summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/common/stubs.c
blob: 1f985e05f8a71e98240e99294f8314a29f73b96b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
/*
 * system call not available stub
 *
 * Copyright (C) 2009 Analog Devices Inc.
 *
 * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 */

/* Please keep the list sorted alphabetically, in ascending order
 * of the stub name!  */

#include <errno.h>
#include <bits/wordsize.h>
#include <sys/syscall.h>

#ifdef __UCLIBC_HAS_STUBS__

__attribute_used__ static int enosys_stub(void)
{
	__set_errno(ENOSYS);
	return -1;
}

__attribute_used__ static int ret_enosys_stub(void)
{
	return ENOSYS;
}

#define make_stub(stub) \
	link_warning(stub, #stub ": this function is not implemented") \
	strong_alias(enosys_stub, stub)

#define make_ret_stub(stub) \
	link_warning(stub, #stub ": this function is not implemented") \
	strong_alias(ret_enosys_stub, stub)

#ifndef __ARCH_USE_MMU__
# undef __NR_fork
#endif

#ifdef __arm__
# define __NR_fadvise64_64 __NR_arm_fadvise64_64
# define __NR_fadvise64 __NR_arm_fadvise64_64
/* ARM always provides funcs w/out syscalls; disable the stubs */
# define __NR_ioperm 0
# define __NR_iopl 0
#endif

#ifdef __mips__
# define __NR_fadvise64_64 __NR_fadvise64
#endif

#ifdef __xtensa__
# define __NR_fadvise64 __NR_fadvise64_64
#endif

#if !defined __NR_accept && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
make_stub(accept)
#endif

#if !defined __NR_accept4 && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__ && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(accept4)
#endif

#if !defined __NR_arch_prctl && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(arch_prctl)
#endif

#if !defined __NR_bdflush && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(bdflush)
#endif

#if !defined __NR_bind && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
make_stub(bind)
#endif

#if !defined __NR_capget && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(capget)
#endif

#if !defined __NR_capset && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(capset)
#endif

#if !defined __NR_connect && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
make_stub(connect)
#endif

#if !defined __NR_create_module && defined __UCLIBC_LINUX_MODULE_24__
make_stub(create_module)
#endif

#if !defined __NR_delete_module && defined __UCLIBC_LINUX_MODULE_26__
make_stub(delete_module)
#endif

#if !defined __NR_epoll_create && defined __UCLIBC_HAS_EPOLL__
make_stub(epoll_create)
#endif

#if !defined __NR_epoll_ctl && defined __UCLIBC_HAS_EPOLL__
make_stub(epoll_ctl)
#endif

#if !defined __NR_epoll_pwait && defined __UCLIBC_HAS_EPOLL__
make_stub(epoll_pwait)
#endif

#if !defined __NR_epoll_wait && defined __UCLIBC_HAS_EPOLL__
make_stub(epoll_wait)
#endif

#if !defined __NR_eventfd && !defined __NR_eventfd2 && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(eventfd)
#endif

#if !defined __NR_fdatasync && !defined __NR_osf_fdatasync
make_stub(fdatasync)
#endif

#ifndef __NR_fgetxattr
make_stub(fgetxattr)
#endif

#ifndef __NR_flistxattr
make_stub(flistxattr)
#endif

#ifndef __NR_fork
make_stub(fork)
#endif

#ifndef __NR_fremovexattr
make_stub(fremovexattr)
#endif

#ifndef __NR_fsetxattr
make_stub(fsetxattr)
#endif

#if !defined __NR_fstatfs && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(fstatfs)
#endif

#ifndef __NR_get_kernel_syms
make_stub(get_kernel_syms)
#endif

#if !defined __NR_getpeername && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
make_stub(getpeername)
#endif

#if !defined __NR_getpgrp && !defined __NR_getpgid
make_stub(getpgrp)
#endif

#if !defined __NR_getsockname && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
make_stub(getsockname)
#endif

#if !defined __NR_getsockopt && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
make_stub(getsockopt)
#endif

#ifndef __NR_getxattr
make_stub(getxattr)
#endif

#if !defined __NR_init_module && defined __UCLIBC_LINUX_MODULE_26__
make_stub(init_module)
#endif

#if !defined __NR_inotify_add_watch && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(inotify_add_watch)
#endif

#if !defined __NR_inotify_init && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(inotify_init)
#endif

#if !defined __NR_inotify_init1 && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(inotify_init1)
#endif

#if !defined __NR_inotify_rm_watch && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(inotify_rm_watch)
#endif

#if !defined __NR_ioperm && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(ioperm)
#endif

#if !defined __NR_iopl && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(iopl)
#endif

#ifndef __NR_lgetxattr
make_stub(lgetxattr)
#endif

#if !defined __NR_listen && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
make_stub(listen)
#endif

#ifndef __NR_listxattr
make_stub(listxattr)
#endif

#ifndef __NR_llistxattr
make_stub(llistxattr)
#endif

#ifndef __NR_lremovexattr
make_stub(lremovexattr)
#endif

#ifndef __NR_lsetxattr
make_stub(lsetxattr)
#endif

#if !defined __NR_madvise && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(madvise)
#endif

#if !defined __NR_modify_ldt && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(modify_ldt)
#endif

#ifndef __NR_openat
make_stub(openat)
# ifdef __UCLIBC_HAS_LFS__
make_stub(openat64)
# endif
#endif

#if !defined __NR_personality && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(personality)
#endif

#if !defined __NR_pipe2 && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(pipe2)
#endif

#if !defined __NR_pivot_root && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(pivot_root)
#endif

#if !defined __NR_fadvise64 && defined __UCLIBC_HAS_LFS__
make_ret_stub(posix_fadvise)
#endif

#if !defined __NR_fadvise64_64 && defined __UCLIBC_HAS_LFS__ && __WORDSIZE == 32
make_ret_stub(posix_fadvise64)
#endif

#ifndef __NR_madvise
make_ret_stub(posix_madvise)
#endif

#if !defined __NR_ppoll && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(ppoll)
#endif

#if !defined __NR_prctl && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(prctl)
#endif

#if !defined __NR_query_module && defined __UCLIBC_LINUX_MODULE_24__
make_stub(query_module)
#endif

#if !defined __NR_readahead && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(readahead)
#endif

#if !defined __NR_reboot && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(reboot)
#endif

#if !defined __NR_recv && !defined __NR_socketcall && !defined __NR_recvfrom && defined __UCLIBC_HAS_SOCKET__
make_stub(recv)
#endif

#if !defined __NR_recvfrom && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
make_stub(recvfrom)
#endif

#if !defined __NR_recvmsg && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
make_stub(recvmsg)
#endif

#if !defined __NR_remap_file_pages && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(remap_file_pages)
#endif

#ifndef __NR_removexattr
make_stub(removexattr)
#endif

#ifndef __NR_renameat
make_stub(renameat)
#endif

#if !defined __NR_sched_getaffinity && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(sched_getaffinity)
#endif

#if !defined __NR_getcpu && defined __UCLIBC_LINUX_SPECIFIC__ && ((defined __x86_64__ && !defined __UCLIBC_HAS_TLS__) || !defined __x86_64__)
make_stub(sched_getcpu)
#endif

#if !defined __NR_sched_setaffinity && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(sched_setaffinity)
#endif

#if !defined __NR_send && !defined __NR_socketcall && !defined __NR_sendto && defined __UCLIBC_HAS_SOCKET__
make_stub(send)
#endif

#if !defined __NR_sendfile && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(sendfile)
#endif

#if !defined __NR_sendfile64 && !defined __NR_sendfile && defined __UCLIBC_LINUX_SPECIFIC__ && defined __UCLIBC_HAS_LFS__
make_stub(sendfile64)
#endif

#if !defined __NR_sendmsg && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
make_stub(sendmsg)
#endif

#if !defined __NR_sendto && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
make_stub(sendto)
#endif

#if ((__WORDSIZE == 32 && (!defined __NR_setfsgid32 && !defined __NR_setfsgid)) || (__WORDSIZE == 64 && !defined __NR_setfsgid)) && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(setfsgid)
#endif

#if ((__WORDSIZE == 32 && (!defined __NR_setfsuid32 && !defined __NR_setfsuid)) || (__WORDSIZE == 64 && !defined __NR_setfsuid)) && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(setfsuid)
#endif

#if !defined __NR_setresgid32 && !defined __NR_setresgid && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(setresgid)
#endif

#if !defined __NR_setresuid32 && !defined __NR_setresuid && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(setresuid)
#endif

#if !defined __NR_setsockopt && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
make_stub(setsockopt)
#endif

#ifndef __NR_setxattr
make_stub(setxattr)
#endif

#if !defined __NR_shutdown && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
make_stub(shutdown)
#endif

#if !defined __NR_signalfd4 && !defined __NR_signalfd && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(signalfd)
#endif

#ifndef __NR_rt_sigtimedwait
make_stub(sigtimedwait)
make_stub(sigwaitinfo)
#endif

#ifndef __NR_rt_sigqueueinfo
make_stub(sigqueue)
#endif

#if !defined __NR_socket && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
make_stub(socket)
#endif

#if !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
make_stub(socketcall)
#endif

#if !defined __NR_socketpair && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
make_stub(socketpair)
#endif

#if !defined __NR_stime && !defined __NR_settimeofday
make_stub(stime)
make_stub(settimeofday)
#endif

#if !defined __NR_splice && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(splice)
#endif

#if !defined __NR_swapoff && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(swapoff)
#endif

#if !defined __NR_swapon && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(swapon)
#endif

#if !defined __NR_symlink && !defined __NR_symlinkat
make_stub(symlink)
#endif

#if !defined __NR_sync_file_range && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(sync_file_range)
#endif

#if !defined __NR__sysctl && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(_sysctl)
#endif

#if !defined __NR_sysinfo && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(sysinfo)
#endif

#if !defined __NR_tee && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(tee)
#endif

#if !defined __NR_timerfd_create && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(timerfd_create)
#endif

#if !defined __NR_timerfd_settime && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(timerfd_settime)
#endif

#if !defined __NR_timerfd_gettime && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(timerfd_gettime)
#endif

#ifndef __NR_utimensat
make_stub(futimens)
make_stub(utimensat)
# ifndef __NR_lutimes
make_stub(lutimes)
# endif
#endif

#if !defined __NR_utime && !defined __NR_utimes
/*make_stub(utime) obsoleted */
make_stub(utimes)
#endif

#if !defined __NR_umount && !defined __NR_umount2 && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(umount)
#endif

#if !defined __NR_umount2 && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(umount2)
#endif

#if !defined __NR_unshare && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(unshare)
#endif

#if !defined __NR_vhangup && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(vhangup)
#endif

#if !defined __NR_vmsplice && defined __UCLIBC_LINUX_SPECIFIC__
make_stub(vmsplice)
#endif

#endif