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1da177e4 LT |
1 | #ifndef _LINUX_COMPAT_H |
2 | #define _LINUX_COMPAT_H | |
3 | /* | |
4 | * These are the type definitions for the architecture specific | |
5 | * syscall compatibility layer. | |
6 | */ | |
1da177e4 LT |
7 | |
8 | #ifdef CONFIG_COMPAT | |
9 | ||
10 | #include <linux/stat.h> | |
11 | #include <linux/param.h> /* for HZ */ | |
12 | #include <linux/sem.h> | |
2dceba14 AB |
13 | #include <linux/socket.h> |
14 | #include <linux/if.h> | |
be84cb43 | 15 | #include <linux/fs.h> |
45e9683e | 16 | #include <linux/aio_abi.h> /* for aio_context_t */ |
f5b972e9 | 17 | #include <linux/unistd.h> |
1da177e4 LT |
18 | |
19 | #include <asm/compat.h> | |
20 | #include <asm/siginfo.h> | |
3f2e05e9 | 21 | #include <asm/signal.h> |
1da177e4 | 22 | |
45e87781 L |
23 | #ifndef COMPAT_USE_64BIT_TIME |
24 | #define COMPAT_USE_64BIT_TIME 0 | |
25 | #endif | |
26 | ||
46836613 AV |
27 | #ifndef __SC_DELOUSE |
28 | #define __SC_DELOUSE(t,v) ((t)(unsigned long)(v)) | |
29 | #endif | |
30 | ||
217f4433 HC |
31 | #define COMPAT_SYSCALL_DEFINE0(name) \ |
32 | asmlinkage long compat_sys_##name(void) | |
33 | ||
46836613 AV |
34 | #define COMPAT_SYSCALL_DEFINE1(name, ...) \ |
35 | COMPAT_SYSCALL_DEFINEx(1, _##name, __VA_ARGS__) | |
36 | #define COMPAT_SYSCALL_DEFINE2(name, ...) \ | |
37 | COMPAT_SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) | |
38 | #define COMPAT_SYSCALL_DEFINE3(name, ...) \ | |
39 | COMPAT_SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) | |
40 | #define COMPAT_SYSCALL_DEFINE4(name, ...) \ | |
41 | COMPAT_SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) | |
42 | #define COMPAT_SYSCALL_DEFINE5(name, ...) \ | |
43 | COMPAT_SYSCALL_DEFINEx(5, _##name, __VA_ARGS__) | |
44 | #define COMPAT_SYSCALL_DEFINE6(name, ...) \ | |
45 | COMPAT_SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) | |
46 | ||
46836613 | 47 | #define COMPAT_SYSCALL_DEFINEx(x, name, ...) \ |
83460ec8 AK |
48 | asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))\ |
49 | __attribute__((alias(__stringify(compat_SyS##name)))); \ | |
07fe6e00 | 50 | static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ |
f9597f24 | 51 | asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__));\ |
07fe6e00 | 52 | asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__))\ |
46836613 | 53 | { \ |
07fe6e00 | 54 | return C_SYSC##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__)); \ |
46836613 | 55 | } \ |
07fe6e00 | 56 | static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__)) |
46836613 | 57 | |
9b064fc3 AV |
58 | #ifndef compat_user_stack_pointer |
59 | #define compat_user_stack_pointer() current_user_stack_pointer() | |
60 | #endif | |
90268439 AV |
61 | #ifndef compat_sigaltstack /* we'll need that for MIPS */ |
62 | typedef struct compat_sigaltstack { | |
63 | compat_uptr_t ss_sp; | |
64 | int ss_flags; | |
65 | compat_size_t ss_size; | |
66 | } compat_stack_t; | |
67 | #endif | |
90268439 | 68 | |
1da177e4 LT |
69 | #define compat_jiffies_to_clock_t(x) \ |
70 | (((unsigned long)(x) * COMPAT_USER_HZ) / HZ) | |
71 | ||
202e5979 SR |
72 | typedef __compat_uid32_t compat_uid_t; |
73 | typedef __compat_gid32_t compat_gid_t; | |
74 | ||
932602e2 HC |
75 | typedef compat_ulong_t compat_aio_context_t; |
76 | ||
5d0e5283 | 77 | struct compat_sel_arg_struct; |
1da177e4 LT |
78 | struct rusage; |
79 | ||
4800a5bb | 80 | struct compat_itimerspec { |
1da177e4 LT |
81 | struct compat_timespec it_interval; |
82 | struct compat_timespec it_value; | |
83 | }; | |
84 | ||
85 | struct compat_utimbuf { | |
86 | compat_time_t actime; | |
87 | compat_time_t modtime; | |
88 | }; | |
89 | ||
90 | struct compat_itimerval { | |
91 | struct compat_timeval it_interval; | |
92 | struct compat_timeval it_value; | |
93 | }; | |
94 | ||
95 | struct compat_tms { | |
96 | compat_clock_t tms_utime; | |
97 | compat_clock_t tms_stime; | |
98 | compat_clock_t tms_cutime; | |
99 | compat_clock_t tms_cstime; | |
100 | }; | |
101 | ||
88959ea9 SR |
102 | struct compat_timex { |
103 | compat_uint_t modes; | |
104 | compat_long_t offset; | |
105 | compat_long_t freq; | |
106 | compat_long_t maxerror; | |
107 | compat_long_t esterror; | |
108 | compat_int_t status; | |
109 | compat_long_t constant; | |
110 | compat_long_t precision; | |
111 | compat_long_t tolerance; | |
112 | struct compat_timeval time; | |
113 | compat_long_t tick; | |
114 | compat_long_t ppsfreq; | |
115 | compat_long_t jitter; | |
116 | compat_int_t shift; | |
117 | compat_long_t stabil; | |
118 | compat_long_t jitcnt; | |
119 | compat_long_t calcnt; | |
120 | compat_long_t errcnt; | |
121 | compat_long_t stbcnt; | |
153b5d05 | 122 | compat_int_t tai; |
88959ea9 | 123 | |
4800a5bb CM |
124 | compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; |
125 | compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; | |
126 | compat_int_t:32; compat_int_t:32; compat_int_t:32; | |
88959ea9 SR |
127 | }; |
128 | ||
1da177e4 LT |
129 | #define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW) |
130 | ||
131 | typedef struct { | |
132 | compat_sigset_word sig[_COMPAT_NSIG_WORDS]; | |
133 | } compat_sigset_t; | |
134 | ||
08d32fe5 | 135 | struct compat_sigaction { |
2a148698 | 136 | #ifndef __ARCH_HAS_IRIX_SIGACTION |
08d32fe5 AV |
137 | compat_uptr_t sa_handler; |
138 | compat_ulong_t sa_flags; | |
139 | #else | |
2a148698 | 140 | compat_uint_t sa_flags; |
08d32fe5 AV |
141 | compat_uptr_t sa_handler; |
142 | #endif | |
143 | #ifdef __ARCH_HAS_SA_RESTORER | |
144 | compat_uptr_t sa_restorer; | |
145 | #endif | |
146 | compat_sigset_t sa_mask __packed; | |
147 | }; | |
08d32fe5 | 148 | |
6684ba20 PA |
149 | /* |
150 | * These functions operate on 32- or 64-bit specs depending on | |
81993e81 | 151 | * COMPAT_USE_64BIT_TIME, hence the void user pointer arguments. |
6684ba20 PA |
152 | */ |
153 | extern int compat_get_timespec(struct timespec *, const void __user *); | |
154 | extern int compat_put_timespec(const struct timespec *, void __user *); | |
155 | extern int compat_get_timeval(struct timeval *, const void __user *); | |
156 | extern int compat_put_timeval(const struct timeval *, void __user *); | |
1da177e4 | 157 | |
81993e81 PA |
158 | /* |
159 | * This function convert a timespec if necessary and returns a *user | |
160 | * space* pointer. If no conversion is necessary, it returns the | |
161 | * initial pointer. NULL is a legitimate argument and will always | |
162 | * output NULL. | |
163 | */ | |
164 | extern int compat_convert_timespec(struct timespec __user **, | |
165 | const void __user *); | |
166 | ||
1da177e4 LT |
167 | struct compat_iovec { |
168 | compat_uptr_t iov_base; | |
169 | compat_size_t iov_len; | |
170 | }; | |
171 | ||
172 | struct compat_rlimit { | |
173 | compat_ulong_t rlim_cur; | |
174 | compat_ulong_t rlim_max; | |
175 | }; | |
176 | ||
177 | struct compat_rusage { | |
178 | struct compat_timeval ru_utime; | |
179 | struct compat_timeval ru_stime; | |
180 | compat_long_t ru_maxrss; | |
181 | compat_long_t ru_ixrss; | |
182 | compat_long_t ru_idrss; | |
183 | compat_long_t ru_isrss; | |
184 | compat_long_t ru_minflt; | |
185 | compat_long_t ru_majflt; | |
186 | compat_long_t ru_nswap; | |
187 | compat_long_t ru_inblock; | |
188 | compat_long_t ru_oublock; | |
189 | compat_long_t ru_msgsnd; | |
190 | compat_long_t ru_msgrcv; | |
191 | compat_long_t ru_nsignals; | |
192 | compat_long_t ru_nvcsw; | |
193 | compat_long_t ru_nivcsw; | |
194 | }; | |
195 | ||
4800a5bb CM |
196 | extern int put_compat_rusage(const struct rusage *, |
197 | struct compat_rusage __user *); | |
1da177e4 LT |
198 | |
199 | struct compat_siginfo; | |
200 | ||
201 | extern asmlinkage long compat_sys_waitid(int, compat_pid_t, | |
202 | struct compat_siginfo __user *, int, | |
203 | struct compat_rusage __user *); | |
204 | ||
205 | struct compat_dirent { | |
206 | u32 d_ino; | |
207 | compat_off_t d_off; | |
208 | u16 d_reclen; | |
209 | char d_name[256]; | |
210 | }; | |
211 | ||
2b1c6bd7 CH |
212 | struct compat_ustat { |
213 | compat_daddr_t f_tfree; | |
214 | compat_ino_t f_tinode; | |
215 | char f_fname[6]; | |
216 | char f_fpack[6]; | |
217 | }; | |
218 | ||
1da177e4 LT |
219 | #define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3) |
220 | ||
221 | typedef struct compat_sigevent { | |
222 | compat_sigval_t sigev_value; | |
223 | compat_int_t sigev_signo; | |
224 | compat_int_t sigev_notify; | |
225 | union { | |
226 | compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE]; | |
227 | compat_int_t _tid; | |
228 | ||
229 | struct { | |
230 | compat_uptr_t _function; | |
231 | compat_uptr_t _attribute; | |
232 | } _sigev_thread; | |
233 | } _sigev_un; | |
234 | } compat_sigevent_t; | |
235 | ||
2dceba14 AB |
236 | struct compat_ifmap { |
237 | compat_ulong_t mem_start; | |
238 | compat_ulong_t mem_end; | |
239 | unsigned short base_addr; | |
240 | unsigned char irq; | |
241 | unsigned char dma; | |
242 | unsigned char port; | |
243 | }; | |
244 | ||
4800a5bb | 245 | struct compat_if_settings { |
7a50a240 AB |
246 | unsigned int type; /* Type of physical device or protocol */ |
247 | unsigned int size; /* Size of the data allocated by the caller */ | |
248 | compat_uptr_t ifs_ifsu; /* union of pointers */ | |
249 | }; | |
250 | ||
2dceba14 | 251 | struct compat_ifreq { |
7a50a240 AB |
252 | union { |
253 | char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ | |
254 | } ifr_ifrn; | |
255 | union { | |
256 | struct sockaddr ifru_addr; | |
257 | struct sockaddr ifru_dstaddr; | |
258 | struct sockaddr ifru_broadaddr; | |
259 | struct sockaddr ifru_netmask; | |
260 | struct sockaddr ifru_hwaddr; | |
261 | short ifru_flags; | |
262 | compat_int_t ifru_ivalue; | |
263 | compat_int_t ifru_mtu; | |
264 | struct compat_ifmap ifru_map; | |
265 | char ifru_slave[IFNAMSIZ]; /* Just fits the size */ | |
2dceba14 | 266 | char ifru_newname[IFNAMSIZ]; |
7a50a240 AB |
267 | compat_caddr_t ifru_data; |
268 | struct compat_if_settings ifru_settings; | |
269 | } ifr_ifru; | |
2dceba14 AB |
270 | }; |
271 | ||
272 | struct compat_ifconf { | |
4800a5bb CM |
273 | compat_int_t ifc_len; /* size of buffer */ |
274 | compat_caddr_t ifcbuf; | |
2dceba14 AB |
275 | }; |
276 | ||
34f192c6 IM |
277 | struct compat_robust_list { |
278 | compat_uptr_t next; | |
279 | }; | |
280 | ||
281 | struct compat_robust_list_head { | |
282 | struct compat_robust_list list; | |
283 | compat_long_t futex_offset; | |
284 | compat_uptr_t list_op_pending; | |
285 | }; | |
286 | ||
495dfbf7 AV |
287 | #ifdef CONFIG_COMPAT_OLD_SIGACTION |
288 | struct compat_old_sigaction { | |
289 | compat_uptr_t sa_handler; | |
290 | compat_old_sigset_t sa_mask; | |
291 | compat_ulong_t sa_flags; | |
292 | compat_uptr_t sa_restorer; | |
293 | }; | |
294 | #endif | |
295 | ||
be84cb43 CM |
296 | struct compat_statfs; |
297 | struct compat_statfs64; | |
298 | struct compat_old_linux_dirent; | |
299 | struct compat_linux_dirent; | |
300 | struct linux_dirent64; | |
301 | struct compat_msghdr; | |
302 | struct compat_mmsghdr; | |
303 | struct compat_sysinfo; | |
304 | struct compat_sysctl_args; | |
305 | struct compat_kexec_segment; | |
306 | struct compat_mq_attr; | |
48b25c43 | 307 | struct compat_msgbuf; |
be84cb43 | 308 | |
34f192c6 IM |
309 | extern void compat_exit_robust_list(struct task_struct *curr); |
310 | ||
311 | asmlinkage long | |
312 | compat_sys_set_robust_list(struct compat_robust_list_head __user *head, | |
313 | compat_size_t len); | |
314 | asmlinkage long | |
ba46df98 | 315 | compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr, |
34f192c6 | 316 | compat_size_t __user *len_ptr); |
1da177e4 | 317 | |
56e41d3c | 318 | asmlinkage long compat_sys_ipc(u32, int, int, u32, compat_uptr_t, u32); |
0e65a81b AV |
319 | asmlinkage long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg); |
320 | asmlinkage long compat_sys_semctl(int semid, int semnum, int cmd, int arg); | |
321 | asmlinkage long compat_sys_msgsnd(int msqid, compat_uptr_t msgp, | |
05ba3f1a | 322 | compat_ssize_t msgsz, int msgflg); |
0e65a81b | 323 | asmlinkage long compat_sys_msgrcv(int msqid, compat_uptr_t msgp, |
291fdb0b | 324 | compat_ssize_t msgsz, compat_long_t msgtyp, int msgflg); |
48b25c43 | 325 | long compat_sys_msgctl(int first, int second, void __user *uptr); |
1da177e4 LT |
326 | long compat_sys_shmctl(int first, int second, void __user *uptr); |
327 | long compat_sys_semtimedop(int semid, struct sembuf __user *tsems, | |
328 | unsigned nsems, const struct compat_timespec __user *timeout); | |
329 | asmlinkage long compat_sys_keyctl(u32 option, | |
330 | u32 arg2, u32 arg3, u32 arg4, u32 arg5); | |
2b1c6bd7 | 331 | asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32); |
1da177e4 | 332 | |
dfd948e3 HC |
333 | asmlinkage ssize_t compat_sys_readv(compat_ulong_t fd, |
334 | const struct compat_iovec __user *vec, compat_ulong_t vlen); | |
335 | asmlinkage ssize_t compat_sys_writev(compat_ulong_t fd, | |
336 | const struct compat_iovec __user *vec, compat_ulong_t vlen); | |
337 | asmlinkage ssize_t compat_sys_preadv(compat_ulong_t fd, | |
f3554f4b | 338 | const struct compat_iovec __user *vec, |
dfd948e3 HC |
339 | compat_ulong_t vlen, u32 pos_low, u32 pos_high); |
340 | asmlinkage ssize_t compat_sys_pwritev(compat_ulong_t fd, | |
f3554f4b | 341 | const struct compat_iovec __user *vec, |
dfd948e3 | 342 | compat_ulong_t vlen, u32 pos_low, u32 pos_high); |
378a10f3 HC |
343 | |
344 | #ifdef __ARCH_WANT_COMPAT_SYS_PREADV64 | |
345 | asmlinkage long compat_sys_preadv64(unsigned long fd, | |
346 | const struct compat_iovec __user *vec, | |
347 | unsigned long vlen, loff_t pos); | |
348 | #endif | |
349 | ||
350 | #ifdef __ARCH_WANT_COMPAT_SYS_PWRITEV64 | |
351 | asmlinkage long compat_sys_pwritev64(unsigned long fd, | |
352 | const struct compat_iovec __user *vec, | |
353 | unsigned long vlen, loff_t pos); | |
354 | #endif | |
355 | ||
e5fbf67d | 356 | asmlinkage long compat_sys_lseek(unsigned int, compat_off_t, unsigned int); |
1da177e4 | 357 | |
38b983b3 AV |
358 | asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv, |
359 | const compat_uptr_t __user *envp); | |
51f39a1f DD |
360 | asmlinkage long compat_sys_execveat(int dfd, const char __user *filename, |
361 | const compat_uptr_t __user *argv, | |
362 | const compat_uptr_t __user *envp, int flags); | |
1da177e4 LT |
363 | |
364 | asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, | |
365 | compat_ulong_t __user *outp, compat_ulong_t __user *exp, | |
366 | struct compat_timeval __user *tvp); | |
367 | ||
5d0e5283 CH |
368 | asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg); |
369 | ||
c202f298 | 370 | asmlinkage long compat_sys_wait4(compat_pid_t pid, |
7d61c459 AV |
371 | compat_uint_t __user *stat_addr, int options, |
372 | struct compat_rusage __user *ru); | |
c202f298 | 373 | |
1da177e4 LT |
374 | #define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t)) |
375 | ||
376 | #define BITS_TO_COMPAT_LONGS(bits) \ | |
377 | (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG) | |
378 | ||
5fa3839a | 379 | long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask, |
1da177e4 LT |
380 | unsigned long bitmap_size); |
381 | long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask, | |
382 | unsigned long bitmap_size); | |
383 | int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from); | |
ce395960 | 384 | int copy_siginfo_to_user32(struct compat_siginfo __user *to, const siginfo_t *from); |
1da177e4 LT |
385 | int get_compat_sigevent(struct sigevent *event, |
386 | const struct compat_sigevent __user *u_event); | |
62ab4505 TG |
387 | long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig, |
388 | struct compat_siginfo __user *uinfo); | |
495dfbf7 AV |
389 | #ifdef CONFIG_COMPAT_OLD_SIGACTION |
390 | asmlinkage long compat_sys_sigaction(int sig, | |
391 | const struct compat_old_sigaction __user *act, | |
392 | struct compat_old_sigaction __user *oact); | |
393 | #endif | |
1da177e4 | 394 | |
643a6545 AM |
395 | static inline int compat_timeval_compare(struct compat_timeval *lhs, |
396 | struct compat_timeval *rhs) | |
397 | { | |
398 | if (lhs->tv_sec < rhs->tv_sec) | |
399 | return -1; | |
400 | if (lhs->tv_sec > rhs->tv_sec) | |
401 | return 1; | |
402 | return lhs->tv_usec - rhs->tv_usec; | |
403 | } | |
404 | ||
405 | static inline int compat_timespec_compare(struct compat_timespec *lhs, | |
406 | struct compat_timespec *rhs) | |
407 | { | |
408 | if (lhs->tv_sec < rhs->tv_sec) | |
409 | return -1; | |
410 | if (lhs->tv_sec > rhs->tv_sec) | |
411 | return 1; | |
412 | return lhs->tv_nsec - rhs->tv_nsec; | |
413 | } | |
414 | ||
83f5d126 DL |
415 | extern int get_compat_itimerspec(struct itimerspec *dst, |
416 | const struct compat_itimerspec __user *src); | |
417 | extern int put_compat_itimerspec(struct compat_itimerspec __user *dst, | |
418 | const struct itimerspec *src); | |
419 | ||
b418da16 CH |
420 | asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, |
421 | struct timezone __user *tz); | |
422 | asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, | |
423 | struct timezone __user *tz); | |
424 | ||
3158e941 SR |
425 | asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); |
426 | ||
8db14860 | 427 | extern __printf(1, 2) int compat_printk(const char *fmt, ...); |
322a56cb AV |
428 | extern void sigset_from_compat(sigset_t *set, const compat_sigset_t *compat); |
429 | extern void sigset_to_compat(compat_sigset_t *compat, const sigset_t *set); | |
bebfa101 | 430 | |
3fd59397 SR |
431 | asmlinkage long compat_sys_migrate_pages(compat_pid_t pid, |
432 | compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes, | |
433 | const compat_ulong_t __user *new_nodes); | |
434 | ||
032d82d9 RM |
435 | extern int compat_ptrace_request(struct task_struct *child, |
436 | compat_long_t request, | |
437 | compat_ulong_t addr, compat_ulong_t data); | |
438 | ||
c269f196 RM |
439 | extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request, |
440 | compat_ulong_t addr, compat_ulong_t data); | |
441 | asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, | |
442 | compat_long_t addr, compat_long_t data); | |
c269f196 | 443 | |
d8d14bd0 | 444 | asmlinkage long compat_sys_lookup_dcookie(u32, u32, char __user *, compat_size_t); |
f6dfb4fd DL |
445 | /* |
446 | * epoll (fs/eventpoll.c) compat bits follow ... | |
447 | */ | |
35280bd4 | 448 | struct epoll_event; /* fortunately, this one is fixed-layout */ |
f6dfb4fd | 449 | asmlinkage long compat_sys_epoll_pwait(int epfd, |
35280bd4 | 450 | struct epoll_event __user *events, |
f6dfb4fd DL |
451 | int maxevents, int timeout, |
452 | const compat_sigset_t __user *sigmask, | |
453 | compat_size_t sigsetsize); | |
454 | ||
be84cb43 CM |
455 | asmlinkage long compat_sys_utime(const char __user *filename, |
456 | struct compat_utimbuf __user *t); | |
4800a5bb CM |
457 | asmlinkage long compat_sys_utimensat(unsigned int dfd, |
458 | const char __user *filename, | |
459 | struct compat_timespec __user *t, | |
460 | int flags); | |
97416ce8 | 461 | |
be84cb43 CM |
462 | asmlinkage long compat_sys_time(compat_time_t __user *tloc); |
463 | asmlinkage long compat_sys_stime(compat_time_t __user *tptr); | |
140ff8b0 | 464 | asmlinkage long compat_sys_signalfd(int ufd, |
4800a5bb CM |
465 | const compat_sigset_t __user *sigmask, |
466 | compat_size_t sigsetsize); | |
4d672e7a DL |
467 | asmlinkage long compat_sys_timerfd_settime(int ufd, int flags, |
468 | const struct compat_itimerspec __user *utmr, | |
469 | struct compat_itimerspec __user *otmr); | |
470 | asmlinkage long compat_sys_timerfd_gettime(int ufd, | |
471 | struct compat_itimerspec __user *otmr); | |
140ff8b0 | 472 | |
2f2728f6 | 473 | asmlinkage long compat_sys_move_pages(pid_t pid, compat_ulong_t nr_pages, |
4c696ba7 HC |
474 | __u32 __user *pages, |
475 | const int __user *nodes, | |
476 | int __user *status, | |
477 | int flags); | |
4800a5bb CM |
478 | asmlinkage long compat_sys_futimesat(unsigned int dfd, |
479 | const char __user *filename, | |
4c696ba7 | 480 | struct compat_timeval __user *t); |
be84cb43 CM |
481 | asmlinkage long compat_sys_utimes(const char __user *filename, |
482 | struct compat_timeval __user *t); | |
4800a5bb | 483 | asmlinkage long compat_sys_newstat(const char __user *filename, |
be84cb43 | 484 | struct compat_stat __user *statbuf); |
4800a5bb | 485 | asmlinkage long compat_sys_newlstat(const char __user *filename, |
be84cb43 | 486 | struct compat_stat __user *statbuf); |
4800a5bb CM |
487 | asmlinkage long compat_sys_newfstatat(unsigned int dfd, |
488 | const char __user *filename, | |
4c696ba7 HC |
489 | struct compat_stat __user *statbuf, |
490 | int flag); | |
be84cb43 | 491 | asmlinkage long compat_sys_newfstat(unsigned int fd, |
4800a5bb | 492 | struct compat_stat __user *statbuf); |
be84cb43 CM |
493 | asmlinkage long compat_sys_statfs(const char __user *pathname, |
494 | struct compat_statfs __user *buf); | |
495 | asmlinkage long compat_sys_fstatfs(unsigned int fd, | |
496 | struct compat_statfs __user *buf); | |
497 | asmlinkage long compat_sys_statfs64(const char __user *pathname, | |
498 | compat_size_t sz, | |
499 | struct compat_statfs64 __user *buf); | |
500 | asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, | |
501 | struct compat_statfs64 __user *buf); | |
502 | asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd, | |
932602e2 | 503 | compat_ulong_t arg); |
be84cb43 | 504 | asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd, |
932602e2 | 505 | compat_ulong_t arg); |
be84cb43 | 506 | asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p); |
932602e2 HC |
507 | asmlinkage long compat_sys_io_getevents(compat_aio_context_t ctx_id, |
508 | compat_long_t min_nr, | |
509 | compat_long_t nr, | |
be84cb43 CM |
510 | struct io_event __user *events, |
511 | struct compat_timespec __user *timeout); | |
932602e2 | 512 | asmlinkage long compat_sys_io_submit(compat_aio_context_t ctx_id, int nr, |
be84cb43 | 513 | u32 __user *iocb); |
4800a5bb CM |
514 | asmlinkage long compat_sys_mount(const char __user *dev_name, |
515 | const char __user *dir_name, | |
932602e2 | 516 | const char __user *type, compat_ulong_t flags, |
4800a5bb | 517 | const void __user *data); |
be84cb43 CM |
518 | asmlinkage long compat_sys_old_readdir(unsigned int fd, |
519 | struct compat_old_linux_dirent __user *, | |
520 | unsigned int count); | |
521 | asmlinkage long compat_sys_getdents(unsigned int fd, | |
522 | struct compat_linux_dirent __user *dirent, | |
523 | unsigned int count); | |
0473c9b5 | 524 | #ifdef __ARCH_WANT_COMPAT_SYS_GETDENTS64 |
be84cb43 | 525 | asmlinkage long compat_sys_getdents64(unsigned int fd, |
4800a5bb | 526 | struct linux_dirent64 __user *dirent, |
be84cb43 | 527 | unsigned int count); |
0473c9b5 | 528 | #endif |
be84cb43 CM |
529 | asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *, |
530 | unsigned int nr_segs, unsigned int flags); | |
531 | asmlinkage long compat_sys_open(const char __user *filename, int flags, | |
a218d0fd | 532 | umode_t mode); |
f482e1b4 | 533 | asmlinkage long compat_sys_openat(int dfd, const char __user *filename, |
a218d0fd | 534 | int flags, umode_t mode); |
be84cb43 CM |
535 | asmlinkage long compat_sys_open_by_handle_at(int mountdirfd, |
536 | struct file_handle __user *handle, | |
537 | int flags); | |
3f6d078d AV |
538 | asmlinkage long compat_sys_truncate(const char __user *, compat_off_t); |
539 | asmlinkage long compat_sys_ftruncate(unsigned int, compat_ulong_t); | |
be84cb43 CM |
540 | asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp, |
541 | compat_ulong_t __user *outp, | |
542 | compat_ulong_t __user *exp, | |
543 | struct compat_timespec __user *tsp, | |
544 | void __user *sig); | |
545 | asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, | |
546 | unsigned int nfds, | |
547 | struct compat_timespec __user *tsp, | |
548 | const compat_sigset_t __user *sigmask, | |
549 | compat_size_t sigsetsize); | |
be84cb43 CM |
550 | asmlinkage long compat_sys_signalfd4(int ufd, |
551 | const compat_sigset_t __user *sigmask, | |
552 | compat_size_t sigsetsize, int flags); | |
553 | asmlinkage long compat_sys_get_mempolicy(int __user *policy, | |
554 | compat_ulong_t __user *nmask, | |
555 | compat_ulong_t maxnode, | |
556 | compat_ulong_t addr, | |
557 | compat_ulong_t flags); | |
558 | asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask, | |
559 | compat_ulong_t maxnode); | |
560 | asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len, | |
561 | compat_ulong_t mode, | |
562 | compat_ulong_t __user *nmask, | |
563 | compat_ulong_t maxnode, compat_ulong_t flags); | |
564 | ||
565 | asmlinkage long compat_sys_setsockopt(int fd, int level, int optname, | |
566 | char __user *optval, unsigned int optlen); | |
567 | asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, | |
568 | unsigned flags); | |
507c5f12 CM |
569 | asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg, |
570 | unsigned vlen, unsigned int flags); | |
be84cb43 CM |
571 | asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, |
572 | unsigned int flags); | |
3a49a0f7 | 573 | asmlinkage long compat_sys_recv(int fd, void __user *buf, compat_size_t len, |
be84cb43 | 574 | unsigned flags); |
3a49a0f7 | 575 | asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, compat_size_t len, |
be84cb43 CM |
576 | unsigned flags, struct sockaddr __user *addr, |
577 | int __user *addrlen); | |
578 | asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg, | |
579 | unsigned vlen, unsigned int flags, | |
580 | struct compat_timespec __user *timeout); | |
581 | asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp, | |
582 | struct compat_timespec __user *rmtp); | |
583 | asmlinkage long compat_sys_getitimer(int which, | |
584 | struct compat_itimerval __user *it); | |
585 | asmlinkage long compat_sys_setitimer(int which, | |
586 | struct compat_itimerval __user *in, | |
587 | struct compat_itimerval __user *out); | |
588 | asmlinkage long compat_sys_times(struct compat_tms __user *tbuf); | |
589 | asmlinkage long compat_sys_setrlimit(unsigned int resource, | |
590 | struct compat_rlimit __user *rlim); | |
4800a5bb CM |
591 | asmlinkage long compat_sys_getrlimit(unsigned int resource, |
592 | struct compat_rlimit __user *rlim); | |
be84cb43 CM |
593 | asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru); |
594 | asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid, | |
595 | unsigned int len, | |
596 | compat_ulong_t __user *user_mask_ptr); | |
597 | asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid, | |
598 | unsigned int len, | |
599 | compat_ulong_t __user *user_mask_ptr); | |
600 | asmlinkage long compat_sys_timer_create(clockid_t which_clock, | |
601 | struct compat_sigevent __user *timer_event_spec, | |
602 | timer_t __user *created_timer_id); | |
603 | asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags, | |
604 | struct compat_itimerspec __user *new, | |
605 | struct compat_itimerspec __user *old); | |
606 | asmlinkage long compat_sys_timer_gettime(timer_t timer_id, | |
607 | struct compat_itimerspec __user *setting); | |
608 | asmlinkage long compat_sys_clock_settime(clockid_t which_clock, | |
609 | struct compat_timespec __user *tp); | |
610 | asmlinkage long compat_sys_clock_gettime(clockid_t which_clock, | |
611 | struct compat_timespec __user *tp); | |
612 | asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock, | |
613 | struct compat_timex __user *tp); | |
614 | asmlinkage long compat_sys_clock_getres(clockid_t which_clock, | |
615 | struct compat_timespec __user *tp); | |
616 | asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags, | |
617 | struct compat_timespec __user *rqtp, | |
618 | struct compat_timespec __user *rmtp); | |
4800a5bb | 619 | asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese, |
be84cb43 CM |
620 | struct compat_siginfo __user *uinfo, |
621 | struct compat_timespec __user *uts, compat_size_t sigsetsize); | |
622 | asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset, | |
623 | compat_size_t sigsetsize); | |
322a56cb AV |
624 | asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set, |
625 | compat_sigset_t __user *oset, | |
626 | compat_size_t sigsetsize); | |
fe9c1db2 AV |
627 | asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset, |
628 | compat_size_t sigsetsize); | |
08d32fe5 | 629 | #ifndef CONFIG_ODD_RT_SIGACTION |
08d32fe5 AV |
630 | asmlinkage long compat_sys_rt_sigaction(int, |
631 | const struct compat_sigaction __user *, | |
632 | struct compat_sigaction __user *, | |
633 | compat_size_t); | |
634 | #endif | |
75907d4d AV |
635 | asmlinkage long compat_sys_rt_sigqueueinfo(compat_pid_t pid, int sig, |
636 | struct compat_siginfo __user *uinfo); | |
be84cb43 CM |
637 | asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info); |
638 | asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, | |
932602e2 | 639 | compat_ulong_t arg); |
be84cb43 CM |
640 | asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val, |
641 | struct compat_timespec __user *utime, u32 __user *uaddr2, | |
642 | u32 val3); | |
643 | asmlinkage long compat_sys_getsockopt(int fd, int level, int optname, | |
644 | char __user *optval, int __user *optlen); | |
ca2c405a HC |
645 | asmlinkage long compat_sys_kexec_load(compat_ulong_t entry, |
646 | compat_ulong_t nr_segments, | |
be84cb43 | 647 | struct compat_kexec_segment __user *, |
ca2c405a | 648 | compat_ulong_t flags); |
be84cb43 CM |
649 | asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes, |
650 | const struct compat_mq_attr __user *u_mqstat, | |
651 | struct compat_mq_attr __user *u_omqstat); | |
652 | asmlinkage long compat_sys_mq_notify(mqd_t mqdes, | |
653 | const struct compat_sigevent __user *u_notification); | |
654 | asmlinkage long compat_sys_mq_open(const char __user *u_name, | |
655 | int oflag, compat_mode_t mode, | |
656 | struct compat_mq_attr __user *u_attr); | |
657 | asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes, | |
658 | const char __user *u_msg_ptr, | |
8eee9093 | 659 | compat_size_t msg_len, unsigned int msg_prio, |
be84cb43 CM |
660 | const struct compat_timespec __user *u_abs_timeout); |
661 | asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes, | |
662 | char __user *u_msg_ptr, | |
8eee9093 | 663 | compat_size_t msg_len, unsigned int __user *u_msg_prio, |
be84cb43 CM |
664 | const struct compat_timespec __user *u_abs_timeout); |
665 | asmlinkage long compat_sys_socketcall(int call, u32 __user *args); | |
666 | asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args); | |
4c696ba7 | 667 | |
b8373363 | 668 | extern ssize_t compat_rw_copy_check_uvector(int type, |
4800a5bb CM |
669 | const struct compat_iovec __user *uvector, |
670 | unsigned long nr_segs, | |
b8373363 | 671 | unsigned long fast_segs, struct iovec *fast_pointer, |
ac34ebb3 | 672 | struct iovec **ret_pointer); |
c41d68a5 PA |
673 | |
674 | extern void __user *compat_alloc_user_space(unsigned long len); | |
675 | ||
a67ba43d CM |
676 | asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid, |
677 | const struct compat_iovec __user *lvec, | |
2f2728f6 HC |
678 | compat_ulong_t liovcnt, const struct compat_iovec __user *rvec, |
679 | compat_ulong_t riovcnt, compat_ulong_t flags); | |
a67ba43d CM |
680 | asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid, |
681 | const struct compat_iovec __user *lvec, | |
2f2728f6 HC |
682 | compat_ulong_t liovcnt, const struct compat_iovec __user *rvec, |
683 | compat_ulong_t riovcnt, compat_ulong_t flags); | |
a67ba43d | 684 | |
8f9c0119 CM |
685 | asmlinkage long compat_sys_sendfile(int out_fd, int in_fd, |
686 | compat_off_t __user *offset, compat_size_t count); | |
19f4fc3a AV |
687 | asmlinkage long compat_sys_sendfile64(int out_fd, int in_fd, |
688 | compat_loff_t __user *offset, compat_size_t count); | |
90268439 AV |
689 | asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr, |
690 | compat_stack_t __user *uoss_ptr); | |
691 | ||
e9fb8b7e CM |
692 | #ifdef __ARCH_WANT_SYS_SIGPENDING |
693 | asmlinkage long compat_sys_sigpending(compat_old_sigset_t __user *set); | |
694 | #endif | |
695 | ||
696 | #ifdef __ARCH_WANT_SYS_SIGPROCMASK | |
697 | asmlinkage long compat_sys_sigprocmask(int how, compat_old_sigset_t __user *nset, | |
698 | compat_old_sigset_t __user *oset); | |
699 | #endif | |
700 | ||
90268439 | 701 | int compat_restore_altstack(const compat_stack_t __user *uss); |
c40702c4 | 702 | int __compat_save_altstack(compat_stack_t __user *, unsigned long); |
bd1c149a AV |
703 | #define compat_save_altstack_ex(uss, sp) do { \ |
704 | compat_stack_t __user *__uss = uss; \ | |
705 | struct task_struct *t = current; \ | |
706 | put_user_ex(ptr_to_compat((void __user *)t->sas_ss_sp), &__uss->ss_sp); \ | |
707 | put_user_ex(sas_ss_flags(sp), &__uss->ss_flags); \ | |
708 | put_user_ex(t->sas_ss_size, &__uss->ss_size); \ | |
709 | } while (0); | |
8f9c0119 | 710 | |
0ad50c38 CM |
711 | asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid, |
712 | struct compat_timespec __user *interval); | |
713 | ||
91c2e0bc AV |
714 | asmlinkage long compat_sys_fanotify_mark(int, unsigned int, __u32, __u32, |
715 | int, const char __user *); | |
3c761ea0 LT |
716 | #else |
717 | ||
718 | #define is_compat_task() (0) | |
719 | ||
1da177e4 LT |
720 | #endif /* CONFIG_COMPAT */ |
721 | #endif /* _LINUX_COMPAT_H */ |