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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
2f368e4a ZJS |
2 | #pragma once |
3 | ||
2f368e4a ZJS |
4 | /* Missing glibc definitions to access certain kernel APIs */ |
5 | ||
36dd5ffd YW |
6 | #include <fcntl.h> |
7 | #include <sys/syscall.h> | |
71e5200f DM |
8 | #include <sys/types.h> |
9 | ||
d7276b61 | 10 | #include "missing_keyctl.h" |
e01819f8 | 11 | #include "missing_stat.h" |
d7276b61 | 12 | |
4b9545f1 | 13 | #if !HAVE_PIVOT_ROOT |
5187dd2c | 14 | static inline int missing_pivot_root(const char *new_root, const char *put_old) { |
d06f3829 | 15 | return syscall(__NR_pivot_root, new_root, put_old); |
2f368e4a | 16 | } |
5187dd2c ZJS |
17 | |
18 | # define pivot_root missing_pivot_root | |
2f368e4a ZJS |
19 | #endif |
20 | ||
21 | /* ======================================================================= */ | |
22 | ||
4b9545f1 | 23 | #if !HAVE_MEMFD_CREATE |
2f368e4a ZJS |
24 | # ifndef __NR_memfd_create |
25 | # if defined __x86_64__ | |
26 | # define __NR_memfd_create 319 | |
27 | # elif defined __arm__ | |
28 | # define __NR_memfd_create 385 | |
29 | # elif defined __aarch64__ | |
30 | # define __NR_memfd_create 279 | |
31 | # elif defined __s390__ | |
32 | # define __NR_memfd_create 350 | |
33 | # elif defined _MIPS_SIM | |
34 | # if _MIPS_SIM == _MIPS_SIM_ABI32 | |
35 | # define __NR_memfd_create 4354 | |
36 | # endif | |
37 | # if _MIPS_SIM == _MIPS_SIM_NABI32 | |
38 | # define __NR_memfd_create 6318 | |
39 | # endif | |
40 | # if _MIPS_SIM == _MIPS_SIM_ABI64 | |
41 | # define __NR_memfd_create 5314 | |
42 | # endif | |
43 | # elif defined __i386__ | |
44 | # define __NR_memfd_create 356 | |
27b09f1f AB |
45 | # elif defined __arc__ |
46 | # define __NR_memfd_create 279 | |
2f368e4a ZJS |
47 | # else |
48 | # warning "__NR_memfd_create unknown for your architecture" | |
49 | # endif | |
50 | # endif | |
51 | ||
5187dd2c | 52 | static inline int missing_memfd_create(const char *name, unsigned int flags) { |
2f368e4a ZJS |
53 | # ifdef __NR_memfd_create |
54 | return syscall(__NR_memfd_create, name, flags); | |
55 | # else | |
56 | errno = ENOSYS; | |
57 | return -1; | |
58 | # endif | |
59 | } | |
5187dd2c ZJS |
60 | |
61 | # define memfd_create missing_memfd_create | |
2f368e4a ZJS |
62 | #endif |
63 | ||
64 | /* ======================================================================= */ | |
65 | ||
4b9545f1 | 66 | #if !HAVE_GETRANDOM |
2f368e4a ZJS |
67 | # ifndef __NR_getrandom |
68 | # if defined __x86_64__ | |
69 | # define __NR_getrandom 318 | |
70 | # elif defined(__i386__) | |
71 | # define __NR_getrandom 355 | |
72 | # elif defined(__arm__) | |
73 | # define __NR_getrandom 384 | |
74 | # elif defined(__aarch64__) | |
75 | # define __NR_getrandom 278 | |
76 | # elif defined(__ia64__) | |
77 | # define __NR_getrandom 1339 | |
78 | # elif defined(__m68k__) | |
79 | # define __NR_getrandom 352 | |
80 | # elif defined(__s390x__) | |
81 | # define __NR_getrandom 349 | |
82 | # elif defined(__powerpc__) | |
83 | # define __NR_getrandom 359 | |
84 | # elif defined _MIPS_SIM | |
85 | # if _MIPS_SIM == _MIPS_SIM_ABI32 | |
86 | # define __NR_getrandom 4353 | |
87 | # endif | |
88 | # if _MIPS_SIM == _MIPS_SIM_NABI32 | |
89 | # define __NR_getrandom 6317 | |
90 | # endif | |
91 | # if _MIPS_SIM == _MIPS_SIM_ABI64 | |
92 | # define __NR_getrandom 5313 | |
93 | # endif | |
27b09f1f AB |
94 | # elif defined(__arc__) |
95 | # define __NR_getrandom 278 | |
2f368e4a ZJS |
96 | # else |
97 | # warning "__NR_getrandom unknown for your architecture" | |
98 | # endif | |
99 | # endif | |
100 | ||
5187dd2c | 101 | static inline int missing_getrandom(void *buffer, size_t count, unsigned flags) { |
2f368e4a ZJS |
102 | # ifdef __NR_getrandom |
103 | return syscall(__NR_getrandom, buffer, count, flags); | |
104 | # else | |
105 | errno = ENOSYS; | |
106 | return -1; | |
107 | # endif | |
108 | } | |
5187dd2c ZJS |
109 | |
110 | # define getrandom missing_getrandom | |
2f368e4a ZJS |
111 | #endif |
112 | ||
113 | /* ======================================================================= */ | |
114 | ||
4b9545f1 | 115 | #if !HAVE_GETTID |
5187dd2c | 116 | static inline pid_t missing_gettid(void) { |
d06f3829 | 117 | return (pid_t) syscall(__NR_gettid); |
2f368e4a | 118 | } |
5187dd2c ZJS |
119 | |
120 | # define gettid missing_gettid | |
2f368e4a ZJS |
121 | #endif |
122 | ||
123 | /* ======================================================================= */ | |
124 | ||
4b9545f1 | 125 | #if !HAVE_NAME_TO_HANDLE_AT |
2f368e4a ZJS |
126 | # ifndef __NR_name_to_handle_at |
127 | # if defined(__x86_64__) | |
128 | # define __NR_name_to_handle_at 303 | |
129 | # elif defined(__i386__) | |
130 | # define __NR_name_to_handle_at 341 | |
131 | # elif defined(__arm__) | |
132 | # define __NR_name_to_handle_at 370 | |
133 | # elif defined(__powerpc__) | |
134 | # define __NR_name_to_handle_at 345 | |
27b09f1f AB |
135 | # elif defined(__arc__) |
136 | # define __NR_name_to_handle_at 264 | |
2f368e4a ZJS |
137 | # else |
138 | # error "__NR_name_to_handle_at is not defined" | |
139 | # endif | |
140 | # endif | |
141 | ||
142 | struct file_handle { | |
143 | unsigned int handle_bytes; | |
144 | int handle_type; | |
145 | unsigned char f_handle[0]; | |
146 | }; | |
147 | ||
5187dd2c | 148 | static inline int missing_name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) { |
2f368e4a ZJS |
149 | # ifdef __NR_name_to_handle_at |
150 | return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags); | |
151 | # else | |
152 | errno = ENOSYS; | |
153 | return -1; | |
154 | # endif | |
155 | } | |
5187dd2c ZJS |
156 | |
157 | # define name_to_handle_at missing_name_to_handle_at | |
2f368e4a ZJS |
158 | #endif |
159 | ||
160 | /* ======================================================================= */ | |
161 | ||
4b9545f1 | 162 | #if !HAVE_SETNS |
2f368e4a ZJS |
163 | # ifndef __NR_setns |
164 | # if defined(__x86_64__) | |
165 | # define __NR_setns 308 | |
166 | # elif defined(__i386__) | |
167 | # define __NR_setns 346 | |
27b09f1f AB |
168 | # elif defined(__arc__) |
169 | # define __NR_setns 268 | |
2f368e4a ZJS |
170 | # else |
171 | # error "__NR_setns is not defined" | |
172 | # endif | |
173 | # endif | |
174 | ||
5187dd2c | 175 | static inline int missing_setns(int fd, int nstype) { |
2f368e4a ZJS |
176 | # ifdef __NR_setns |
177 | return syscall(__NR_setns, fd, nstype); | |
178 | # else | |
179 | errno = ENOSYS; | |
180 | return -1; | |
181 | # endif | |
182 | } | |
5187dd2c ZJS |
183 | |
184 | # define setns missing_setns | |
2f368e4a ZJS |
185 | #endif |
186 | ||
187 | /* ======================================================================= */ | |
188 | ||
2f368e4a ZJS |
189 | static inline pid_t raw_getpid(void) { |
190 | #if defined(__alpha__) | |
191 | return (pid_t) syscall(__NR_getxpid); | |
192 | #else | |
193 | return (pid_t) syscall(__NR_getpid); | |
194 | #endif | |
195 | } | |
196 | ||
197 | /* ======================================================================= */ | |
198 | ||
4b9545f1 | 199 | #if !HAVE_RENAMEAT2 |
2f368e4a ZJS |
200 | # ifndef __NR_renameat2 |
201 | # if defined __x86_64__ | |
202 | # define __NR_renameat2 316 | |
203 | # elif defined __arm__ | |
204 | # define __NR_renameat2 382 | |
925c81cd LP |
205 | # elif defined __aarch64__ |
206 | # define __NR_renameat2 276 | |
2f368e4a ZJS |
207 | # elif defined _MIPS_SIM |
208 | # if _MIPS_SIM == _MIPS_SIM_ABI32 | |
209 | # define __NR_renameat2 4351 | |
210 | # endif | |
211 | # if _MIPS_SIM == _MIPS_SIM_NABI32 | |
212 | # define __NR_renameat2 6315 | |
213 | # endif | |
214 | # if _MIPS_SIM == _MIPS_SIM_ABI64 | |
215 | # define __NR_renameat2 5311 | |
216 | # endif | |
217 | # elif defined __i386__ | |
218 | # define __NR_renameat2 353 | |
92369d5e ZJS |
219 | # elif defined __powerpc64__ |
220 | # define __NR_renameat2 357 | |
221 | # elif defined __s390__ || defined __s390x__ | |
222 | # define __NR_renameat2 347 | |
27b09f1f AB |
223 | # elif defined __arc__ |
224 | # define __NR_renameat2 276 | |
2f368e4a ZJS |
225 | # else |
226 | # warning "__NR_renameat2 unknown for your architecture" | |
227 | # endif | |
228 | # endif | |
229 | ||
5187dd2c | 230 | static inline int missing_renameat2(int oldfd, const char *oldname, int newfd, const char *newname, unsigned flags) { |
2f368e4a ZJS |
231 | # ifdef __NR_renameat2 |
232 | return syscall(__NR_renameat2, oldfd, oldname, newfd, newname, flags); | |
233 | # else | |
234 | errno = ENOSYS; | |
235 | return -1; | |
236 | # endif | |
237 | } | |
5187dd2c ZJS |
238 | |
239 | # define renameat2 missing_renameat2 | |
2f368e4a ZJS |
240 | #endif |
241 | ||
242 | /* ======================================================================= */ | |
243 | ||
4b9545f1 | 244 | #if !HAVE_KCMP |
5187dd2c | 245 | static inline int missing_kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2) { |
2f368e4a ZJS |
246 | # ifdef __NR_kcmp |
247 | return syscall(__NR_kcmp, pid1, pid2, type, idx1, idx2); | |
248 | # else | |
249 | errno = ENOSYS; | |
250 | return -1; | |
251 | # endif | |
252 | } | |
5187dd2c ZJS |
253 | |
254 | # define kcmp missing_kcmp | |
2f368e4a ZJS |
255 | #endif |
256 | ||
257 | /* ======================================================================= */ | |
258 | ||
4b9545f1 | 259 | #if !HAVE_KEYCTL |
5187dd2c | 260 | static inline long missing_keyctl(int cmd, unsigned long arg2, unsigned long arg3, unsigned long arg4,unsigned long arg5) { |
2f368e4a ZJS |
261 | # ifdef __NR_keyctl |
262 | return syscall(__NR_keyctl, cmd, arg2, arg3, arg4, arg5); | |
263 | # else | |
264 | errno = ENOSYS; | |
265 | return -1; | |
266 | # endif | |
5187dd2c ZJS |
267 | |
268 | # define keyctl missing_keyctl | |
2f368e4a ZJS |
269 | } |
270 | ||
5187dd2c | 271 | static inline key_serial_t missing_add_key(const char *type, const char *description, const void *payload, size_t plen, key_serial_t ringid) { |
2f368e4a ZJS |
272 | # ifdef __NR_add_key |
273 | return syscall(__NR_add_key, type, description, payload, plen, ringid); | |
274 | # else | |
275 | errno = ENOSYS; | |
276 | return -1; | |
277 | # endif | |
5187dd2c ZJS |
278 | |
279 | # define add_key missing_add_key | |
2f368e4a ZJS |
280 | } |
281 | ||
5187dd2c | 282 | static inline key_serial_t missing_request_key(const char *type, const char *description, const char * callout_info, key_serial_t destringid) { |
2f368e4a ZJS |
283 | # ifdef __NR_request_key |
284 | return syscall(__NR_request_key, type, description, callout_info, destringid); | |
285 | # else | |
286 | errno = ENOSYS; | |
287 | return -1; | |
288 | # endif | |
5187dd2c ZJS |
289 | |
290 | # define request_key missing_request_key | |
2f368e4a ZJS |
291 | } |
292 | #endif | |
293 | ||
294 | /* ======================================================================= */ | |
295 | ||
4b9545f1 | 296 | #if !HAVE_COPY_FILE_RANGE |
2f368e4a ZJS |
297 | # ifndef __NR_copy_file_range |
298 | # if defined(__x86_64__) | |
299 | # define __NR_copy_file_range 326 | |
300 | # elif defined(__i386__) | |
301 | # define __NR_copy_file_range 377 | |
302 | # elif defined __s390__ | |
303 | # define __NR_copy_file_range 375 | |
304 | # elif defined __arm__ | |
305 | # define __NR_copy_file_range 391 | |
306 | # elif defined __aarch64__ | |
307 | # define __NR_copy_file_range 285 | |
4d07c8d3 AIB |
308 | # elif defined __powerpc__ |
309 | # define __NR_copy_file_range 379 | |
27b09f1f AB |
310 | # elif defined __arc__ |
311 | # define __NR_copy_file_range 285 | |
2f368e4a ZJS |
312 | # else |
313 | # warning "__NR_copy_file_range not defined for your architecture" | |
314 | # endif | |
315 | # endif | |
316 | ||
5187dd2c ZJS |
317 | static inline ssize_t missing_copy_file_range(int fd_in, loff_t *off_in, |
318 | int fd_out, loff_t *off_out, | |
319 | size_t len, | |
320 | unsigned int flags) { | |
2f368e4a ZJS |
321 | # ifdef __NR_copy_file_range |
322 | return syscall(__NR_copy_file_range, fd_in, off_in, fd_out, off_out, len, flags); | |
323 | # else | |
324 | errno = ENOSYS; | |
325 | return -1; | |
326 | # endif | |
327 | } | |
5187dd2c ZJS |
328 | |
329 | # define copy_file_range missing_copy_file_range | |
2f368e4a | 330 | #endif |
71e5200f | 331 | |
213f2883 ZJS |
332 | /* ======================================================================= */ |
333 | ||
4b9545f1 | 334 | #if !HAVE_BPF |
71e5200f DM |
335 | # ifndef __NR_bpf |
336 | # if defined __i386__ | |
337 | # define __NR_bpf 357 | |
338 | # elif defined __x86_64__ | |
339 | # define __NR_bpf 321 | |
340 | # elif defined __aarch64__ | |
341 | # define __NR_bpf 280 | |
d07ba5d7 HCNE |
342 | # elif defined __arm__ |
343 | # define __NR_bpf 386 | |
71e5200f DM |
344 | # elif defined __sparc__ |
345 | # define __NR_bpf 349 | |
346 | # elif defined __s390__ | |
347 | # define __NR_bpf 351 | |
66ffb275 HCNE |
348 | # elif defined __tilegx__ |
349 | # define __NR_bpf 280 | |
71e5200f DM |
350 | # else |
351 | # warning "__NR_bpf not defined for your architecture" | |
352 | # endif | |
353 | # endif | |
354 | ||
355 | union bpf_attr; | |
356 | ||
5187dd2c | 357 | static inline int missing_bpf(int cmd, union bpf_attr *attr, size_t size) { |
71e5200f DM |
358 | #ifdef __NR_bpf |
359 | return (int) syscall(__NR_bpf, cmd, attr, size); | |
360 | #else | |
361 | errno = ENOSYS; | |
362 | return -1; | |
363 | #endif | |
364 | } | |
365 | ||
5187dd2c | 366 | # define bpf missing_bpf |
71e5200f | 367 | #endif |
213f2883 ZJS |
368 | |
369 | /* ======================================================================= */ | |
370 | ||
371 | #ifndef __IGNORE_pkey_mprotect | |
372 | # ifndef __NR_pkey_mprotect | |
373 | # if defined __i386__ | |
374 | # define __NR_pkey_mprotect 380 | |
375 | # elif defined __x86_64__ | |
376 | # define __NR_pkey_mprotect 329 | |
377 | # elif defined __arm__ | |
378 | # define __NR_pkey_mprotect 394 | |
379 | # elif defined __aarch64__ | |
380 | # define __NR_pkey_mprotect 394 | |
033c8366 ZJS |
381 | # elif defined __powerpc__ |
382 | # define __NR_pkey_mprotect 386 | |
213f2883 ZJS |
383 | # elif defined _MIPS_SIM |
384 | # if _MIPS_SIM == _MIPS_SIM_ABI32 | |
385 | # define __NR_pkey_mprotect 4363 | |
386 | # endif | |
387 | # if _MIPS_SIM == _MIPS_SIM_NABI32 | |
388 | # define __NR_pkey_mprotect 6327 | |
389 | # endif | |
390 | # if _MIPS_SIM == _MIPS_SIM_ABI64 | |
391 | # define __NR_pkey_mprotect 5323 | |
392 | # endif | |
9c6888ac | 393 | # else |
213f2883 ZJS |
394 | # warning "__NR_pkey_mprotect not defined for your architecture" |
395 | # endif | |
396 | # endif | |
397 | #endif | |
4c2e1b39 | 398 | |
5187dd2c ZJS |
399 | /* ======================================================================= */ |
400 | ||
4c2e1b39 LP |
401 | #if !HAVE_STATX |
402 | # ifndef __NR_statx | |
773c8434 AD |
403 | # if defined __aarch64__ || defined __arm__ |
404 | # define __NR_statx 397 | |
405 | # elif defined __alpha__ | |
406 | # define __NR_statx 522 | |
407 | # elif defined __i386__ || defined __powerpc64__ | |
fd91e3ef | 408 | # define __NR_statx 383 |
773c8434 AD |
409 | # elif defined __sparc__ |
410 | # define __NR_statx 360 | |
4c2e1b39 | 411 | # elif defined __x86_64__ |
fd91e3ef | 412 | # define __NR_statx 332 |
4c2e1b39 LP |
413 | # else |
414 | # warning "__NR_statx not defined for your architecture" | |
415 | # endif | |
416 | # endif | |
417 | ||
418 | struct statx; | |
5187dd2c ZJS |
419 | #endif |
420 | ||
421 | /* This typedef is supposed to be always defined. */ | |
422 | typedef struct statx struct_statx; | |
4c2e1b39 | 423 | |
5187dd2c ZJS |
424 | #if !HAVE_STATX |
425 | static inline ssize_t missing_statx(int dfd, const char *filename, unsigned flags, unsigned int mask, struct statx *buffer) { | |
4c2e1b39 LP |
426 | # ifdef __NR_statx |
427 | return syscall(__NR_statx, dfd, filename, flags, mask, buffer); | |
428 | # else | |
429 | errno = ENOSYS; | |
430 | return -1; | |
431 | # endif | |
432 | } | |
5187dd2c ZJS |
433 | |
434 | # define statx missing_statx | |
4c2e1b39 | 435 | #endif |