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 || SANITIZER_AIX
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 && !SANITIZER_AIX
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#include <linux/filter.h>
80#if SANITIZER_ANDROID
81#include <linux/fs.h>
82#endif
83#include <linux/hdreg.h>
84#include <linux/input.h>
85#include <linux/ioctl.h>
86#include <linux/soundcard.h>
87#include <linux/sysctl.h>
88#include <linux/utsname.h>
89#include <linux/posix_types.h>
90#include <net/if_arp.h>
91#endif
92
93#if SANITIZER_IOS
94#undef IOC_DIRMASK
95#endif
96
97#if SANITIZER_LINUX
98# include <utime.h>
99# include <sys/ptrace.h>
100# if defined(__mips64) || defined(__aarch64__) || defined(__arm__) || \
101 defined(__hexagon__) || defined(__loongarch__) || SANITIZER_RISCV64 || \
102 defined(__sparc__) || defined(__powerpc64__)
103# include <asm/ptrace.h>
104# ifdef __arm__
105typedef struct user_fpregs elf_fpregset_t;
106# define ARM_VFPREGS_SIZE_ASAN (32 * 8 /*fpregs*/ + 4 /*fpscr*/)
107# if !defined(ARM_VFPREGS_SIZE)
108# define ARM_VFPREGS_SIZE ARM_VFPREGS_SIZE_ASAN
109# endif
110# endif
111# endif
112# include <semaphore.h>
113#endif
114
115#if !SANITIZER_ANDROID
116# if !SANITIZER_AIX
117# include <ifaddrs.h>
118# else
119# include <netinet/in.h>
120# endif
121# if !SANITIZER_HAIKU
122# include <sys/ucontext.h>
123# include <wordexp.h>
124# endif
125#endif
126
127#if SANITIZER_LINUX
128#if SANITIZER_GLIBC
129#include <fstab.h>
130# include <linux/filter.h>
131# include <net/if_ppp.h>
132# include <netax25/ax25.h>
133# include <netipx/ipx.h>
134# include <netrom/netrom.h>
135# include <obstack.h>
136# if HAVE_RPC_XDR_H
137# include <rpc/xdr.h>
138# endif
139# include <scsi/scsi.h>
140#else
141#include <linux/if_ppp.h>
142#include <linux/kd.h>
143#include <linux/ppp_defs.h>
144#endif // SANITIZER_GLIBC
145
146#if SANITIZER_ANDROID
147#include <linux/mtio.h>
148#else
149#include <glob.h>
150#include <mqueue.h>
151#include <sys/kd.h>
152#include <sys/mtio.h>
153#include <sys/shm.h>
154#include <sys/statvfs.h>
155#include <sys/timex.h>
156#if defined(__mips64)
157# include <sys/procfs.h>
158#endif
159# include <linux/if_eql.h>
160# include <linux/if_plip.h>
161# include <linux/lp.h>
162# include <linux/mroute.h>
163# include <linux/mroute6.h>
164# include <linux/serial.h>
165# include <sys/ipc.h>
166# include <sys/msg.h>
167# include <sys/user.h>
168#endif // SANITIZER_ANDROID
169
170#include <link.h>
171#include <sys/vfs.h>
172#include <sys/epoll.h>
173#include <linux/capability.h>
174#elif !SANITIZER_HAIKU
175#include <fstab.h>
176#endif // SANITIZER_LINUX
177
178#if SANITIZER_APPLE
179#include <net/ethernet.h>
180#include <sys/filio.h>
181#include <sys/sockio.h>
182#endif
183
184#if SANITIZER_HAIKU
185#include <sys/sockio.h>
186#include <sys/ioctl.h>
187#endif
188
189# if SANITIZER_AIX
190# include <netinet/ip_mroute.h>
191# include <stropts.h>
192# include <sys/ioctl.h>
193# include <sys/statfs.h>
194# include <unistd.h>
195# if HAVE_RPC_XDR_H
196# include <tirpc/rpc/xdr.h>
197# endif
198# endif
199
200// Include these after system headers to avoid name clashes and ambiguities.
201# include "sanitizer_common.h"
202# include "sanitizer_internal_defs.h"
203# include "sanitizer_platform_interceptors.h"
204# include "sanitizer_platform_limits_posix.h"
205
206namespace __sanitizer {
207 unsigned struct_utsname_sz = sizeof(struct utsname);
208 unsigned struct_stat_sz = sizeof(struct stat);
209#if SANITIZER_HAS_STAT64
210 unsigned struct_stat64_sz = sizeof(struct stat64);
211#endif // SANITIZER_HAS_STAT64
212 unsigned struct_rusage_sz = sizeof(struct rusage);
213 unsigned struct_tm_sz = sizeof(struct tm);
214 unsigned struct_passwd_sz = sizeof(struct passwd);
215 unsigned struct_group_sz = sizeof(struct group);
216 unsigned siginfo_t_sz = sizeof(siginfo_t);
217 unsigned struct_sigaction_sz = sizeof(struct sigaction);
218 unsigned struct_stack_t_sz = sizeof(stack_t);
219 unsigned struct_itimerval_sz = sizeof(struct itimerval);
220 unsigned pthread_t_sz = sizeof(pthread_t);
221 unsigned pthread_mutex_t_sz = sizeof(pthread_mutex_t);
222 unsigned pthread_cond_t_sz = sizeof(pthread_cond_t);
223 unsigned pid_t_sz = sizeof(pid_t);
224 unsigned timeval_sz = sizeof(timeval);
225 unsigned uid_t_sz = sizeof(uid_t);
226 unsigned gid_t_sz = sizeof(gid_t);
227 unsigned mbstate_t_sz = sizeof(mbstate_t);
228 unsigned sigset_t_sz = sizeof(sigset_t);
229 unsigned struct_timezone_sz = sizeof(struct timezone);
230 unsigned struct_tms_sz = sizeof(struct tms);
231 unsigned struct_sigevent_sz = sizeof(struct sigevent);
232 unsigned struct_sched_param_sz = sizeof(struct sched_param);
233 unsigned struct_regex_sz = sizeof(regex_t);
234 unsigned struct_regmatch_sz = sizeof(regmatch_t);
235
236#if SANITIZER_HAS_STATFS64
237 unsigned struct_statfs64_sz = sizeof(struct statfs64);
238#endif // SANITIZER_HAS_STATFS64
239
240#if SANITIZER_GLIBC || SANITIZER_FREEBSD || SANITIZER_NETBSD || SANITIZER_APPLE
241 unsigned struct_fstab_sz = sizeof(struct fstab);
242#endif // SANITIZER_GLIBC || SANITIZER_FREEBSD || SANITIZER_NETBSD ||
243 // SANITIZER_APPLE
244#if !SANITIZER_ANDROID && !SANITIZER_HAIKU
245 unsigned struct_statfs_sz = sizeof(struct statfs);
246 unsigned struct_sockaddr_sz = sizeof(struct sockaddr);
247
248 unsigned ucontext_t_sz(void *ctx) {
249# if SANITIZER_GLIBC && SANITIZER_X64
250 // Added in Linux kernel 3.4.0, merged to glibc in 2.16
251# ifndef FP_XSTATE_MAGIC1
252# define FP_XSTATE_MAGIC1 0x46505853U
253# endif
254 // See kernel arch/x86/kernel/fpu/signal.c for details.
255 const auto *fpregs = static_cast<ucontext_t *>(ctx)->uc_mcontext.fpregs;
256 // The member names differ across header versions, but the actual layout
257 // is always the same. So avoid using members, just use arithmetic.
258 const uint32_t *after_xmm =
259 reinterpret_cast<const uint32_t *>(fpregs + 1) - 24;
260 if (after_xmm[12] == FP_XSTATE_MAGIC1)
261 return reinterpret_cast<const char *>(fpregs) + after_xmm[13] -
262 static_cast<const char *>(ctx);
263# endif
264 return sizeof(ucontext_t);
265 }
266# endif // !SANITIZER_ANDROID
267
268# if SANITIZER_LINUX
269 unsigned struct_epoll_event_sz = sizeof(struct epoll_event);
270 unsigned struct_sysinfo_sz = sizeof(struct sysinfo);
271 unsigned __user_cap_header_struct_sz =
272 sizeof(struct __user_cap_header_struct);
273 unsigned __user_cap_data_struct_sz(void *hdrp) {
274 int u32s = 0;
275 if (hdrp) {
276 switch (((struct __user_cap_header_struct *)hdrp)->version) {
277 case _LINUX_CAPABILITY_VERSION_1:
278 u32s = _LINUX_CAPABILITY_U32S_1;
279 break;
280 case _LINUX_CAPABILITY_VERSION_2:
281 u32s = _LINUX_CAPABILITY_U32S_2;
282 break;
283 case _LINUX_CAPABILITY_VERSION_3:
284 u32s = _LINUX_CAPABILITY_U32S_3;
285 break;
286 }
287 }
288 return sizeof(struct __user_cap_data_struct) * u32s;
289 }
290 unsigned struct_new_utsname_sz = sizeof(struct new_utsname);
291 unsigned struct_old_utsname_sz = sizeof(struct old_utsname);
292 unsigned struct_oldold_utsname_sz = sizeof(struct oldold_utsname);
293#endif // SANITIZER_LINUX
294
295#if SANITIZER_LINUX
296 unsigned struct_rlimit_sz = sizeof(struct rlimit);
297 unsigned struct_timespec_sz = sizeof(struct timespec);
298 unsigned struct_utimbuf_sz = sizeof(struct utimbuf);
299 unsigned struct_itimerspec_sz = sizeof(struct itimerspec);
300#endif // SANITIZER_LINUX
301
302#if SANITIZER_GLIBC
303 // Use pre-computed size of struct ustat to avoid <sys/ustat.h> which
304 // has been removed from glibc 2.28.
305#if defined(__aarch64__) || defined(__s390x__) || defined(__mips64) || \
306 defined(__powerpc64__) || defined(__arch64__) || defined(__sparcv9) || \
307 defined(__x86_64__) || SANITIZER_RISCV64
308#define SIZEOF_STRUCT_USTAT 32
309# elif defined(__arm__) || defined(__i386__) || defined(__mips__) || \
310 defined(__powerpc__) || defined(__s390__) || defined(__sparc__) || \
311 defined(__hexagon__) || defined(__alpha__)
312# define SIZEOF_STRUCT_USTAT 20
313# elif defined(__loongarch__)
314 // Not used. The minimum Glibc version available for LoongArch is 2.36
315 // so ustat() wrapper is already gone.
316# define SIZEOF_STRUCT_USTAT 0
317# else
318# error Unknown size of struct ustat
319# endif
320 unsigned struct_ustat_sz = SIZEOF_STRUCT_USTAT;
321 unsigned struct_rlimit64_sz = sizeof(struct rlimit64);
322 unsigned struct_statvfs64_sz = sizeof(struct statvfs64);
323# elif SANITIZER_MUSL
324 // On musl, rlimit64 is an alias for rlimit.
325 unsigned struct_rlimit64_sz = sizeof(struct rlimit);
326# endif // SANITIZER_GLIBC
327
328# if SANITIZER_LINUX && !SANITIZER_ANDROID
329 unsigned struct_timex_sz = sizeof(struct timex);
330 unsigned struct_msqid_ds_sz = sizeof(struct msqid_ds);
331 unsigned struct_mq_attr_sz = sizeof(struct mq_attr);
332 unsigned struct_statvfs_sz = sizeof(struct statvfs);
333#endif // SANITIZER_LINUX && !SANITIZER_ANDROID
334
335 const uptr sig_ign = (uptr)SIG_IGN;
336 const uptr sig_dfl = (uptr)SIG_DFL;
337 const uptr sig_err = (uptr)SIG_ERR;
338 const uptr sa_siginfo = (uptr)SA_SIGINFO;
339
340#if SANITIZER_LINUX
341 int e_tabsz = (int)E_TABSZ;
342#endif
343
344
345#if SANITIZER_LINUX && !SANITIZER_ANDROID
346 unsigned struct_shminfo_sz = sizeof(struct shminfo);
347 unsigned struct_shm_info_sz = sizeof(struct shm_info);
348 int shmctl_ipc_stat = (int)IPC_STAT;
349 int shmctl_ipc_info = (int)IPC_INFO;
350 int shmctl_shm_info = (int)SHM_INFO;
351 int shmctl_shm_stat = (int)SHM_STAT;
352#endif
353
354#if !SANITIZER_APPLE && !SANITIZER_FREEBSD && !SANITIZER_HAIKU
355 unsigned struct_utmp_sz = sizeof(struct utmp);
356#endif
357#if !SANITIZER_ANDROID
358 unsigned struct_utmpx_sz = sizeof(struct utmpx);
359#endif
360
361 int map_fixed = MAP_FIXED;
362
363 int af_inet = (int)AF_INET;
364 int af_inet6 = (int)AF_INET6;
365
366 uptr __sanitizer_in_addr_sz(int af) {
367 if (af == AF_INET)
368 return sizeof(struct in_addr);
369 else if (af == AF_INET6)
370 return sizeof(struct in6_addr);
371 else
372 return 0;
373 }
374
375#if SANITIZER_LINUX
376unsigned struct_ElfW_Phdr_sz = sizeof(ElfW(Phdr));
377#elif SANITIZER_FREEBSD
378unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
379#endif
380
381#if SANITIZER_GLIBC
382 int glob_nomatch = GLOB_NOMATCH;
383 int glob_altdirfunc = GLOB_ALTDIRFUNC;
384#endif
385
386# if !SANITIZER_ANDROID && !SANITIZER_HAIKU
387 const int wordexp_wrde_dooffs = WRDE_DOOFFS;
388# endif // !SANITIZER_ANDROID && !SANITIZER_HAIKU
389
390# if SANITIZER_LINUX && !SANITIZER_ANDROID && \
391 (defined(__i386) || defined(__x86_64) || defined(__mips64) || \
392 defined(__powerpc64__) || defined(__aarch64__) || defined(__arm__) || \
393 defined(__s390__) || defined(__loongarch__) || SANITIZER_RISCV64 || \
394 defined(__sparc__))
395# if defined(__mips64) || defined(__powerpc64__) || defined(__arm__)
396 unsigned struct_user_regs_struct_sz = sizeof(struct pt_regs);
397 unsigned struct_user_fpregs_struct_sz = sizeof(elf_fpregset_t);
398#elif SANITIZER_RISCV64
399 unsigned struct_user_regs_struct_sz = sizeof(struct user_regs_struct);
400 unsigned struct_user_fpregs_struct_sz = sizeof(struct __riscv_q_ext_state);
401#elif defined(__aarch64__)
402 unsigned struct_user_regs_struct_sz = sizeof(struct user_pt_regs);
403 unsigned struct_user_fpregs_struct_sz = sizeof(struct user_fpsimd_state);
404#elif defined(__loongarch__)
405 unsigned struct_user_regs_struct_sz = sizeof(struct user_pt_regs);
406 unsigned struct_user_fpregs_struct_sz = sizeof(struct user_fp_state);
407#elif defined(__s390__)
408 unsigned struct_user_regs_struct_sz = sizeof(struct _user_regs_struct);
409 unsigned struct_user_fpregs_struct_sz = sizeof(struct _user_fpregs_struct);
410# elif defined(__sparc__)
411 unsigned struct_user_regs_struct_sz = sizeof(struct sunos_regs);
412 unsigned struct_user_fpregs_struct_sz = sizeof(struct sunos_fp);
413# else
414 unsigned struct_user_regs_struct_sz = sizeof(struct user_regs_struct);
415 unsigned struct_user_fpregs_struct_sz = sizeof(struct user_fpregs_struct);
416# endif // __mips64 || __powerpc64__ || __aarch64__ || __loongarch__
417# if defined(__x86_64) || defined(__mips64) || defined(__powerpc64__) || \
418 defined(__aarch64__) || defined(__arm__) || defined(__s390__) || \
419 defined(__loongarch__) || SANITIZER_RISCV64 || defined(__sparc__)
420 unsigned struct_user_fpxregs_struct_sz = 0;
421#else
422 unsigned struct_user_fpxregs_struct_sz = sizeof(struct user_fpxregs_struct);
423#endif // __x86_64 || __mips64 || __powerpc64__ || __aarch64__ || __arm__
424 // || __s390__ || __loongarch__ || SANITIZER_RISCV64 || __sparc__
425# ifdef __arm__
426 unsigned struct_user_vfpregs_struct_sz = ARM_VFPREGS_SIZE;
427#else
428 unsigned struct_user_vfpregs_struct_sz = 0;
429#endif
430
431 int ptrace_peektext = PTRACE_PEEKTEXT;
432 int ptrace_peekdata = PTRACE_PEEKDATA;
433 int ptrace_peekuser = PTRACE_PEEKUSER;
434#if (defined(PTRACE_GETREGS) && defined(PTRACE_SETREGS)) || \
435 (defined(PT_GETREGS) && defined(PT_SETREGS))
436 int ptrace_getregs = PTRACE_GETREGS;
437 int ptrace_setregs = PTRACE_SETREGS;
438#else
439 int ptrace_getregs = -1;
440 int ptrace_setregs = -1;
441#endif
442#if (defined(PTRACE_GETFPREGS) && defined(PTRACE_SETFPREGS)) || \
443 (defined(PT_GETFPREGS) && defined(PT_SETFPREGS))
444 int ptrace_getfpregs = PTRACE_GETFPREGS;
445 int ptrace_setfpregs = PTRACE_SETFPREGS;
446#else
447 int ptrace_getfpregs = -1;
448 int ptrace_setfpregs = -1;
449#endif
450#if (defined(PTRACE_GETFPXREGS) && defined(PTRACE_SETFPXREGS)) || \
451 (defined(PT_GETFPXREGS) && defined(PT_SETFPXREGS))
452 int ptrace_getfpxregs = PTRACE_GETFPXREGS;
453 int ptrace_setfpxregs = PTRACE_SETFPXREGS;
454#else
455 int ptrace_getfpxregs = -1;
456 int ptrace_setfpxregs = -1;
457#endif // PTRACE_GETFPXREGS/PTRACE_SETFPXREGS
458#if defined(PTRACE_GETVFPREGS) && defined(PTRACE_SETVFPREGS)
459 int ptrace_getvfpregs = PTRACE_GETVFPREGS;
460 int ptrace_setvfpregs = PTRACE_SETVFPREGS;
461#else
462 int ptrace_getvfpregs = -1;
463 int ptrace_setvfpregs = -1;
464#endif
465 int ptrace_geteventmsg = PTRACE_GETEVENTMSG;
466#if (defined(PTRACE_GETSIGINFO) && defined(PTRACE_SETSIGINFO)) || \
467 (defined(PT_GETSIGINFO) && defined(PT_SETSIGINFO))
468 int ptrace_getsiginfo = PTRACE_GETSIGINFO;
469 int ptrace_setsiginfo = PTRACE_SETSIGINFO;
470#else
471 int ptrace_getsiginfo = -1;
472 int ptrace_setsiginfo = -1;
473#endif // PTRACE_GETSIGINFO/PTRACE_SETSIGINFO
474#if defined(PTRACE_GETREGSET) && defined(PTRACE_SETREGSET)
475 int ptrace_getregset = PTRACE_GETREGSET;
476 int ptrace_setregset = PTRACE_SETREGSET;
477#else
478 int ptrace_getregset = -1;
479 int ptrace_setregset = -1;
480#endif // PTRACE_GETREGSET/PTRACE_SETREGSET
481#endif
482
483 unsigned path_max = PATH_MAX;
484
485 // ioctl arguments
486 unsigned struct_ifreq_sz = sizeof(struct ifreq);
487 unsigned struct_termios_sz = sizeof(struct termios);
488 unsigned struct_winsize_sz = sizeof(struct winsize);
489
490#if SANITIZER_LINUX
491 unsigned struct_arpreq_sz = sizeof(struct arpreq);
492 unsigned struct_cdrom_msf_sz = sizeof(struct cdrom_msf);
493 unsigned struct_cdrom_multisession_sz = sizeof(struct cdrom_multisession);
494 unsigned struct_cdrom_read_audio_sz = sizeof(struct cdrom_read_audio);
495 unsigned struct_cdrom_subchnl_sz = sizeof(struct cdrom_subchnl);
496 unsigned struct_cdrom_ti_sz = sizeof(struct cdrom_ti);
497 unsigned struct_cdrom_tocentry_sz = sizeof(struct cdrom_tocentry);
498 unsigned struct_cdrom_tochdr_sz = sizeof(struct cdrom_tochdr);
499 unsigned struct_cdrom_volctrl_sz = sizeof(struct cdrom_volctrl);
500 unsigned struct_ff_effect_sz = sizeof(struct ff_effect);
501 unsigned struct_floppy_drive_params_sz = sizeof(struct floppy_drive_params);
502 unsigned struct_floppy_drive_struct_sz = sizeof(struct floppy_drive_struct);
503 unsigned struct_floppy_fdc_state_sz = sizeof(struct floppy_fdc_state);
504 unsigned struct_floppy_max_errors_sz = sizeof(struct floppy_max_errors);
505 unsigned struct_floppy_raw_cmd_sz = sizeof(struct floppy_raw_cmd);
506 unsigned struct_floppy_struct_sz = sizeof(struct floppy_struct);
507 unsigned struct_floppy_write_errors_sz = sizeof(struct floppy_write_errors);
508 unsigned struct_format_descr_sz = sizeof(struct format_descr);
509 unsigned struct_hd_driveid_sz = sizeof(struct hd_driveid);
510 unsigned struct_hd_geometry_sz = sizeof(struct hd_geometry);
511 unsigned struct_input_absinfo_sz = sizeof(struct input_absinfo);
512 unsigned struct_input_id_sz = sizeof(struct input_id);
513 unsigned struct_mtpos_sz = sizeof(struct mtpos);
514 unsigned struct_rtentry_sz = sizeof(struct rtentry);
515 unsigned struct_vt_consize_sz = sizeof(struct vt_consize);
516 unsigned struct_vt_sizes_sz = sizeof(struct vt_sizes);
517 unsigned struct_vt_stat_sz = sizeof(struct vt_stat);
518#endif // SANITIZER_LINUX
519
520#if SANITIZER_LINUX
521#if SOUND_VERSION >= 0x040000
522 unsigned struct_copr_buffer_sz = 0;
523 unsigned struct_copr_debug_buf_sz = 0;
524 unsigned struct_copr_msg_sz = 0;
525#else
526 unsigned struct_copr_buffer_sz = sizeof(struct copr_buffer);
527 unsigned struct_copr_debug_buf_sz = sizeof(struct copr_debug_buf);
528 unsigned struct_copr_msg_sz = sizeof(struct copr_msg);
529#endif
530 unsigned struct_midi_info_sz = sizeof(struct midi_info);
531 unsigned struct_mtget_sz = sizeof(struct mtget);
532 unsigned struct_mtop_sz = sizeof(struct mtop);
533 unsigned struct_sbi_instrument_sz = sizeof(struct sbi_instrument);
534 unsigned struct_seq_event_rec_sz = sizeof(struct seq_event_rec);
535 unsigned struct_synth_info_sz = sizeof(struct synth_info);
536 unsigned struct_vt_mode_sz = sizeof(struct vt_mode);
537 unsigned struct_sock_fprog_sz = sizeof(struct sock_fprog);
538#endif // SANITIZER_LINUX
539
540#if SANITIZER_GLIBC
541 unsigned struct_ax25_parms_struct_sz = sizeof(struct ax25_parms_struct);
542#if EV_VERSION > (0x010000)
543 unsigned struct_input_keymap_entry_sz = sizeof(struct input_keymap_entry);
544#else
545 unsigned struct_input_keymap_entry_sz = 0;
546#endif
547 unsigned struct_ipx_config_data_sz = sizeof(struct ipx_config_data);
548 unsigned struct_kbdiacrs_sz = sizeof(struct kbdiacrs);
549 unsigned struct_kbentry_sz = sizeof(struct kbentry);
550 unsigned struct_kbkeycode_sz = sizeof(struct kbkeycode);
551 unsigned struct_kbsentry_sz = sizeof(struct kbsentry);
552 unsigned struct_mtconfiginfo_sz = sizeof(struct mtconfiginfo);
553 unsigned struct_nr_parms_struct_sz = sizeof(struct nr_parms_struct);
554 unsigned struct_serial_multiport_struct_sz
555 = sizeof(struct serial_multiport_struct);
556 unsigned struct_serial_struct_sz = sizeof(struct serial_struct);
557 unsigned struct_sockaddr_ax25_sz = sizeof(struct sockaddr_ax25);
558 unsigned struct_unimapdesc_sz = sizeof(struct unimapdesc);
559 unsigned struct_unimapinit_sz = sizeof(struct unimapinit);
560
561 unsigned struct_audio_buf_info_sz = sizeof(struct audio_buf_info);
562 unsigned struct_ppp_stats_sz = sizeof(struct ppp_stats);
563# endif // SANITIZER_GLIBC
564
565# if !SANITIZER_ANDROID && !SANITIZER_APPLE && !SANITIZER_HAIKU
566 unsigned struct_sioc_sg_req_sz = sizeof(struct sioc_sg_req);
567 unsigned struct_sioc_vif_req_sz = sizeof(struct sioc_vif_req);
568#endif
569
570 unsigned fpos_t_sz = sizeof(fpos_t);
571
572 const unsigned long __sanitizer_bufsiz = BUFSIZ;
573
574 const unsigned IOCTL_NOT_PRESENT = 0;
575
576 unsigned IOCTL_FIONBIO = FIONBIO;
577# if !SANITIZER_HAIKU
578 unsigned IOCTL_FIOASYNC = FIOASYNC;
579 unsigned IOCTL_FIOCLEX = FIOCLEX;
580 unsigned IOCTL_FIOGETOWN = FIOGETOWN;
581 unsigned IOCTL_FIONCLEX = FIONCLEX;
582 unsigned IOCTL_FIOSETOWN = FIOSETOWN;
583# endif
584 unsigned IOCTL_SIOCADDMULTI = SIOCADDMULTI;
585 unsigned IOCTL_SIOCATMARK = SIOCATMARK;
586 unsigned IOCTL_SIOCDELMULTI = SIOCDELMULTI;
587 unsigned IOCTL_SIOCGIFADDR = SIOCGIFADDR;
588 unsigned IOCTL_SIOCGIFBRDADDR = SIOCGIFBRDADDR;
589 unsigned IOCTL_SIOCGIFCONF = SIOCGIFCONF;
590 unsigned IOCTL_SIOCGIFDSTADDR = SIOCGIFDSTADDR;
591 unsigned IOCTL_SIOCGIFFLAGS = SIOCGIFFLAGS;
592 unsigned IOCTL_SIOCGIFMETRIC = SIOCGIFMETRIC;
593 unsigned IOCTL_SIOCGIFMTU = SIOCGIFMTU;
594 unsigned IOCTL_SIOCGIFNETMASK = SIOCGIFNETMASK;
595 unsigned IOCTL_SIOCGPGRP = SIOCGPGRP;
596 unsigned IOCTL_SIOCSIFADDR = SIOCSIFADDR;
597 unsigned IOCTL_SIOCSIFBRDADDR = SIOCSIFBRDADDR;
598 unsigned IOCTL_SIOCSIFDSTADDR = SIOCSIFDSTADDR;
599 unsigned IOCTL_SIOCSIFFLAGS = SIOCSIFFLAGS;
600 unsigned IOCTL_SIOCSIFMETRIC = SIOCSIFMETRIC;
601 unsigned IOCTL_SIOCSIFMTU = SIOCSIFMTU;
602 unsigned IOCTL_SIOCSIFNETMASK = SIOCSIFNETMASK;
603 unsigned IOCTL_SIOCSPGRP = SIOCSPGRP;
604
605# if !SANITIZER_HAIKU
606 unsigned IOCTL_TIOCCONS = TIOCCONS;
607 unsigned IOCTL_TIOCGETD = TIOCGETD;
608 unsigned IOCTL_TIOCNOTTY = TIOCNOTTY;
609 unsigned IOCTL_TIOCPKT = TIOCPKT;
610 unsigned IOCTL_TIOCSETD = TIOCSETD;
611 unsigned IOCTL_TIOCSTI = TIOCSTI;
612# endif
613
614 unsigned IOCTL_TIOCEXCL = TIOCEXCL;
615 unsigned IOCTL_TIOCGPGRP = TIOCGPGRP;
616 unsigned IOCTL_TIOCGWINSZ = TIOCGWINSZ;
617 unsigned IOCTL_TIOCMBIC = TIOCMBIC;
618 unsigned IOCTL_TIOCMBIS = TIOCMBIS;
619 unsigned IOCTL_TIOCMGET = TIOCMGET;
620 unsigned IOCTL_TIOCMSET = TIOCMSET;
621 unsigned IOCTL_TIOCNXCL = TIOCNXCL;
622 unsigned IOCTL_TIOCOUTQ = TIOCOUTQ;
623# if !SANITIZER_AIX
624 unsigned IOCTL_TIOCSCTTY = TIOCSCTTY;
625# endif
626 unsigned IOCTL_TIOCSPGRP = TIOCSPGRP;
627 unsigned IOCTL_TIOCSWINSZ = TIOCSWINSZ;
628# if SANITIZER_LINUX && !SANITIZER_ANDROID
629 unsigned IOCTL_SIOCGETSGCNT = SIOCGETSGCNT;
630 unsigned IOCTL_SIOCGETVIFCNT = SIOCGETVIFCNT;
631#endif
632
633#if SANITIZER_LINUX
634 unsigned IOCTL_EVIOCGABS = EVIOCGABS(0);
635 unsigned IOCTL_EVIOCGBIT = EVIOCGBIT(0, 0);
636 unsigned IOCTL_EVIOCGEFFECTS = EVIOCGEFFECTS;
637 unsigned IOCTL_EVIOCGID = EVIOCGID;
638 unsigned IOCTL_EVIOCGKEY = EVIOCGKEY(0);
639 unsigned IOCTL_EVIOCGKEYCODE = EVIOCGKEYCODE;
640 unsigned IOCTL_EVIOCGLED = EVIOCGLED(0);
641 unsigned IOCTL_EVIOCGNAME = EVIOCGNAME(0);
642 unsigned IOCTL_EVIOCGPHYS = EVIOCGPHYS(0);
643 unsigned IOCTL_EVIOCGRAB = EVIOCGRAB;
644 unsigned IOCTL_EVIOCGREP = EVIOCGREP;
645 unsigned IOCTL_EVIOCGSND = EVIOCGSND(0);
646 unsigned IOCTL_EVIOCGSW = EVIOCGSW(0);
647 unsigned IOCTL_EVIOCGUNIQ = EVIOCGUNIQ(0);
648 unsigned IOCTL_EVIOCGVERSION = EVIOCGVERSION;
649 unsigned IOCTL_EVIOCRMFF = EVIOCRMFF;
650 unsigned IOCTL_EVIOCSABS = EVIOCSABS(0);
651 unsigned IOCTL_EVIOCSFF = EVIOCSFF;
652 unsigned IOCTL_EVIOCSKEYCODE = EVIOCSKEYCODE;
653 unsigned IOCTL_EVIOCSREP = EVIOCSREP;
654 unsigned IOCTL_BLKFLSBUF = BLKFLSBUF;
655 unsigned IOCTL_BLKGETSIZE = BLKGETSIZE;
656 unsigned IOCTL_BLKRAGET = BLKRAGET;
657 unsigned IOCTL_BLKRASET = BLKRASET;
658 unsigned IOCTL_BLKROGET = BLKROGET;
659 unsigned IOCTL_BLKROSET = BLKROSET;
660 unsigned IOCTL_BLKRRPART = BLKRRPART;
661 unsigned IOCTL_BLKFRASET = BLKFRASET;
662 unsigned IOCTL_BLKFRAGET = BLKFRAGET;
663 unsigned IOCTL_BLKSECTSET = BLKSECTSET;
664 unsigned IOCTL_BLKSECTGET = BLKSECTGET;
665 unsigned IOCTL_BLKSSZGET = BLKSSZGET;
666 unsigned IOCTL_BLKBSZGET = BLKBSZGET;
667 unsigned IOCTL_BLKBSZSET = BLKBSZSET;
668 unsigned IOCTL_BLKGETSIZE64 = BLKGETSIZE64;
669 unsigned IOCTL_CDROMAUDIOBUFSIZ = CDROMAUDIOBUFSIZ;
670 unsigned IOCTL_CDROMEJECT = CDROMEJECT;
671 unsigned IOCTL_CDROMEJECT_SW = CDROMEJECT_SW;
672 unsigned IOCTL_CDROMMULTISESSION = CDROMMULTISESSION;
673 unsigned IOCTL_CDROMPAUSE = CDROMPAUSE;
674 unsigned IOCTL_CDROMPLAYMSF = CDROMPLAYMSF;
675 unsigned IOCTL_CDROMPLAYTRKIND = CDROMPLAYTRKIND;
676 unsigned IOCTL_CDROMREADAUDIO = CDROMREADAUDIO;
677 unsigned IOCTL_CDROMREADCOOKED = CDROMREADCOOKED;
678 unsigned IOCTL_CDROMREADMODE1 = CDROMREADMODE1;
679 unsigned IOCTL_CDROMREADMODE2 = CDROMREADMODE2;
680 unsigned IOCTL_CDROMREADRAW = CDROMREADRAW;
681 unsigned IOCTL_CDROMREADTOCENTRY = CDROMREADTOCENTRY;
682 unsigned IOCTL_CDROMREADTOCHDR = CDROMREADTOCHDR;
683 unsigned IOCTL_CDROMRESET = CDROMRESET;
684 unsigned IOCTL_CDROMRESUME = CDROMRESUME;
685 unsigned IOCTL_CDROMSEEK = CDROMSEEK;
686 unsigned IOCTL_CDROMSTART = CDROMSTART;
687 unsigned IOCTL_CDROMSTOP = CDROMSTOP;
688 unsigned IOCTL_CDROMSUBCHNL = CDROMSUBCHNL;
689 unsigned IOCTL_CDROMVOLCTRL = CDROMVOLCTRL;
690 unsigned IOCTL_CDROMVOLREAD = CDROMVOLREAD;
691 unsigned IOCTL_CDROM_GET_UPC = CDROM_GET_UPC;
692 unsigned IOCTL_FDCLRPRM = FDCLRPRM;
693 unsigned IOCTL_FDDEFPRM = FDDEFPRM;
694 unsigned IOCTL_FDFLUSH = FDFLUSH;
695 unsigned IOCTL_FDFMTBEG = FDFMTBEG;
696 unsigned IOCTL_FDFMTEND = FDFMTEND;
697 unsigned IOCTL_FDFMTTRK = FDFMTTRK;
698 unsigned IOCTL_FDGETDRVPRM = FDGETDRVPRM;
699 unsigned IOCTL_FDGETDRVSTAT = FDGETDRVSTAT;
700 unsigned IOCTL_FDGETDRVTYP = FDGETDRVTYP;
701 unsigned IOCTL_FDGETFDCSTAT = FDGETFDCSTAT;
702 unsigned IOCTL_FDGETMAXERRS = FDGETMAXERRS;
703 unsigned IOCTL_FDGETPRM = FDGETPRM;
704 unsigned IOCTL_FDMSGOFF = FDMSGOFF;
705 unsigned IOCTL_FDMSGON = FDMSGON;
706 unsigned IOCTL_FDPOLLDRVSTAT = FDPOLLDRVSTAT;
707 unsigned IOCTL_FDRAWCMD = FDRAWCMD;
708 unsigned IOCTL_FDRESET = FDRESET;
709 unsigned IOCTL_FDSETDRVPRM = FDSETDRVPRM;
710 unsigned IOCTL_FDSETEMSGTRESH = FDSETEMSGTRESH;
711 unsigned IOCTL_FDSETMAXERRS = FDSETMAXERRS;
712 unsigned IOCTL_FDSETPRM = FDSETPRM;
713 unsigned IOCTL_FDTWADDLE = FDTWADDLE;
714 unsigned IOCTL_FDWERRORCLR = FDWERRORCLR;
715 unsigned IOCTL_FDWERRORGET = FDWERRORGET;
716 unsigned IOCTL_HDIO_DRIVE_CMD = HDIO_DRIVE_CMD;
717 unsigned IOCTL_HDIO_GETGEO = HDIO_GETGEO;
718 unsigned IOCTL_HDIO_GET_32BIT = HDIO_GET_32BIT;
719 unsigned IOCTL_HDIO_GET_DMA = HDIO_GET_DMA;
720 unsigned IOCTL_HDIO_GET_IDENTITY = HDIO_GET_IDENTITY;
721 unsigned IOCTL_HDIO_GET_KEEPSETTINGS = HDIO_GET_KEEPSETTINGS;
722 unsigned IOCTL_HDIO_GET_MULTCOUNT = HDIO_GET_MULTCOUNT;
723 unsigned IOCTL_HDIO_GET_NOWERR = HDIO_GET_NOWERR;
724 unsigned IOCTL_HDIO_GET_UNMASKINTR = HDIO_GET_UNMASKINTR;
725 unsigned IOCTL_HDIO_SET_32BIT = HDIO_SET_32BIT;
726 unsigned IOCTL_HDIO_SET_DMA = HDIO_SET_DMA;
727 unsigned IOCTL_HDIO_SET_KEEPSETTINGS = HDIO_SET_KEEPSETTINGS;
728 unsigned IOCTL_HDIO_SET_MULTCOUNT = HDIO_SET_MULTCOUNT;
729 unsigned IOCTL_HDIO_SET_NOWERR = HDIO_SET_NOWERR;
730 unsigned IOCTL_HDIO_SET_UNMASKINTR = HDIO_SET_UNMASKINTR;
731 unsigned IOCTL_MTIOCPOS = MTIOCPOS;
732 unsigned IOCTL_PPPIOCGASYNCMAP = PPPIOCGASYNCMAP;
733 unsigned IOCTL_PPPIOCGDEBUG = PPPIOCGDEBUG;
734 unsigned IOCTL_PPPIOCGFLAGS = PPPIOCGFLAGS;
735 unsigned IOCTL_PPPIOCGUNIT = PPPIOCGUNIT;
736 unsigned IOCTL_PPPIOCGXASYNCMAP = PPPIOCGXASYNCMAP;
737 unsigned IOCTL_PPPIOCSASYNCMAP = PPPIOCSASYNCMAP;
738 unsigned IOCTL_PPPIOCSDEBUG = PPPIOCSDEBUG;
739 unsigned IOCTL_PPPIOCSFLAGS = PPPIOCSFLAGS;
740 unsigned IOCTL_PPPIOCSMAXCID = PPPIOCSMAXCID;
741 unsigned IOCTL_PPPIOCSMRU = PPPIOCSMRU;
742 unsigned IOCTL_PPPIOCSXASYNCMAP = PPPIOCSXASYNCMAP;
743 unsigned IOCTL_SIOCADDRT = SIOCADDRT;
744 unsigned IOCTL_SIOCDARP = SIOCDARP;
745 unsigned IOCTL_SIOCDELRT = SIOCDELRT;
746 unsigned IOCTL_SIOCDRARP = SIOCDRARP;
747 unsigned IOCTL_SIOCGARP = SIOCGARP;
748 unsigned IOCTL_SIOCGIFENCAP = SIOCGIFENCAP;
749 unsigned IOCTL_SIOCGIFHWADDR = SIOCGIFHWADDR;
750 unsigned IOCTL_SIOCGIFMAP = SIOCGIFMAP;
751 unsigned IOCTL_SIOCGIFMEM = SIOCGIFMEM;
752 unsigned IOCTL_SIOCGIFNAME = SIOCGIFNAME;
753 unsigned IOCTL_SIOCGIFSLAVE = SIOCGIFSLAVE;
754 unsigned IOCTL_SIOCGRARP = SIOCGRARP;
755 unsigned IOCTL_SIOCGSTAMP = SIOCGSTAMP;
756 unsigned IOCTL_SIOCSARP = SIOCSARP;
757 unsigned IOCTL_SIOCSIFENCAP = SIOCSIFENCAP;
758 unsigned IOCTL_SIOCSIFHWADDR = SIOCSIFHWADDR;
759 unsigned IOCTL_SIOCSIFLINK = SIOCSIFLINK;
760 unsigned IOCTL_SIOCSIFMAP = SIOCSIFMAP;
761 unsigned IOCTL_SIOCSIFMEM = SIOCSIFMEM;
762 unsigned IOCTL_SIOCSIFSLAVE = SIOCSIFSLAVE;
763 unsigned IOCTL_SIOCSRARP = SIOCSRARP;
764# if SOUND_VERSION >= 0x040000
765 unsigned IOCTL_SNDCTL_COPR_HALT = IOCTL_NOT_PRESENT;
766 unsigned IOCTL_SNDCTL_COPR_LOAD = IOCTL_NOT_PRESENT;
767 unsigned IOCTL_SNDCTL_COPR_RCODE = IOCTL_NOT_PRESENT;
768 unsigned IOCTL_SNDCTL_COPR_RCVMSG = IOCTL_NOT_PRESENT;
769 unsigned IOCTL_SNDCTL_COPR_RDATA = IOCTL_NOT_PRESENT;
770 unsigned IOCTL_SNDCTL_COPR_RESET = IOCTL_NOT_PRESENT;
771 unsigned IOCTL_SNDCTL_COPR_RUN = IOCTL_NOT_PRESENT;
772 unsigned IOCTL_SNDCTL_COPR_SENDMSG = IOCTL_NOT_PRESENT;
773 unsigned IOCTL_SNDCTL_COPR_WCODE = IOCTL_NOT_PRESENT;
774 unsigned IOCTL_SNDCTL_COPR_WDATA = IOCTL_NOT_PRESENT;
775 unsigned IOCTL_SOUND_PCM_READ_BITS = IOCTL_NOT_PRESENT;
776 unsigned IOCTL_SOUND_PCM_READ_CHANNELS = IOCTL_NOT_PRESENT;
777 unsigned IOCTL_SOUND_PCM_READ_FILTER = IOCTL_NOT_PRESENT;
778 unsigned IOCTL_SOUND_PCM_READ_RATE = IOCTL_NOT_PRESENT;
779 unsigned IOCTL_SOUND_PCM_WRITE_CHANNELS = IOCTL_NOT_PRESENT;
780 unsigned IOCTL_SOUND_PCM_WRITE_FILTER = IOCTL_NOT_PRESENT;
781# else // SOUND_VERSION
782 unsigned IOCTL_SNDCTL_COPR_HALT = SNDCTL_COPR_HALT;
783 unsigned IOCTL_SNDCTL_COPR_LOAD = SNDCTL_COPR_LOAD;
784 unsigned IOCTL_SNDCTL_COPR_RCODE = SNDCTL_COPR_RCODE;
785 unsigned IOCTL_SNDCTL_COPR_RCVMSG = SNDCTL_COPR_RCVMSG;
786 unsigned IOCTL_SNDCTL_COPR_RDATA = SNDCTL_COPR_RDATA;
787 unsigned IOCTL_SNDCTL_COPR_RESET = SNDCTL_COPR_RESET;
788 unsigned IOCTL_SNDCTL_COPR_RUN = SNDCTL_COPR_RUN;
789 unsigned IOCTL_SNDCTL_COPR_SENDMSG = SNDCTL_COPR_SENDMSG;
790 unsigned IOCTL_SNDCTL_COPR_WCODE = SNDCTL_COPR_WCODE;
791 unsigned IOCTL_SNDCTL_COPR_WDATA = SNDCTL_COPR_WDATA;
792 unsigned IOCTL_SOUND_PCM_READ_BITS = SOUND_PCM_READ_BITS;
793 unsigned IOCTL_SOUND_PCM_READ_CHANNELS = SOUND_PCM_READ_CHANNELS;
794 unsigned IOCTL_SOUND_PCM_READ_FILTER = SOUND_PCM_READ_FILTER;
795 unsigned IOCTL_SOUND_PCM_READ_RATE = SOUND_PCM_READ_RATE;
796 unsigned IOCTL_SOUND_PCM_WRITE_CHANNELS = SOUND_PCM_WRITE_CHANNELS;
797 unsigned IOCTL_SOUND_PCM_WRITE_FILTER = SOUND_PCM_WRITE_FILTER;
798#endif // SOUND_VERSION
799 unsigned IOCTL_TCFLSH = TCFLSH;
800# if SANITIZER_TERMIOS_IOCTL_CONSTANTS
801 unsigned IOCTL_TCGETS = TCGETS;
802# endif
803 unsigned IOCTL_TCSBRK = TCSBRK;
804 unsigned IOCTL_TCSBRKP = TCSBRKP;
805# if SANITIZER_TERMIOS_IOCTL_CONSTANTS
806 unsigned IOCTL_TCSETS = TCSETS;
807 unsigned IOCTL_TCSETSF = TCSETSF;
808 unsigned IOCTL_TCSETSW = TCSETSW;
809# endif
810 unsigned IOCTL_TCXONC = TCXONC;
811 unsigned IOCTL_TIOCGLCKTRMIOS = TIOCGLCKTRMIOS;
812 unsigned IOCTL_TIOCGSOFTCAR = TIOCGSOFTCAR;
813 unsigned IOCTL_TIOCINQ = TIOCINQ;
814 unsigned IOCTL_TIOCLINUX = TIOCLINUX;
815 unsigned IOCTL_TIOCSERCONFIG = TIOCSERCONFIG;
816 unsigned IOCTL_TIOCSERGETLSR = TIOCSERGETLSR;
817 unsigned IOCTL_TIOCSERGWILD = TIOCSERGWILD;
818 unsigned IOCTL_TIOCSERSWILD = TIOCSERSWILD;
819 unsigned IOCTL_TIOCSLCKTRMIOS = TIOCSLCKTRMIOS;
820 unsigned IOCTL_TIOCSSOFTCAR = TIOCSSOFTCAR;
821 unsigned IOCTL_VT_DISALLOCATE = VT_DISALLOCATE;
822 unsigned IOCTL_VT_GETSTATE = VT_GETSTATE;
823 unsigned IOCTL_VT_RESIZE = VT_RESIZE;
824 unsigned IOCTL_VT_RESIZEX = VT_RESIZEX;
825 unsigned IOCTL_VT_SENDSIG = VT_SENDSIG;
826 unsigned IOCTL_MTIOCGET = MTIOCGET;
827 unsigned IOCTL_MTIOCTOP = MTIOCTOP;
828 unsigned IOCTL_SNDCTL_DSP_GETBLKSIZE = SNDCTL_DSP_GETBLKSIZE;
829 unsigned IOCTL_SNDCTL_DSP_GETFMTS = SNDCTL_DSP_GETFMTS;
830 unsigned IOCTL_SNDCTL_DSP_NONBLOCK = SNDCTL_DSP_NONBLOCK;
831 unsigned IOCTL_SNDCTL_DSP_POST = SNDCTL_DSP_POST;
832 unsigned IOCTL_SNDCTL_DSP_RESET = SNDCTL_DSP_RESET;
833 unsigned IOCTL_SNDCTL_DSP_SETFMT = SNDCTL_DSP_SETFMT;
834 unsigned IOCTL_SNDCTL_DSP_SETFRAGMENT = SNDCTL_DSP_SETFRAGMENT;
835 unsigned IOCTL_SNDCTL_DSP_SPEED = SNDCTL_DSP_SPEED;
836 unsigned IOCTL_SNDCTL_DSP_STEREO = SNDCTL_DSP_STEREO;
837 unsigned IOCTL_SNDCTL_DSP_SUBDIVIDE = SNDCTL_DSP_SUBDIVIDE;
838 unsigned IOCTL_SNDCTL_DSP_SYNC = SNDCTL_DSP_SYNC;
839 unsigned IOCTL_SNDCTL_FM_4OP_ENABLE = SNDCTL_FM_4OP_ENABLE;
840 unsigned IOCTL_SNDCTL_FM_LOAD_INSTR = SNDCTL_FM_LOAD_INSTR;
841 unsigned IOCTL_SNDCTL_MIDI_INFO = SNDCTL_MIDI_INFO;
842 unsigned IOCTL_SNDCTL_MIDI_PRETIME = SNDCTL_MIDI_PRETIME;
843 unsigned IOCTL_SNDCTL_SEQ_CTRLRATE = SNDCTL_SEQ_CTRLRATE;
844 unsigned IOCTL_SNDCTL_SEQ_GETINCOUNT = SNDCTL_SEQ_GETINCOUNT;
845 unsigned IOCTL_SNDCTL_SEQ_GETOUTCOUNT = SNDCTL_SEQ_GETOUTCOUNT;
846 unsigned IOCTL_SNDCTL_SEQ_NRMIDIS = SNDCTL_SEQ_NRMIDIS;
847 unsigned IOCTL_SNDCTL_SEQ_NRSYNTHS = SNDCTL_SEQ_NRSYNTHS;
848 unsigned IOCTL_SNDCTL_SEQ_OUTOFBAND = SNDCTL_SEQ_OUTOFBAND;
849 unsigned IOCTL_SNDCTL_SEQ_PANIC = SNDCTL_SEQ_PANIC;
850 unsigned IOCTL_SNDCTL_SEQ_PERCMODE = SNDCTL_SEQ_PERCMODE;
851 unsigned IOCTL_SNDCTL_SEQ_RESET = SNDCTL_SEQ_RESET;
852 unsigned IOCTL_SNDCTL_SEQ_RESETSAMPLES = SNDCTL_SEQ_RESETSAMPLES;
853 unsigned IOCTL_SNDCTL_SEQ_SYNC = SNDCTL_SEQ_SYNC;
854 unsigned IOCTL_SNDCTL_SEQ_TESTMIDI = SNDCTL_SEQ_TESTMIDI;
855 unsigned IOCTL_SNDCTL_SEQ_THRESHOLD = SNDCTL_SEQ_THRESHOLD;
856 unsigned IOCTL_SNDCTL_SYNTH_INFO = SNDCTL_SYNTH_INFO;
857 unsigned IOCTL_SNDCTL_SYNTH_MEMAVL = SNDCTL_SYNTH_MEMAVL;
858 unsigned IOCTL_SNDCTL_TMR_CONTINUE = SNDCTL_TMR_CONTINUE;
859 unsigned IOCTL_SNDCTL_TMR_METRONOME = SNDCTL_TMR_METRONOME;
860 unsigned IOCTL_SNDCTL_TMR_SELECT = SNDCTL_TMR_SELECT;
861 unsigned IOCTL_SNDCTL_TMR_SOURCE = SNDCTL_TMR_SOURCE;
862 unsigned IOCTL_SNDCTL_TMR_START = SNDCTL_TMR_START;
863 unsigned IOCTL_SNDCTL_TMR_STOP = SNDCTL_TMR_STOP;
864 unsigned IOCTL_SNDCTL_TMR_TEMPO = SNDCTL_TMR_TEMPO;
865 unsigned IOCTL_SNDCTL_TMR_TIMEBASE = SNDCTL_TMR_TIMEBASE;
866 unsigned IOCTL_SOUND_MIXER_READ_ALTPCM = SOUND_MIXER_READ_ALTPCM;
867 unsigned IOCTL_SOUND_MIXER_READ_BASS = SOUND_MIXER_READ_BASS;
868 unsigned IOCTL_SOUND_MIXER_READ_CAPS = SOUND_MIXER_READ_CAPS;
869 unsigned IOCTL_SOUND_MIXER_READ_CD = SOUND_MIXER_READ_CD;
870 unsigned IOCTL_SOUND_MIXER_READ_DEVMASK = SOUND_MIXER_READ_DEVMASK;
871 unsigned IOCTL_SOUND_MIXER_READ_ENHANCE = SOUND_MIXER_READ_ENHANCE;
872 unsigned IOCTL_SOUND_MIXER_READ_IGAIN = SOUND_MIXER_READ_IGAIN;
873 unsigned IOCTL_SOUND_MIXER_READ_IMIX = SOUND_MIXER_READ_IMIX;
874 unsigned IOCTL_SOUND_MIXER_READ_LINE = SOUND_MIXER_READ_LINE;
875 unsigned IOCTL_SOUND_MIXER_READ_LINE1 = SOUND_MIXER_READ_LINE1;
876 unsigned IOCTL_SOUND_MIXER_READ_LINE2 = SOUND_MIXER_READ_LINE2;
877 unsigned IOCTL_SOUND_MIXER_READ_LINE3 = SOUND_MIXER_READ_LINE3;
878 unsigned IOCTL_SOUND_MIXER_READ_LOUD = SOUND_MIXER_READ_LOUD;
879 unsigned IOCTL_SOUND_MIXER_READ_MIC = SOUND_MIXER_READ_MIC;
880 unsigned IOCTL_SOUND_MIXER_READ_MUTE = SOUND_MIXER_READ_MUTE;
881 unsigned IOCTL_SOUND_MIXER_READ_OGAIN = SOUND_MIXER_READ_OGAIN;
882 unsigned IOCTL_SOUND_MIXER_READ_PCM = SOUND_MIXER_READ_PCM;
883 unsigned IOCTL_SOUND_MIXER_READ_RECLEV = SOUND_MIXER_READ_RECLEV;
884 unsigned IOCTL_SOUND_MIXER_READ_RECMASK = SOUND_MIXER_READ_RECMASK;
885 unsigned IOCTL_SOUND_MIXER_READ_RECSRC = SOUND_MIXER_READ_RECSRC;
886 unsigned IOCTL_SOUND_MIXER_READ_SPEAKER = SOUND_MIXER_READ_SPEAKER;
887 unsigned IOCTL_SOUND_MIXER_READ_STEREODEVS = SOUND_MIXER_READ_STEREODEVS;
888 unsigned IOCTL_SOUND_MIXER_READ_SYNTH = SOUND_MIXER_READ_SYNTH;
889 unsigned IOCTL_SOUND_MIXER_READ_TREBLE = SOUND_MIXER_READ_TREBLE;
890 unsigned IOCTL_SOUND_MIXER_READ_VOLUME = SOUND_MIXER_READ_VOLUME;
891 unsigned IOCTL_SOUND_MIXER_WRITE_ALTPCM = SOUND_MIXER_WRITE_ALTPCM;
892 unsigned IOCTL_SOUND_MIXER_WRITE_BASS = SOUND_MIXER_WRITE_BASS;
893 unsigned IOCTL_SOUND_MIXER_WRITE_CD = SOUND_MIXER_WRITE_CD;
894 unsigned IOCTL_SOUND_MIXER_WRITE_ENHANCE = SOUND_MIXER_WRITE_ENHANCE;
895 unsigned IOCTL_SOUND_MIXER_WRITE_IGAIN = SOUND_MIXER_WRITE_IGAIN;
896 unsigned IOCTL_SOUND_MIXER_WRITE_IMIX = SOUND_MIXER_WRITE_IMIX;
897 unsigned IOCTL_SOUND_MIXER_WRITE_LINE = SOUND_MIXER_WRITE_LINE;
898 unsigned IOCTL_SOUND_MIXER_WRITE_LINE1 = SOUND_MIXER_WRITE_LINE1;
899 unsigned IOCTL_SOUND_MIXER_WRITE_LINE2 = SOUND_MIXER_WRITE_LINE2;
900 unsigned IOCTL_SOUND_MIXER_WRITE_LINE3 = SOUND_MIXER_WRITE_LINE3;
901 unsigned IOCTL_SOUND_MIXER_WRITE_LOUD = SOUND_MIXER_WRITE_LOUD;
902 unsigned IOCTL_SOUND_MIXER_WRITE_MIC = SOUND_MIXER_WRITE_MIC;
903 unsigned IOCTL_SOUND_MIXER_WRITE_MUTE = SOUND_MIXER_WRITE_MUTE;
904 unsigned IOCTL_SOUND_MIXER_WRITE_OGAIN = SOUND_MIXER_WRITE_OGAIN;
905 unsigned IOCTL_SOUND_MIXER_WRITE_PCM = SOUND_MIXER_WRITE_PCM;
906 unsigned IOCTL_SOUND_MIXER_WRITE_RECLEV = SOUND_MIXER_WRITE_RECLEV;
907 unsigned IOCTL_SOUND_MIXER_WRITE_RECSRC = SOUND_MIXER_WRITE_RECSRC;
908 unsigned IOCTL_SOUND_MIXER_WRITE_SPEAKER = SOUND_MIXER_WRITE_SPEAKER;
909 unsigned IOCTL_SOUND_MIXER_WRITE_SYNTH = SOUND_MIXER_WRITE_SYNTH;
910 unsigned IOCTL_SOUND_MIXER_WRITE_TREBLE = SOUND_MIXER_WRITE_TREBLE;
911 unsigned IOCTL_SOUND_MIXER_WRITE_VOLUME = SOUND_MIXER_WRITE_VOLUME;
912 unsigned IOCTL_VT_ACTIVATE = VT_ACTIVATE;
913 unsigned IOCTL_VT_GETMODE = VT_GETMODE;
914 unsigned IOCTL_VT_OPENQRY = VT_OPENQRY;
915 unsigned IOCTL_VT_RELDISP = VT_RELDISP;
916 unsigned IOCTL_VT_SETMODE = VT_SETMODE;
917 unsigned IOCTL_VT_WAITACTIVE = VT_WAITACTIVE;
918#endif // SANITIZER_LINUX
919
920#if SANITIZER_LINUX && !SANITIZER_ANDROID
921 unsigned IOCTL_EQL_EMANCIPATE = EQL_EMANCIPATE;
922 unsigned IOCTL_EQL_ENSLAVE = EQL_ENSLAVE;
923 unsigned IOCTL_EQL_GETMASTRCFG = EQL_GETMASTRCFG;
924 unsigned IOCTL_EQL_GETSLAVECFG = EQL_GETSLAVECFG;
925 unsigned IOCTL_EQL_SETMASTRCFG = EQL_SETMASTRCFG;
926 unsigned IOCTL_EQL_SETSLAVECFG = EQL_SETSLAVECFG;
927#if EV_VERSION > (0x010000)
928 unsigned IOCTL_EVIOCGKEYCODE_V2 = EVIOCGKEYCODE_V2;
929 unsigned IOCTL_EVIOCGPROP = EVIOCGPROP(0);
930 unsigned IOCTL_EVIOCSKEYCODE_V2 = EVIOCSKEYCODE_V2;
931#else
932 unsigned IOCTL_EVIOCGKEYCODE_V2 = IOCTL_NOT_PRESENT;
933 unsigned IOCTL_EVIOCGPROP = IOCTL_NOT_PRESENT;
934 unsigned IOCTL_EVIOCSKEYCODE_V2 = IOCTL_NOT_PRESENT;
935#endif
936 unsigned IOCTL_FS_IOC_GETFLAGS = _IOR('f', 1, long);
937 unsigned IOCTL_FS_IOC_GETVERSION = _IOR('v', 1, long);
938 unsigned IOCTL_FS_IOC_SETFLAGS = _IOW('f', 2, long);
939 unsigned IOCTL_FS_IOC_SETVERSION = _IOW('v', 2, long);
940 unsigned IOCTL_GIO_CMAP = GIO_CMAP;
941 unsigned IOCTL_GIO_FONT = GIO_FONT;
942 unsigned IOCTL_GIO_UNIMAP = GIO_UNIMAP;
943 unsigned IOCTL_GIO_UNISCRNMAP = GIO_UNISCRNMAP;
944 unsigned IOCTL_KDADDIO = KDADDIO;
945 unsigned IOCTL_KDDELIO = KDDELIO;
946 unsigned IOCTL_KDGETKEYCODE = KDGETKEYCODE;
947 unsigned IOCTL_KDGKBDIACR = KDGKBDIACR;
948 unsigned IOCTL_KDGKBENT = KDGKBENT;
949 unsigned IOCTL_KDGKBLED = KDGKBLED;
950 unsigned IOCTL_KDGKBMETA = KDGKBMETA;
951 unsigned IOCTL_KDGKBSENT = KDGKBSENT;
952 unsigned IOCTL_KDMAPDISP = KDMAPDISP;
953 unsigned IOCTL_KDSETKEYCODE = KDSETKEYCODE;
954 unsigned IOCTL_KDSIGACCEPT = KDSIGACCEPT;
955 unsigned IOCTL_KDSKBDIACR = KDSKBDIACR;
956 unsigned IOCTL_KDSKBENT = KDSKBENT;
957 unsigned IOCTL_KDSKBLED = KDSKBLED;
958 unsigned IOCTL_KDSKBMETA = KDSKBMETA;
959 unsigned IOCTL_KDSKBSENT = KDSKBSENT;
960 unsigned IOCTL_KDUNMAPDISP = KDUNMAPDISP;
961 unsigned IOCTL_LPABORT = LPABORT;
962 unsigned IOCTL_LPABORTOPEN = LPABORTOPEN;
963 unsigned IOCTL_LPCAREFUL = LPCAREFUL;
964 unsigned IOCTL_LPCHAR = LPCHAR;
965 unsigned IOCTL_LPGETIRQ = LPGETIRQ;
966 unsigned IOCTL_LPGETSTATUS = LPGETSTATUS;
967 unsigned IOCTL_LPRESET = LPRESET;
968 unsigned IOCTL_LPSETIRQ = LPSETIRQ;
969 unsigned IOCTL_LPTIME = LPTIME;
970 unsigned IOCTL_LPWAIT = LPWAIT;
971 unsigned IOCTL_MTIOCGETCONFIG = MTIOCGETCONFIG;
972 unsigned IOCTL_MTIOCSETCONFIG = MTIOCSETCONFIG;
973 unsigned IOCTL_PIO_CMAP = PIO_CMAP;
974 unsigned IOCTL_PIO_FONT = PIO_FONT;
975 unsigned IOCTL_PIO_UNIMAP = PIO_UNIMAP;
976 unsigned IOCTL_PIO_UNIMAPCLR = PIO_UNIMAPCLR;
977 unsigned IOCTL_PIO_UNISCRNMAP = PIO_UNISCRNMAP;
978#if SANITIZER_GLIBC
979 unsigned IOCTL_SCSI_IOCTL_GET_IDLUN = SCSI_IOCTL_GET_IDLUN;
980 unsigned IOCTL_SCSI_IOCTL_PROBE_HOST = SCSI_IOCTL_PROBE_HOST;
981 unsigned IOCTL_SCSI_IOCTL_TAGGED_DISABLE = SCSI_IOCTL_TAGGED_DISABLE;
982 unsigned IOCTL_SCSI_IOCTL_TAGGED_ENABLE = SCSI_IOCTL_TAGGED_ENABLE;
983 unsigned IOCTL_SIOCAIPXITFCRT = SIOCAIPXITFCRT;
984 unsigned IOCTL_SIOCAIPXPRISLT = SIOCAIPXPRISLT;
985 unsigned IOCTL_SIOCAX25ADDUID = SIOCAX25ADDUID;
986 unsigned IOCTL_SIOCAX25DELUID = SIOCAX25DELUID;
987 unsigned IOCTL_SIOCAX25GETPARMS = SIOCAX25GETPARMS;
988 unsigned IOCTL_SIOCAX25GETUID = SIOCAX25GETUID;
989 unsigned IOCTL_SIOCAX25NOUID = SIOCAX25NOUID;
990 unsigned IOCTL_SIOCAX25SETPARMS = SIOCAX25SETPARMS;
991 unsigned IOCTL_SIOCDEVPLIP = SIOCDEVPLIP;
992 unsigned IOCTL_SIOCIPXCFGDATA = SIOCIPXCFGDATA;
993 unsigned IOCTL_SIOCNRDECOBS = SIOCNRDECOBS;
994 unsigned IOCTL_SIOCNRGETPARMS = SIOCNRGETPARMS;
995 unsigned IOCTL_SIOCNRRTCTL = SIOCNRRTCTL;
996 unsigned IOCTL_SIOCNRSETPARMS = SIOCNRSETPARMS;
997#endif
998 unsigned IOCTL_TIOCGSERIAL = TIOCGSERIAL;
999 unsigned IOCTL_TIOCSERGETMULTI = TIOCSERGETMULTI;
1000 unsigned IOCTL_TIOCSERSETMULTI = TIOCSERSETMULTI;
1001 unsigned IOCTL_TIOCSSERIAL = TIOCSSERIAL;
1002#endif // SANITIZER_LINUX && !SANITIZER_ANDROID
1003
1004#if SANITIZER_LINUX && !SANITIZER_ANDROID
1005 unsigned IOCTL_GIO_SCRNMAP = GIO_SCRNMAP;
1006 unsigned IOCTL_KDDISABIO = KDDISABIO;
1007 unsigned IOCTL_KDENABIO = KDENABIO;
1008 unsigned IOCTL_KDGETLED = KDGETLED;
1009 unsigned IOCTL_KDGETMODE = KDGETMODE;
1010 unsigned IOCTL_KDGKBMODE = KDGKBMODE;
1011 unsigned IOCTL_KDGKBTYPE = KDGKBTYPE;
1012 unsigned IOCTL_KDMKTONE = KDMKTONE;
1013 unsigned IOCTL_KDSETLED = KDSETLED;
1014 unsigned IOCTL_KDSETMODE = KDSETMODE;
1015 unsigned IOCTL_KDSKBMODE = KDSKBMODE;
1016 unsigned IOCTL_KIOCSOUND = KIOCSOUND;
1017 unsigned IOCTL_PIO_SCRNMAP = PIO_SCRNMAP;
1018 unsigned IOCTL_SNDCTL_DSP_GETISPACE = SNDCTL_DSP_GETISPACE;
1019 unsigned IOCTL_SNDCTL_DSP_GETOSPACE = SNDCTL_DSP_GETOSPACE;
1020#endif // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
1021
1022 const int si_SEGV_MAPERR = SEGV_MAPERR;
1023 const int si_SEGV_ACCERR = SEGV_ACCERR;
1024} // namespace __sanitizer
1025
1026using namespace __sanitizer;
1027
1028COMPILER_CHECK(sizeof(__sanitizer_pthread_attr_t) >= sizeof(pthread_attr_t));
1029
1030COMPILER_CHECK(sizeof(socklen_t) == sizeof(unsigned));
1031CHECK_TYPE_SIZE(pthread_key_t);
1032
1033#if SANITIZER_LINUX
1034// FIXME: We define those on Linux and Mac, but only check on Linux.
1035COMPILER_CHECK(IOC_NRBITS == _IOC_NRBITS);
1036COMPILER_CHECK(IOC_TYPEBITS == _IOC_TYPEBITS);
1037COMPILER_CHECK(IOC_SIZEBITS == _IOC_SIZEBITS);
1038COMPILER_CHECK(IOC_DIRBITS == _IOC_DIRBITS);
1039COMPILER_CHECK(IOC_NRMASK == _IOC_NRMASK);
1040COMPILER_CHECK(IOC_TYPEMASK == _IOC_TYPEMASK);
1041COMPILER_CHECK(IOC_SIZEMASK == _IOC_SIZEMASK);
1042COMPILER_CHECK(IOC_DIRMASK == _IOC_DIRMASK);
1043COMPILER_CHECK(IOC_NRSHIFT == _IOC_NRSHIFT);
1044COMPILER_CHECK(IOC_TYPESHIFT == _IOC_TYPESHIFT);
1045COMPILER_CHECK(IOC_SIZESHIFT == _IOC_SIZESHIFT);
1046COMPILER_CHECK(IOC_DIRSHIFT == _IOC_DIRSHIFT);
1047COMPILER_CHECK(IOC_NONE == _IOC_NONE);
1048COMPILER_CHECK(IOC_WRITE == _IOC_WRITE);
1049COMPILER_CHECK(IOC_READ == _IOC_READ);
1050COMPILER_CHECK(EVIOC_ABS_MAX == ABS_MAX);
1051COMPILER_CHECK(EVIOC_EV_MAX == EV_MAX);
1052COMPILER_CHECK(IOC_SIZE(0x12345678) == _IOC_SIZE(0x12345678));
1053COMPILER_CHECK(IOC_DIR(0x12345678) == _IOC_DIR(0x12345678));
1054COMPILER_CHECK(IOC_NR(0x12345678) == _IOC_NR(0x12345678));
1055COMPILER_CHECK(IOC_TYPE(0x12345678) == _IOC_TYPE(0x12345678));
1056#endif // SANITIZER_LINUX
1057
1058#if SANITIZER_LINUX || SANITIZER_FREEBSD
1059// There are more undocumented fields in dl_phdr_info that we are not interested
1060// in.
1061COMPILER_CHECK(sizeof(__sanitizer_dl_phdr_info) <= sizeof(dl_phdr_info));
1062CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_addr);
1063CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_name);
1064CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phdr);
1065CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phnum);
1066#endif // SANITIZER_LINUX || SANITIZER_FREEBSD
1067
1068#if SANITIZER_GLIBC || SANITIZER_FREEBSD
1069CHECK_TYPE_SIZE(glob_t);
1070CHECK_SIZE_AND_OFFSET(glob_t, gl_pathc);
1071CHECK_SIZE_AND_OFFSET(glob_t, gl_pathv);
1072CHECK_SIZE_AND_OFFSET(glob_t, gl_offs);
1073CHECK_SIZE_AND_OFFSET(glob_t, gl_flags);
1074CHECK_SIZE_AND_OFFSET(glob_t, gl_closedir);
1075CHECK_SIZE_AND_OFFSET(glob_t, gl_readdir);
1076CHECK_SIZE_AND_OFFSET(glob_t, gl_opendir);
1077CHECK_SIZE_AND_OFFSET(glob_t, gl_lstat);
1078CHECK_SIZE_AND_OFFSET(glob_t, gl_stat);
1079#endif // SANITIZER_GLIBC || SANITIZER_FREEBSD
1080
1081CHECK_TYPE_SIZE(addrinfo);
1082CHECK_SIZE_AND_OFFSET(addrinfo, ai_flags);
1083CHECK_SIZE_AND_OFFSET(addrinfo, ai_family);
1084CHECK_SIZE_AND_OFFSET(addrinfo, ai_socktype);
1085CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol);
1086CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol);
1087CHECK_SIZE_AND_OFFSET(addrinfo, ai_addrlen);
1088CHECK_SIZE_AND_OFFSET(addrinfo, ai_canonname);
1089CHECK_SIZE_AND_OFFSET(addrinfo, ai_addr);
1090# if SANITIZER_AIX
1091CHECK_SIZE_AND_OFFSET(addrinfo, ai_eflags);
1092# endif
1093
1094CHECK_TYPE_SIZE(hostent);
1095CHECK_SIZE_AND_OFFSET(hostent, h_name);
1096CHECK_SIZE_AND_OFFSET(hostent, h_aliases);
1097CHECK_SIZE_AND_OFFSET(hostent, h_addrtype);
1098CHECK_SIZE_AND_OFFSET(hostent, h_length);
1099CHECK_SIZE_AND_OFFSET(hostent, h_addr_list);
1100
1101CHECK_TYPE_SIZE(iovec);
1102CHECK_SIZE_AND_OFFSET(iovec, iov_base);
1103CHECK_SIZE_AND_OFFSET(iovec, iov_len);
1104
1105// In POSIX, int msg_iovlen; socklen_t msg_controllen; socklen_t cmsg_len; but
1106// many implementations don't conform to the standard. Since we pick the
1107// non-conforming glibc definition, exclude the checks for musl (incompatible
1108// sizes but compatible offsets).
1109CHECK_TYPE_SIZE(msghdr);
1110CHECK_SIZE_AND_OFFSET(msghdr, msg_name);
1111CHECK_SIZE_AND_OFFSET(msghdr, msg_namelen);
1112CHECK_SIZE_AND_OFFSET(msghdr, msg_iov);
1113#if SANITIZER_GLIBC || SANITIZER_ANDROID
1114CHECK_SIZE_AND_OFFSET(msghdr, msg_iovlen);
1115#endif
1116CHECK_SIZE_AND_OFFSET(msghdr, msg_control);
1117#if SANITIZER_GLIBC || SANITIZER_ANDROID
1118CHECK_SIZE_AND_OFFSET(msghdr, msg_controllen);
1119#endif
1120CHECK_SIZE_AND_OFFSET(msghdr, msg_flags);
1121
1122CHECK_TYPE_SIZE(cmsghdr);
1123#if SANITIZER_GLIBC || SANITIZER_ANDROID
1124CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_len);
1125#endif
1126CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_level);
1127CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_type);
1128
1129# if SANITIZER_LINUX && (SANITIZER_ANDROID || __GLIBC_PREREQ(2, 14))
1130CHECK_TYPE_SIZE(mmsghdr);
1131CHECK_SIZE_AND_OFFSET(mmsghdr, msg_hdr);
1132CHECK_SIZE_AND_OFFSET(mmsghdr, msg_len);
1133#endif
1134
1135COMPILER_CHECK(sizeof(__sanitizer_dirent) <= sizeof(dirent));
1136CHECK_SIZE_AND_OFFSET(dirent, d_ino);
1137#if SANITIZER_APPLE
1138CHECK_SIZE_AND_OFFSET(dirent, d_seekoff);
1139# elif SANITIZER_AIX
1140CHECK_SIZE_AND_OFFSET(dirent, d_offset);
1141# elif SANITIZER_FREEBSD || SANITIZER_HAIKU
1142// There is no 'd_off' field on FreeBSD.
1143# else
1144CHECK_SIZE_AND_OFFSET(dirent, d_off);
1145# endif
1146CHECK_SIZE_AND_OFFSET(dirent, d_reclen);
1147
1148#if SANITIZER_GLIBC
1149COMPILER_CHECK(sizeof(__sanitizer_dirent64) <= sizeof(dirent64));
1150CHECK_SIZE_AND_OFFSET(dirent64, d_ino);
1151CHECK_SIZE_AND_OFFSET(dirent64, d_off);
1152CHECK_SIZE_AND_OFFSET(dirent64, d_reclen);
1153#endif
1154
1155CHECK_TYPE_SIZE(ifconf);
1156CHECK_SIZE_AND_OFFSET(ifconf, ifc_len);
1157#if !SANITIZER_HAIKU
1158CHECK_SIZE_AND_OFFSET(ifconf, ifc_ifcu);
1159#endif
1160
1161CHECK_TYPE_SIZE(pollfd);
1162CHECK_SIZE_AND_OFFSET(pollfd, fd);
1163CHECK_SIZE_AND_OFFSET(pollfd, events);
1164CHECK_SIZE_AND_OFFSET(pollfd, revents);
1165
1166CHECK_TYPE_SIZE(nfds_t);
1167
1168CHECK_TYPE_SIZE(sigset_t);
1169
1170COMPILER_CHECK(sizeof(__sanitizer_sigaction) == sizeof(struct sigaction));
1171// Can't write checks for sa_handler and sa_sigaction due to them being
1172// preprocessor macros.
1173CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_mask);
1174#if !defined(__s390x__) || __GLIBC_PREREQ (2, 20)
1175// On s390x glibc 2.19 and earlier sa_flags was unsigned long, and sa_resv
1176// didn't exist.
1177CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_flags);
1178#endif
1179# if SANITIZER_LINUX && (!SANITIZER_ANDROID || !SANITIZER_MIPS32) && \
1180 !defined(__alpha__)
1181CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_restorer);
1182#endif
1183
1184#if SANITIZER_HAS_SIGINFO
1185COMPILER_CHECK(alignof(siginfo_t) == alignof(__sanitizer_siginfo));
1186using __sanitizer_siginfo_t = __sanitizer_siginfo;
1187CHECK_TYPE_SIZE(siginfo_t);
1188CHECK_SIZE_AND_OFFSET(siginfo_t, si_signo);
1189CHECK_SIZE_AND_OFFSET(siginfo_t, si_errno);
1190CHECK_SIZE_AND_OFFSET(siginfo_t, si_code);
1191#endif
1192
1193#if SANITIZER_LINUX
1194CHECK_TYPE_SIZE(__sysctl_args);
1195CHECK_SIZE_AND_OFFSET(__sysctl_args, name);
1196CHECK_SIZE_AND_OFFSET(__sysctl_args, nlen);
1197CHECK_SIZE_AND_OFFSET(__sysctl_args, oldval);
1198CHECK_SIZE_AND_OFFSET(__sysctl_args, oldlenp);
1199CHECK_SIZE_AND_OFFSET(__sysctl_args, newval);
1200CHECK_SIZE_AND_OFFSET(__sysctl_args, newlen);
1201
1202CHECK_TYPE_SIZE(__kernel_uid_t);
1203CHECK_TYPE_SIZE(__kernel_gid_t);
1204
1205#if SANITIZER_USES_UID16_SYSCALLS
1206CHECK_TYPE_SIZE(__kernel_old_uid_t);
1207CHECK_TYPE_SIZE(__kernel_old_gid_t);
1208#endif
1209
1210CHECK_TYPE_SIZE(__kernel_off_t);
1211CHECK_TYPE_SIZE(__kernel_loff_t);
1212CHECK_TYPE_SIZE(__kernel_fd_set);
1213#endif
1214
1215#if !SANITIZER_ANDROID && !SANITIZER_HAIKU
1216CHECK_TYPE_SIZE(wordexp_t);
1217CHECK_SIZE_AND_OFFSET(wordexp_t, we_wordc);
1218CHECK_SIZE_AND_OFFSET(wordexp_t, we_wordv);
1219CHECK_SIZE_AND_OFFSET(wordexp_t, we_offs);
1220#endif
1221# if SANITIZER_AIX
1222CHECK_SIZE_AND_OFFSET(wordexp_t, we_sflags);
1223CHECK_SIZE_AND_OFFSET(wordexp_t, we_soffs);
1224# endif
1225
1226CHECK_TYPE_SIZE(tm);
1227CHECK_SIZE_AND_OFFSET(tm, tm_sec);
1228CHECK_SIZE_AND_OFFSET(tm, tm_min);
1229CHECK_SIZE_AND_OFFSET(tm, tm_hour);
1230CHECK_SIZE_AND_OFFSET(tm, tm_mday);
1231CHECK_SIZE_AND_OFFSET(tm, tm_mon);
1232CHECK_SIZE_AND_OFFSET(tm, tm_year);
1233CHECK_SIZE_AND_OFFSET(tm, tm_wday);
1234CHECK_SIZE_AND_OFFSET(tm, tm_yday);
1235CHECK_SIZE_AND_OFFSET(tm, tm_isdst);
1236# if !SANITIZER_AIX
1237CHECK_SIZE_AND_OFFSET(tm, tm_gmtoff);
1238CHECK_SIZE_AND_OFFSET(tm, tm_zone);
1239# endif
1240
1241# if SANITIZER_LINUX
1242CHECK_TYPE_SIZE(mntent);
1243CHECK_SIZE_AND_OFFSET(mntent, mnt_fsname);
1244CHECK_SIZE_AND_OFFSET(mntent, mnt_dir);
1245CHECK_SIZE_AND_OFFSET(mntent, mnt_type);
1246CHECK_SIZE_AND_OFFSET(mntent, mnt_opts);
1247CHECK_SIZE_AND_OFFSET(mntent, mnt_freq);
1248CHECK_SIZE_AND_OFFSET(mntent, mnt_passno);
1249#endif
1250
1251#if !SANITIZER_HAIKU
1252CHECK_TYPE_SIZE(ether_addr);
1253#endif
1254
1255#if SANITIZER_GLIBC || SANITIZER_FREEBSD
1256CHECK_TYPE_SIZE(ipc_perm);
1257# if SANITIZER_FREEBSD
1258CHECK_SIZE_AND_OFFSET(ipc_perm, key);
1259CHECK_SIZE_AND_OFFSET(ipc_perm, seq);
1260# else
1261CHECK_SIZE_AND_OFFSET(ipc_perm, __key);
1262CHECK_SIZE_AND_OFFSET(ipc_perm, __seq);
1263# endif
1264CHECK_SIZE_AND_OFFSET(ipc_perm, uid);
1265CHECK_SIZE_AND_OFFSET(ipc_perm, gid);
1266CHECK_SIZE_AND_OFFSET(ipc_perm, cuid);
1267CHECK_SIZE_AND_OFFSET(ipc_perm, cgid);
1268#if !SANITIZER_LINUX || __GLIBC_PREREQ (2, 31)
1269/* glibc 2.30 and earlier provided 16-bit mode field instead of 32-bit
1270 on many architectures. */
1271CHECK_SIZE_AND_OFFSET(ipc_perm, mode);
1272#endif
1273
1274CHECK_TYPE_SIZE(shmid_ds);
1275CHECK_SIZE_AND_OFFSET(shmid_ds, shm_perm);
1276CHECK_SIZE_AND_OFFSET(shmid_ds, shm_segsz);
1277CHECK_SIZE_AND_OFFSET(shmid_ds, shm_atime);
1278CHECK_SIZE_AND_OFFSET(shmid_ds, shm_dtime);
1279CHECK_SIZE_AND_OFFSET(shmid_ds, shm_ctime);
1280CHECK_SIZE_AND_OFFSET(shmid_ds, shm_cpid);
1281CHECK_SIZE_AND_OFFSET(shmid_ds, shm_lpid);
1282CHECK_SIZE_AND_OFFSET(shmid_ds, shm_nattch);
1283#endif
1284
1285CHECK_TYPE_SIZE(clock_t);
1286
1287#if SANITIZER_LINUX
1288CHECK_TYPE_SIZE(clockid_t);
1289#endif
1290
1291# if !SANITIZER_ANDROID && !SANITIZER_HAIKU && !SANITIZER_AIX
1292CHECK_TYPE_SIZE(ifaddrs);
1293CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_next);
1294CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_name);
1295CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_addr);
1296CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_netmask);
1297#if SANITIZER_LINUX || SANITIZER_FREEBSD
1298// Compare against the union, because we can't reach into the union in a
1299// compliant way.
1300#ifdef ifa_dstaddr
1301#undef ifa_dstaddr
1302#endif
1303# if SANITIZER_FREEBSD
1304CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_dstaddr);
1305# else
1306COMPILER_CHECK(sizeof(((__sanitizer_ifaddrs *)nullptr)->ifa_dstaddr) ==
1307 sizeof(((ifaddrs *)nullptr)->ifa_ifu));
1308COMPILER_CHECK(offsetof(__sanitizer_ifaddrs, ifa_dstaddr) ==
1309 offsetof(ifaddrs, ifa_ifu));
1310# endif // SANITIZER_FREEBSD
1311#else
1312CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_dstaddr);
1313#endif // SANITIZER_LINUX
1314CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_data);
1315#endif
1316
1317#if SANITIZER_GLIBC || SANITIZER_ANDROID
1318COMPILER_CHECK(sizeof(__sanitizer_struct_mallinfo) == sizeof(struct mallinfo));
1319#endif
1320
1321#if !SANITIZER_ANDROID
1322CHECK_TYPE_SIZE(timeb);
1323CHECK_SIZE_AND_OFFSET(timeb, time);
1324CHECK_SIZE_AND_OFFSET(timeb, millitm);
1325CHECK_SIZE_AND_OFFSET(timeb, timezone);
1326CHECK_SIZE_AND_OFFSET(timeb, dstflag);
1327#endif
1328
1329CHECK_TYPE_SIZE(passwd);
1330CHECK_SIZE_AND_OFFSET(passwd, pw_name);
1331CHECK_SIZE_AND_OFFSET(passwd, pw_passwd);
1332CHECK_SIZE_AND_OFFSET(passwd, pw_uid);
1333CHECK_SIZE_AND_OFFSET(passwd, pw_gid);
1334CHECK_SIZE_AND_OFFSET(passwd, pw_dir);
1335CHECK_SIZE_AND_OFFSET(passwd, pw_shell);
1336
1337#if !SANITIZER_ANDROID
1338CHECK_SIZE_AND_OFFSET(passwd, pw_gecos);
1339#endif
1340
1341#if SANITIZER_APPLE
1342CHECK_SIZE_AND_OFFSET(passwd, pw_change);
1343CHECK_SIZE_AND_OFFSET(passwd, pw_expire);
1344CHECK_SIZE_AND_OFFSET(passwd, pw_class);
1345#endif
1346
1347
1348CHECK_TYPE_SIZE(group);
1349CHECK_SIZE_AND_OFFSET(group, gr_name);
1350CHECK_SIZE_AND_OFFSET(group, gr_passwd);
1351CHECK_SIZE_AND_OFFSET(group, gr_gid);
1352CHECK_SIZE_AND_OFFSET(group, gr_mem);
1353
1354#if HAVE_RPC_XDR_H && !SANITIZER_APPLE
1355CHECK_TYPE_SIZE(XDR);
1356CHECK_SIZE_AND_OFFSET(XDR, x_op);
1357CHECK_SIZE_AND_OFFSET(XDR, x_ops);
1358CHECK_SIZE_AND_OFFSET(XDR, x_public);
1359CHECK_SIZE_AND_OFFSET(XDR, x_private);
1360CHECK_SIZE_AND_OFFSET(XDR, x_base);
1361CHECK_SIZE_AND_OFFSET(XDR, x_handy);
1362COMPILER_CHECK(__sanitizer_XDR_ENCODE == XDR_ENCODE);
1363COMPILER_CHECK(__sanitizer_XDR_DECODE == XDR_DECODE);
1364COMPILER_CHECK(__sanitizer_XDR_FREE == XDR_FREE);
1365#endif
1366
1367#if SANITIZER_GLIBC
1368COMPILER_CHECK(sizeof(__sanitizer_FILE) <= sizeof(FILE));
1369CHECK_SIZE_AND_OFFSET(FILE, _flags);
1370CHECK_SIZE_AND_OFFSET(FILE, _IO_read_ptr);
1371CHECK_SIZE_AND_OFFSET(FILE, _IO_read_end);
1372CHECK_SIZE_AND_OFFSET(FILE, _IO_read_base);
1373CHECK_SIZE_AND_OFFSET(FILE, _IO_write_ptr);
1374CHECK_SIZE_AND_OFFSET(FILE, _IO_write_end);
1375CHECK_SIZE_AND_OFFSET(FILE, _IO_write_base);
1376CHECK_SIZE_AND_OFFSET(FILE, _IO_buf_base);
1377CHECK_SIZE_AND_OFFSET(FILE, _IO_buf_end);
1378CHECK_SIZE_AND_OFFSET(FILE, _IO_save_base);
1379CHECK_SIZE_AND_OFFSET(FILE, _IO_backup_base);
1380CHECK_SIZE_AND_OFFSET(FILE, _IO_save_end);
1381CHECK_SIZE_AND_OFFSET(FILE, _markers);
1382CHECK_SIZE_AND_OFFSET(FILE, _chain);
1383CHECK_SIZE_AND_OFFSET(FILE, _fileno);
1384
1385COMPILER_CHECK(sizeof(__sanitizer__obstack_chunk) <= sizeof(_obstack_chunk));
1386CHECK_SIZE_AND_OFFSET(_obstack_chunk, limit);
1387CHECK_SIZE_AND_OFFSET(_obstack_chunk, prev);
1388CHECK_TYPE_SIZE(obstack);
1389CHECK_SIZE_AND_OFFSET(obstack, chunk_size);
1390CHECK_SIZE_AND_OFFSET(obstack, chunk);
1391CHECK_SIZE_AND_OFFSET(obstack, object_base);
1392CHECK_SIZE_AND_OFFSET(obstack, next_free);
1393
1394CHECK_TYPE_SIZE(cookie_io_functions_t);
1395CHECK_SIZE_AND_OFFSET(cookie_io_functions_t, read);
1396CHECK_SIZE_AND_OFFSET(cookie_io_functions_t, write);
1397CHECK_SIZE_AND_OFFSET(cookie_io_functions_t, seek);
1398CHECK_SIZE_AND_OFFSET(cookie_io_functions_t, close);
1399#endif // SANITIZER_GLIBC
1400
1401#if SANITIZER_LINUX || SANITIZER_FREEBSD
1402CHECK_TYPE_SIZE(sem_t);
1403#endif
1404
1405#if SANITIZER_LINUX && defined(__arm__)
1406COMPILER_CHECK(ARM_VFPREGS_SIZE == ARM_VFPREGS_SIZE_ASAN);
1407#endif
1408
1409#endif // SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_APPLE
1410