//===-- sanitizer_platform_limits_freebsd.h -------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of Sanitizer common code.
//
// Sizes and layouts of platform-specific FreeBSD data structures.
//===----------------------------------------------------------------------===//

#ifndef SANITIZER_PLATFORM_LIMITS_FREEBSD_H
#define SANITIZER_PLATFORM_LIMITS_FREEBSD_H

#if SANITIZER_FREEBSD

#include "sanitizer_internal_defs.h"
#include "sanitizer_platform.h"

#include "sanitizer_platform_limits_posix.h"

// FreeBSD's dlopen() returns a pointer to an Obj_Entry structure that
// incorporates the map structure.
# define GET_LINK_MAP_BY_DLOPEN_HANDLE(handle) \
    ((link_map*)((handle) == nullptr ? nullptr : ((char*)(handle) + 560)))
// Get sys/_types.h, because that tells us whether 64-bit inodes are
// used in struct dirent below.
#include <sys/_types.h>

namespace __sanitizer {
  extern unsigned struct_utsname_sz;
  extern unsigned struct_stat_sz;
#if defined(__powerpc64__)
  const unsigned struct___old_kernel_stat_sz = 0;
#else
  const unsigned struct___old_kernel_stat_sz = 32;
#endif
  extern unsigned struct_rusage_sz;
  extern unsigned siginfo_t_sz;
  extern unsigned struct_itimerval_sz;
  extern unsigned pthread_t_sz;
  extern unsigned pthread_mutex_t_sz;
  extern unsigned pthread_cond_t_sz;
  extern unsigned pid_t_sz;
  extern unsigned timeval_sz;
  extern unsigned uid_t_sz;
  extern unsigned gid_t_sz;
  extern unsigned fpos_t_sz;
  extern unsigned mbstate_t_sz;
  extern unsigned struct_timezone_sz;
  extern unsigned struct_tms_sz;
  extern unsigned struct_itimerspec_sz;
  extern unsigned struct_sigevent_sz;
  extern unsigned struct_sched_param_sz;
  extern unsigned struct_statfs64_sz;
  extern unsigned struct_statfs_sz;
  extern unsigned struct_sockaddr_sz;
  extern unsigned ucontext_t_sz;
  extern unsigned struct_rlimit_sz;
  extern unsigned struct_utimbuf_sz;
  extern unsigned struct_timespec_sz;
  extern unsigned struct_regmatch_sz;
  extern unsigned struct_regex_sz;
  extern unsigned struct_FTS_sz;
  extern unsigned struct_FTSENT_sz;
  extern const int unvis_valid;
  extern const int unvis_validpush;

  struct __sanitizer_iocb {
    u64   aio_data;
    u32   aio_key_or_aio_reserved1; // Simply crazy.
    u32   aio_reserved1_or_aio_key; // Luckily, we don't need these.
    u16   aio_lio_opcode;
    s16   aio_reqprio;
    u32   aio_fildes;
    u64   aio_buf;
    u64   aio_nbytes;
    s64   aio_offset;
    u64   aio_reserved2;
    u64   aio_reserved3;
  };

  struct __sanitizer_io_event {
    u64 data;
    u64 obj;
    u64 res;
    u64 res2;
  };

  const unsigned iocb_cmd_pread = 0;
  const unsigned iocb_cmd_pwrite = 1;
  const unsigned iocb_cmd_preadv = 7;
  const unsigned iocb_cmd_pwritev = 8;

  struct __sanitizer___sysctl_args {
    int *name;
    int nlen;
    void *oldval;
    uptr *oldlenp;
    void *newval;
    uptr newlen;
    unsigned long ___unused[4];
  };

  struct __sanitizer_ipc_perm {
    unsigned int cuid;
    unsigned int cgid;
    unsigned int uid;
    unsigned int gid;
    unsigned short mode;
    unsigned short seq;
    long key;
  };

  struct __sanitizer_shmid_ds {
    __sanitizer_ipc_perm shm_perm;
    unsigned long shm_segsz;
    unsigned int shm_lpid;
    unsigned int shm_cpid;
    int shm_nattch;
    unsigned long shm_atime;
    unsigned long shm_dtime;
    unsigned long shm_ctime;
  };

  extern unsigned struct_msqid_ds_sz;
  extern unsigned struct_mq_attr_sz;
  extern unsigned struct_timeb_sz;
  extern unsigned struct_statvfs_sz;

  struct __sanitizer_iovec {
    void *iov_base;
    uptr iov_len;
  };

  struct __sanitizer_ifaddrs {
    struct __sanitizer_ifaddrs *ifa_next;
    char *ifa_name;
    unsigned int ifa_flags;
    void *ifa_addr;    // (struct sockaddr *)
    void *ifa_netmask; // (struct sockaddr *)
# undef ifa_dstaddr
    void *ifa_dstaddr; // (struct sockaddr *)
    void *ifa_data;
  };

  typedef unsigned __sanitizer_pthread_key_t;

  struct __sanitizer_passwd {
    char *pw_name;
    char *pw_passwd;
    int pw_uid;
    int pw_gid;
    long pw_change;
    char *pw_class;
    char *pw_gecos;
    char *pw_dir;
    char *pw_shell;
    long pw_expire;
    int pw_fields;
  };

  struct __sanitizer_group {
    char *gr_name;
    char *gr_passwd;
    int gr_gid;
    char **gr_mem;
  };

#if defined(__LP64___)
  typedef long long __sanitizer_time_t;
#else
  typedef long __sanitizer_time_t;
#endif

  typedef long __sanitizer_suseconds_t;

  struct __sanitizer_timeval {
    __sanitizer_time_t tv_sec;
    __sanitizer_suseconds_t tv_usec;
  };

  struct __sanitizer_itimerval {
    struct __sanitizer_timeval it_interval;
    struct __sanitizer_timeval it_value;
  };

  struct __sanitizer_timeb {
    __sanitizer_time_t time;
    unsigned short millitm;
    short timezone;
    short dstflag;
  };

  struct __sanitizer_ether_addr {
    u8 octet[6];
  };

  struct __sanitizer_tm {
    int tm_sec;
    int tm_min;
    int tm_hour;
    int tm_mday;
    int tm_mon;
    int tm_year;
    int tm_wday;
    int tm_yday;
    int tm_isdst;
    long int tm_gmtoff;
    const char *tm_zone;
  };

  struct __sanitizer_msghdr {
    void *msg_name;
    unsigned msg_namelen;
    struct __sanitizer_iovec *msg_iov;
    unsigned msg_iovlen;
    void *msg_control;
    unsigned msg_controllen;
    int msg_flags;
  };

  struct __sanitizer_cmsghdr {
    unsigned cmsg_len;
    int cmsg_level;
    int cmsg_type;
  };

  struct __sanitizer_dirent {
#if defined(__INO64)
    unsigned long long d_fileno;
    unsigned long long d_off;
#else
    unsigned int d_fileno;
#endif
    unsigned short d_reclen;
    // more fields that we don't care about
  };

// 'clock_t' is 32 bits wide on x64 FreeBSD
  typedef int __sanitizer_clock_t;
  typedef int __sanitizer_clockid_t;

#if defined(_LP64) || defined(__x86_64__) || defined(__powerpc__)\
                   || defined(__mips__)
  typedef unsigned __sanitizer___kernel_uid_t;
  typedef unsigned __sanitizer___kernel_gid_t;
#else
  typedef unsigned short __sanitizer___kernel_uid_t;
  typedef unsigned short __sanitizer___kernel_gid_t;
#endif
  typedef long long __sanitizer___kernel_off_t;

#if defined(__powerpc__) || defined(__mips__)
  typedef unsigned int __sanitizer___kernel_old_uid_t;
  typedef unsigned int __sanitizer___kernel_old_gid_t;
#else
  typedef unsigned short __sanitizer___kernel_old_uid_t;
  typedef unsigned short __sanitizer___kernel_old_gid_t;
#endif

  typedef long long __sanitizer___kernel_loff_t;
  typedef struct {
    unsigned long fds_bits[1024 / (8 * sizeof(long))];
  } __sanitizer___kernel_fd_set;

  // This thing depends on the platform. We are only interested in the upper
  // limit. Verified with a compiler assert in .cc.
  const int pthread_attr_t_max_sz = 128;
  union __sanitizer_pthread_attr_t {
    char size[pthread_attr_t_max_sz]; // NOLINT
    void *align;
  };

  const unsigned old_sigset_t_sz = sizeof(unsigned long);

  struct __sanitizer_sigset_t {
     // uint32_t * 4
     unsigned int __bits[4];
  };

  typedef __sanitizer_sigset_t __sanitizer_kernel_sigset_t;

  struct __sanitizer_siginfo {
    // The size is determined by looking at sizeof of real siginfo_t on linux.
    u64 opaque[128 / sizeof(u64)];
  };

  using __sanitizer_sighandler_ptr = void (*)(int sig);
  using __sanitizer_sigactionhandler_ptr =
      void (*)(int sig, __sanitizer_siginfo *siginfo, void *uctx);

  struct __sanitizer_sigaction {
    union {
      __sanitizer_sigactionhandler_ptr sigaction;
      __sanitizer_sighandler_ptr handler;
    };
    int sa_flags;
    __sanitizer_sigset_t sa_mask;
  };

  struct __sanitizer_sem_t {
    u32 data[4];
  };

  extern const uptr sig_ign;
  extern const uptr sig_dfl;
  extern const uptr sig_err;
  extern const uptr sa_siginfo;

  extern int af_inet;
  extern int af_inet6;
  uptr __sanitizer_in_addr_sz(int af);

  struct __sanitizer_dl_phdr_info {
    uptr dlpi_addr;
    const char *dlpi_name;
    const void *dlpi_phdr;
    short dlpi_phnum;
  };

  extern unsigned struct_ElfW_Phdr_sz;

  struct __sanitizer_addrinfo {
    int ai_flags;
    int ai_family;
    int ai_socktype;
    int ai_protocol;
    unsigned ai_addrlen;
    char *ai_canonname;
    void *ai_addr;
    struct __sanitizer_addrinfo *ai_next;
  };

  struct __sanitizer_hostent {
    char *h_name;
    char **h_aliases;
    int h_addrtype;
    int h_length;
    char **h_addr_list;
  };

  struct __sanitizer_pollfd {
    int fd;
    short events;
    short revents;
  };

  typedef unsigned __sanitizer_nfds_t;

  struct __sanitizer_glob_t {
    uptr gl_pathc;
    uptr gl_matchc;
    uptr gl_offs;
    int gl_flags;
    char **gl_pathv;
    int (*gl_errfunc)(const char*, int);
    void (*gl_closedir)(void *dirp);
    struct dirent *(*gl_readdir)(void *dirp);
    void *(*gl_opendir)(const char*);
    int (*gl_lstat)(const char*, void* /* struct stat* */);
    int (*gl_stat)(const char*, void* /* struct stat* */);
  };

  extern int glob_nomatch;
  extern int glob_altdirfunc;

  extern unsigned path_max;

  struct __sanitizer_wordexp_t {
    uptr we_wordc;
    char **we_wordv;
    uptr we_offs;
    char *we_strings;
    uptr we_nbytes;
  };

  typedef void __sanitizer_FILE;

  extern unsigned struct_shminfo_sz;
  extern unsigned struct_shm_info_sz;
  extern int shmctl_ipc_stat;
  extern int shmctl_ipc_info;
  extern int shmctl_shm_info;
  extern int shmctl_shm_stat;

  extern unsigned struct_utmpx_sz;

  extern int map_fixed;

  // ioctl arguments
  struct __sanitizer_ifconf {
    int ifc_len;
    union {
      void *ifcu_req;
    } ifc_ifcu;
  };

#define IOC_NRBITS 8
#define IOC_TYPEBITS 8
#if defined(__powerpc__) || defined(__powerpc64__) || defined(__mips__)
#define IOC_SIZEBITS 13
#define IOC_DIRBITS 3
#define IOC_NONE 1U
#define IOC_WRITE 4U
#define IOC_READ 2U
#else
#define IOC_SIZEBITS 14
#define IOC_DIRBITS 2
#define IOC_NONE 0U
#define IOC_WRITE 1U
#define IOC_READ 2U
#endif
#define IOC_NRMASK ((1 << IOC_NRBITS) - 1)
#define IOC_TYPEMASK ((1 << IOC_TYPEBITS) - 1)
#define IOC_SIZEMASK ((1 << IOC_SIZEBITS) - 1)
#if defined(IOC_DIRMASK)
#undef IOC_DIRMASK
#endif
#define IOC_DIRMASK ((1 << IOC_DIRBITS) - 1)
#define IOC_NRSHIFT 0
#define IOC_TYPESHIFT (IOC_NRSHIFT + IOC_NRBITS)
#define IOC_SIZESHIFT (IOC_TYPESHIFT + IOC_TYPEBITS)
#define IOC_DIRSHIFT (IOC_SIZESHIFT + IOC_SIZEBITS)
#define EVIOC_EV_MAX 0x1f
#define EVIOC_ABS_MAX 0x3f

#define IOC_DIR(nr) (((nr) >> IOC_DIRSHIFT) & IOC_DIRMASK)
#define IOC_TYPE(nr) (((nr) >> IOC_TYPESHIFT) & IOC_TYPEMASK)
#define IOC_NR(nr) (((nr) >> IOC_NRSHIFT) & IOC_NRMASK)
#define IOC_SIZE(nr) (((nr) >> IOC_SIZESHIFT) & IOC_SIZEMASK)

  extern unsigned struct_ifreq_sz;
  extern unsigned struct_termios_sz;
  extern unsigned struct_winsize_sz;

  extern unsigned struct_copr_buffer_sz;
  extern unsigned struct_copr_debug_buf_sz;
  extern unsigned struct_copr_msg_sz;
  extern unsigned struct_midi_info_sz;
  extern unsigned struct_mtget_sz;
  extern unsigned struct_mtop_sz;
  extern unsigned struct_rtentry_sz;
  extern unsigned struct_sbi_instrument_sz;
  extern unsigned struct_seq_event_rec_sz;
  extern unsigned struct_synth_info_sz;
  extern unsigned struct_vt_mode_sz;

  extern const unsigned long __sanitizer_bufsiz;
  extern unsigned struct_audio_buf_info_sz;
  extern unsigned struct_ppp_stats_sz;
  extern unsigned struct_sioc_sg_req_sz;
  extern unsigned struct_sioc_vif_req_sz;

  // ioctl request identifiers

  // A special value to mark ioctls that are not present on the target platform,
  // when it can not be determined without including any system headers.
  extern const unsigned IOCTL_NOT_PRESENT;

  extern unsigned IOCTL_FIOASYNC;
  extern unsigned IOCTL_FIOCLEX;
  extern unsigned IOCTL_FIOGETOWN;
  extern unsigned IOCTL_FIONBIO;
  extern unsigned IOCTL_FIONCLEX;
  extern unsigned IOCTL_FIOSETOWN;
  extern unsigned IOCTL_SIOCADDMULTI;
  extern unsigned IOCTL_SIOCATMARK;
  extern unsigned IOCTL_SIOCDELMULTI;
  extern unsigned IOCTL_SIOCGIFADDR;
  extern unsigned IOCTL_SIOCGIFBRDADDR;
  extern unsigned IOCTL_SIOCGIFCONF;
  extern unsigned IOCTL_SIOCGIFDSTADDR;
  extern unsigned IOCTL_SIOCGIFFLAGS;
  extern unsigned IOCTL_SIOCGIFMETRIC;
  extern unsigned IOCTL_SIOCGIFMTU;
  extern unsigned IOCTL_SIOCGIFNETMASK;
  extern unsigned IOCTL_SIOCGPGRP;
  extern unsigned IOCTL_SIOCSIFADDR;
  extern unsigned IOCTL_SIOCSIFBRDADDR;
  extern unsigned IOCTL_SIOCSIFDSTADDR;
  extern unsigned IOCTL_SIOCSIFFLAGS;
  extern unsigned IOCTL_SIOCSIFMETRIC;
  extern unsigned IOCTL_SIOCSIFMTU;
  extern unsigned IOCTL_SIOCSIFNETMASK;
  extern unsigned IOCTL_SIOCSPGRP;
  extern unsigned IOCTL_TIOCCONS;
  extern unsigned IOCTL_TIOCEXCL;
  extern unsigned IOCTL_TIOCGETD;
  extern unsigned IOCTL_TIOCGPGRP;
  extern unsigned IOCTL_TIOCGWINSZ;
  extern unsigned IOCTL_TIOCMBIC;
  extern unsigned IOCTL_TIOCMBIS;
  extern unsigned IOCTL_TIOCMGET;
  extern unsigned IOCTL_TIOCMSET;
  extern unsigned IOCTL_TIOCNOTTY;
  extern unsigned IOCTL_TIOCNXCL;
  extern unsigned IOCTL_TIOCOUTQ;
  extern unsigned IOCTL_TIOCPKT;
  extern unsigned IOCTL_TIOCSCTTY;
  extern unsigned IOCTL_TIOCSETD;
  extern unsigned IOCTL_TIOCSPGRP;
  extern unsigned IOCTL_TIOCSTI;
  extern unsigned IOCTL_TIOCSWINSZ;
  extern unsigned IOCTL_SIOCGETSGCNT;
  extern unsigned IOCTL_SIOCGETVIFCNT;
  extern unsigned IOCTL_MTIOCGET;
  extern unsigned IOCTL_MTIOCTOP;
  extern unsigned IOCTL_SIOCADDRT;
  extern unsigned IOCTL_SIOCDELRT;
  extern unsigned IOCTL_SNDCTL_DSP_GETBLKSIZE;
  extern unsigned IOCTL_SNDCTL_DSP_GETFMTS;
  extern unsigned IOCTL_SNDCTL_DSP_NONBLOCK;
  extern unsigned IOCTL_SNDCTL_DSP_POST;
  extern unsigned IOCTL_SNDCTL_DSP_RESET;
  extern unsigned IOCTL_SNDCTL_DSP_SETFMT;
  extern unsigned IOCTL_SNDCTL_DSP_SETFRAGMENT;
  extern unsigned IOCTL_SNDCTL_DSP_SPEED;
  extern unsigned IOCTL_SNDCTL_DSP_STEREO;
  extern unsigned IOCTL_SNDCTL_DSP_SUBDIVIDE;
  extern unsigned IOCTL_SNDCTL_DSP_SYNC;
  extern unsigned IOCTL_SNDCTL_FM_4OP_ENABLE;
  extern unsigned IOCTL_SNDCTL_FM_LOAD_INSTR;
  extern unsigned IOCTL_SNDCTL_MIDI_INFO;
  extern unsigned IOCTL_SNDCTL_MIDI_PRETIME;
  extern unsigned IOCTL_SNDCTL_SEQ_CTRLRATE;
  extern unsigned IOCTL_SNDCTL_SEQ_GETINCOUNT;
  extern unsigned IOCTL_SNDCTL_SEQ_GETOUTCOUNT;
  extern unsigned IOCTL_SNDCTL_SEQ_NRMIDIS;
  extern unsigned IOCTL_SNDCTL_SEQ_NRSYNTHS;
  extern unsigned IOCTL_SNDCTL_SEQ_OUTOFBAND;
  extern unsigned IOCTL_SNDCTL_SEQ_PANIC;
  extern unsigned IOCTL_SNDCTL_SEQ_PERCMODE;
  extern unsigned IOCTL_SNDCTL_SEQ_RESET;
  extern unsigned IOCTL_SNDCTL_SEQ_RESETSAMPLES;
  extern unsigned IOCTL_SNDCTL_SEQ_SYNC;
  extern unsigned IOCTL_SNDCTL_SEQ_TESTMIDI;
  extern unsigned IOCTL_SNDCTL_SEQ_THRESHOLD;
  extern unsigned IOCTL_SNDCTL_SYNTH_INFO;
  extern unsigned IOCTL_SNDCTL_SYNTH_MEMAVL;
  extern unsigned IOCTL_SNDCTL_TMR_CONTINUE;
  extern unsigned IOCTL_SNDCTL_TMR_METRONOME;
  extern unsigned IOCTL_SNDCTL_TMR_SELECT;
  extern unsigned IOCTL_SNDCTL_TMR_SOURCE;
  extern unsigned IOCTL_SNDCTL_TMR_START;
  extern unsigned IOCTL_SNDCTL_TMR_STOP;
  extern unsigned IOCTL_SNDCTL_TMR_TEMPO;
  extern unsigned IOCTL_SNDCTL_TMR_TIMEBASE;
  extern unsigned IOCTL_SOUND_MIXER_READ_ALTPCM;
  extern unsigned IOCTL_SOUND_MIXER_READ_BASS;
  extern unsigned IOCTL_SOUND_MIXER_READ_CAPS;
  extern unsigned IOCTL_SOUND_MIXER_READ_CD;
  extern unsigned IOCTL_SOUND_MIXER_READ_DEVMASK;
  extern unsigned IOCTL_SOUND_MIXER_READ_ENHANCE;
  extern unsigned IOCTL_SOUND_MIXER_READ_IGAIN;
  extern unsigned IOCTL_SOUND_MIXER_READ_IMIX;
  extern unsigned IOCTL_SOUND_MIXER_READ_LINE1;
  extern unsigned IOCTL_SOUND_MIXER_READ_LINE2;
  extern unsigned IOCTL_SOUND_MIXER_READ_LINE3;
  extern unsigned IOCTL_SOUND_MIXER_READ_LINE;
  extern unsigned IOCTL_SOUND_MIXER_READ_LOUD;
  extern unsigned IOCTL_SOUND_MIXER_READ_MIC;
  extern unsigned IOCTL_SOUND_MIXER_READ_MUTE;
  extern unsigned IOCTL_SOUND_MIXER_READ_OGAIN;
  extern unsigned IOCTL_SOUND_MIXER_READ_PCM;
  extern unsigned IOCTL_SOUND_MIXER_READ_RECLEV;
  extern unsigned IOCTL_SOUND_MIXER_READ_RECMASK;
  extern unsigned IOCTL_SOUND_MIXER_READ_RECSRC;
  extern unsigned IOCTL_SOUND_MIXER_READ_SPEAKER;
  extern unsigned IOCTL_SOUND_MIXER_READ_STEREODEVS;
  extern unsigned IOCTL_SOUND_MIXER_READ_SYNTH;
  extern unsigned IOCTL_SOUND_MIXER_READ_TREBLE;
  extern unsigned IOCTL_SOUND_MIXER_READ_VOLUME;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_ALTPCM;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_BASS;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_CD;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_ENHANCE;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_IGAIN;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_IMIX;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE1;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE2;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE3;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_LINE;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_LOUD;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_MIC;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_MUTE;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_OGAIN;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_PCM;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_RECLEV;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_RECSRC;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_SPEAKER;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_SYNTH;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_TREBLE;
  extern unsigned IOCTL_SOUND_MIXER_WRITE_VOLUME;
  extern unsigned IOCTL_SOUND_PCM_READ_BITS;
  extern unsigned IOCTL_SOUND_PCM_READ_CHANNELS;
  extern unsigned IOCTL_SOUND_PCM_READ_FILTER;
  extern unsigned IOCTL_SOUND_PCM_READ_RATE;
  extern unsigned IOCTL_SOUND_PCM_WRITE_CHANNELS;
  extern unsigned IOCTL_SOUND_PCM_WRITE_FILTER;
  extern unsigned IOCTL_VT_ACTIVATE;
  extern unsigned IOCTL_VT_GETMODE;
  extern unsigned IOCTL_VT_OPENQRY;
  extern unsigned IOCTL_VT_RELDISP;
  extern unsigned IOCTL_VT_SETMODE;
  extern unsigned IOCTL_VT_WAITACTIVE;
  extern unsigned IOCTL_GIO_SCRNMAP;
  extern unsigned IOCTL_KDDISABIO;
  extern unsigned IOCTL_KDENABIO;
  extern unsigned IOCTL_KDGETLED;
  extern unsigned IOCTL_KDGETMODE;
  extern unsigned IOCTL_KDGKBMODE;
  extern unsigned IOCTL_KDGKBTYPE;
  extern unsigned IOCTL_KDMKTONE;
  extern unsigned IOCTL_KDSETLED;
  extern unsigned IOCTL_KDSETMODE;
  extern unsigned IOCTL_KDSKBMODE;

  extern const int si_SEGV_MAPERR;
  extern const int si_SEGV_ACCERR;

  struct __sanitizer_cap_rights {
    u64 cr_rights[2];
  };

  typedef struct __sanitizer_cap_rights __sanitizer_cap_rights_t;
  extern unsigned struct_cap_rights_sz;

  extern unsigned struct_fstab_sz;
  extern unsigned struct_StringList_sz;
} // namespace __sanitizer

#define CHECK_TYPE_SIZE(TYPE) \
  COMPILER_CHECK(sizeof(__sanitizer_##TYPE) == sizeof(TYPE))

#define CHECK_SIZE_AND_OFFSET(CLASS, MEMBER)                       \
  COMPILER_CHECK(sizeof(((__sanitizer_##CLASS *) NULL)->MEMBER) == \
                 sizeof(((CLASS *) NULL)->MEMBER));                \
  COMPILER_CHECK(offsetof(__sanitizer_##CLASS, MEMBER) ==          \
                 offsetof(CLASS, MEMBER))

// For sigaction, which is a function and struct at the same time,
// and thus requires explicit "struct" in sizeof() expression.
#define CHECK_STRUCT_SIZE_AND_OFFSET(CLASS, MEMBER)                       \
  COMPILER_CHECK(sizeof(((struct __sanitizer_##CLASS *) NULL)->MEMBER) == \
                 sizeof(((struct CLASS *) NULL)->MEMBER));                \
  COMPILER_CHECK(offsetof(struct __sanitizer_##CLASS, MEMBER) ==          \
                 offsetof(struct CLASS, MEMBER))

#define SIGACTION_SYMNAME sigaction

#endif

#endif // SANITIZER_FREEBSD