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_stack_t_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 unsigned ucontext_t_sz(void *ctx);
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 .cpp.
241 union __sanitizer_pthread_attr_t {
242   char size[128];
243   void *align;
244 };
245 
246 struct __sanitizer_sigset_t {
247   // uint32_t * 4
248   unsigned int __bits[4];
249 };
250 
251 struct __sanitizer_siginfo {
252   // The size is determined by looking at sizeof of real siginfo_t on linux.
253   u64 opaque[128 / sizeof(u64)];
254 };
255 
256 using __sanitizer_sighandler_ptr = void (*)(int sig);
257 using __sanitizer_sigactionhandler_ptr =
258     void (*)(int sig, __sanitizer_siginfo *siginfo, void *uctx);
259 
260 struct __sanitizer_sigaction {
261   int sa_flags;
262   union {
263     __sanitizer_sigactionhandler_ptr sigaction;
264     __sanitizer_sighandler_ptr handler;
265   };
266   __sanitizer_sigset_t sa_mask;
267 #if !defined(_LP64)
268   int sa_resv[2];
269 #endif
270 };
271 
272 struct __sanitizer_kernel_sigset_t {
273   u8 sig[8];
274 };
275 
276 struct __sanitizer_kernel_sigaction_t {
277   union {
278     void (*handler)(int signo);
279     void (*sigaction)(int signo, __sanitizer_siginfo *info, void *ctx);
280   };
281   unsigned long sa_flags;
282   void (*sa_restorer)(void);
283   __sanitizer_kernel_sigset_t sa_mask;
284 };
285 
286 extern const uptr sig_ign;
287 extern const uptr sig_dfl;
288 extern const uptr sig_err;
289 extern const uptr sa_siginfo;
290 
291 extern int af_inet;
292 extern int af_inet6;
293 uptr __sanitizer_in_addr_sz(int af);
294 
295 struct __sanitizer_dl_phdr_info {
296   uptr dlpi_addr;
297   const char *dlpi_name;
298   const void *dlpi_phdr;
299   short dlpi_phnum;
300 };
301 
302 extern unsigned struct_ElfW_Phdr_sz;
303 
304 struct __sanitizer_addrinfo {
305   int ai_flags;
306   int ai_family;
307   int ai_socktype;
308   int ai_protocol;
309 #if defined(__sparcv9)
310   int _ai_pad;
311 #endif
312   unsigned ai_addrlen;
313   char *ai_canonname;
314   void *ai_addr;
315   struct __sanitizer_addrinfo *ai_next;
316 };
317 
318 struct __sanitizer_hostent {
319   char *h_name;
320   char **h_aliases;
321   int h_addrtype;
322   int h_length;
323   char **h_addr_list;
324 };
325 
326 struct __sanitizer_pollfd {
327   int fd;
328   short events;
329   short revents;
330 };
331 
332 typedef unsigned long __sanitizer_nfds_t;
333 
334 struct __sanitizer_glob_t {
335   uptr gl_pathc;
336   char **gl_pathv;
337   uptr gl_offs;
338   char **gl_pathp;
339   int gl_pathn;
340 };
341 
342 extern int glob_nomatch;
343 extern int glob_altdirfunc;
344 extern const int wordexp_wrde_dooffs;
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