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      1 //===-- sanitizer_platform_limits_solaris.h -------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 //
     10 // This file is a part of Sanitizer common code.
     11 //
     12 // Sizes and layouts of platform-specific Solaris data structures.
     13 //===----------------------------------------------------------------------===//
     14 
     15 #ifndef SANITIZER_PLATFORM_LIMITS_SOLARIS_H
     16 #define SANITIZER_PLATFORM_LIMITS_SOLARIS_H
     17 
     18 #if SANITIZER_SOLARIS
     19 
     20 #include "sanitizer_internal_defs.h"
     21 #include "sanitizer_platform.h"
     22 
     23 namespace __sanitizer {
     24 extern unsigned struct_utsname_sz;
     25 extern unsigned struct_stat_sz;
     26 extern unsigned struct_stat64_sz;
     27 extern unsigned struct_rusage_sz;
     28 extern unsigned siginfo_t_sz;
     29 extern unsigned struct_itimerval_sz;
     30 extern unsigned pthread_t_sz;
     31 extern unsigned pthread_mutex_t_sz;
     32 extern unsigned pthread_cond_t_sz;
     33 extern unsigned pid_t_sz;
     34 extern unsigned timeval_sz;
     35 extern unsigned uid_t_sz;
     36 extern unsigned gid_t_sz;
     37 extern unsigned mbstate_t_sz;
     38 extern unsigned struct_timezone_sz;
     39 extern unsigned struct_tms_sz;
     40 extern unsigned struct_itimerspec_sz;
     41 extern unsigned struct_sigevent_sz;
     42 extern unsigned struct_sched_param_sz;
     43 extern unsigned struct_statfs64_sz;
     44 extern unsigned struct_statfs_sz;
     45 extern unsigned struct_sockaddr_sz;
     46 extern unsigned ucontext_t_sz;
     47 
     48 extern unsigned struct_timespec_sz;
     49 extern unsigned struct_rlimit_sz;
     50 extern unsigned struct_utimbuf_sz;
     51 
     52 struct __sanitizer_sem_t {
     53   //u64 data[6];
     54   u32 sem_count;
     55   u16 sem_type;
     56   u16 sem_magic;
     57   u64 sem_pad1[3];
     58   u64 sem_pad2[2];
     59 };
     60 
     61 struct __sanitizer_ipc_perm {
     62   unsigned int uid;           // uid_t
     63   unsigned int gid;           // gid_t
     64   unsigned int cuid;          // uid_t
     65   unsigned int cgid;          // gid_t
     66   unsigned int mode;          // mode_t
     67   unsigned int seq;           // uint_t
     68   int key;                    // key_t
     69 #if !defined(_LP64)
     70   int pad[4];
     71 #endif
     72   };
     73 
     74 struct __sanitizer_shmid_ds {
     75   __sanitizer_ipc_perm shm_perm;
     76   unsigned long shm_segsz;    // size_t
     77   unsigned long shm_flags;    // uintptr_t
     78   unsigned short shm_lkcnt;   // ushort_t
     79   int shm_lpid;               // pid_t
     80   int shm_cpid;               // pid_t
     81   unsigned long shm_nattch;   // shmatt_t
     82   unsigned long shm_cnattch;  // ulong_t
     83 #if defined(_LP64)
     84   long shm_atime;             // time_t
     85   long shm_dtime;
     86   long shm_ctime;
     87   void *shm_amp;
     88   u64 shm_gransize;           // uint64_t
     89   u64 shm_allocated;          // uint64_t
     90   u64 shm_pad4[1];            // int64_t
     91 #else
     92   long shm_atime;             // time_t
     93   int shm_pad1;               // int32_t
     94   long shm_dtime;             // time_t
     95   int shm_pad2;               // int32_t
     96   long shm_ctime;             // time_t
     97   void *shm_amp;
     98   u64 shm_gransize;           // uint64_t
     99   u64 shm_allocated;          // uint64_t
    100 #endif
    101 };
    102 
    103 extern unsigned struct_statvfs_sz;
    104 #if SANITIZER_SOLARIS32
    105 extern unsigned struct_statvfs64_sz;
    106 #endif
    107 
    108 struct __sanitizer_iovec {
    109   void *iov_base;
    110   uptr iov_len;
    111 };
    112 
    113 struct __sanitizer_ifaddrs {
    114   struct __sanitizer_ifaddrs *ifa_next;
    115   char *ifa_name;
    116   u64 ifa_flags;     // uint64_t
    117   void *ifa_addr;    // (struct sockaddr *)
    118   void *ifa_netmask; // (struct sockaddr *)
    119   // This is a union on Linux.
    120 # ifdef ifa_dstaddr
    121 # undef ifa_dstaddr
    122 # endif
    123   void *ifa_dstaddr; // (struct sockaddr *)
    124   void *ifa_data;
    125 };
    126 
    127 typedef unsigned __sanitizer_pthread_key_t;
    128 
    129 struct __sanitizer_XDR {
    130   int x_op;
    131   void *x_ops;
    132   uptr x_public;
    133   uptr x_private;
    134   uptr x_base;
    135   unsigned x_handy;
    136 };
    137 
    138 const int __sanitizer_XDR_ENCODE = 0;
    139 const int __sanitizer_XDR_DECODE = 1;
    140 const int __sanitizer_XDR_FREE = 2;
    141 
    142 struct __sanitizer_passwd {
    143   char *pw_name;
    144   char *pw_passwd;
    145   unsigned int pw_uid;    // uid_t
    146   unsigned int pw_gid;    // gid_t
    147   char *pw_age;
    148   char *pw_comment;
    149   char *pw_gecos;
    150   char *pw_dir;
    151   char *pw_shell;
    152 };
    153 
    154 struct __sanitizer_group {
    155   char *gr_name;
    156   char *gr_passwd;
    157   int gr_gid;
    158   char **gr_mem;
    159 };
    160 
    161 typedef long __sanitizer_time_t;
    162 
    163 typedef long __sanitizer_suseconds_t;
    164 
    165 struct __sanitizer_timeval {
    166   __sanitizer_time_t tv_sec;
    167   __sanitizer_suseconds_t tv_usec;
    168 };
    169 
    170 struct __sanitizer_itimerval {
    171   struct __sanitizer_timeval it_interval;
    172   struct __sanitizer_timeval it_value;
    173 };
    174 
    175 struct __sanitizer_timeb {
    176   __sanitizer_time_t time;
    177   unsigned short millitm;
    178   short timezone;
    179   short dstflag;
    180 };
    181 
    182 struct __sanitizer_ether_addr {
    183   u8 octet[6];
    184 };
    185 
    186 struct __sanitizer_tm {
    187   int tm_sec;
    188   int tm_min;
    189   int tm_hour;
    190   int tm_mday;
    191   int tm_mon;
    192   int tm_year;
    193   int tm_wday;
    194   int tm_yday;
    195   int tm_isdst;
    196 };
    197 
    198 struct __sanitizer_msghdr {
    199   void *msg_name;
    200   unsigned msg_namelen;
    201   struct __sanitizer_iovec *msg_iov;
    202   unsigned msg_iovlen;
    203   void *msg_control;
    204   unsigned msg_controllen;
    205   int msg_flags;
    206 };
    207 struct __sanitizer_cmsghdr {
    208   unsigned cmsg_len;
    209   int cmsg_level;
    210   int cmsg_type;
    211 };
    212 
    213 #if SANITIZER_SOLARIS && (defined(_LP64) || _FILE_OFFSET_BITS == 64)
    214 struct __sanitizer_dirent {
    215   unsigned long long d_ino;
    216   long long d_off;
    217   unsigned short d_reclen;
    218   // more fields that we don't care about
    219 };
    220 #else
    221 struct __sanitizer_dirent {
    222   unsigned long d_ino;
    223   long d_off;
    224   unsigned short d_reclen;
    225   // more fields that we don't care about
    226 };
    227 #endif
    228 
    229 struct __sanitizer_dirent64 {
    230   unsigned long long d_ino;
    231   unsigned long long d_off;
    232   unsigned short d_reclen;
    233   // more fields that we don't care about
    234 };
    235 
    236 typedef long __sanitizer_clock_t;
    237 typedef int __sanitizer_clockid_t;
    238 
    239 // This thing depends on the platform. We are only interested in the upper
    240 // limit. Verified with a compiler assert in .cc.
    241 const int pthread_attr_t_max_sz = 128;
    242 union __sanitizer_pthread_attr_t {
    243   char size[pthread_attr_t_max_sz]; // NOLINT
    244   void *align;
    245 };
    246 
    247 struct __sanitizer_sigset_t {
    248   // uint32_t * 4
    249   unsigned int __bits[4];
    250 };
    251 
    252 struct __sanitizer_siginfo {
    253   // The size is determined by looking at sizeof of real siginfo_t on linux.
    254   u64 opaque[128 / sizeof(u64)];
    255 };
    256 
    257 using __sanitizer_sighandler_ptr = void (*)(int sig);
    258 using __sanitizer_sigactionhandler_ptr =
    259     void (*)(int sig, __sanitizer_siginfo *siginfo, void *uctx);
    260 
    261 struct __sanitizer_sigaction {
    262   int sa_flags;
    263   union {
    264     __sanitizer_sigactionhandler_ptr sigaction;
    265     __sanitizer_sighandler_ptr handler;
    266   };
    267   __sanitizer_sigset_t sa_mask;
    268 #if !defined(_LP64)
    269   int sa_resv[2];
    270 #endif
    271 };
    272 
    273 struct __sanitizer_kernel_sigset_t {
    274   u8 sig[8];
    275 };
    276 
    277 struct __sanitizer_kernel_sigaction_t {
    278   union {
    279     void (*handler)(int signo);
    280     void (*sigaction)(int signo, __sanitizer_siginfo *info, void *ctx);
    281   };
    282   unsigned long sa_flags;
    283   void (*sa_restorer)(void);
    284   __sanitizer_kernel_sigset_t sa_mask;
    285 };
    286 
    287 extern const uptr sig_ign;
    288 extern const uptr sig_dfl;
    289 extern const uptr sig_err;
    290 extern const uptr sa_siginfo;
    291 
    292 extern int af_inet;
    293 extern int af_inet6;
    294 uptr __sanitizer_in_addr_sz(int af);
    295 
    296 struct __sanitizer_dl_phdr_info {
    297   uptr dlpi_addr;
    298   const char *dlpi_name;
    299   const void *dlpi_phdr;
    300   short dlpi_phnum;
    301 };
    302 
    303 extern unsigned struct_ElfW_Phdr_sz;
    304 
    305 struct __sanitizer_addrinfo {
    306   int ai_flags;
    307   int ai_family;
    308   int ai_socktype;
    309   int ai_protocol;
    310 #if defined(__sparcv9)
    311   int _ai_pad;
    312 #endif
    313   unsigned ai_addrlen;
    314   char *ai_canonname;
    315   void *ai_addr;
    316   struct __sanitizer_addrinfo *ai_next;
    317 };
    318 
    319 struct __sanitizer_hostent {
    320   char *h_name;
    321   char **h_aliases;
    322   int h_addrtype;
    323   int h_length;
    324   char **h_addr_list;
    325 };
    326 
    327 struct __sanitizer_pollfd {
    328   int fd;
    329   short events;
    330   short revents;
    331 };
    332 
    333 typedef unsigned long __sanitizer_nfds_t;
    334 
    335 struct __sanitizer_glob_t {
    336   uptr gl_pathc;
    337   char **gl_pathv;
    338   uptr gl_offs;
    339   char **gl_pathp;
    340   int gl_pathn;
    341 };
    342 
    343 extern int glob_nomatch;
    344 extern int glob_altdirfunc;
    345 
    346 extern unsigned path_max;
    347 
    348 struct __sanitizer_wordexp_t {
    349   uptr we_wordc;
    350   char **we_wordv;
    351   uptr we_offs;
    352   char **we_wordp;
    353   int we_wordn;
    354 };
    355 
    356 typedef void __sanitizer_FILE;
    357 #define SANITIZER_HAS_STRUCT_FILE 0
    358 
    359 // This simplifies generic code
    360 #define struct_shminfo_sz -1
    361 #define struct_shm_info_sz -1
    362 #define shmctl_shm_stat -1
    363 #define shmctl_ipc_info -1
    364 #define shmctl_shm_info -1
    365 
    366 extern int shmctl_ipc_stat;
    367 
    368 extern unsigned struct_utmp_sz;
    369 extern unsigned struct_utmpx_sz;
    370 
    371 extern int map_fixed;
    372 
    373 // ioctl arguments
    374 struct __sanitizer_ifconf {
    375   int ifc_len;
    376   union {
    377     void *ifcu_req;
    378   } ifc_ifcu;
    379 };
    380 
    381 // <sys/ioccom.h>
    382 #define IOC_NRBITS 8
    383 #define IOC_TYPEBITS 8
    384 #define IOC_SIZEBITS 12
    385 #define IOC_DIRBITS 4
    386 #undef IOC_NONE
    387 #define IOC_NONE 2U     // IOC_VOID
    388 #define IOC_READ 4U     // IOC_OUT
    389 #define IOC_WRITE 8U    // IOC_IN
    390 
    391 #define IOC_NRMASK ((1 << IOC_NRBITS) - 1)
    392 #define IOC_TYPEMASK ((1 << IOC_TYPEBITS) - 1)
    393 #define IOC_SIZEMASK ((1 << IOC_SIZEBITS) - 1)
    394 #define IOC_DIRMASK ((1 << IOC_DIRBITS) - 1)
    395 #define IOC_NRSHIFT 0
    396 #define IOC_TYPESHIFT (IOC_NRSHIFT + IOC_NRBITS)
    397 #define IOC_SIZESHIFT (IOC_TYPESHIFT + IOC_TYPEBITS)
    398 #define IOC_DIRSHIFT (IOC_SIZESHIFT + IOC_SIZEBITS)
    399 
    400 #define IOC_DIR(nr) (((nr) >> IOC_DIRSHIFT) & IOC_DIRMASK)
    401 #define IOC_TYPE(nr) (((nr) >> IOC_TYPESHIFT) & IOC_TYPEMASK)
    402 #define IOC_NR(nr) (((nr) >> IOC_NRSHIFT) & IOC_NRMASK)
    403 
    404 #if defined(__sparc__)
    405 // In sparc the 14 bits SIZE field overlaps with the
    406 // least significant bit of DIR, so either IOC_READ or
    407 // IOC_WRITE shall be 1 in order to get a non-zero SIZE.
    408 #define IOC_SIZE(nr) \
    409   ((((((nr) >> 29) & 0x7) & (4U | 2U)) == 0) ? 0 : (((nr) >> 16) & 0x3fff))
    410 #else
    411 #define IOC_SIZE(nr) (((nr) >> IOC_SIZESHIFT) & IOC_SIZEMASK)
    412 #endif
    413 
    414 extern unsigned struct_ifreq_sz;
    415 extern unsigned struct_termios_sz;
    416 extern unsigned struct_winsize_sz;
    417 
    418 extern unsigned struct_sioc_sg_req_sz;
    419 extern unsigned struct_sioc_vif_req_sz;
    420 
    421 // ioctl request identifiers
    422 
    423 // A special value to mark ioctls that are not present on the target platform,
    424 // when it can not be determined without including any system headers.
    425 extern const unsigned IOCTL_NOT_PRESENT;
    426 
    427 extern unsigned IOCTL_FIOASYNC;
    428 extern unsigned IOCTL_FIOCLEX;
    429 extern unsigned IOCTL_FIOGETOWN;
    430 extern unsigned IOCTL_FIONBIO;
    431 extern unsigned IOCTL_FIONCLEX;
    432 extern unsigned IOCTL_FIOSETOWN;
    433 extern unsigned IOCTL_SIOCADDMULTI;
    434 extern unsigned IOCTL_SIOCATMARK;
    435 extern unsigned IOCTL_SIOCDELMULTI;
    436 extern unsigned IOCTL_SIOCGIFADDR;
    437 extern unsigned IOCTL_SIOCGIFBRDADDR;
    438 extern unsigned IOCTL_SIOCGIFCONF;
    439 extern unsigned IOCTL_SIOCGIFDSTADDR;
    440 extern unsigned IOCTL_SIOCGIFFLAGS;
    441 extern unsigned IOCTL_SIOCGIFMETRIC;
    442 extern unsigned IOCTL_SIOCGIFMTU;
    443 extern unsigned IOCTL_SIOCGIFNETMASK;
    444 extern unsigned IOCTL_SIOCGPGRP;
    445 extern unsigned IOCTL_SIOCSIFADDR;
    446 extern unsigned IOCTL_SIOCSIFBRDADDR;
    447 extern unsigned IOCTL_SIOCSIFDSTADDR;
    448 extern unsigned IOCTL_SIOCSIFFLAGS;
    449 extern unsigned IOCTL_SIOCSIFMETRIC;
    450 extern unsigned IOCTL_SIOCSIFMTU;
    451 extern unsigned IOCTL_SIOCSIFNETMASK;
    452 extern unsigned IOCTL_SIOCSPGRP;
    453 extern unsigned IOCTL_TIOCEXCL;
    454 extern unsigned IOCTL_TIOCGETD;
    455 extern unsigned IOCTL_TIOCGPGRP;
    456 extern unsigned IOCTL_TIOCGWINSZ;
    457 extern unsigned IOCTL_TIOCMBIC;
    458 extern unsigned IOCTL_TIOCMBIS;
    459 extern unsigned IOCTL_TIOCMGET;
    460 extern unsigned IOCTL_TIOCMSET;
    461 extern unsigned IOCTL_TIOCNOTTY;
    462 extern unsigned IOCTL_TIOCNXCL;
    463 extern unsigned IOCTL_TIOCOUTQ;
    464 extern unsigned IOCTL_TIOCPKT;
    465 extern unsigned IOCTL_TIOCSCTTY;
    466 extern unsigned IOCTL_TIOCSETD;
    467 extern unsigned IOCTL_TIOCSPGRP;
    468 extern unsigned IOCTL_TIOCSTI;
    469 extern unsigned IOCTL_TIOCSWINSZ;
    470 extern unsigned IOCTL_MTIOCGET;
    471 extern unsigned IOCTL_MTIOCTOP;
    472 
    473 extern const int si_SEGV_MAPERR;
    474 extern const int si_SEGV_ACCERR;
    475 }  // namespace __sanitizer
    476 
    477 #define CHECK_TYPE_SIZE(TYPE) \
    478   COMPILER_CHECK(sizeof(__sanitizer_##TYPE) == sizeof(TYPE))
    479 
    480 #define CHECK_SIZE_AND_OFFSET(CLASS, MEMBER)                       \
    481   COMPILER_CHECK(sizeof(((__sanitizer_##CLASS *) NULL)->MEMBER) == \
    482                  sizeof(((CLASS *) NULL)->MEMBER));                \
    483   COMPILER_CHECK(offsetof(__sanitizer_##CLASS, MEMBER) ==          \
    484                  offsetof(CLASS, MEMBER))
    485 
    486 // For sigaction, which is a function and struct at the same time,
    487 // and thus requires explicit "struct" in sizeof() expression.
    488 #define CHECK_STRUCT_SIZE_AND_OFFSET(CLASS, MEMBER)                       \
    489   COMPILER_CHECK(sizeof(((struct __sanitizer_##CLASS *) NULL)->MEMBER) == \
    490                  sizeof(((struct CLASS *) NULL)->MEMBER));                \
    491   COMPILER_CHECK(offsetof(struct __sanitizer_##CLASS, MEMBER) ==          \
    492                  offsetof(struct CLASS, MEMBER))
    493 
    494 #endif  // SANITIZER_SOLARIS
    495 
    496 #endif
    497