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