Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * sys_ia32.c: Conversion between 32bit and 64bit native syscalls. Based on | |
c202f298 | 3 | * sys_sparc32 |
1da177e4 LT |
4 | * |
5 | * Copyright (C) 2000 VA Linux Co | |
6 | * Copyright (C) 2000 Don Dugger <n0ano@valinux.com> | |
c202f298 TG |
7 | * Copyright (C) 1999 Arun Sharma <arun.sharma@intel.com> |
8 | * Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | |
9 | * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) | |
1da177e4 LT |
10 | * Copyright (C) 2000 Hewlett-Packard Co. |
11 | * Copyright (C) 2000 David Mosberger-Tang <davidm@hpl.hp.com> | |
c202f298 | 12 | * Copyright (C) 2000,2001,2002 Andi Kleen, SuSE Labs (x86-64 port) |
1da177e4 LT |
13 | * |
14 | * These routines maintain argument size conversion between 32bit and 64bit | |
c202f298 | 15 | * environment. In 2.5 most of this should be moved to a generic directory. |
1da177e4 LT |
16 | * |
17 | * This file assumes that there is a hole at the end of user address space. | |
c202f298 TG |
18 | * |
19 | * Some of the functions are LE specific currently. These are | |
20 | * hopefully all marked. This should be fixed. | |
1da177e4 LT |
21 | */ |
22 | ||
1da177e4 LT |
23 | #include <linux/kernel.h> |
24 | #include <linux/sched.h> | |
c202f298 TG |
25 | #include <linux/fs.h> |
26 | #include <linux/file.h> | |
1da177e4 LT |
27 | #include <linux/signal.h> |
28 | #include <linux/syscalls.h> | |
1da177e4 LT |
29 | #include <linux/times.h> |
30 | #include <linux/utsname.h> | |
1da177e4 | 31 | #include <linux/mm.h> |
1da177e4 | 32 | #include <linux/uio.h> |
1da177e4 LT |
33 | #include <linux/poll.h> |
34 | #include <linux/personality.h> | |
35 | #include <linux/stat.h> | |
1da177e4 | 36 | #include <linux/rwsem.h> |
1da177e4 LT |
37 | #include <linux/compat.h> |
38 | #include <linux/vfs.h> | |
39 | #include <linux/ptrace.h> | |
40 | #include <linux/highuid.h> | |
ddb15ec1 | 41 | #include <linux/sysctl.h> |
5a0e3ad6 | 42 | #include <linux/slab.h> |
1da177e4 LT |
43 | #include <asm/mman.h> |
44 | #include <asm/types.h> | |
45 | #include <asm/uaccess.h> | |
60063497 | 46 | #include <linux/atomic.h> |
28d23128 | 47 | #include <asm/vgtod.h> |
2f06de06 | 48 | #include <asm/sys_ia32.h> |
1da177e4 LT |
49 | |
50 | #define AA(__x) ((unsigned long)(__x)) | |
51 | ||
1da177e4 | 52 | |
c7887325 | 53 | asmlinkage long sys32_truncate64(const char __user *filename, |
c202f298 TG |
54 | unsigned long offset_low, |
55 | unsigned long offset_high) | |
1da177e4 LT |
56 | { |
57 | return sys_truncate(filename, ((loff_t) offset_high << 32) | offset_low); | |
58 | } | |
59 | ||
c202f298 TG |
60 | asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long offset_low, |
61 | unsigned long offset_high) | |
1da177e4 LT |
62 | { |
63 | return sys_ftruncate(fd, ((loff_t) offset_high << 32) | offset_low); | |
64 | } | |
65 | ||
c202f298 TG |
66 | /* |
67 | * Another set for IA32/LFS -- x86_64 struct stat is different due to | |
68 | * support for 64bit inode numbers. | |
69 | */ | |
70 | static int cp_stat64(struct stat64 __user *ubuf, struct kstat *stat) | |
1da177e4 LT |
71 | { |
72 | typeof(ubuf->st_uid) uid = 0; | |
73 | typeof(ubuf->st_gid) gid = 0; | |
a7c1938e EB |
74 | SET_UID(uid, from_kuid_munged(current_user_ns(), stat->uid)); |
75 | SET_GID(gid, from_kgid_munged(current_user_ns(), stat->gid)); | |
1da177e4 LT |
76 | if (!access_ok(VERIFY_WRITE, ubuf, sizeof(struct stat64)) || |
77 | __put_user(huge_encode_dev(stat->dev), &ubuf->st_dev) || | |
c202f298 TG |
78 | __put_user(stat->ino, &ubuf->__st_ino) || |
79 | __put_user(stat->ino, &ubuf->st_ino) || | |
80 | __put_user(stat->mode, &ubuf->st_mode) || | |
81 | __put_user(stat->nlink, &ubuf->st_nlink) || | |
82 | __put_user(uid, &ubuf->st_uid) || | |
83 | __put_user(gid, &ubuf->st_gid) || | |
84 | __put_user(huge_encode_dev(stat->rdev), &ubuf->st_rdev) || | |
85 | __put_user(stat->size, &ubuf->st_size) || | |
86 | __put_user(stat->atime.tv_sec, &ubuf->st_atime) || | |
87 | __put_user(stat->atime.tv_nsec, &ubuf->st_atime_nsec) || | |
88 | __put_user(stat->mtime.tv_sec, &ubuf->st_mtime) || | |
89 | __put_user(stat->mtime.tv_nsec, &ubuf->st_mtime_nsec) || | |
90 | __put_user(stat->ctime.tv_sec, &ubuf->st_ctime) || | |
91 | __put_user(stat->ctime.tv_nsec, &ubuf->st_ctime_nsec) || | |
92 | __put_user(stat->blksize, &ubuf->st_blksize) || | |
93 | __put_user(stat->blocks, &ubuf->st_blocks)) | |
1da177e4 LT |
94 | return -EFAULT; |
95 | return 0; | |
96 | } | |
97 | ||
c7887325 | 98 | asmlinkage long sys32_stat64(const char __user *filename, |
c202f298 | 99 | struct stat64 __user *statbuf) |
1da177e4 LT |
100 | { |
101 | struct kstat stat; | |
102 | int ret = vfs_stat(filename, &stat); | |
c202f298 | 103 | |
1da177e4 LT |
104 | if (!ret) |
105 | ret = cp_stat64(statbuf, &stat); | |
106 | return ret; | |
107 | } | |
108 | ||
c7887325 | 109 | asmlinkage long sys32_lstat64(const char __user *filename, |
c202f298 | 110 | struct stat64 __user *statbuf) |
1da177e4 LT |
111 | { |
112 | struct kstat stat; | |
113 | int ret = vfs_lstat(filename, &stat); | |
114 | if (!ret) | |
115 | ret = cp_stat64(statbuf, &stat); | |
116 | return ret; | |
117 | } | |
118 | ||
c202f298 | 119 | asmlinkage long sys32_fstat64(unsigned int fd, struct stat64 __user *statbuf) |
1da177e4 LT |
120 | { |
121 | struct kstat stat; | |
122 | int ret = vfs_fstat(fd, &stat); | |
123 | if (!ret) | |
124 | ret = cp_stat64(statbuf, &stat); | |
125 | return ret; | |
126 | } | |
127 | ||
c7887325 | 128 | asmlinkage long sys32_fstatat(unsigned int dfd, const char __user *filename, |
c202f298 | 129 | struct stat64 __user *statbuf, int flag) |
cff2b760 UD |
130 | { |
131 | struct kstat stat; | |
0112fc22 | 132 | int error; |
cff2b760 | 133 | |
0112fc22 OD |
134 | error = vfs_fstatat(dfd, filename, &stat, flag); |
135 | if (error) | |
136 | return error; | |
137 | return cp_stat64(statbuf, &stat); | |
cff2b760 UD |
138 | } |
139 | ||
1da177e4 LT |
140 | /* |
141 | * Linux/i386 didn't use to be able to handle more than | |
142 | * 4 system call parameters, so these system calls used a memory | |
143 | * block for parameter passing.. | |
144 | */ | |
145 | ||
a4679373 | 146 | struct mmap_arg_struct32 { |
1da177e4 LT |
147 | unsigned int addr; |
148 | unsigned int len; | |
149 | unsigned int prot; | |
150 | unsigned int flags; | |
151 | unsigned int fd; | |
152 | unsigned int offset; | |
153 | }; | |
154 | ||
a4679373 | 155 | asmlinkage long sys32_mmap(struct mmap_arg_struct32 __user *arg) |
1da177e4 | 156 | { |
a4679373 | 157 | struct mmap_arg_struct32 a; |
1da177e4 LT |
158 | |
159 | if (copy_from_user(&a, arg, sizeof(a))) | |
160 | return -EFAULT; | |
161 | ||
162 | if (a.offset & ~PAGE_MASK) | |
c202f298 | 163 | return -EINVAL; |
1da177e4 | 164 | |
f8b72560 | 165 | return sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, |
c202f298 | 166 | a.offset>>PAGE_SHIFT); |
1da177e4 LT |
167 | } |
168 | ||
c202f298 TG |
169 | asmlinkage long sys32_mprotect(unsigned long start, size_t len, |
170 | unsigned long prot) | |
1da177e4 | 171 | { |
c202f298 | 172 | return sys_mprotect(start, len, prot); |
1da177e4 LT |
173 | } |
174 | ||
c202f298 TG |
175 | asmlinkage long sys32_rt_sigaction(int sig, struct sigaction32 __user *act, |
176 | struct sigaction32 __user *oact, | |
177 | unsigned int sigsetsize) | |
1da177e4 LT |
178 | { |
179 | struct k_sigaction new_ka, old_ka; | |
180 | int ret; | |
181 | compat_sigset_t set32; | |
182 | ||
183 | /* XXX: Don't preclude handling different sized sigset_t's. */ | |
184 | if (sigsetsize != sizeof(compat_sigset_t)) | |
185 | return -EINVAL; | |
186 | ||
187 | if (act) { | |
188 | compat_uptr_t handler, restorer; | |
189 | ||
190 | if (!access_ok(VERIFY_READ, act, sizeof(*act)) || | |
191 | __get_user(handler, &act->sa_handler) || | |
192 | __get_user(new_ka.sa.sa_flags, &act->sa_flags) || | |
c202f298 TG |
193 | __get_user(restorer, &act->sa_restorer) || |
194 | __copy_from_user(&set32, &act->sa_mask, | |
195 | sizeof(compat_sigset_t))) | |
1da177e4 LT |
196 | return -EFAULT; |
197 | new_ka.sa.sa_handler = compat_ptr(handler); | |
198 | new_ka.sa.sa_restorer = compat_ptr(restorer); | |
c202f298 TG |
199 | |
200 | /* | |
201 | * FIXME: here we rely on _COMPAT_NSIG_WORS to be >= | |
202 | * than _NSIG_WORDS << 1 | |
203 | */ | |
1da177e4 LT |
204 | switch (_NSIG_WORDS) { |
205 | case 4: new_ka.sa.sa_mask.sig[3] = set32.sig[6] | |
206 | | (((long)set32.sig[7]) << 32); | |
207 | case 3: new_ka.sa.sa_mask.sig[2] = set32.sig[4] | |
208 | | (((long)set32.sig[5]) << 32); | |
209 | case 2: new_ka.sa.sa_mask.sig[1] = set32.sig[2] | |
210 | | (((long)set32.sig[3]) << 32); | |
211 | case 1: new_ka.sa.sa_mask.sig[0] = set32.sig[0] | |
212 | | (((long)set32.sig[1]) << 32); | |
213 | } | |
214 | } | |
215 | ||
216 | ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); | |
217 | ||
218 | if (!ret && oact) { | |
c202f298 TG |
219 | /* |
220 | * FIXME: here we rely on _COMPAT_NSIG_WORS to be >= | |
221 | * than _NSIG_WORDS << 1 | |
222 | */ | |
1da177e4 LT |
223 | switch (_NSIG_WORDS) { |
224 | case 4: | |
225 | set32.sig[7] = (old_ka.sa.sa_mask.sig[3] >> 32); | |
226 | set32.sig[6] = old_ka.sa.sa_mask.sig[3]; | |
227 | case 3: | |
228 | set32.sig[5] = (old_ka.sa.sa_mask.sig[2] >> 32); | |
229 | set32.sig[4] = old_ka.sa.sa_mask.sig[2]; | |
230 | case 2: | |
231 | set32.sig[3] = (old_ka.sa.sa_mask.sig[1] >> 32); | |
232 | set32.sig[2] = old_ka.sa.sa_mask.sig[1]; | |
233 | case 1: | |
234 | set32.sig[1] = (old_ka.sa.sa_mask.sig[0] >> 32); | |
235 | set32.sig[0] = old_ka.sa.sa_mask.sig[0]; | |
236 | } | |
237 | if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || | |
c202f298 TG |
238 | __put_user(ptr_to_compat(old_ka.sa.sa_handler), |
239 | &oact->sa_handler) || | |
240 | __put_user(ptr_to_compat(old_ka.sa.sa_restorer), | |
241 | &oact->sa_restorer) || | |
1da177e4 | 242 | __put_user(old_ka.sa.sa_flags, &oact->sa_flags) || |
c202f298 TG |
243 | __copy_to_user(&oact->sa_mask, &set32, |
244 | sizeof(compat_sigset_t))) | |
1da177e4 LT |
245 | return -EFAULT; |
246 | } | |
247 | ||
248 | return ret; | |
249 | } | |
250 | ||
c202f298 TG |
251 | asmlinkage long sys32_sigaction(int sig, struct old_sigaction32 __user *act, |
252 | struct old_sigaction32 __user *oact) | |
1da177e4 | 253 | { |
c202f298 TG |
254 | struct k_sigaction new_ka, old_ka; |
255 | int ret; | |
1da177e4 | 256 | |
c202f298 | 257 | if (act) { |
1da177e4 LT |
258 | compat_old_sigset_t mask; |
259 | compat_uptr_t handler, restorer; | |
260 | ||
261 | if (!access_ok(VERIFY_READ, act, sizeof(*act)) || | |
262 | __get_user(handler, &act->sa_handler) || | |
263 | __get_user(new_ka.sa.sa_flags, &act->sa_flags) || | |
264 | __get_user(restorer, &act->sa_restorer) || | |
265 | __get_user(mask, &act->sa_mask)) | |
266 | return -EFAULT; | |
267 | ||
268 | new_ka.sa.sa_handler = compat_ptr(handler); | |
269 | new_ka.sa.sa_restorer = compat_ptr(restorer); | |
270 | ||
271 | siginitset(&new_ka.sa.sa_mask, mask); | |
c202f298 | 272 | } |
1da177e4 | 273 | |
c202f298 | 274 | ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); |
1da177e4 LT |
275 | |
276 | if (!ret && oact) { | |
277 | if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || | |
c202f298 TG |
278 | __put_user(ptr_to_compat(old_ka.sa.sa_handler), |
279 | &oact->sa_handler) || | |
280 | __put_user(ptr_to_compat(old_ka.sa.sa_restorer), | |
281 | &oact->sa_restorer) || | |
1da177e4 LT |
282 | __put_user(old_ka.sa.sa_flags, &oact->sa_flags) || |
283 | __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask)) | |
284 | return -EFAULT; | |
c202f298 | 285 | } |
1da177e4 LT |
286 | |
287 | return ret; | |
288 | } | |
289 | ||
f0002627 | 290 | asmlinkage long sys32_waitpid(compat_pid_t pid, unsigned int __user *stat_addr, |
c202f298 | 291 | int options) |
1da177e4 LT |
292 | { |
293 | return compat_sys_wait4(pid, stat_addr, options, NULL); | |
294 | } | |
295 | ||
1da177e4 LT |
296 | /* 32-bit timeval and related flotsam. */ |
297 | ||
c202f298 TG |
298 | asmlinkage long sys32_sched_rr_get_interval(compat_pid_t pid, |
299 | struct compat_timespec __user *interval) | |
1da177e4 LT |
300 | { |
301 | struct timespec t; | |
302 | int ret; | |
c202f298 TG |
303 | mm_segment_t old_fs = get_fs(); |
304 | ||
305 | set_fs(KERNEL_DS); | |
ddb15ec1 | 306 | ret = sys_sched_rr_get_interval(pid, (struct timespec __user *)&t); |
c202f298 | 307 | set_fs(old_fs); |
1da177e4 LT |
308 | if (put_compat_timespec(&t, interval)) |
309 | return -EFAULT; | |
310 | return ret; | |
311 | } | |
312 | ||
c202f298 TG |
313 | asmlinkage long sys32_rt_sigpending(compat_sigset_t __user *set, |
314 | compat_size_t sigsetsize) | |
1da177e4 LT |
315 | { |
316 | sigset_t s; | |
317 | compat_sigset_t s32; | |
318 | int ret; | |
319 | mm_segment_t old_fs = get_fs(); | |
c202f298 TG |
320 | |
321 | set_fs(KERNEL_DS); | |
ddb15ec1 | 322 | ret = sys_rt_sigpending((sigset_t __user *)&s, sigsetsize); |
c202f298 | 323 | set_fs(old_fs); |
1da177e4 LT |
324 | if (!ret) { |
325 | switch (_NSIG_WORDS) { | |
326 | case 4: s32.sig[7] = (s.sig[3] >> 32); s32.sig[6] = s.sig[3]; | |
327 | case 3: s32.sig[5] = (s.sig[2] >> 32); s32.sig[4] = s.sig[2]; | |
328 | case 2: s32.sig[3] = (s.sig[1] >> 32); s32.sig[2] = s.sig[1]; | |
329 | case 1: s32.sig[1] = (s.sig[0] >> 32); s32.sig[0] = s.sig[0]; | |
330 | } | |
c202f298 | 331 | if (copy_to_user(set, &s32, sizeof(compat_sigset_t))) |
1da177e4 LT |
332 | return -EFAULT; |
333 | } | |
334 | return ret; | |
335 | } | |
336 | ||
c202f298 TG |
337 | asmlinkage long sys32_rt_sigqueueinfo(int pid, int sig, |
338 | compat_siginfo_t __user *uinfo) | |
1da177e4 LT |
339 | { |
340 | siginfo_t info; | |
341 | int ret; | |
342 | mm_segment_t old_fs = get_fs(); | |
c202f298 | 343 | |
1da177e4 LT |
344 | if (copy_siginfo_from_user32(&info, uinfo)) |
345 | return -EFAULT; | |
c202f298 | 346 | set_fs(KERNEL_DS); |
ddb15ec1 | 347 | ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __user *)&info); |
c202f298 | 348 | set_fs(old_fs); |
1da177e4 LT |
349 | return ret; |
350 | } | |
351 | ||
c202f298 TG |
352 | /* warning: next two assume little endian */ |
353 | asmlinkage long sys32_pread(unsigned int fd, char __user *ubuf, u32 count, | |
354 | u32 poslo, u32 poshi) | |
1da177e4 LT |
355 | { |
356 | return sys_pread64(fd, ubuf, count, | |
357 | ((loff_t)AA(poshi) << 32) | AA(poslo)); | |
358 | } | |
359 | ||
c7887325 DH |
360 | asmlinkage long sys32_pwrite(unsigned int fd, const char __user *ubuf, |
361 | u32 count, u32 poslo, u32 poshi) | |
1da177e4 LT |
362 | { |
363 | return sys_pwrite64(fd, ubuf, count, | |
364 | ((loff_t)AA(poshi) << 32) | AA(poslo)); | |
365 | } | |
366 | ||
367 | ||
c202f298 TG |
368 | asmlinkage long sys32_sendfile(int out_fd, int in_fd, |
369 | compat_off_t __user *offset, s32 count) | |
1da177e4 LT |
370 | { |
371 | mm_segment_t old_fs = get_fs(); | |
372 | int ret; | |
373 | off_t of; | |
c202f298 | 374 | |
1da177e4 LT |
375 | if (offset && get_user(of, offset)) |
376 | return -EFAULT; | |
c202f298 | 377 | |
1da177e4 | 378 | set_fs(KERNEL_DS); |
ddb15ec1 AK |
379 | ret = sys_sendfile(out_fd, in_fd, offset ? (off_t __user *)&of : NULL, |
380 | count); | |
1da177e4 | 381 | set_fs(old_fs); |
c202f298 | 382 | |
83b942bd | 383 | if (offset && put_user(of, offset)) |
1da177e4 | 384 | return -EFAULT; |
1da177e4 LT |
385 | return ret; |
386 | } | |
387 | ||
c7887325 | 388 | asmlinkage long sys32_execve(const char __user *name, compat_uptr_t __user *argv, |
1da177e4 LT |
389 | compat_uptr_t __user *envp, struct pt_regs *regs) |
390 | { | |
391 | long error; | |
c202f298 | 392 | char *filename; |
1da177e4 LT |
393 | |
394 | filename = getname(name); | |
395 | error = PTR_ERR(filename); | |
396 | if (IS_ERR(filename)) | |
397 | return error; | |
398 | error = compat_do_execve(filename, argv, envp, regs); | |
1da177e4 LT |
399 | putname(filename); |
400 | return error; | |
401 | } | |
402 | ||
403 | asmlinkage long sys32_clone(unsigned int clone_flags, unsigned int newsp, | |
404 | struct pt_regs *regs) | |
405 | { | |
65ea5b03 PA |
406 | void __user *parent_tid = (void __user *)regs->dx; |
407 | void __user *child_tid = (void __user *)regs->di; | |
c202f298 | 408 | |
1da177e4 | 409 | if (!newsp) |
65ea5b03 | 410 | newsp = regs->sp; |
c202f298 | 411 | return do_fork(clone_flags, newsp, regs, 0, parent_tid, child_tid); |
1da177e4 LT |
412 | } |
413 | ||
414 | /* | |
c202f298 TG |
415 | * Some system calls that need sign extended arguments. This could be |
416 | * done by a generic wrapper. | |
417 | */ | |
418 | long sys32_lseek(unsigned int fd, int offset, unsigned int whence) | |
1da177e4 LT |
419 | { |
420 | return sys_lseek(fd, offset, whence); | |
421 | } | |
422 | ||
423 | long sys32_kill(int pid, int sig) | |
424 | { | |
425 | return sys_kill(pid, sig); | |
426 | } | |
c202f298 TG |
427 | |
428 | long sys32_fadvise64_64(int fd, __u32 offset_low, __u32 offset_high, | |
1da177e4 | 429 | __u32 len_low, __u32 len_high, int advice) |
c202f298 | 430 | { |
1da177e4 LT |
431 | return sys_fadvise64_64(fd, |
432 | (((u64)offset_high)<<32) | offset_low, | |
433 | (((u64)len_high)<<32) | len_low, | |
c202f298 TG |
434 | advice); |
435 | } | |
1da177e4 LT |
436 | |
437 | long sys32_vm86_warning(void) | |
c202f298 | 438 | { |
1da177e4 LT |
439 | struct task_struct *me = current; |
440 | static char lastcomm[sizeof(me->comm)]; | |
c202f298 | 441 | |
1da177e4 | 442 | if (strncmp(lastcomm, me->comm, sizeof(lastcomm))) { |
c202f298 TG |
443 | compat_printk(KERN_INFO |
444 | "%s: vm86 mode not supported on 64 bit kernel\n", | |
445 | me->comm); | |
1da177e4 | 446 | strncpy(lastcomm, me->comm, sizeof(lastcomm)); |
c202f298 | 447 | } |
1da177e4 | 448 | return -ENOSYS; |
c202f298 | 449 | } |
1da177e4 LT |
450 | |
451 | long sys32_lookup_dcookie(u32 addr_low, u32 addr_high, | |
c202f298 | 452 | char __user *buf, size_t len) |
1da177e4 LT |
453 | { |
454 | return sys_lookup_dcookie(((u64)addr_high << 32) | addr_low, buf, len); | |
455 | } | |
456 | ||
c202f298 TG |
457 | asmlinkage ssize_t sys32_readahead(int fd, unsigned off_lo, unsigned off_hi, |
458 | size_t count) | |
e412ac49 AK |
459 | { |
460 | return sys_readahead(fd, ((u64)off_hi << 32) | off_lo, count); | |
461 | } | |
462 | ||
463 | asmlinkage long sys32_sync_file_range(int fd, unsigned off_low, unsigned off_hi, | |
c202f298 | 464 | unsigned n_low, unsigned n_hi, int flags) |
e412ac49 AK |
465 | { |
466 | return sys_sync_file_range(fd, | |
467 | ((u64)off_hi << 32) | off_low, | |
468 | ((u64)n_hi << 32) | n_low, flags); | |
469 | } | |
470 | ||
c202f298 TG |
471 | asmlinkage long sys32_fadvise64(int fd, unsigned offset_lo, unsigned offset_hi, |
472 | size_t len, int advice) | |
e412ac49 AK |
473 | { |
474 | return sys_fadvise64_64(fd, ((u64)offset_hi << 32) | offset_lo, | |
475 | len, advice); | |
476 | } | |
97ac7350 AA |
477 | |
478 | asmlinkage long sys32_fallocate(int fd, int mode, unsigned offset_lo, | |
479 | unsigned offset_hi, unsigned len_lo, | |
480 | unsigned len_hi) | |
481 | { | |
482 | return sys_fallocate(fd, mode, ((u64)offset_hi << 32) | offset_lo, | |
483 | ((u64)len_hi << 32) | len_lo); | |
484 | } | |
bbaa4168 EP |
485 | |
486 | asmlinkage long sys32_fanotify_mark(int fanotify_fd, unsigned int flags, | |
487 | u32 mask_lo, u32 mask_hi, | |
488 | int fd, const char __user *pathname) | |
489 | { | |
490 | return sys_fanotify_mark(fanotify_fd, flags, | |
491 | ((u64)mask_hi << 32) | mask_lo, | |
492 | fd, pathname); | |
493 | } |