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