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