Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * sys_ppc32.c: Conversion between 32bit and 64bit native syscalls. | |
3 | * | |
4 | * Copyright (C) 2001 IBM | |
5 | * Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | |
6 | * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) | |
7 | * | |
8 | * These routines maintain argument size conversion between 32bit and 64bit | |
9 | * environment. | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU General Public License | |
13 | * as published by the Free Software Foundation; either version | |
14 | * 2 of the License, or (at your option) any later version. | |
15 | */ | |
16 | ||
1da177e4 LT |
17 | #include <linux/kernel.h> |
18 | #include <linux/sched.h> | |
19 | #include <linux/fs.h> | |
20 | #include <linux/mm.h> | |
21 | #include <linux/file.h> | |
22 | #include <linux/signal.h> | |
23 | #include <linux/resource.h> | |
24 | #include <linux/times.h> | |
1da177e4 | 25 | #include <linux/smp.h> |
1da177e4 LT |
26 | #include <linux/sem.h> |
27 | #include <linux/msg.h> | |
28 | #include <linux/shm.h> | |
1da177e4 LT |
29 | #include <linux/poll.h> |
30 | #include <linux/personality.h> | |
31 | #include <linux/stat.h> | |
1da177e4 | 32 | #include <linux/mman.h> |
1da177e4 | 33 | #include <linux/in.h> |
1da177e4 LT |
34 | #include <linux/syscalls.h> |
35 | #include <linux/unistd.h> | |
36 | #include <linux/sysctl.h> | |
37 | #include <linux/binfmts.h> | |
1da177e4 LT |
38 | #include <linux/security.h> |
39 | #include <linux/compat.h> | |
40 | #include <linux/ptrace.h> | |
1da177e4 | 41 | #include <linux/elf.h> |
cba4fbbf | 42 | #include <linux/ipc.h> |
5a0e3ad6 | 43 | #include <linux/slab.h> |
1da177e4 | 44 | |
1da177e4 LT |
45 | #include <asm/ptrace.h> |
46 | #include <asm/types.h> | |
1da177e4 LT |
47 | #include <asm/uaccess.h> |
48 | #include <asm/unistd.h> | |
1da177e4 LT |
49 | #include <asm/time.h> |
50 | #include <asm/mmu_context.h> | |
d387899f | 51 | #include <asm/ppc-pci.h> |
369cf4b9 | 52 | #include <asm/syscalls.h> |
ae3a197e | 53 | #include <asm/switch_to.h> |
1da177e4 | 54 | |
1da177e4 | 55 | |
1da177e4 LT |
56 | asmlinkage long ppc32_select(u32 n, compat_ulong_t __user *inp, |
57 | compat_ulong_t __user *outp, compat_ulong_t __user *exp, | |
58 | compat_uptr_t tvp_x) | |
59 | { | |
60 | /* sign extend n */ | |
61 | return compat_sys_select((int)n, inp, outp, exp, compat_ptr(tvp_x)); | |
62 | } | |
63 | ||
1da177e4 LT |
64 | /* Note: it is necessary to treat option as an unsigned int, |
65 | * with the corresponding cast to a signed int to insure that the | |
66 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
67 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
68 | */ | |
b09a4913 | 69 | asmlinkage long compat_sys_sysfs(u32 option, u32 arg1, u32 arg2) |
1da177e4 LT |
70 | { |
71 | return sys_sysfs((int)option, arg1, arg2); | |
72 | } | |
73 | ||
1da177e4 | 74 | #ifdef CONFIG_SYSVIPC |
b09a4913 | 75 | long compat_sys_ipc(u32 call, u32 first, u32 second, u32 third, compat_uptr_t ptr, |
1da177e4 LT |
76 | u32 fifth) |
77 | { | |
78 | int version; | |
79 | ||
80 | version = call >> 16; /* hack for backward compatibility */ | |
81 | call &= 0xffff; | |
82 | ||
83 | switch (call) { | |
84 | ||
85 | case SEMTIMEDOP: | |
86 | if (fifth) | |
87 | /* sign extend semid */ | |
88 | return compat_sys_semtimedop((int)first, | |
89 | compat_ptr(ptr), second, | |
90 | compat_ptr(fifth)); | |
91 | /* else fall through for normal semop() */ | |
92 | case SEMOP: | |
93 | /* struct sembuf is the same on 32 and 64bit :)) */ | |
94 | /* sign extend semid */ | |
95 | return sys_semtimedop((int)first, compat_ptr(ptr), second, | |
96 | NULL); | |
97 | case SEMGET: | |
98 | /* sign extend key, nsems */ | |
99 | return sys_semget((int)first, (int)second, third); | |
100 | case SEMCTL: | |
101 | /* sign extend semid, semnum */ | |
102 | return compat_sys_semctl((int)first, (int)second, third, | |
103 | compat_ptr(ptr)); | |
104 | ||
105 | case MSGSND: | |
106 | /* sign extend msqid */ | |
107 | return compat_sys_msgsnd((int)first, (int)second, third, | |
108 | compat_ptr(ptr)); | |
109 | case MSGRCV: | |
110 | /* sign extend msqid, msgtyp */ | |
111 | return compat_sys_msgrcv((int)first, second, (int)fifth, | |
112 | third, version, compat_ptr(ptr)); | |
113 | case MSGGET: | |
114 | /* sign extend key */ | |
115 | return sys_msgget((int)first, second); | |
116 | case MSGCTL: | |
117 | /* sign extend msqid */ | |
118 | return compat_sys_msgctl((int)first, second, compat_ptr(ptr)); | |
119 | ||
120 | case SHMAT: | |
121 | /* sign extend shmid */ | |
122 | return compat_sys_shmat((int)first, second, third, version, | |
123 | compat_ptr(ptr)); | |
124 | case SHMDT: | |
125 | return sys_shmdt(compat_ptr(ptr)); | |
126 | case SHMGET: | |
127 | /* sign extend key_t */ | |
128 | return sys_shmget((int)first, second, third); | |
129 | case SHMCTL: | |
130 | /* sign extend shmid */ | |
131 | return compat_sys_shmctl((int)first, second, compat_ptr(ptr)); | |
132 | ||
133 | default: | |
134 | return -ENOSYS; | |
135 | } | |
136 | ||
137 | return -ENOSYS; | |
138 | } | |
139 | #endif | |
140 | ||
141 | /* Note: it is necessary to treat out_fd and in_fd as unsigned ints, | |
142 | * with the corresponding cast to a signed int to insure that the | |
143 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
144 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
145 | */ | |
8f9c0119 CM |
146 | asmlinkage long compat_sys_sendfile_wrapper(u32 out_fd, u32 in_fd, |
147 | compat_off_t __user *offset, u32 count) | |
1da177e4 | 148 | { |
8f9c0119 | 149 | return compat_sys_sendfile((int)out_fd, (int)in_fd, offset, count); |
1da177e4 LT |
150 | } |
151 | ||
8f9c0119 CM |
152 | asmlinkage long compat_sys_sendfile64_wrapper(u32 out_fd, u32 in_fd, |
153 | compat_loff_t __user *offset, u32 count) | |
1da177e4 | 154 | { |
8f9c0119 CM |
155 | return sys_sendfile((int)out_fd, (int)in_fd, |
156 | (off_t __user *)offset, count); | |
1da177e4 LT |
157 | } |
158 | ||
1da177e4 LT |
159 | /* Note: it is necessary to treat option as an unsigned int, |
160 | * with the corresponding cast to a signed int to insure that the | |
161 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
162 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
163 | */ | |
b09a4913 | 164 | asmlinkage long compat_sys_prctl(u32 option, u32 arg2, u32 arg3, u32 arg4, u32 arg5) |
1da177e4 LT |
165 | { |
166 | return sys_prctl((int)option, | |
167 | (unsigned long) arg2, | |
168 | (unsigned long) arg3, | |
169 | (unsigned long) arg4, | |
170 | (unsigned long) arg5); | |
171 | } | |
172 | ||
173 | /* Note: it is necessary to treat pid as an unsigned int, | |
174 | * with the corresponding cast to a signed int to insure that the | |
175 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
176 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
177 | */ | |
0ad50c38 CM |
178 | asmlinkage long compat_sys_sched_rr_get_interval_wrapper(u32 pid, |
179 | struct compat_timespec __user *interval) | |
1da177e4 | 180 | { |
0ad50c38 | 181 | return compat_sys_sched_rr_get_interval((int)pid, interval); |
1da177e4 LT |
182 | } |
183 | ||
1da177e4 LT |
184 | /* Note: it is necessary to treat mode as an unsigned int, |
185 | * with the corresponding cast to a signed int to insure that the | |
186 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
187 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
188 | */ | |
b09a4913 | 189 | asmlinkage long compat_sys_access(const char __user * filename, u32 mode) |
1da177e4 LT |
190 | { |
191 | return sys_access(filename, (int)mode); | |
192 | } | |
193 | ||
194 | ||
195 | /* Note: it is necessary to treat mode as an unsigned int, | |
196 | * with the corresponding cast to a signed int to insure that the | |
197 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
198 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
199 | */ | |
b09a4913 | 200 | asmlinkage long compat_sys_creat(const char __user * pathname, u32 mode) |
1da177e4 LT |
201 | { |
202 | return sys_creat(pathname, (int)mode); | |
203 | } | |
204 | ||
205 | ||
206 | /* Note: it is necessary to treat pid and options as unsigned ints, | |
207 | * with the corresponding cast to a signed int to insure that the | |
208 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
209 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
210 | */ | |
b09a4913 | 211 | asmlinkage long compat_sys_waitpid(u32 pid, unsigned int __user * stat_addr, u32 options) |
1da177e4 LT |
212 | { |
213 | return sys_waitpid((int)pid, stat_addr, (int)options); | |
214 | } | |
215 | ||
216 | ||
217 | /* Note: it is necessary to treat gidsetsize as an unsigned int, | |
218 | * with the corresponding cast to a signed int to insure that the | |
219 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
220 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
221 | */ | |
b09a4913 | 222 | asmlinkage long compat_sys_getgroups(u32 gidsetsize, gid_t __user *grouplist) |
1da177e4 LT |
223 | { |
224 | return sys_getgroups((int)gidsetsize, grouplist); | |
225 | } | |
226 | ||
227 | ||
228 | /* Note: it is necessary to treat pid as an unsigned int, | |
229 | * with the corresponding cast to a signed int to insure that the | |
230 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
231 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
232 | */ | |
b09a4913 | 233 | asmlinkage long compat_sys_getpgid(u32 pid) |
1da177e4 LT |
234 | { |
235 | return sys_getpgid((int)pid); | |
236 | } | |
237 | ||
238 | ||
1da177e4 LT |
239 | |
240 | /* Note: it is necessary to treat pid as an unsigned int, | |
241 | * with the corresponding cast to a signed int to insure that the | |
242 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
243 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
244 | */ | |
b09a4913 | 245 | asmlinkage long compat_sys_getsid(u32 pid) |
1da177e4 LT |
246 | { |
247 | return sys_getsid((int)pid); | |
248 | } | |
249 | ||
250 | ||
251 | /* Note: it is necessary to treat pid and sig as unsigned ints, | |
252 | * with the corresponding cast to a signed int to insure that the | |
253 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
254 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
255 | */ | |
b09a4913 | 256 | asmlinkage long compat_sys_kill(u32 pid, u32 sig) |
1da177e4 LT |
257 | { |
258 | return sys_kill((int)pid, (int)sig); | |
259 | } | |
260 | ||
261 | ||
262 | /* Note: it is necessary to treat mode as an unsigned int, | |
263 | * with the corresponding cast to a signed int to insure that the | |
264 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
265 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
266 | */ | |
b09a4913 | 267 | asmlinkage long compat_sys_mkdir(const char __user * pathname, u32 mode) |
1da177e4 LT |
268 | { |
269 | return sys_mkdir(pathname, (int)mode); | |
270 | } | |
271 | ||
b09a4913 | 272 | long compat_sys_nice(u32 increment) |
1da177e4 LT |
273 | { |
274 | /* sign extend increment */ | |
275 | return sys_nice((int)increment); | |
276 | } | |
277 | ||
278 | off_t ppc32_lseek(unsigned int fd, u32 offset, unsigned int origin) | |
279 | { | |
280 | /* sign extend n */ | |
281 | return sys_lseek(fd, (int)offset, origin); | |
282 | } | |
283 | ||
dd90bbd5 BH |
284 | long compat_sys_truncate(const char __user * path, u32 length) |
285 | { | |
286 | /* sign extend length */ | |
287 | return sys_truncate(path, (int)length); | |
288 | } | |
289 | ||
290 | long compat_sys_ftruncate(int fd, u32 length) | |
291 | { | |
292 | /* sign extend length */ | |
293 | return sys_ftruncate(fd, (int)length); | |
294 | } | |
295 | ||
1da177e4 LT |
296 | /* Note: it is necessary to treat bufsiz as an unsigned int, |
297 | * with the corresponding cast to a signed int to insure that the | |
298 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
299 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
300 | */ | |
b09a4913 | 301 | asmlinkage long compat_sys_readlink(const char __user * path, char __user * buf, u32 bufsiz) |
1da177e4 LT |
302 | { |
303 | return sys_readlink(path, buf, (int)bufsiz); | |
304 | } | |
305 | ||
306 | /* Note: it is necessary to treat option as an unsigned int, | |
307 | * with the corresponding cast to a signed int to insure that the | |
308 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
309 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
310 | */ | |
b09a4913 | 311 | asmlinkage long compat_sys_sched_get_priority_max(u32 policy) |
1da177e4 LT |
312 | { |
313 | return sys_sched_get_priority_max((int)policy); | |
314 | } | |
315 | ||
316 | ||
317 | /* Note: it is necessary to treat policy as an unsigned int, | |
318 | * with the corresponding cast to a signed int to insure that the | |
319 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
320 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
321 | */ | |
b09a4913 | 322 | asmlinkage long compat_sys_sched_get_priority_min(u32 policy) |
1da177e4 LT |
323 | { |
324 | return sys_sched_get_priority_min((int)policy); | |
325 | } | |
326 | ||
327 | ||
328 | /* Note: it is necessary to treat pid as an unsigned int, | |
329 | * with the corresponding cast to a signed int to insure that the | |
330 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
331 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
332 | */ | |
b09a4913 | 333 | asmlinkage long compat_sys_sched_getparam(u32 pid, struct sched_param __user *param) |
1da177e4 LT |
334 | { |
335 | return sys_sched_getparam((int)pid, param); | |
336 | } | |
337 | ||
338 | ||
339 | /* Note: it is necessary to treat pid as an unsigned int, | |
340 | * with the corresponding cast to a signed int to insure that the | |
341 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
342 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
343 | */ | |
b09a4913 | 344 | asmlinkage long compat_sys_sched_getscheduler(u32 pid) |
1da177e4 LT |
345 | { |
346 | return sys_sched_getscheduler((int)pid); | |
347 | } | |
348 | ||
349 | ||
350 | /* Note: it is necessary to treat pid as an unsigned int, | |
351 | * with the corresponding cast to a signed int to insure that the | |
352 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
353 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
354 | */ | |
b09a4913 | 355 | asmlinkage long compat_sys_sched_setparam(u32 pid, struct sched_param __user *param) |
1da177e4 LT |
356 | { |
357 | return sys_sched_setparam((int)pid, param); | |
358 | } | |
359 | ||
360 | ||
361 | /* Note: it is necessary to treat pid and policy as unsigned ints, | |
362 | * with the corresponding cast to a signed int to insure that the | |
363 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
364 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
365 | */ | |
b09a4913 | 366 | asmlinkage long compat_sys_sched_setscheduler(u32 pid, u32 policy, struct sched_param __user *param) |
1da177e4 LT |
367 | { |
368 | return sys_sched_setscheduler((int)pid, (int)policy, param); | |
369 | } | |
370 | ||
371 | ||
372 | /* Note: it is necessary to treat len as an unsigned int, | |
373 | * with the corresponding cast to a signed int to insure that the | |
374 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
375 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
376 | */ | |
b09a4913 | 377 | asmlinkage long compat_sys_setdomainname(char __user *name, u32 len) |
1da177e4 LT |
378 | { |
379 | return sys_setdomainname(name, (int)len); | |
380 | } | |
381 | ||
382 | ||
383 | /* Note: it is necessary to treat gidsetsize as an unsigned int, | |
384 | * with the corresponding cast to a signed int to insure that the | |
385 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
386 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
387 | */ | |
b09a4913 | 388 | asmlinkage long compat_sys_setgroups(u32 gidsetsize, gid_t __user *grouplist) |
1da177e4 LT |
389 | { |
390 | return sys_setgroups((int)gidsetsize, grouplist); | |
391 | } | |
392 | ||
393 | ||
b09a4913 | 394 | asmlinkage long compat_sys_sethostname(char __user *name, u32 len) |
1da177e4 LT |
395 | { |
396 | /* sign extend len */ | |
397 | return sys_sethostname(name, (int)len); | |
398 | } | |
399 | ||
400 | ||
401 | /* Note: it is necessary to treat pid and pgid as unsigned ints, | |
402 | * with the corresponding cast to a signed int to insure that the | |
403 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
404 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
405 | */ | |
b09a4913 | 406 | asmlinkage long compat_sys_setpgid(u32 pid, u32 pgid) |
1da177e4 LT |
407 | { |
408 | return sys_setpgid((int)pid, (int)pgid); | |
409 | } | |
410 | ||
b09a4913 | 411 | long compat_sys_getpriority(u32 which, u32 who) |
79c2cc7b AB |
412 | { |
413 | /* sign extend which and who */ | |
414 | return sys_getpriority((int)which, (int)who); | |
415 | } | |
1da177e4 | 416 | |
b09a4913 | 417 | long compat_sys_setpriority(u32 which, u32 who, u32 niceval) |
1da177e4 LT |
418 | { |
419 | /* sign extend which, who and niceval */ | |
420 | return sys_setpriority((int)which, (int)who, (int)niceval); | |
421 | } | |
422 | ||
b09a4913 | 423 | long compat_sys_ioprio_get(u32 which, u32 who) |
79c2cc7b AB |
424 | { |
425 | /* sign extend which and who */ | |
426 | return sys_ioprio_get((int)which, (int)who); | |
427 | } | |
428 | ||
b09a4913 | 429 | long compat_sys_ioprio_set(u32 which, u32 who, u32 ioprio) |
79c2cc7b AB |
430 | { |
431 | /* sign extend which, who and ioprio */ | |
432 | return sys_ioprio_set((int)which, (int)who, (int)ioprio); | |
433 | } | |
434 | ||
1da177e4 LT |
435 | /* Note: it is necessary to treat newmask as an unsigned int, |
436 | * with the corresponding cast to a signed int to insure that the | |
437 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
438 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
439 | */ | |
b09a4913 | 440 | asmlinkage long compat_sys_ssetmask(u32 newmask) |
1da177e4 LT |
441 | { |
442 | return sys_ssetmask((int) newmask); | |
443 | } | |
444 | ||
b09a4913 | 445 | asmlinkage long compat_sys_syslog(u32 type, char __user * buf, u32 len) |
1da177e4 LT |
446 | { |
447 | /* sign extend len */ | |
448 | return sys_syslog(type, buf, (int)len); | |
449 | } | |
450 | ||
451 | ||
452 | /* Note: it is necessary to treat mask as an unsigned int, | |
453 | * with the corresponding cast to a signed int to insure that the | |
454 | * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) | |
455 | * and the register representation of a signed int (msr in 64-bit mode) is performed. | |
456 | */ | |
b09a4913 | 457 | asmlinkage long compat_sys_umask(u32 mask) |
1da177e4 LT |
458 | { |
459 | return sys_umask((int)mask); | |
460 | } | |
461 | ||
b09a4913 | 462 | unsigned long compat_sys_mmap2(unsigned long addr, size_t len, |
1da177e4 LT |
463 | unsigned long prot, unsigned long flags, |
464 | unsigned long fd, unsigned long pgoff) | |
465 | { | |
466 | /* This should remain 12 even if PAGE_SIZE changes */ | |
467 | return sys_mmap(addr, len, prot, flags, fd, pgoff << 12); | |
468 | } | |
469 | ||
b09a4913 | 470 | long compat_sys_tgkill(u32 tgid, u32 pid, int sig) |
1da177e4 LT |
471 | { |
472 | /* sign extend tgid, pid */ | |
473 | return sys_tgkill((int)tgid, (int)pid, sig); | |
474 | } | |
475 | ||
476 | /* | |
477 | * long long munging: | |
478 | * The 32 bit ABI passes long longs in an odd even register pair. | |
479 | */ | |
480 | ||
b09a4913 | 481 | compat_ssize_t compat_sys_pread64(unsigned int fd, char __user *ubuf, compat_size_t count, |
1da177e4 LT |
482 | u32 reg6, u32 poshi, u32 poslo) |
483 | { | |
484 | return sys_pread64(fd, ubuf, count, ((loff_t)poshi << 32) | poslo); | |
485 | } | |
486 | ||
c7887325 | 487 | compat_ssize_t compat_sys_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count, |
1da177e4 LT |
488 | u32 reg6, u32 poshi, u32 poslo) |
489 | { | |
490 | return sys_pwrite64(fd, ubuf, count, ((loff_t)poshi << 32) | poslo); | |
491 | } | |
492 | ||
b09a4913 | 493 | compat_ssize_t compat_sys_readahead(int fd, u32 r4, u32 offhi, u32 offlo, u32 count) |
1da177e4 LT |
494 | { |
495 | return sys_readahead(fd, ((loff_t)offhi << 32) | offlo, count); | |
496 | } | |
497 | ||
b09a4913 | 498 | asmlinkage int compat_sys_truncate64(const char __user * path, u32 reg4, |
1da177e4 LT |
499 | unsigned long high, unsigned long low) |
500 | { | |
501 | return sys_truncate(path, (high << 32) | low); | |
502 | } | |
503 | ||
97ac7350 AA |
504 | asmlinkage long compat_sys_fallocate(int fd, int mode, u32 offhi, u32 offlo, |
505 | u32 lenhi, u32 lenlo) | |
506 | { | |
507 | return sys_fallocate(fd, mode, ((loff_t)offhi << 32) | offlo, | |
508 | ((loff_t)lenhi << 32) | lenlo); | |
509 | } | |
510 | ||
b09a4913 | 511 | asmlinkage int compat_sys_ftruncate64(unsigned int fd, u32 reg4, unsigned long high, |
1da177e4 LT |
512 | unsigned long low) |
513 | { | |
514 | return sys_ftruncate(fd, (high << 32) | low); | |
515 | } | |
516 | ||
517 | long ppc32_lookup_dcookie(u32 cookie_high, u32 cookie_low, char __user *buf, | |
518 | size_t len) | |
519 | { | |
520 | return sys_lookup_dcookie((u64)cookie_high << 32 | cookie_low, | |
521 | buf, len); | |
522 | } | |
523 | ||
524 | long ppc32_fadvise64(int fd, u32 unused, u32 offset_high, u32 offset_low, | |
525 | size_t len, int advice) | |
526 | { | |
527 | return sys_fadvise64(fd, (u64)offset_high << 32 | offset_low, len, | |
528 | advice); | |
529 | } | |
530 | ||
b09a4913 | 531 | asmlinkage long compat_sys_add_key(const char __user *_type, |
1da177e4 LT |
532 | const char __user *_description, |
533 | const void __user *_payload, | |
534 | u32 plen, | |
535 | u32 ringid) | |
536 | { | |
537 | return sys_add_key(_type, _description, _payload, plen, ringid); | |
538 | } | |
539 | ||
b09a4913 | 540 | asmlinkage long compat_sys_request_key(const char __user *_type, |
1da177e4 LT |
541 | const char __user *_description, |
542 | const char __user *_callout_info, | |
543 | u32 destringid) | |
544 | { | |
545 | return sys_request_key(_type, _description, _callout_info, destringid); | |
546 | } | |
547 | ||
edd5cd4a DW |
548 | asmlinkage long compat_sys_sync_file_range2(int fd, unsigned int flags, |
549 | unsigned offset_hi, unsigned offset_lo, | |
550 | unsigned nbytes_hi, unsigned nbytes_lo) | |
551 | { | |
552 | loff_t offset = ((loff_t)offset_hi << 32) | offset_lo; | |
553 | loff_t nbytes = ((loff_t)nbytes_hi << 32) | nbytes_lo; | |
554 | ||
555 | return sys_sync_file_range(fd, offset, nbytes, flags); | |
556 | } | |
bcc30d37 AS |
557 | |
558 | asmlinkage long compat_sys_fanotify_mark(int fanotify_fd, unsigned int flags, | |
559 | unsigned mask_hi, unsigned mask_lo, | |
560 | int dfd, const char __user *pathname) | |
561 | { | |
562 | u64 mask = ((u64)mask_hi << 32) | mask_lo; | |
563 | return sys_fanotify_mark(fanotify_fd, flags, mask, dfd, pathname); | |
564 | } |