1
#ifndef _LINUX_COMPAT_H
2
#define _LINUX_COMPAT_H
4
* These are the type definitions for the architecture specific
5
* syscall compatibility layer.
10
#include <linux/stat.h>
11
#include <linux/param.h> /* for HZ */
12
#include <linux/sem.h>
13
#include <linux/socket.h>
16
#include <linux/aio_abi.h> /* for aio_context_t */
18
#include <asm/compat.h>
19
#include <asm/siginfo.h>
20
#include <asm/signal.h>
22
#define compat_jiffies_to_clock_t(x) \
23
(((unsigned long)(x) * COMPAT_USER_HZ) / HZ)
25
typedef __compat_uid32_t compat_uid_t;
26
typedef __compat_gid32_t compat_gid_t;
28
struct compat_sel_arg_struct;
31
struct compat_itimerspec {
32
struct compat_timespec it_interval;
33
struct compat_timespec it_value;
36
struct compat_utimbuf {
38
compat_time_t modtime;
41
struct compat_itimerval {
42
struct compat_timeval it_interval;
43
struct compat_timeval it_value;
47
compat_clock_t tms_utime;
48
compat_clock_t tms_stime;
49
compat_clock_t tms_cutime;
50
compat_clock_t tms_cstime;
57
compat_long_t maxerror;
58
compat_long_t esterror;
60
compat_long_t constant;
61
compat_long_t precision;
62
compat_long_t tolerance;
63
struct compat_timeval time;
65
compat_long_t ppsfreq;
75
compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32;
76
compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32;
77
compat_int_t:32; compat_int_t:32; compat_int_t:32;
80
#define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW)
83
compat_sigset_word sig[_COMPAT_NSIG_WORDS];
86
extern int get_compat_timespec(struct timespec *,
87
const struct compat_timespec __user *);
88
extern int put_compat_timespec(const struct timespec *,
89
struct compat_timespec __user *);
92
compat_uptr_t iov_base;
93
compat_size_t iov_len;
96
struct compat_rlimit {
97
compat_ulong_t rlim_cur;
98
compat_ulong_t rlim_max;
101
struct compat_rusage {
102
struct compat_timeval ru_utime;
103
struct compat_timeval ru_stime;
104
compat_long_t ru_maxrss;
105
compat_long_t ru_ixrss;
106
compat_long_t ru_idrss;
107
compat_long_t ru_isrss;
108
compat_long_t ru_minflt;
109
compat_long_t ru_majflt;
110
compat_long_t ru_nswap;
111
compat_long_t ru_inblock;
112
compat_long_t ru_oublock;
113
compat_long_t ru_msgsnd;
114
compat_long_t ru_msgrcv;
115
compat_long_t ru_nsignals;
116
compat_long_t ru_nvcsw;
117
compat_long_t ru_nivcsw;
120
extern int put_compat_rusage(const struct rusage *,
121
struct compat_rusage __user *);
123
struct compat_siginfo;
125
extern asmlinkage long compat_sys_waitid(int, compat_pid_t,
126
struct compat_siginfo __user *, int,
127
struct compat_rusage __user *);
129
struct compat_dirent {
136
struct compat_ustat {
137
compat_daddr_t f_tfree;
138
compat_ino_t f_tinode;
143
typedef union compat_sigval {
144
compat_int_t sival_int;
145
compat_uptr_t sival_ptr;
148
#define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3)
150
typedef struct compat_sigevent {
151
compat_sigval_t sigev_value;
152
compat_int_t sigev_signo;
153
compat_int_t sigev_notify;
155
compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE];
159
compat_uptr_t _function;
160
compat_uptr_t _attribute;
165
struct compat_ifmap {
166
compat_ulong_t mem_start;
167
compat_ulong_t mem_end;
168
unsigned short base_addr;
174
struct compat_if_settings {
175
unsigned int type; /* Type of physical device or protocol */
176
unsigned int size; /* Size of the data allocated by the caller */
177
compat_uptr_t ifs_ifsu; /* union of pointers */
180
struct compat_ifreq {
182
char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
185
struct sockaddr ifru_addr;
186
struct sockaddr ifru_dstaddr;
187
struct sockaddr ifru_broadaddr;
188
struct sockaddr ifru_netmask;
189
struct sockaddr ifru_hwaddr;
191
compat_int_t ifru_ivalue;
192
compat_int_t ifru_mtu;
193
struct compat_ifmap ifru_map;
194
char ifru_slave[IFNAMSIZ]; /* Just fits the size */
195
char ifru_newname[IFNAMSIZ];
196
compat_caddr_t ifru_data;
197
struct compat_if_settings ifru_settings;
201
struct compat_ifconf {
202
compat_int_t ifc_len; /* size of buffer */
203
compat_caddr_t ifcbuf;
206
struct compat_robust_list {
210
struct compat_robust_list_head {
211
struct compat_robust_list list;
212
compat_long_t futex_offset;
213
compat_uptr_t list_op_pending;
216
struct compat_statfs;
217
struct compat_statfs64;
218
struct compat_old_linux_dirent;
219
struct compat_linux_dirent;
220
struct linux_dirent64;
221
struct compat_msghdr;
222
struct compat_mmsghdr;
223
struct compat_sysinfo;
224
struct compat_sysctl_args;
225
struct compat_kexec_segment;
226
struct compat_mq_attr;
228
extern void compat_exit_robust_list(struct task_struct *curr);
231
compat_sys_set_robust_list(struct compat_robust_list_head __user *head,
234
compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
235
compat_size_t __user *len_ptr);
237
long compat_sys_semctl(int first, int second, int third, void __user *uptr);
238
long compat_sys_msgsnd(int first, int second, int third, void __user *uptr);
239
long compat_sys_msgrcv(int first, int second, int msgtyp, int third,
240
int version, void __user *uptr);
241
long compat_sys_msgctl(int first, int second, void __user *uptr);
242
long compat_sys_shmat(int first, int second, compat_uptr_t third, int version,
244
long compat_sys_shmctl(int first, int second, void __user *uptr);
245
long compat_sys_semtimedop(int semid, struct sembuf __user *tsems,
246
unsigned nsems, const struct compat_timespec __user *timeout);
247
asmlinkage long compat_sys_keyctl(u32 option,
248
u32 arg2, u32 arg3, u32 arg4, u32 arg5);
249
asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32);
251
asmlinkage ssize_t compat_sys_readv(unsigned long fd,
252
const struct compat_iovec __user *vec, unsigned long vlen);
253
asmlinkage ssize_t compat_sys_writev(unsigned long fd,
254
const struct compat_iovec __user *vec, unsigned long vlen);
255
asmlinkage ssize_t compat_sys_preadv(unsigned long fd,
256
const struct compat_iovec __user *vec,
257
unsigned long vlen, u32 pos_low, u32 pos_high);
258
asmlinkage ssize_t compat_sys_pwritev(unsigned long fd,
259
const struct compat_iovec __user *vec,
260
unsigned long vlen, u32 pos_low, u32 pos_high);
262
int compat_do_execve(char *filename, compat_uptr_t __user *argv,
263
compat_uptr_t __user *envp, struct pt_regs *regs);
265
asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
266
compat_ulong_t __user *outp, compat_ulong_t __user *exp,
267
struct compat_timeval __user *tvp);
269
asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg);
271
asmlinkage long compat_sys_wait4(compat_pid_t pid,
272
compat_uint_t __user *stat_addr, int options,
273
struct compat_rusage __user *ru);
275
#define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t))
277
#define BITS_TO_COMPAT_LONGS(bits) \
278
(((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG)
280
long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask,
281
unsigned long bitmap_size);
282
long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
283
unsigned long bitmap_size);
284
int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from);
285
int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from);
286
int get_compat_sigevent(struct sigevent *event,
287
const struct compat_sigevent __user *u_event);
288
long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig,
289
struct compat_siginfo __user *uinfo);
291
static inline int compat_timeval_compare(struct compat_timeval *lhs,
292
struct compat_timeval *rhs)
294
if (lhs->tv_sec < rhs->tv_sec)
296
if (lhs->tv_sec > rhs->tv_sec)
298
return lhs->tv_usec - rhs->tv_usec;
301
static inline int compat_timespec_compare(struct compat_timespec *lhs,
302
struct compat_timespec *rhs)
304
if (lhs->tv_sec < rhs->tv_sec)
306
if (lhs->tv_sec > rhs->tv_sec)
308
return lhs->tv_nsec - rhs->tv_nsec;
311
extern int get_compat_itimerspec(struct itimerspec *dst,
312
const struct compat_itimerspec __user *src);
313
extern int put_compat_itimerspec(struct compat_itimerspec __user *dst,
314
const struct itimerspec *src);
316
asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv,
317
struct timezone __user *tz);
318
asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv,
319
struct timezone __user *tz);
321
asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp);
323
extern int compat_printk(const char *fmt, ...);
324
extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat);
326
asmlinkage long compat_sys_migrate_pages(compat_pid_t pid,
327
compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes,
328
const compat_ulong_t __user *new_nodes);
330
extern int compat_ptrace_request(struct task_struct *child,
331
compat_long_t request,
332
compat_ulong_t addr, compat_ulong_t data);
334
extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
335
compat_ulong_t addr, compat_ulong_t data);
336
asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
337
compat_long_t addr, compat_long_t data);
340
* epoll (fs/eventpoll.c) compat bits follow ...
343
#define compat_epoll_event epoll_event
344
asmlinkage long compat_sys_epoll_pwait(int epfd,
345
struct compat_epoll_event __user *events,
346
int maxevents, int timeout,
347
const compat_sigset_t __user *sigmask,
348
compat_size_t sigsetsize);
350
asmlinkage long compat_sys_utime(const char __user *filename,
351
struct compat_utimbuf __user *t);
352
asmlinkage long compat_sys_utimensat(unsigned int dfd,
353
const char __user *filename,
354
struct compat_timespec __user *t,
357
asmlinkage long compat_sys_time(compat_time_t __user *tloc);
358
asmlinkage long compat_sys_stime(compat_time_t __user *tptr);
359
asmlinkage long compat_sys_signalfd(int ufd,
360
const compat_sigset_t __user *sigmask,
361
compat_size_t sigsetsize);
362
asmlinkage long compat_sys_timerfd_settime(int ufd, int flags,
363
const struct compat_itimerspec __user *utmr,
364
struct compat_itimerspec __user *otmr);
365
asmlinkage long compat_sys_timerfd_gettime(int ufd,
366
struct compat_itimerspec __user *otmr);
368
asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page,
370
const int __user *nodes,
373
asmlinkage long compat_sys_futimesat(unsigned int dfd,
374
const char __user *filename,
375
struct compat_timeval __user *t);
376
asmlinkage long compat_sys_utimes(const char __user *filename,
377
struct compat_timeval __user *t);
378
asmlinkage long compat_sys_newstat(const char __user *filename,
379
struct compat_stat __user *statbuf);
380
asmlinkage long compat_sys_newlstat(const char __user *filename,
381
struct compat_stat __user *statbuf);
382
asmlinkage long compat_sys_newfstatat(unsigned int dfd,
383
const char __user *filename,
384
struct compat_stat __user *statbuf,
386
asmlinkage long compat_sys_newfstat(unsigned int fd,
387
struct compat_stat __user *statbuf);
388
asmlinkage long compat_sys_statfs(const char __user *pathname,
389
struct compat_statfs __user *buf);
390
asmlinkage long compat_sys_fstatfs(unsigned int fd,
391
struct compat_statfs __user *buf);
392
asmlinkage long compat_sys_statfs64(const char __user *pathname,
394
struct compat_statfs64 __user *buf);
395
asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz,
396
struct compat_statfs64 __user *buf);
397
asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd,
399
asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd,
401
asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p);
402
asmlinkage long compat_sys_io_getevents(aio_context_t ctx_id,
403
unsigned long min_nr,
405
struct io_event __user *events,
406
struct compat_timespec __user *timeout);
407
asmlinkage long compat_sys_io_submit(aio_context_t ctx_id, int nr,
409
asmlinkage long compat_sys_mount(const char __user *dev_name,
410
const char __user *dir_name,
411
const char __user *type, unsigned long flags,
412
const void __user *data);
413
asmlinkage long compat_sys_old_readdir(unsigned int fd,
414
struct compat_old_linux_dirent __user *,
416
asmlinkage long compat_sys_getdents(unsigned int fd,
417
struct compat_linux_dirent __user *dirent,
419
asmlinkage long compat_sys_getdents64(unsigned int fd,
420
struct linux_dirent64 __user *dirent,
422
asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *,
423
unsigned int nr_segs, unsigned int flags);
424
asmlinkage long compat_sys_open(const char __user *filename, int flags,
426
asmlinkage long compat_sys_openat(unsigned int dfd, const char __user *filename,
427
int flags, int mode);
428
asmlinkage long compat_sys_open_by_handle_at(int mountdirfd,
429
struct file_handle __user *handle,
431
asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp,
432
compat_ulong_t __user *outp,
433
compat_ulong_t __user *exp,
434
struct compat_timespec __user *tsp,
436
asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
438
struct compat_timespec __user *tsp,
439
const compat_sigset_t __user *sigmask,
440
compat_size_t sigsetsize);
441
asmlinkage long compat_sys_signalfd4(int ufd,
442
const compat_sigset_t __user *sigmask,
443
compat_size_t sigsetsize, int flags);
444
asmlinkage long compat_sys_get_mempolicy(int __user *policy,
445
compat_ulong_t __user *nmask,
446
compat_ulong_t maxnode,
448
compat_ulong_t flags);
449
asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask,
450
compat_ulong_t maxnode);
451
asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len,
453
compat_ulong_t __user *nmask,
454
compat_ulong_t maxnode, compat_ulong_t flags);
456
asmlinkage long compat_sys_setsockopt(int fd, int level, int optname,
457
char __user *optval, unsigned int optlen);
458
asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg,
460
asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
461
unsigned vlen, unsigned int flags);
462
asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg,
464
asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len,
466
asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len,
467
unsigned flags, struct sockaddr __user *addr,
468
int __user *addrlen);
469
asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
470
unsigned vlen, unsigned int flags,
471
struct compat_timespec __user *timeout);
472
asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp,
473
struct compat_timespec __user *rmtp);
474
asmlinkage long compat_sys_getitimer(int which,
475
struct compat_itimerval __user *it);
476
asmlinkage long compat_sys_setitimer(int which,
477
struct compat_itimerval __user *in,
478
struct compat_itimerval __user *out);
479
asmlinkage long compat_sys_times(struct compat_tms __user *tbuf);
480
asmlinkage long compat_sys_setrlimit(unsigned int resource,
481
struct compat_rlimit __user *rlim);
482
asmlinkage long compat_sys_getrlimit(unsigned int resource,
483
struct compat_rlimit __user *rlim);
484
asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru);
485
asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid,
487
compat_ulong_t __user *user_mask_ptr);
488
asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid,
490
compat_ulong_t __user *user_mask_ptr);
491
asmlinkage long compat_sys_timer_create(clockid_t which_clock,
492
struct compat_sigevent __user *timer_event_spec,
493
timer_t __user *created_timer_id);
494
asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags,
495
struct compat_itimerspec __user *new,
496
struct compat_itimerspec __user *old);
497
asmlinkage long compat_sys_timer_gettime(timer_t timer_id,
498
struct compat_itimerspec __user *setting);
499
asmlinkage long compat_sys_clock_settime(clockid_t which_clock,
500
struct compat_timespec __user *tp);
501
asmlinkage long compat_sys_clock_gettime(clockid_t which_clock,
502
struct compat_timespec __user *tp);
503
asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock,
504
struct compat_timex __user *tp);
505
asmlinkage long compat_sys_clock_getres(clockid_t which_clock,
506
struct compat_timespec __user *tp);
507
asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags,
508
struct compat_timespec __user *rqtp,
509
struct compat_timespec __user *rmtp);
510
asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese,
511
struct compat_siginfo __user *uinfo,
512
struct compat_timespec __user *uts, compat_size_t sigsetsize);
513
asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset,
514
compat_size_t sigsetsize);
515
asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info);
516
asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
518
asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val,
519
struct compat_timespec __user *utime, u32 __user *uaddr2,
521
asmlinkage long compat_sys_getsockopt(int fd, int level, int optname,
522
char __user *optval, int __user *optlen);
523
asmlinkage long compat_sys_kexec_load(unsigned long entry,
524
unsigned long nr_segments,
525
struct compat_kexec_segment __user *,
526
unsigned long flags);
527
asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes,
528
const struct compat_mq_attr __user *u_mqstat,
529
struct compat_mq_attr __user *u_omqstat);
530
asmlinkage long compat_sys_mq_notify(mqd_t mqdes,
531
const struct compat_sigevent __user *u_notification);
532
asmlinkage long compat_sys_mq_open(const char __user *u_name,
533
int oflag, compat_mode_t mode,
534
struct compat_mq_attr __user *u_attr);
535
asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes,
536
const char __user *u_msg_ptr,
537
size_t msg_len, unsigned int msg_prio,
538
const struct compat_timespec __user *u_abs_timeout);
539
asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes,
540
char __user *u_msg_ptr,
541
size_t msg_len, unsigned int __user *u_msg_prio,
542
const struct compat_timespec __user *u_abs_timeout);
543
asmlinkage long compat_sys_socketcall(int call, u32 __user *args);
544
asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args);
546
extern ssize_t compat_rw_copy_check_uvector(int type,
547
const struct compat_iovec __user *uvector,
548
unsigned long nr_segs,
549
unsigned long fast_segs, struct iovec *fast_pointer,
550
struct iovec **ret_pointer,
553
extern void __user *compat_alloc_user_space(unsigned long len);
555
asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid,
556
const struct compat_iovec __user *lvec,
557
unsigned long liovcnt, const struct compat_iovec __user *rvec,
558
unsigned long riovcnt, unsigned long flags);
559
asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid,
560
const struct compat_iovec __user *lvec,
561
unsigned long liovcnt, const struct compat_iovec __user *rvec,
562
unsigned long riovcnt, unsigned long flags);
564
#endif /* CONFIG_COMPAT */
565
#endif /* _LINUX_COMPAT_H */