versions, but the actual layout
242 // is always the same. So avoid using members, just use arithmetic.
243 const uint32_t *after_xmm =
244 reinterpret_cast<const uint32_t *>(fpregs + 1) - 24;
245 if (after_xmm[12] == FP_XSTATE_MAGIC1)
246 return reinterpret_cast<const char *>(fpregs) + after_xmm[13] -
247 static_cast<const char *>(ctx);
248# endif
249 return sizeof(ucontext_t);
250 }
251# endif // !SANITIZER_ANDROID
252
253# if SANITIZER_LINUX
254 unsigned struct_epoll_event_sz = sizeof(struct epoll_event);
255 unsigned struct_sysinfo_sz = sizeof(struct sysinfo);
256 unsigned __user_cap_header_struct_sz =
257 sizeof(struct __user_cap_header_struct);
258 unsigned __user_cap_data_struct_sz(void *hdrp) {
259 int u32s = 0;
260 if (hdrp) {
261 switch (((struct __user_cap_header_struct *)hdrp)->version) {
262 case _LINUX_CAPABILITY_VERSION_1:
263 u32s = _LINUX_CAPABILITY_U32S_1;
264 break;
265 case _LINUX_CAPABILITY_VERSION_2:
266 u32s = _LINUX_CAPABILITY_U32S_2;
267 break;
268 case _LINUX_CAPABILITY_VERSION_3:
269 u32s = _LINUX_CAPABILITY_U32S_3;
270 break;
271 }
272 }
273 return sizeof(struct __user_cap_data_struct) * u32s;
274 }
275 unsigned struct_new_utsname_sz = sizeof(struct new_utsname);
276 unsigned struct_old_utsname_sz = sizeof(struct old_utsname);
277 unsigned struct_oldold_utsname_sz = sizeof(struct oldold_utsname);
278#endif // SANITIZER_LINUX
279
280#if SANITIZER_LINUX
281 unsigned struct_rlimit_sz = sizeof(struct rlimit);
282 unsigned struct_timespec_sz = sizeof(struct timespec);
283 unsigned struct_utimbuf_sz = sizeof(struct utimbuf);
284 unsigned struct_itimerspec_sz = sizeof(struct itimerspec);
285#endif // SANITIZER_LINUX
286
287#if SANITIZER_GLIBC
288 // Use pre-computed size of struct ustat to avoid <sys/ustat.h> which
289 // has been removed from glibc 2.28.
290#if defined(__aarch64__) || defined(__s390x__) || defined(__mips64) || \
291 defined(__powerpc64__) || defined(__arch64__) || defined(__sparcv9) || \
292 defined(__x86_64__) || SANITIZER_RISCV64
293#define SIZEOF_STRUCT_USTAT 32
294# elif defined(__arm__) || defined(__i386__) || defined(__mips__) || \
295 defined(__powerpc__) || defined(__s390__) || defined(__sparc__) || \
296 defined(__hexagon__)
297# define SIZEOF_STRUCT_USTAT 20
298# elif defined(__loongarch__)
299 // Not used. The minimum Glibc version available for LoongArch is 2.36
300 // so ustat() wrapper is already gone.
301# define SIZEOF_STRUCT_USTAT 0
302# else
303# error Unknown size of struct ustat
304# endif
305 unsigned struct_ustat_sz = SIZEOF_STRUCT_USTAT;
306 unsigned struct_rlimit64_sz = sizeof(struct rlimit64);
307 unsigned struct_statvfs64_sz = sizeof(struct statvfs64);
308#endif // SANITIZER_GLIBC
309
310#if SANITIZER_LINUX && !SANITIZER_ANDROID
311 unsigned struct_timex_sz = sizeof(struct timex);
312 unsigned struct_msqid_ds_sz = sizeof(struct msqid_ds);
313 unsigned struct_mq_attr_sz = sizeof(struct mq_attr);
314 unsigned struct_statvfs_sz = sizeof(struct statvfs);
315#endif // SANITIZER_LINUX && !SANITIZER_ANDROID
316
317 const uptr sig_ign = (uptr)SIG_IGN;
318 const uptr sig_dfl = (uptr)SIG_DFL;
319 const uptr sig_err = (uptr)SIG_ERR;
320 const uptr sa_siginfo = (uptr)SA_SIGINFO;
321
322#if SANITIZER_LINUX
323 int e_tabsz = (int)E_TABSZ;
324#endif
325
326
327#if SANITIZER_LINUX && !SANITIZER_ANDROID
328 unsigned struct_shminfo_sz = sizeof(struct shminfo);
329 unsigned struct_shm_info_sz = sizeof(struct shm_info);
330 int shmctl_ipc_stat = (int)IPC_STAT;
331 int shmctl_ipc_info = (int)IPC_INFO;
332 int shmctl_shm_info = (int)SHM_INFO;
333 int shmctl_shm_stat = (int)SHM_STAT;
334#endif
335
336#if !SANITIZER_APPLE && !SANITIZER_FREEBSD && !SANITIZER_HAIKU
337 unsigned struct_utmp_sz = sizeof(struct utmp);
338#endif
339#if !SANITIZER_ANDROID
340 unsigned struct_utmpx_sz = sizeof(struct utmpx);
341#endif
342
343 int map_fixed = MAP_FIXED;
344
345 int af_inet = (int)AF_INET;
346 int af_inet6 = (int)AF_INET6;
347
348 uptr __sanitizer_in_addr_sz(int af) {
349 if (af == AF_INET)
350 return sizeof(struct in_addr);
351 else if (af == AF_INET6)
352 return sizeof(struct in6_addr);
353 else
354 return 0;
355 }
356
357#if SANITIZER_LINUX
358unsigned struct_ElfW_Phdr_sz = sizeof(ElfW(Phdr));
359#elif SANITIZER_FREEBSD
360unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
361#endif
362
363#if SANITIZER_GLIBC
364 int glob_nomatch = GLOB_NOMATCH;
365 int glob_altdirfunc = GLOB_ALTDIRFUNC;
366#endif
367
368# if !SANITIZER_ANDROID && !SANITIZER_HAIKU
369 const int wordexp_wrde_dooffs = WRDE_DOOFFS;
370# endif // !SANITIZER_ANDROID && !SANITIZER_HAIKU
371
372# if SANITIZER_LINUX && !SANITIZER_ANDROID && \
373 (defined(__i386) || defined(__x86_64) || defined(__mips64) || \
374 defined(__powerpc64__) || defined(__aarch64__) || defined(__arm__) || \
375 defined(__s390__) || defined(__loongarch__) || SANITIZER_RISCV64 || \
376 defined(__sparc__))
377# if defined(__mips64) || defined(__powerpc64__) || defined(__arm__)
378 unsigned struct_user_regs_struct_sz = sizeof(struct pt_regs);
379 unsigned struct_user_fpregs_struct_sz = sizeof(elf_fpregset_t);
380#elif SANITIZER_RISCV64
381 unsigned struct_user_regs_struct_sz = sizeof(struct user_regs_struct);
382 unsigned struct_user_fpregs_struct_sz = sizeof(struct __riscv_q_ext_state);
383#elif defined(__aarch64__)
384 unsigned struct_user_regs_struct_sz = sizeof(struct user_pt_regs);
385 unsigned struct_user_fpregs_struct_sz = sizeof(struct user_fpsimd_state);
386#elif defined(__loongarch__)
387 unsigned struct_user_regs_struct_sz = sizeof(struct user_pt_regs);
388 unsigned struct_user_fpregs_struct_sz = sizeof(struct user_fp_state);
389#elif defined(__s390__)
390 unsigned struct_user_regs_struct_sz = sizeof(struct _user_regs_struct);
391 unsigned struct_user_fpregs_struct_sz = sizeof(struct _user_fpregs_struct);
392# elif defined(__sparc__)
393 unsigned struct_user_regs_struct_sz = sizeof(struct sunos_regs);
394 unsigned struct_user_fpregs_struct_sz = sizeof(struct sunos_fp);
395# else
396 unsigned struct_user_regs_struct_sz = sizeof(struct user_regs_struct);
397 unsigned struct_user_fpregs_struct_sz = sizeof(struct user_fpregs_struct);
398# endif // __mips64 || __powerpc64__ || __aarch64__ || __loongarch__
399# if defined(__x86_64) || defined(__mips64) || defined(__powerpc64__) || \
400 defined(__aarch64__) || defined(__arm__) || defined(__s390__) || \
401 defined(__loongarch__) || SANITIZER_RISCV64 || defined(__sparc__)
402 unsigned struct_user_fpxregs_struct_sz = 0;
403#else
404 unsigned struct_user_fpxregs_struct_sz = sizeof(struct user_fpxregs_struct);
405#endif // __x86_64 || __mips64 || __powerpc64__ || __aarch64__ || __arm__
406 // || __s390__ || __loongarch__ || SANITIZER_RISCV64 || __sparc__
407# ifdef __arm__
408 unsigned struct_user_vfpregs_struct_sz = ARM_VFPREGS_SIZE;
409#else
410 unsigned struct_user_vfpregs_struct_sz = 0;
411#endif
412
413 int ptrace_peektext = PTRACE_PEEKTEXT;
414 int ptrace_peekdata = PTRACE_PEEKDATA;
415 int ptrace_peekuser = PTRACE_PEEKUSER;
416#if (defined(PTRACE_GETREGS) && defined(PTRACE_SETREGS)) || \
417 (defined(PT_GETREGS) && defined(PT_SETREGS))
418 int ptrace_getregs = PTRACE_GETREGS;
419 int ptrace_setregs = PTRACE_SETREGS;
420#else
421 int ptrace_getregs = -1;
422 int ptrace_setregs = -1;
423#endif
424#if (defined(PTRACE_GETFPREGS) && defined(PTRACE_SETFPREGS)) || \
425 (defined(PT_GETFPREGS) && defined(PT_SETFPREGS))
426 int ptrace_getfpregs = PTRACE_GETFPREGS;
427 int ptrace_setfpregs = PTRACE_SETFPREGS;
428#else
429 int ptrace_getfpregs = -1;
430 int ptrace_setfpregs = -1;
431#endif
432#if (defined(PTRACE_GETFPXREGS) && defined(PTRACE_SETFPXREGS)) || \
433 (defined(PT_GETFPXREGS) && defined(PT_SETFPXREGS))
434 int ptrace_getfpxregs = PTRACE_GETFPXREGS;
435 int ptrace_setfpxregs = PTRACE_SETFPXREGS;
436#else
437 int ptrace_getfpxregs = -1;
438 int ptrace_setfpxregs = -1;
439#endif // PTRACE_GETFPXREGS/PTRACE_SETFPXREGS
440#if defined(PTRACE_GETVFPREGS) && defined(PTRACE_SETVFPREGS)
441 int ptrace_getvfpregs = PTRACE_GETVFPREGS;
442 int ptrace_setvfpregs = PTRACE_SETVFPREGS;
443#else
444 int ptrace_getvfpregs = -1;
445 int ptrace_setvfpregs = -1;
446#endif
447 int ptrace_geteventmsg = PTRACE_GETEVENTMSG;
448#if (defined(PTRACE_GETSIGINFO) && defined(PTRACE_SETSIGINFO)) || \
449 (defined(PT_GETSIGINFO) && defined(PT_SETSIGINFO))
450 int ptrace_getsiginfo = PTRACE_GETSIGINFO;
451 int ptrace_setsiginfo = PTRACE_SETSIGINFO;
452#else
453 int ptrace_getsiginfo = -1;
454 int ptrace_setsiginfo = -1;
455#endif // PTRACE_GETSIGINFO/PTRACE_SETSIGINFO
456#if defined(PTRACE_GETREGSET) && defined(PTRACE_SETREGSET)
457 int ptrace_getregset = PTRACE_GETREGSET;
458 int ptrace_setregset = PTRACE_SETREGSET;
459#else
460 int ptrace_getregset = -1;
461 int ptrace_setregset = -1;
462#endif // PTRACE_GETREGSET/PTRACE_SETREGSET
463#endif
464
465 unsigned path_max = PATH_MAX;
466
467 // ioctl arguments
468 unsigned struct_ifreq_sz = sizeof(struct ifreq);
469 unsigned struct_termios_sz = sizeof(struct termios);
470 unsigned struct_winsize_sz = sizeof(struct winsize);
471
472#if SANITIZER_LINUX
473 unsigned struct_arpreq_sz = sizeof(struct arpreq);
474 unsigned struct_cdrom_msf_sz = sizeof(struct cdrom_msf);
475 unsigned struct_cdrom_multisession_sz = sizeof(struct cdrom_multisession);
476 unsigned struct_cdrom_read_audio_sz = sizeof(struct cdrom_read_audio);
477 unsigned struct_cdrom_subchnl_sz = sizeof(struct cdrom_subchnl);
478 unsigned struct_cdrom_ti_sz = sizeof(struct cdrom_ti);
479 unsigned struct_cdrom_tocentry_sz = sizeof(struct cdrom_tocentry);
480 unsigned struct_cdrom_tochdr_sz = sizeof(struct cdrom_tochdr);
481 unsigned struct_cdrom_volctrl_sz = sizeof(struct cdrom_volctrl);
482 unsigned struct_ff_effect_sz = sizeof(struct ff_effect);
483 unsigned struct_floppy_drive_params_sz = sizeof(struct floppy_drive_params);
484 unsigned struct_floppy_drive_struct_sz = sizeof(struct floppy_drive_struct);
485 unsigned struct_floppy_fdc_state_sz = sizeof(struct floppy_fdc_state);
486 unsigned struct_floppy_max_errors_sz = sizeof(struct floppy_max_errors);
487 unsigned struct_floppy_raw_cmd_sz = sizeof(struct floppy_raw_cmd);
488 unsigned struct_floppy_struct_sz = sizeof(struct floppy_struct);
489 unsigned struct_floppy_write_errors_sz = sizeof(struct floppy_write_errors);
490 unsigned struct_format_descr_sz = sizeof(struct format_descr);
491 unsigned struct_hd_driveid_sz = sizeof(struct hd_driveid);
492 unsigned struct_hd_geometry_sz = sizeof(struct hd_geometry);
493 unsigned struct_input_absinfo_sz = sizeof(struct input_absinfo);
494 unsigned struct_input_id_sz = sizeof(struct input_id);
495 unsigned struct_mtpos_sz = sizeof(struct mtpos);
496 unsigned struct_rtentry_sz = sizeof(struct rtentry);
497 unsigned struct_vt_consize_sz = sizeof(struct vt_consize);
498 unsigned struct_vt_sizes_sz = sizeof(struct vt_sizes);
499 unsigned struct_vt_stat_sz = sizeof(struct vt_stat);
500#endif // SANITIZER_LINUX
501
502#if SANITIZER_LINUX
503#if SOUND_VERSION >= 0x040000
504 unsigned struct_copr_buffer_sz = 0;
505 unsigned struct_copr_debug_buf_sz = 0;
506 unsigned struct_copr_msg_sz = 0;
507#else
508 unsigned struct_copr_buffer_sz = sizeof(struct copr_buffer);
509 unsigned struct_copr_debug_buf_sz = sizeof(struct copr_debug_buf);
510 unsigned struct_copr_msg_sz = sizeof(struct copr_msg);
511#endif
512 unsigned struct_midi_info_sz = sizeof(struct midi_info);
513 unsigned struct_mtget_sz = sizeof(struct mtget);
514 unsigned struct_mtop_sz = sizeof(struct mtop);
515 unsigned struct_sbi_instrument_sz = sizeof(struct sbi_instrument);
516 unsigned struct_seq_event_rec_sz = sizeof(struct seq_event_rec);
517 unsigned struct_synth_info_sz = sizeof(struct synth_info);
518 unsigned struct_vt_mode_sz = sizeof(struct vt_mode);
519#endif // SANITIZER_LINUX
520
521#if SANITIZER_GLIBC
522 unsigned struct_ax25_parms_struct_sz = sizeof(struct ax25_parms_struct);
523#if EV_VERSION > (0x010000)
524 unsigned struct_input_keymap_entry_sz = sizeof(struct input_keymap_entry);
525#else
526 unsigned struct_input_keymap_entry_sz = 0;
527#endif
528 unsigned struct_ipx_config_data_sz = sizeof(struct ipx_config_data);
529 unsigned struct_kbdiacrs_sz = sizeof(struct kbdiacrs);
530 unsigned struct_kbentry_sz = sizeof(struct kbentry);
531 unsigned struct_kbkeycode_sz = sizeof(struct kbkeycode);
532 unsigned struct_kbsentry_sz = sizeof(struct kbsentry);
533 unsigned struct_mtconfiginfo_sz = sizeof(struct mtconfiginfo);
534 unsigned struct_nr_parms_struct_sz = sizeof(struct nr_parms_struct);
535 unsigned struct_scc_modem_sz = sizeof(struct scc_modem);
536 unsigned struct_scc_stat_sz = sizeof(struct scc_stat);
537 unsigned struct_serial_multiport_struct_sz
538 = sizeof(struct serial_multiport_struct);
539 unsigned struct_serial_struct_sz = sizeof(struct serial_struct);
540 unsigned struct_sockaddr_ax25_sz = sizeof(struct sockaddr_ax25);
541 unsigned struct_unimapdesc_sz = sizeof(struct unimapdesc);
542 unsigned struct_unimapinit_sz = sizeof(struct unimapinit);
543
544 unsigned struct_audio_buf_info_sz = sizeof(struct audio_buf_info);
545 unsigned struct_ppp_stats_sz = sizeof(struct ppp_stats);
546 unsigned struct_sock_fprog_sz = sizeof(struct sock_fprog);
547# endif // SANITIZER_GLIBC
548
549# if !SANITIZER_ANDROID && !SANITIZER_APPLE && !SANITIZER_HAIKU
550 unsigned struct_sioc_sg_req_sz = sizeof(struct sioc_sg_req);
551 unsigned struct_sioc_vif_req_sz = sizeof(struct sioc_vif_req);
552#endif
553
554 unsigned fpos_t_sz = sizeof(fpos_t);
555
556 const unsigned long __sanitizer_bufsiz = BUFSIZ;
557
558 const unsigned IOCTL_NOT_PRESENT = 0;
559
560 unsigned IOCTL_FIONBIO = FIONBIO;
561#if !SANITIZER_HAIKU
562 unsigned IOCTL_FIOASYNC = FIOASYNC;
563 unsigned IOCTL_FIOCLEX = FIOCLEX;
564 unsigned IOCTL_FIOGETOWN = FIOGETOWN;
565 unsigned IOCTL_FIONCLEX = FIONCLEX;
566 unsigned IOCTL_FIOSETOWN = FIOSETOWN;
567#endif
568 unsigned IOCTL_SIOCADDMULTI = SIOCADDMULTI;
569 unsigned IOCTL_SIOCATMARK = SIOCATMARK;
570 unsigned IOCTL_SIOCDELMULTI = SIOCDELMULTI;
571 unsigned IOCTL_SIOCGIFADDR = SIOCGIFADDR;
572 unsigned IOCTL_SIOCGIFBRDADDR = SIOCGIFBRDADDR;
573 unsigned IOCTL_SIOCGIFCONF = SIOCGIFCONF;
574 unsigned IOCTL_SIOCGIFDSTADDR = SIOCGIFDSTADDR;
575 unsigned IOCTL_SIOCGIFFLAGS = SIOCGIFFLAGS;
576 unsigned IOCTL_SIOCGIFMETRIC = SIOCGIFMETRIC;
577 unsigned IOCTL_SIOCGIFMTU = SIOCGIFMTU;
578 unsigned IOCTL_SIOCGIFNETMASK = SIOCGIFNETMASK;
579 unsigned IOCTL_SIOCGPGRP = SIOCGPGRP;
580 unsigned IOCTL_SIOCSIFADDR = SIOCSIFADDR;
581 unsigned IOCTL_SIOCSIFBRDADDR = SIOCSIFBRDADDR;
582 unsigned IOCTL_SIOCSIFDSTADDR = SIOCSIFDSTADDR;
583 unsigned IOCTL_SIOCSIFFLAGS = SIOCSIFFLAGS;
584 unsigned IOCTL_SIOCSIFMETRIC = SIOCSIFMETRIC;
585 unsigned IOCTL_SIOCSIFMTU = SIOCSIFMTU;
586 unsigned IOCTL_SIOCSIFNETMASK = SIOCSIFNETMASK;
587 unsigned IOCTL_SIOCSPGRP = SIOCSPGRP;
588
589#if !SANITIZER_HAIKU
590 unsigned IOCTL_TIOCCONS = TIOCCONS;
591 unsigned IOCTL_TIOCGETD = TIOCGETD;
592 unsigned IOCTL_TIOCNOTTY = TIOCNOTTY;
593 unsigned IOCTL_TIOCPKT = TIOCPKT;
594 unsigned IOCTL_TIOCSETD = TIOCSETD;
595 unsigned IOCTL_TIOCSTI = TIOCSTI;
596#endif
597
598 unsigned IOCTL_TIOCEXCL = TIOCEXCL;
599 unsigned IOCTL_TIOCGPGRP = TIOCGPGRP;
600 unsigned IOCTL_TIOCGWINSZ = TIOCGWINSZ;
601 unsigned IOCTL_TIOCMBIC = TIOCMBIC;
602 unsigned IOCTL_TIOCMBIS = TIOCMBIS;
603 unsigned IOCTL_TIOCMGET = TIOCMGET;
604 unsigned IOCTL_TIOCMSET = TIOCMSET;
605 unsigned IOCTL_TIOCNXCL = TIOCNXCL;
606 unsigned IOCTL_TIOCOUTQ = TIOCOUTQ;
607 unsigned IOCTL_TIOCSCTTY = TIOCSCTTY;
608 unsigned IOCTL_TIOCSPGRP = TIOCSPGRP;
609 unsigned IOCTL_TIOCSWINSZ = TIOCSWINSZ;
610#if SANITIZER_LINUX && !SANITIZER_ANDROID
611 unsigned IOCTL_SIOCGETSGCNT = SIOCGETSGCNT;
612 unsigned IOCTL_SIOCGETVIFCNT = SIOCGETVIFCNT;
613#endif
614
615#if SANITIZER_LINUX
616 unsigned IOCTL_EVIOCGABS = EVIOCGABS(0);
617 unsigned IOCTL_EVIOCGBIT = EVIOCGBIT(0, 0);
618 unsigned IOCTL_EVIOCGEFFECTS = EVIOCGEFFECTS;
619 unsigned IOCTL_EVIOCGID = EVIOCGID;
620 unsigned IOCTL_EVIOCGKEY = EVIOCGKEY(0);
621 unsigned IOCTL_EVIOCGKEYCODE = EVIOCGKEYCODE;
622 unsigned IOCTL_EVIOCGLED = EVIOCGLED(0);
623 unsigned IOCTL_EVIOCGNAME = EVIOCGNAME(0);
624 unsigned IOCTL_EVIOCGPHYS = EVIOCGPHYS(0);
625 unsigned IOCTL_EVIOCGRAB = EVIOCGRAB;
626 unsigned IOCTL_EVIOCGREP = EVIOCGREP;
627 unsigned IOCTL_EVIOCGSND = EVIOCGSND(0);
628 unsigned IOCTL_EVIOCGSW = EVIOCGSW(0);
629 unsigned IOCTL_EVIOCGUNIQ = EVIOCGUNIQ(0);
630 unsigned IOCTL_EVIOCGVERSION = EVIOCGVERSION;
631 unsigned IOCTL_EVIOCRMFF = EVIOCRMFF;
632 unsigned IOCTL_EVIOCSABS = EVIOCSABS(0);
633 unsigned IOCTL_EVIOCSFF = EVIOCSFF;
634 unsigned IOCTL_EVIOCSKEYCODE = EVIOCSKEYCODE;
635 unsigned IOCTL_EVIOCSREP = EVIOCSREP;
636 unsigned IOCTL_BLKFLSBUF = BLKFLSBUF;
637 unsigned IOCTL_BLKGETSIZE = BLKGETSIZE;
638 unsigned IOCTL_BLKRAGET = BLKRAGET;
639 unsigned IOCTL_BLKRASET = BLKRASET;
640 unsigned IOCTL_BLKROGET = BLKROGET;
641 unsigned IOCTL_BLKROSET = BLKROSET;
642 unsigned IOCTL_BLKRRPART = BLKRRPART;
643 unsigned IOCTL_BLKFRASET = BLKFRASET;
644 unsigned IOCTL_BLKFRAGET = BLKFRAGET;
645 unsigned IOCTL_BLKSECTSET = BLKSECTSET;
646 unsigned IOCTL_BLKSECTGET = BLKSECTGET;
647 unsigned IOCTL_BLKSSZGET = BLKSSZGET;
648 unsigned IOCTL_BLKBSZGET = BLKBSZGET;
649 unsigned IOCTL_BLKBSZSET = BLKBSZSET;
650 unsigned IOCTL_BLKGETSIZE64 = BLKGETSIZE64;
651 unsigned IOCTL_CDROMAUDIOBUFSIZ = CDROMAUDIOBUFSIZ;
652 unsigned IOCTL_CDROMEJECT = CDROMEJECT;
653 unsigned IOCTL_CDROMEJECT_SW = CDROMEJECT_SW;
654 unsigned IOCTL_CDROMMULTISESSION = CDROMMULTISESSION;
655 unsigned IOCTL_CDROMPAUSE = CDROMPAUSE;
656 unsigned IOCTL_CDROMPLAYMSF = CDROMPLAYMSF;
657 unsigned IOCTL_CDROMPLAYTRKIND = CDROMPLAYTRKIND;
658 unsigned IOCTL_CDROMREADAUDIO = CDROMREADAUDIO;
659 unsigned IOCTL_CDROMREADCOOKED = CDROMREADCOOKED;
660 unsigned IOCTL_CDROMREADMODE1 = CDROMREADMODE1;
661 unsigned IOCTL_CDROMREADMODE2 = CDROMREADMODE2;
662 unsigned IOCTL_CDROMREADRAW = CDROMREADRAW;
663 unsigned IOCTL_CDROMREADTOCENTRY = CDROMREADTOCENTRY;
664 unsigned IOCTL_CDROMREADTOCHDR = CDROMREADTOCHDR;
665 unsigned IOCTL_CDROMRESET = CDROMRESET;
666 unsigned IOCTL_CDROMRESUME = CDROMRESUME;
667 unsigned IOCTL_CDROMSEEK = CDROMSEEK;
668 unsigned IOCTL_CDROMSTART = CDROMSTART;
669 unsigned IOCTL_CDROMSTOP = CDROMSTOP;
670 unsigned IOCTL_CDROMSUBCHNL = CDROMSUBCHNL;
671 unsigned IOCTL_CDROMVOLCTRL = CDROMVOLCTRL;
672 unsigned IOCTL_CDROMVOLREAD = CDROMVOLREAD;
673 unsigned IOCTL_CDROM_GET_UPC = CDROM_GET_UPC;
674 unsigned IOCTL_FDCLRPRM = FDCLRPRM;
675 unsigned IOCTL_FDDEFPRM = FDDEFPRM;
676 unsigned IOCTL_FDFLUSH = FDFLUSH;
677 unsigned IOCTL_FDFMTBEG = FDFMTBEG;
678 unsigned IOCTL_FDFMTEND = FDFMTEND;
679 unsigned IOCTL_FDFMTTRK = FDFMTTRK;
680 unsigned IOCTL_FDGETDRVPRM = FDGETDRVPRM;
681 unsigned IOCTL_FDGETDRVSTAT = FDGETDRVSTAT;
682 unsigned IOCTL_FDGETDRVTYP = FDGETDRVTYP;
683 unsigned IOCTL_FDGETFDCSTAT = FDGETFDCSTAT;
684 unsigned IOCTL_FDGETMAXERRS = FDGETMAXERRS;
685 unsigned IOCTL_FDGETPRM = FDGETPRM;
686 unsigned IOCTL_FDMSGOFF = FDMSGOFF;
687 unsigned IOCTL_FDMSGON = FDMSGON;
688 unsigned IOCTL_FDPOLLDRVSTAT = FDPOLLDRVSTAT;
689 unsigned IOCTL_FDRAWCMD = FDRAWCMD;
690 unsigned IOCTL_FDRESET = FDRESET;
691 unsigned IOCTL_FDSETDRVPRM = FDSETDRVPRM;
692 unsigned IOCTL_FDSETEMSGTRESH = FDSETEMSGTRESH;
693 unsigned IOCTL_FDSETMAXERRS = FDSETMAXERRS;
694 unsigned IOCTL_FDSETPRM = FDSETPRM;
695 unsigned IOCTL_FDTWADDLE = FDTWADDLE;
696 unsigned IOCTL_FDWERRORCLR = FDWERRORCLR;
697 unsigned IOCTL_FDWERRORGET = FDWERRORGET;
698 unsigned IOCTL_HDIO_DRIVE_CMD = HDIO_DRIVE_CMD;
699 unsigned IOCTL_HDIO_GETGEO = HDIO_GETGEO;
700 unsigned IOCTL_HDIO_GET_32BIT = HDIO_GET_32BIT;
701 unsigned IOCTL_HDIO_GET_DMA = HDIO_GET_DMA;
702 unsigned IOCTL_HDIO_GET_IDENTITY = HDIO_GET_IDENTITY;
703 unsigned IOCTL_HDIO_GET_KEEPSETTINGS = HDIO_GET_KEEPSETTINGS;
704 unsigned IOCTL_HDIO_GET_MULTCOUNT = HDIO_GET_MULTCOUNT;
705 unsigned IOCTL_HDIO_GET_NOWERR = HDIO_GET_NOWERR;
706 unsigned IOCTL_HDIO_GET_UNMASKINTR = HDIO_GET_UNMASKINTR;
707 unsigned IOCTL_HDIO_SET_32BIT = HDIO_SET_32BIT;
708 unsigned IOCTL_HDIO_SET_DMA = HDIO_SET_DMA;
709 unsigned IOCTL_HDIO_SET_KEEPSETTINGS = HDIO_SET_KEEPSETTINGS;
710 unsigned IOCTL_HDIO_SET_MULTCOUNT = HDIO_SET_MULTCOUNT;
711 unsigned IOCTL_HDIO_SET_NOWERR = HDIO_SET_NOWERR;
712 unsigned IOCTL_HDIO_SET_UNMASKINTR = HDIO_SET_UNMASKINTR;
713 unsigned IOCTL_MTIOCPOS = MTIOCPOS;
714 unsigned IOCTL_PPPIOCGASYNCMAP = PPPIOCGASYNCMAP;
715 unsigned IOCTL_PPPIOCGDEBUG = PPPIOCGDEBUG;
716 unsigned IOCTL_PPPIOCGFLAGS = PPPIOCGFLAGS;
717 unsigned IOCTL_PPPIOCGUNIT = PPPIOCGUNIT;
718 unsigned IOCTL_PPPIOCGXASYNCMAP = PPPIOCGXASYNCMAP;
719 unsigned IOCTL_PPPIOCSASYNCMAP = PPPIOCSASYNCMAP;
720 unsigned IOCTL_PPPIOCSDEBUG = PPPIOCSDEBUG;
721 unsigned IOCTL_PPPIOCSFLAGS = PPPIOCSFLAGS;
722 unsigned IOCTL_PPPIOCSMAXCID = PPPIOCSMAXCID;
723 unsigned IOCTL_PPPIOCSMRU = PPPIOCSMRU;
724 unsigned IOCTL_PPPIOCSXASYNCMAP = PPPIOCSXASYNCMAP;
725 unsigned IOCTL_SIOCADDRT = SIOCADDRT;
726 unsigned IOCTL_SIOCDARP = SIOCDARP;
727 unsigned IOCTL_SIOCDELRT = SIOCDELRT;
728 unsigned IOCTL_SIOCDRARP = SIOCDRARP;
729 unsigned IOCTL_SIOCGARP = SIOCGARP;
730 unsigned IOCTL_SIOCGIFENCAP = SIOCGIFENCAP;
731 unsigned IOCTL_SIOCGIFHWADDR = SIOCGIFHWADDR;
732 unsigned IOCTL_SIOCGIFMAP = SIOCGIFMAP;
733 unsigned IOCTL_SIOCGIFMEM = SIOCGIFMEM;
734 unsigned IOCTL_SIOCGIFNAME = SIOCGIFNAME;
735 unsigned IOCTL_SIOCGIFSLAVE = SIOCGIFSLAVE;
736 unsigned IOCTL_SIOCGRARP = SIOCGRARP;
737 unsigned IOCTL_SIOCGSTAMP = SIOCGSTAMP;
738 unsigned IOCTL_SIOCSARP = SIOCSARP;
739 unsigned IOCTL_SIOCSIFENCAP = SIOCSIFENCAP;
740 unsigned IOCTL_SIOCSIFHWADDR = SIOCSIFHWADDR;
741 unsigned IOCTL_SIOCSIFLINK = SIOCSIFLINK;
742 unsigned IOCTL_SIOCSIFMAP = SIOCSIFMAP;
743 unsigned IOCTL_SIOCSIFMEM = SIOCSIFMEM;
744 unsigned IOCTL_SIOCSIFSLAVE = SIOCSIFSLAVE;
745 unsigned IOCTL_SIOCSRARP = SIOCSRARP;
746# if SOUND_VERSION >= 0x040000
747 unsigned IOCTL_SNDCTL_COPR_HALT = IOCTL_NOT_PRESENT;
748 unsigned IOCTL_SNDCTL_COPR_LOAD = IOCTL_NOT_PRESENT;
749 unsigned IOCTL_SNDCTL_COPR_RCODE = IOCTL_NOT_PRESENT;
750 unsigned IOCTL_SNDCTL_COPR_RCVMSG = IOCTL_NOT_PRESENT;
751 unsigned IOCTL_SNDCTL_COPR_RDATA = IOCTL_NOT_PRESENT;
752 unsigned IOCTL_SNDCTL_COPR_RESET = IOCTL_NOT_PRESENT;
753 unsigned IOCTL_SNDCTL_COPR_RUN = IOCTL_NOT_PRESENT;
754 unsigned IOCTL_SNDCTL_COPR_SENDMSG = IOCTL_NOT_PRESENT;
755 unsigned IOCTL_SNDCTL_COPR_WCODE = IOCTL_NOT_PRESENT;
756 unsigned IOCTL_SNDCTL_COPR_WDATA = IOCTL_NOT_PRESENT;
757 unsigned IOCTL_SOUND_PCM_READ_BITS = IOCTL_NOT_PRESENT;
758 unsigned IOCTL_SOUND_PCM_READ_CHANNELS = IOCTL_NOT_PRESENT;
759 unsigned IOCTL_SOUND_PCM_READ_FILTER = IOCTL_NOT_PRESENT;
760 unsigned IOCTL_SOUND_PCM_READ_RATE = IOCTL_NOT_PRESENT;
761 unsigned IOCTL_SOUND_PCM_WRITE_CHANNELS = IOCTL_NOT_PRESENT;
762 unsigned IOCTL_SOUND_PCM_WRITE_FILTER = IOCTL_NOT_PRESENT;
763# else // SOUND_VERSION
764 unsigned IOCTL_SNDCTL_COPR_HALT = SNDCTL_COPR_HALT;
765 unsigned IOCTL_SNDCTL_COPR_LOAD = SNDCTL_COPR_LOAD;
766 unsigned IOCTL_SNDCTL_COPR_RCODE = SNDCTL_COPR_RCODE;
767 unsigned IOCTL_SNDCTL_COPR_RCVMSG = SNDCTL_COPR_RCVMSG;
768 unsigned IOCTL_SNDCTL_COPR_RDATA = SNDCTL_COPR_RDATA;
769 unsigned IOCTL_SNDCTL_COPR_RESET = SNDCTL_COPR_RESET;
770 unsigned IOCTL_SNDCTL_COPR_RUN = SNDCTL_COPR_RUN;
771 unsigned IOCTL_SNDCTL_COPR_SENDMSG = SNDCTL_COPR_SENDMSG;
772 unsigned IOCTL_SNDCTL_COPR_WCODE = SNDCTL_COPR_WCODE;
773 unsigned IOCTL_SNDCTL_COPR_WDATA = SNDCTL_COPR_WDATA;
774 unsigned IOCTL_SOUND_PCM_READ_BITS = SOUND_PCM_READ_BITS;
775 unsigned IOCTL_SOUND_PCM_READ_CHANNELS = SOUND_PCM_READ_CHANNELS;
776 unsigned IOCTL_SOUND_PCM_READ_FILTER = SOUND_PCM_READ_FILTER;
777 unsigned IOCTL_SOUND_PCM_READ_RATE = SOUND_PCM_READ_RATE;
778 unsigned IOCTL_SOUND_PCM_WRITE_CHANNELS = SOUND_PCM_WRITE_CHANNELS;
779 unsigned IOCTL_SOUND_PCM_WRITE_FILTER = SOUND_PCM_WRITE_FILTER;
780#endif // SOUND_VERSION
781 unsigned IOCTL_TCFLSH = TCFLSH;
782 unsigned IOCTL_TCGETA = TCGETA;
783 unsigned IOCTL_TCGETS = TCGETS;
784 unsigned IOCTL_TCSBRK = TCSBRK;
785 unsigned IOCTL_TCSBRKP = TCSBRKP;
786 unsigned IOCTL_TCSETA = TCSETA;
787 unsigned IOCTL_TCSETAF = TCSETAF;
788 unsigned IOCTL_TCSETAW = TCSETAW;
789 unsigned IOCTL_TCSETS = TCSETS;
790 unsigned IOCTL_TCSETSF = TCSETSF;
791 unsigned IOCTL_TCSETSW = TCSETSW;
792 unsigned IOCTL_TCXONC = TCXONC;
793 unsigned IOCTL_TIOCGLCKTRMIOS = TIOCGLCKTRMIOS;
794 unsigned IOCTL_TIOCGSOFTCAR = TIOCGSOFTCAR;
795 unsigned IOCTL_TIOCINQ = TIOCINQ;
796 unsigned IOCTL_TIOCLINUX = TIOCLINUX;
797 unsigned IOCTL_TIOCSERCONFIG = TIOCSERCONFIG;
798 unsigned IOCTL_TIOCSERGETLSR = TIOCSERGETLSR;
799 unsigned IOCTL_TIOCSERGWILD = TIOCSERGWILD;
800 unsigned IOCTL_TIOCSERSWILD = TIOCSERSWILD;
801 unsigned IOCTL_TIOCSLCKTRMIOS = TIOCSLCKTRMIOS;
802 unsigned IOCTL_TIOCSSOFTCAR = TIOCSSOFTCAR;
803 unsigned IOCTL_VT_DISALLOCATE = VT_DISALLOCATE;
804 unsigned IOCTL_VT_GETSTATE = VT_GETSTATE;
805 unsigned IOCTL_VT_RESIZE = VT_RESIZE;
806 unsigned IOCTL_VT_RESIZEX = VT_RESIZEX;
807 unsigned IOCTL_VT_SENDSIG = VT_SENDSIG;
808 unsigned IOCTL_MTIOCGET = MTIOCGET;
809 unsigned IOCTL_MTIOCTOP = MTIOCTOP;
810 unsigned IOCTL_SNDCTL_DSP_GETBLKSIZE = SNDCTL_DSP_GETBLKSIZE;
811 unsigned IOCTL_SNDCTL_DSP_GETFMTS = SNDCTL_DSP_GETFMTS;
812 unsigned IOCTL_SNDCTL_DSP_NONBLOCK = SNDCTL_DSP_NONBLOCK;
813 unsigned IOCTL_SNDCTL_DSP_POST = SNDCTL_DSP_POST;
814 unsigned IOCTL_SNDCTL_DSP_RESET = SNDCTL_DSP_RESET;
815 unsigned IOCTL_SNDCTL_DSP_SETFMT = SNDCTL_DSP_SETFMT;
816 unsigned IOCTL_SNDCTL_DSP_SETFRAGMENT = SNDCTL_DSP_SETFRAGMENT;
817 unsigned IOCTL_SNDCTL_DSP_SPEED = SNDCTL_DSP_SPEED;
818 unsigned IOCTL_SNDCTL_DSP_STEREO = SNDCTL_DSP_STEREO;
819 unsigned IOCTL_SNDCTL_DSP_SUBDIVIDE = SNDCTL_DSP_SUBDIVIDE;
820 unsigned IOCTL_SNDCTL_DSP_SYNC = SNDCTL_DSP_SYNC;
821 unsigned IOCTL_SNDCTL_FM_4OP_ENABLE = SNDCTL_FM_4OP_ENABLE;
822 unsigned IOCTL_SNDCTL_FM_LOAD_INSTR = SNDCTL_FM_LOAD_INSTR;
823 unsigned IOCTL_SNDCTL_MIDI_INFO = SNDCTL_MIDI_INFO;
824 unsigned IOCTL_SNDCTL_MIDI_PRETIME = SNDCTL_MIDI_PRETIME;
825 unsigned IOCTL_SNDCTL_SEQ_CTRLRATE = SNDCTL_SEQ_CTRLRATE;
826 unsigned IOCTL_SNDCTL_SEQ_GETINCOUNT = SNDCTL_SEQ_GETINCOUNT;
827 unsigned IOCTL_SNDCTL_SEQ_GETOUTCOUNT = SNDCTL_SEQ_GETOUTCOUNT;
828 unsigned IOCTL_SNDCTL_SEQ_NRMIDIS = SNDCTL_SEQ_NRMIDIS;
829 unsigned IOCTL_SNDCTL_SEQ_NRSYNTHS = SNDCTL_SEQ_NRSYNTHS;
830 unsigned IOCTL_SNDCTL_SEQ_OUTOFBAND = SNDCTL_SEQ_OUTOFBAND;
831 unsigned IOCTL_SNDCTL_SEQ_PANIC = SNDCTL_SEQ_PANIC;
832 unsigned IOCTL_SNDCTL_SEQ_PERCMODE = SNDCTL_SEQ_PERCMODE;
833 unsigned IOCTL_SNDCTL_SEQ_RESET = SNDCTL_SEQ_RESET;
834 unsigned IOCTL_SNDCTL_SEQ_RESETSAMPLES = SNDCTL_SEQ_RESETSAMPLES;
835 unsigned IOCTL_SNDCTL_SEQ_SYNC = SNDCTL_SEQ_SYNC;
836 unsigned IOCTL_SNDCTL_SEQ_TESTMIDI = SNDCTL_SEQ_TESTMIDI;
837 unsigned IOCTL_SNDCTL_SEQ_THRESHOLD = SNDCTL_SEQ_THRESHOLD;
838 unsigned IOCTL_SNDCTL_SYNTH_INFO = SNDCTL_SYNTH_INFO;
839 unsigned IOCTL_SNDCTL_SYNTH_MEMAVL = SNDCTL_SYNTH_MEMAVL;
840 unsigned IOCTL_SNDCTL_TMR_CONTINUE = SNDCTL_TMR_CONTINUE;
841 unsigned IOCTL_SNDCTL_TMR_METRONOME = SNDCTL_TMR_METRONOME;
842 unsigned IOCTL_SNDCTL_TMR_SELECT = SNDCTL_TMR_SELECT;
843 unsigned IOCTL_SNDCTL_TMR_SOURCE = SNDCTL_TMR_SOURCE;
844 unsigned IOCTL_SNDCTL_TMR_START = SNDCTL_TMR_START;
845 unsigned IOCTL_SNDCTL_TMR_STOP = SNDCTL_TMR_STOP;
846 unsigned IOCTL_SNDCTL_TMR_TEMPO = SNDCTL_TMR_TEMPO;
847 unsigned IOCTL_SNDCTL_TMR_TIMEBASE = SNDCTL_TMR_TIMEBASE;
848 unsigned IOCTL_SOUND_MIXER_READ_ALTPCM = SOUND_MIXER_READ_ALTPCM;
849 unsigned IOCTL_SOUND_MIXER_READ_BASS = SOUND_MIXER_READ_BASS;
850 unsigned IOCTL_SOUND_MIXER_READ_CAPS = SOUND_MIXER_READ_CAPS;
851 unsigned IOCTL_SOUND_MIXER_READ_CD = SOUND_MIXER_READ_CD;
852 unsigned IOCTL_SOUND_MIXER_READ_DEVMASK = SOUND_MIXER_READ_DEVMASK;
853 unsigned IOCTL_SOUND_MIXER_READ_ENHANCE = SOUND_MIXER_READ_ENHANCE;
854 unsigned IOCTL_SOUND_MIXER_READ_IGAIN = SOUND_MIXER_READ_IGAIN;
855 unsigned IOCTL_SOUND_MIXER_READ_IMIX = SOUND_MIXER_READ_IMIX;
856 unsigned IOCTL_SOUND_MIXER_READ_LINE = SOUND_MIXER_READ_LINE;
857 unsigned IOCTL_SOUND_MIXER_READ_LINE1 = SOUND_MIXER_READ_LINE1;
858 unsigned IOCTL_SOUND_MIXER_READ_LINE2 = SOUND_MIXER_READ_LINE2;
859 unsigned IOCTL_SOUND_MIXER_READ_LINE3 = SOUND_MIXER_READ_LINE3;
860 unsigned IOCTL_SOUND_MIXER_READ_LOUD = SOUND_MIXER_READ_LOUD;
861 unsigned IOCTL_SOUND_MIXER_READ_MIC = SOUND_MIXER_READ_MIC;
862 unsigned IOCTL_SOUND_MIXER_READ_MUTE = SOUND_MIXER_READ_MUTE;
863 unsigned IOCTL_SOUND_MIXER_READ_OGAIN = SOUND_MIXER_READ_OGAIN;
864 unsigned IOCTL_SOUND_MIXER_READ_PCM = SOUND_MIXER_READ_PCM;
865 unsigned IOCTL_SOUND_MIXER_READ_RECLEV = SOUND_MIXER_READ_RECLEV;
866 unsigned IOCTL_SOUND_MIXER_READ_RECMASK = SOUND_MIXER_READ_RECMASK;
867 unsigned IOCTL_SOUND_MIXER_READ_RECSRC = SOUND_MIXER_READ_RECSRC;
868 unsigned IOCTL_SOUND_MIXER_READ_SPEAKER = SOUND_MIXER_READ_SPEAKER;
869 unsigned IOCTL_SOUND_MIXER_READ_STEREODEVS = SOUND_MIXER_READ_STEREODEVS;
870 unsigned IOCTL_SOUND_MIXER_READ_SYNTH = SOUND_MIXER_READ_SYNTH;
871 unsigned IOCTL_SOUND_MIXER_READ_TREBLE = SOUND_MIXER_READ_TREBLE;
872 unsigned IOCTL_SOUND_MIXER_READ_VOLUME = SOUND_MIXER_READ_VOLUME;
873 unsigned IOCTL_SOUND_MIXER_WRITE_ALTPCM = SOUND_MIXER_WRITE_ALTPCM;
874 unsigned IOCTL_SOUND_MIXER_WRITE_BASS = SOUND_MIXER_WRITE_BASS;
875 unsigned IOCTL_SOUND_MIXER_WRITE_CD = SOUND_MIXER_WRITE_CD;
876 unsigned IOCTL_SOUND_MIXER_WRITE_ENHANCE = SOUND_MIXER_WRITE_ENHANCE;
877 unsigned IOCTL_SOUND_MIXER_WRITE_IGAIN = SOUND_MIXER_WRITE_IGAIN;
878 unsigned IOCTL_SOUND_MIXER_WRITE_IMIX = SOUND_MIXER_WRITE_IMIX;
879 unsigned IOCTL_SOUND_MIXER_WRITE_LINE = SOUND_MIXER_WRITE_LINE;
880 unsigned IOCTL_SOUND_MIXER_WRITE_LINE1 = SOUND_MIXER_WRITE_LINE1;
881 unsigned IOCTL_SOUND_MIXER_WRITE_LINE2 = SOUND_MIXER_WRITE_LINE2;
882 unsigned IOCTL_SOUND_MIXER_WRITE_LINE3 = SOUND_MIXER_WRITE_LINE3;
883 unsigned IOCTL_SOUND_MIXER_WRITE_LOUD = SOUND_MIXER_WRITE_LOUD;
884 unsigned IOCTL_SOUND_MIXER_WRITE_MIC = SOUND_MIXER_WRITE_MIC;
885 unsigned IOCTL_SOUND_MIXER_WRITE_MUTE = SOUND_MIXER_WRITE_MUTE;
886 unsigned IOCTL_SOUND_MIXER_WRITE_OGAIN = SOUND_MIXER_WRITE_OGAIN;
887 unsigned IOCTL_SOUND_MIXER_WRITE_PCM = SOUND_MIXER_WRITE_PCM;
888 unsigned IOCTL_SOUND_MIXER_WRITE_RECLEV = SOUND_MIXER_WRITE_RECLEV;
889 unsigned IOCTL_SOUND_MIXER_WRITE_RECSRC = SOUND_MIXER_WRITE_RECSRC;
890 unsigned IOCTL_SOUND_MIXER_WRITE_SPEAKER = SOUND_MIXER_WRITE_SPEAKER;
891 unsigned IOCTL_SOUND_MIXER_WRITE_SYNTH = SOUND_MIXER_WRITE_SYNTH;
892 unsigned IOCTL_SOUND_MIXER_WRITE_TREBLE = SOUND_MIXER_WRITE_TREBLE;
893 unsigned IOCTL_SOUND_MIXER_WRITE_VOLUME = SOUND_MIXER_WRITE_VOLUME;
894 unsigned IOCTL_VT_ACTIVATE = VT_ACTIVATE;
895 unsigned IOCTL_VT_GETMODE = VT_GETMODE;
896 unsigned IOCTL_VT_OPENQRY = VT_OPENQRY;
897 unsigned IOCTL_VT_RELDISP = VT_RELDISP;
898 unsigned IOCTL_VT_SETMODE = VT_SETMODE;
899 unsigned IOCTL_VT_WAITACTIVE = VT_WAITACTIVE;
900#endif // SANITIZER_LINUX
901
902#if SANITIZER_LINUX && !SANITIZER_ANDROID
903 unsigned IOCTL_EQL_EMANCIPATE = EQL_EMANCIPATE;
904 unsigned IOCTL_EQL_ENSLAVE = EQL_ENSLAVE;
905 unsigned IOCTL_EQL_GETMASTRCFG = EQL_GETMASTRCFG;
906 unsigned IOCTL_EQL_GETSLAVECFG = EQL_GETSLAVECFG;
907 unsigned IOCTL_EQL_SETMASTRCFG = EQL_SETMASTRCFG;
908 unsigned IOCTL_EQL_SETSLAVECFG = EQL_SETSLAVECFG;
909#if EV_VERSION > (0x010000)
910 unsigned IOCTL_EVIOCGKEYCODE_V2 = EVIOCGKEYCODE_V2;
911 unsigned IOCTL_EVIOCGPROP = EVIOCGPROP(0);
912 unsigned IOCTL_EVIOCSKEYCODE_V2 = EVIOCSKEYCODE_V2;
913#else
914 unsigned IOCTL_EVIOCGKEYCODE_V2 = IOCTL_NOT_PRESENT;
915 unsigned IOCTL_EVIOCGPROP = IOCTL_NOT_PRESENT;
916 unsigned IOCTL_EVIOCSKEYCODE_V2 = IOCTL_NOT_PRESENT;
917#endif
918 unsigned IOCTL_FS_IOC_GETFLAGS = _IOR('f', 1, long);
919 unsigned IOCTL_FS_IOC_GETVERSION = _IOR('v', 1, long);
920 unsigned IOCTL_FS_IOC_SETFLAGS = _IOW('f', 2, long);
921 unsigned IOCTL_FS_IOC_SETVERSION = _IOW('v', 2, long);
922 unsigned IOCTL_GIO_CMAP = GIO_CMAP;
923 unsigned IOCTL_GIO_FONT = GIO_FONT;
924 unsigned IOCTL_GIO_UNIMAP = GIO_UNIMAP;
925 unsigned IOCTL_GIO_UNISCRNMAP = GIO_UNISCRNMAP;
926 unsigned IOCTL_KDADDIO = KDADDIO;
927 unsigned IOCTL_KDDELIO = KDDELIO;
928 unsigned IOCTL_KDGETKEYCODE = KDGETKEYCODE;
929 unsigned IOCTL_KDGKBDIACR = KDGKBDIACR;
930 unsigned IOCTL_KDGKBENT = KDGKBENT;
931 unsigned IOCTL_KDGKBLED = KDGKBLED;
932 unsigned IOCTL_KDGKBMETA = KDGKBMETA;
933 unsigned IOCTL_KDGKBSENT = KDGKBSENT;
934 unsigned IOCTL_KDMAPDISP = KDMAPDISP;
935 unsigned IOCTL_KDSETKEYCODE = KDSETKEYCODE;
936 unsigned IOCTL_KDSIGACCEPT = KDSIGACCEPT;
937 unsigned IOCTL_KDSKBDIACR = KDSKBDIACR;
938 unsigned IOCTL_KDSKBENT = KDSKBENT;
939 unsigned IOCTL_KDSKBLED = KDSKBLED;
940 unsigned IOCTL_KDSKBMETA = KDSKBMETA;
941 unsigned IOCTL_KDSKBSENT = KDSKBSENT;
942 unsigned IOCTL_KDUNMAPDISP = KDUNMAPDISP;
943 unsigned IOCTL_LPABORT = LPABORT;
944 unsigned IOCTL_LPABORTOPEN = LPABORTOPEN;
945 unsigned IOCTL_LPCAREFUL = LPCAREFUL;
946 unsigned IOCTL_LPCHAR = LPCHAR;
947 unsigned IOCTL_LPGETIRQ = LPGETIRQ;
948 unsigned IOCTL_LPGETSTATUS = LPGETSTATUS;
949 unsigned IOCTL_LPRESET = LPRESET;
950 unsigned IOCTL_LPSETIRQ = LPSETIRQ;
951 unsigned IOCTL_LPTIME = LPTIME;
952 unsigned IOCTL_LPWAIT = LPWAIT;
953 unsigned IOCTL_MTIOCGETCONFIG = MTIOCGETCONFIG;
954 unsigned IOCTL_MTIOCSETCONFIG = MTIOCSETCONFIG;
955 unsigned IOCTL_PIO_CMAP = PIO_CMAP;
956 unsigned IOCTL_PIO_FONT = PIO_FONT;
957 unsigned IOCTL_PIO_UNIMAP = PIO_UNIMAP;
958 unsigned IOCTL_PIO_UNIMAPCLR = PIO_UNIMAPCLR;
959 unsigned IOCTL_PIO_UNISCRNMAP = PIO_UNISCRNMAP;
960#if SANITIZER_GLIBC
961 unsigned IOCTL_SCSI_IOCTL_GET_IDLUN = SCSI_IOCTL_GET_IDLUN;
962 unsigned IOCTL_SCSI_IOCTL_PROBE_HOST = SCSI_IOCTL_PROBE_HOST;
963 unsigned IOCTL_SCSI_IOCTL_TAGGED_DISABLE = SCSI_IOCTL_TAGGED_DISABLE;
964 unsigned IOCTL_SCSI_IOCTL_TAGGED_ENABLE = SCSI_IOCTL_TAGGED_ENABLE;
965 unsigned IOCTL_SIOCAIPXITFCRT = SIOCAIPXITFCRT;
966 unsigned IOCTL_SIOCAIPXPRISLT = SIOCAIPXPRISLT;
967 unsigned IOCTL_SIOCAX25ADDUID = SIOCAX25ADDUID;
968 unsigned IOCTL_SIOCAX25DELUID = SIOCAX25DELUID;
969 unsigned IOCTL_SIOCAX25GETPARMS = SIOCAX25GETPARMS;
970 unsigned IOCTL_SIOCAX25GETUID = SIOCAX25GETUID;
971 unsigned IOCTL_SIOCAX25NOUID = SIOCAX25NOUID;
972 unsigned IOCTL_SIOCAX25SETPARMS = SIOCAX25SETPARMS;
973 unsigned IOCTL_SIOCDEVPLIP = SIOCDEVPLIP;
974 unsigned IOCTL_SIOCIPXCFGDATA = SIOCIPXCFGDATA;
975 unsigned IOCTL_SIOCNRDECOBS = SIOCNRDECOBS;
976 unsigned IOCTL_SIOCNRGETPARMS = SIOCNRGETPARMS;
977 unsigned IOCTL_SIOCNRRTCTL = SIOCNRRTCTL;
978 unsigned IOCTL_SIOCNRSETPARMS = SIOCNRSETPARMS;
979#endif
980 unsigned IOCTL_TIOCGSERIAL = TIOCGSERIAL;
981 unsigned IOCTL_TIOCSERGETMULTI = TIOCSERGETMULTI;
982 unsigned IOCTL_TIOCSERSETMULTI = TIOCSERSETMULTI;
983 unsigned IOCTL_TIOCSSERIAL = TIOCSSERIAL;
984#endif // SANITIZER_LINUX && !SANITIZER_ANDROID
985
986#if SANITIZER_LINUX && !SANITIZER_ANDROID
987 unsigned IOCTL_GIO_SCRNMAP = GIO_SCRNMAP;
988 unsigned IOCTL_KDDISABIO = KDDISABIO;
989 unsigned IOCTL_KDENABIO = KDENABIO;
990 unsigned IOCTL_KDGETLED = KDGETLED;
991 unsigned IOCTL_KDGETMODE = KDGETMODE;
992 unsigned IOCTL_KDGKBMODE = KDGKBMODE;
993 unsigned IOCTL_KDGKBTYPE = KDGKBTYPE;
994 unsigned IOCTL_KDMKTONE = KDMKTONE;
995 unsigned IOCTL_KDSETLED = KDSETLED;
996 unsigned IOCTL_KDSETMODE = KDSETMODE;
997 unsigned IOCTL_KDSKBMODE = KDSKBMODE;
998 unsigned IOCTL_KIOCSOUND = KIOCSOUND;
999 unsigned IOCTL_PIO_SCRNMAP = PIO_SCRNMAP;
1000 unsigned IOCTL_SNDCTL_DSP_GETISPACE = SNDCTL_DSP_GETISPACE;
1001 unsigned IOCTL_SNDCTL_DSP_GETOSPACE = SNDCTL_DSP_GETOSPACE;
1002#endif // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
1003
1004 const int si_SEGV_MAPERR = SEGV_MAPERR;
1005 const int si_SEGV_ACCERR = SEGV_ACCERR;
1006} // namespace __sanitizer
1007
1008using namespace __sanitizer;
1009
1010COMPILER_CHECK(sizeof(__sanitizer_pthread_attr_t) >= sizeof(pthread_attr_t));
1011
1012COMPILER_CHECK(sizeof(socklen_t) == sizeof(unsigned));
1013CHECK_TYPE_SIZE(pthread_key_t);
1014
1015#if SANITIZER_LINUX
1016// FIXME: We define those on Linux and Mac, but only check on Linux.
1017COMPILER_CHECK(IOC_NRBITS == _IOC_NRBITS);
1018COMPILER_CHECK(IOC_TYPEBITS == _IOC_TYPEBITS);
1019COMPILER_CHECK(IOC_SIZEBITS == _IOC_SIZEBITS);
1020COMPILER_CHECK(IOC_DIRBITS == _IOC_DIRBITS);
1021COMPILER_CHECK(IOC_NRMASK == _IOC_NRMASK);
1022COMPILER_CHECK(IOC_TYPEMASK == _IOC_TYPEMASK);
1023COMPILER_CHECK(IOC_SIZEMASK == _IOC_SIZEMASK);
1024COMPILER_CHECK(IOC_DIRMASK == _IOC_DIRMASK);
1025COMPILER_CHECK(IOC_NRSHIFT == _IOC_NRSHIFT);
1026COMPILER_CHECK(IOC_TYPESHIFT == _IOC_TYPESHIFT);
1027COMPILER_CHECK(IOC_SIZESHIFT == _IOC_SIZESHIFT);
1028COMPILER_CHECK(IOC_DIRSHIFT == _IOC_DIRSHIFT);
1029COMPILER_CHECK(IOC_NONE == _IOC_NONE);
1030COMPILER_CHECK(IOC_WRITE == _IOC_WRITE);
1031COMPILER_CHECK(IOC_READ == _IOC_READ);
1032COMPILER_CHECK(EVIOC_ABS_MAX == ABS_MAX);
1033COMPILER_CHECK(EVIOC_EV_MAX == EV_MAX);
1034COMPILER_CHECK(IOC_SIZE(0x12345678) == _IOC_SIZE(0x12345678));
1035COMPILER_CHECK(IOC_DIR(0x12345678) == _IOC_DIR(0x12345678));
1036COMPILER_CHECK(IOC_NR(0x12345678) == _IOC_NR(0x12345678));
1037COMPILER_CHECK(IOC_TYPE(0x12345678) == _IOC_TYPE(0x12345678));
1038#endif // SANITIZER_LINUX
1039
1040#if SANITIZER_LINUX || SANITIZER_FREEBSD
1041// There are more undocumented fields in dl_phdr_info that we are not interested
1042// in.
1043COMPILER_CHECK(sizeof(__sanitizer_dl_phdr_info) <= sizeof(dl_phdr_info));
1044CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_addr);
1045CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_name);
1046CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phdr);
1047CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phnum);
1048#endif // SANITIZER_LINUX || SANITIZER_FREEBSD
1049
1050#if SANITIZER_GLIBC || SANITIZER_FREEBSD
1051CHECK_TYPE_SIZE(glob_t);
1052CHECK_SIZE_AND_OFFSET(glob_t, gl_pathc);
1053CHECK_SIZE_AND_OFFSET(glob_t, gl_pathv);
1054CHECK_SIZE_AND_OFFSET(glob_t, gl_offs);
1055CHECK_SIZE_AND_OFFSET(glob_t, gl_flags);
1056CHECK_SIZE_AND_OFFSET(glob_t, gl_closedir);
1057CHECK_SIZE_AND_OFFSET(glob_t, gl_readdir);
1058CHECK_SIZE_AND_OFFSET(glob_t, gl_opendir);
1059CHECK_SIZE_AND_OFFSET(glob_t, gl_lstat);
1060CHECK_SIZE_AND_OFFSET(glob_t, gl_stat);
1061#endif // SANITIZER_GLIBC || SANITIZER_FREEBSD
1062
1063CHECK_TYPE_SIZE(addrinfo);
1064CHECK_SIZE_AND_OFFSET(addrinfo, ai_flags);
1065CHECK_SIZE_AND_OFFSET(addrinfo, ai_family);
1066CHECK_SIZE_AND_OFFSET(addrinfo, ai_socktype);
1067CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol);
1068CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol);
1069CHECK_SIZE_AND_OFFSET(addrinfo, ai_addrlen);
1070CHECK_SIZE_AND_OFFSET(addrinfo, ai_canonname);
1071CHECK_SIZE_AND_OFFSET(addrinfo, ai_addr);
1072
1073CHECK_TYPE_SIZE(hostent);
1074CHECK_SIZE_AND_OFFSET(hostent, h_name);
1075CHECK_SIZE_AND_OFFSET(hostent, h_aliases);
1076CHECK_SIZE_AND_OFFSET(hostent, h_addrtype);
1077CHECK_SIZE_AND_OFFSET(hostent, h_length);
1078CHECK_SIZE_AND_OFFSET(hostent, h_addr_list);
1079
1080CHECK_TYPE_SIZE(iovec);
1081CHECK_SIZE_AND_OFFSET(iovec, iov_base);
1082CHECK_SIZE_AND_OFFSET(iovec, iov_len);
1083
1084// In POSIX, int msg_iovlen; socklen_t msg_controllen; socklen_t cmsg_len; but
1085// many implementations don't conform to the standard. Since we pick the
1086// non-conforming glibc definition, exclude the checks for musl (incompatible
1087// sizes but compatible offsets).
1088CHECK_TYPE_SIZE(msghdr);
1089CHECK_SIZE_AND_OFFSET(msghdr, msg_name);
1090CHECK_SIZE_AND_OFFSET(msghdr, msg_namelen);
1091CHECK_SIZE_AND_OFFSET(msghdr, msg_iov);
1092#if SANITIZER_GLIBC || SANITIZER_ANDROID
1093CHECK_SIZE_AND_OFFSET(msghdr, msg_iovlen);
1094#endif
1095CHECK_SIZE_AND_OFFSET(msghdr, msg_control);
1096#if SANITIZER_GLIBC || SANITIZER_ANDROID
1097CHECK_SIZE_AND_OFFSET(msghdr, msg_controllen);
1098#endif
1099CHECK_SIZE_AND_OFFSET(msghdr, msg_flags);
1100
1101CHECK_TYPE_SIZE(cmsghdr);
1102#if SANITIZER_GLIBC || SANITIZER_ANDROID
1103CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_len);
1104#endif
1105CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_level);
1106CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_type);
1107
1108# if SANITIZER_LINUX && (SANITIZER_ANDROID || __GLIBC_PREREQ(2, 14))
1109CHECK_TYPE_SIZE(mmsghdr);
1110CHECK_SIZE_AND_OFFSET(mmsghdr, msg_hdr);
1111CHECK_SIZE_AND_OFFSET(mmsghdr, msg_len);
1112#endif
1113
1114COMPILER_CHECK(sizeof(__sanitizer_dirent) <= sizeof(dirent));
1115CHECK_SIZE_AND_OFFSET(dirent, d_ino);
1116#if SANITIZER_APPLE
1117CHECK_SIZE_AND_OFFSET(dirent, d_seekoff);
1118#elif SANITIZER_FREEBSD || SANITIZER_HAIKU
1119// There is no 'd_off' field on FreeBSD.
1120#else
1121CHECK_SIZE_AND_OFFSET(dirent, d_off);
1122#endif
1123CHECK_SIZE_AND_OFFSET(dirent, d_reclen);
1124
1125#if SANITIZER_GLIBC
1126COMPILER_CHECK(sizeof(__sanitizer_dirent64) <= sizeof(dirent64));
1127CHECK_SIZE_AND_OFFSET(dirent64, d_ino);
1128CHECK_SIZE_AND_OFFSET(dirent64, d_off);
1129CHECK_SIZE_AND_OFFSET(dirent64, d_reclen);
1130#endif
1131
1132CHECK_TYPE_SIZE(ifconf);
1133CHECK_SIZE_AND_OFFSET(ifconf, ifc_len);
1134#if !SANITIZER_HAIKU
1135CHECK_SIZE_AND_OFFSET(ifconf, ifc_ifcu);
1136#endif
1137
1138CHECK_TYPE_SIZE(pollfd);
1139CHECK_SIZE_AND_OFFSET(pollfd, fd);
1140CHECK_SIZE_AND_OFFSET(pollfd, events);
1141CHECK_SIZE_AND_OFFSET(pollfd, revents);
1142
1143CHECK_TYPE_SIZE(nfds_t);
1144
1145CHECK_TYPE_SIZE(sigset_t);
1146
1147COMPILER_CHECK(sizeof(__sanitizer_sigaction) == sizeof(struct sigaction));
1148// Can't write checks for sa_handler and sa_sigaction due to them being
1149// preprocessor macros.
1150CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_mask);
1151#if !defined(__s390x__) || __GLIBC_PREREQ (2, 20)
1152// On s390x glibc 2.19 and earlier sa_flags was unsigned long, and sa_resv
1153// didn't exist.
1154CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_flags);
1155#endif
1156#if SANITIZER_LINUX && (!SANITIZER_ANDROID || !SANITIZER_MIPS32)
1157CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_restorer);
1158#endif
1159
1160#if SANITIZER_HAS_SIGINFO
1161COMPILER_CHECK(alignof(siginfo_t) == alignof(__sanitizer_siginfo));
1162using __sanitizer_siginfo_t = __sanitizer_siginfo;
1163CHECK_TYPE_SIZE(siginfo_t);
1164CHECK_SIZE_AND_OFFSET(siginfo_t, si_signo);
1165CHECK_SIZE_AND_OFFSET(siginfo_t, si_errno);
1166CHECK_SIZE_AND_OFFSET(siginfo_t, si_code);
1167#endif
1168
1169#if SANITIZER_LINUX
1170CHECK_TYPE_SIZE(__sysctl_args);
1171CHECK_SIZE_AND_OFFSET(__sysctl_args, name);
1172CHECK_SIZE_AND_OFFSET(__sysctl_args, nlen);
1173CHECK_SIZE_AND_OFFSET(__sysctl_args, oldval);
1174CHECK_SIZE_AND_OFFSET(__sysctl_args, oldlenp);
1175CHECK_SIZE_AND_OFFSET(__sysctl_args, newval);
1176CHECK_SIZE_AND_OFFSET(__sysctl_args, newlen);
1177
1178CHECK_TYPE_SIZE(__kernel_uid_t);
1179CHECK_TYPE_SIZE(__kernel_gid_t);
1180
1181#if SANITIZER_USES_UID16_SYSCALLS
1182CHECK_TYPE_SIZE(__kernel_old_uid_t);
1183CHECK_TYPE_SIZE(__kernel_old_gid_t);
1184#endif
1185
1186CHECK_TYPE_SIZE(__kernel_off_t);
1187CHECK_TYPE_SIZE(__kernel_loff_t);
1188CHECK_TYPE_SIZE(__kernel_fd_set);
1189#endif
1190
1191#if !SANITIZER_ANDROID && !SANITIZER_HAIKU
1192CHECK_TYPE_SIZE(wordexp_t);
1193CHECK_SIZE_AND_OFFSET(wordexp_t, we_wordc);
1194CHECK_SIZE_AND_OFFSET(wordexp_t, we_wordv);
1195CHECK_SIZE_AND_OFFSET(wordexp_t, we_offs);
1196#endif
1197
1198CHECK_TYPE_SIZE(tm);
1199CHECK_SIZE_AND_OFFSET(tm, tm_sec);
1200CHECK_SIZE_AND_OFFSET(tm, tm_min);
1201CHECK_SIZE_AND_OFFSET(tm, tm_hour);
1202CHECK_SIZE_AND_OFFSET(tm, tm_mday);
1203CHECK_SIZE_AND_OFFSET(tm, tm_mon);
1204CHECK_SIZE_AND_OFFSET(tm, tm_year);
1205CHECK_SIZE_AND_OFFSET(tm, tm_wday);
1206CHECK_SIZE_AND_OFFSET(tm, tm_yday);
1207CHECK_SIZE_AND_OFFSET(tm, tm_isdst);
1208CHECK_SIZE_AND_OFFSET(tm, tm_gmtoff);
1209CHECK_SIZE_AND_OFFSET(tm, tm_zone);
1210
1211#if SANITIZER_LINUX
1212CHECK_TYPE_SIZE(mntent);
1213CHECK_SIZE_AND_OFFSET(mntent, mnt_fsname);
1214CHECK_SIZE_AND_OFFSET(mntent, mnt_dir);
1215CHECK_SIZE_AND_OFFSET(mntent, mnt_type);
1216CHECK_SIZE_AND_OFFSET(mntent, mnt_opts);
1217CHECK_SIZE_AND_OFFSET(mntent, mnt_freq);
1218CHECK_SIZE_AND_OFFSET(mntent, mnt_passno);
1219#endif
1220
1221#if !SANITIZER_HAIKU
1222CHECK_TYPE_SIZE(ether_addr);
1223#endif
1224
1225#if SANITIZER_GLIBC || SANITIZER_FREEBSD
1226CHECK_TYPE_SIZE(ipc_perm);
1227# if SANITIZER_FREEBSD
1228CHECK_SIZE_AND_OFFSET(ipc_perm, key);
1229CHECK_SIZE_AND_OFFSET(ipc_perm, seq);
1230# else
1231CHECK_SIZE_AND_OFFSET(ipc_perm, __key);
1232CHECK_SIZE_AND_OFFSET(ipc_perm, __seq);
1233# endif
1234CHECK_SIZE_AND_OFFSET(ipc_perm, uid);
1235CHECK_SIZE_AND_OFFSET(ipc_perm, gid);
1236CHECK_SIZE_AND_OFFSET(ipc_perm, cuid);
1237CHECK_SIZE_AND_OFFSET(ipc_perm, cgid);
1238#if !SANITIZER_LINUX || __GLIBC_PREREQ (2, 31)
1239/* glibc 2.30 and earlier provided 16-bit mode field instead of 32-bit
1240 on many architectures. */
1241CHECK_SIZE_AND_OFFSET(ipc_perm, mode);
1242#endif
1243
1244CHECK_TYPE_SIZE(shmid_ds);
1245CHECK_SIZE_AND_OFFSET(shmid_ds, shm_perm);
1246CHECK_SIZE_AND_OFFSET(shmid_ds, shm_segsz);
1247CHECK_SIZE_AND_OFFSET(shmid_ds, shm_atime);
1248CHECK_SIZE_AND_OFFSET(shmid_ds, shm_dtime);
1249CHECK_SIZE_AND_OFFSET(shmid_ds, shm_ctime);
1250CHECK_SIZE_AND_OFFSET(shmid_ds, shm_cpid);
1251CHECK_SIZE_AND_OFFSET(shmid_ds, shm_lpid);
1252CHECK_SIZE_AND_OFFSET(shmid_ds, shm_nattch);
1253#endif
1254
1255CHECK_TYPE_SIZE(clock_t);
1256
1257#if SANITIZER_LINUX
1258CHECK_TYPE_SIZE(clockid_t);
1259#endif
1260
1261#if !SANITIZER_ANDROID && !SANITIZER_HAIKU
1262CHECK_TYPE_SIZE(ifaddrs);
1263CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_next);
1264CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_name);
1265CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_addr);
1266CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_netmask);
1267#if SANITIZER_LINUX || SANITIZER_FREEBSD
1268// Compare against the union, because we can't reach into the union in a
1269// compliant way.
1270#ifdef ifa_dstaddr
1271#undef ifa_dstaddr
1272#endif
1273# if SANITIZER_FREEBSD
1274CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_dstaddr);
1275# else
1276COMPILER_CHECK(sizeof(((__sanitizer_ifaddrs *)nullptr)->ifa_dstaddr) ==
1277 sizeof(((ifaddrs *)nullptr)->ifa_ifu));
1278COMPILER_CHECK(offsetof(__sanitizer_ifaddrs, ifa_dstaddr) ==
1279 offsetof(ifaddrs, ifa_ifu));
1280# endif // SANITIZER_FREEBSD
1281#else
1282CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_dstaddr);
1283#endif // SANITIZER_LINUX
1284CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_data);
1285#endif
1286
1287#if SANITIZER_GLIBC || SANITIZER_ANDROID
1288COMPILER_CHECK(sizeof(__sanitizer_struct_mallinfo) == sizeof(struct mallinfo));
1289#endif
1290
1291#if !SANITIZER_ANDROID
1292CHECK_TYPE_SIZE(timeb);
1293CHECK_SIZE_AND_OFFSET(timeb, time);
1294CHECK_SIZE_AND_OFFSET(timeb, millitm);
1295CHECK_SIZE_AND_OFFSET(timeb, timezone);
1296CHECK_SIZE_AND_OFFSET(timeb, dstflag);
1297#endif
1298
1299CHECK_TYPE_SIZE(passwd);
1300CHECK_SIZE_AND_OFFSET(passwd, pw_name);
1301CHECK_SIZE_AND_OFFSET(passwd, pw_passwd);
1302CHECK_SIZE_AND_OFFSET(passwd, pw_uid);
1303CHECK_SIZE_AND_OFFSET(passwd, pw_gid);
1304CHECK_SIZE_AND_OFFSET(passwd, pw_dir);
1305CHECK_SIZE_AND_OFFSET(passwd, pw_shell);
1306
1307#if !SANITIZER_ANDROID
1308CHECK_SIZE_AND_OFFSET(passwd, pw_gecos);
1309#endif
1310
1311#if SANITIZER_APPLE
1312CHECK_SIZE_AND_OFFSET(passwd, pw_change);
1313CHECK_SIZE_AND_OFFSET(passwd, pw_expire);
1314CHECK_SIZE_AND_OFFSET(passwd, pw_class);
1315#endif
1316
1317
1318CHECK_TYPE_SIZE(group);
1319CHECK_SIZE_AND_OFFSET(group, gr_name);
1320CHECK_SIZE_AND_OFFSET(group, gr_passwd);
1321CHECK_SIZE_AND_OFFSET(group, gr_gid);
1322CHECK_SIZE_AND_OFFSET(group, gr_mem);
1323
1324#if HAVE_RPC_XDR_H && !SANITIZER_APPLE
1325CHECK_TYPE_SIZE(XDR);
1326CHECK_SIZE_AND_OFFSET(XDR, x_op);
1327CHECK_SIZE_AND_OFFSET(XDR, x_ops);
1328CHECK_SIZE_AND_OFFSET(XDR, x_public);
1329CHECK_SIZE_AND_OFFSET(XDR, x_private);
1330CHECK_SIZE_AND_OFFSET(XDR, x_base);
1331CHECK_SIZE_AND_OFFSET(XDR, x_handy);
1332COMPILER_CHECK(__sanitizer_XDR_ENCODE == XDR_ENCODE);
1333COMPILER_CHECK(__sanitizer_XDR_DECODE == XDR_DECODE);
1334COMPILER_CHECK(__sanitizer_XDR_FREE == XDR_FREE);
1335#endif
1336
1337#if SANITIZER_GLIBC
1338COMPILER_CHECK(sizeof(__sanitizer_FILE) <= sizeof(FILE));
1339CHECK_SIZE_AND_OFFSET(FILE, _flags);
1340CHECK_SIZE_AND_OFFSET(FILE, _IO_read_ptr);
1341CHECK_SIZE_AND_OFFSET(FILE, _IO_read_end);
1342CHECK_SIZE_AND_OFFSET(FILE, _IO_read_base);
1343CHECK_SIZE_AND_OFFSET(FILE, _IO_write_ptr);
1344CHECK_SIZE_AND_OFFSET(FILE, _IO_write_end);
1345CHECK_SIZE_AND_OFFSET(FILE, _IO_write_base);
1346CHECK_SIZE_AND_OFFSET(FILE, _IO_buf_base);
1347CHECK_SIZE_AND_OFFSET(FILE, _IO_buf_end);
1348CHECK_SIZE_AND_OFFSET(FILE, _IO_save_base);
1349CHECK_SIZE_AND_OFFSET(FILE, _IO_backup_base);
1350CHECK_SIZE_AND_OFFSET(FILE, _IO_save_end);
1351CHECK_SIZE_AND_OFFSET(FILE, _markers);
1352CHECK_SIZE_AND_OFFSET(FILE, _chain);
1353CHECK_SIZE_AND_OFFSET(FILE, _fileno);
1354
1355COMPILER_CHECK(sizeof(__sanitizer__obstack_chunk) <= sizeof(_obstack_chunk));
1356CHECK_SIZE_AND_OFFSET(_obstack_chunk, limit);
1357CHECK_SIZE_AND_OFFSET(_obstack_chunk, prev);
1358CHECK_TYPE_SIZE(obstack);
1359CHECK_SIZE_AND_OFFSET(obstack, chunk_size);
1360CHECK_SIZE_AND_OFFSET(obstack, chunk);
1361CHECK_SIZE_AND_OFFSET(obstack, object_base);
1362CHECK_SIZE_AND_OFFSET(obstack, next_free);
1363
1364CHECK_TYPE_SIZE(cookie_io_functions_t);
1365CHECK_SIZE_AND_OFFSET(cookie_io_functions_t, read);
1366CHECK_SIZE_AND_OFFSET(cookie_io_functions_t, write);
1367CHECK_SIZE_AND_OFFSET(cookie_io_functions_t, seek);
1368CHECK_SIZE_AND_OFFSET(cookie_io_functions_t, close);
1369#endif // SANITIZER_GLIBC
1370
1371#if SANITIZER_LINUX || SANITIZER_FREEBSD
1372CHECK_TYPE_SIZE(sem_t);
1373#endif
1374
1375#if SANITIZER_LINUX && defined(__arm__)
1376COMPILER_CHECK(ARM_VFPREGS_SIZE == ARM_VFPREGS_SIZE_ASAN);
1377#endif
1378
1379#endif // SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_APPLE