[thirdparty/systemd.git] / src / basic / missing_syscall.h

/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once

/***
  Copyright © 2016 Zbigniew Jędrzejewski-Szmek
***/

/* Missing glibc definitions to access certain kernel APIs */

#include <sys/types.h>

#if !HAVE_PIVOT_ROOT
static inline int missing_pivot_root(const char *new_root, const char *put_old) {
        return syscall(__NR_pivot_root, new_root, put_old);
}

#  define pivot_root missing_pivot_root
#endif

/* ======================================================================= */

#if !HAVE_MEMFD_CREATE
#  ifndef __NR_memfd_create
#    if defined __x86_64__
#      define __NR_memfd_create 319
#    elif defined __arm__
#      define __NR_memfd_create 385
#    elif defined __aarch64__
#      define __NR_memfd_create 279
#    elif defined __s390__
#      define __NR_memfd_create 350
#    elif defined _MIPS_SIM
#      if _MIPS_SIM == _MIPS_SIM_ABI32
#        define __NR_memfd_create 4354
#      endif
#      if _MIPS_SIM == _MIPS_SIM_NABI32
#        define __NR_memfd_create 6318
#      endif
#      if _MIPS_SIM == _MIPS_SIM_ABI64
#        define __NR_memfd_create 5314
#      endif
#    elif defined __i386__
#      define __NR_memfd_create 356
#    elif defined __arc__
#      define __NR_memfd_create 279
#    else
#      warning "__NR_memfd_create unknown for your architecture"
#    endif
#  endif

static inline int missing_memfd_create(const char *name, unsigned int flags) {
#  ifdef __NR_memfd_create
        return syscall(__NR_memfd_create, name, flags);
#  else
        errno = ENOSYS;
        return -1;
#  endif
}

#  define memfd_create missing_memfd_create
#endif

/* ======================================================================= */

#if !HAVE_GETRANDOM
#  ifndef __NR_getrandom
#    if defined __x86_64__
#      define __NR_getrandom 318
#    elif defined(__i386__)
#      define __NR_getrandom 355
#    elif defined(__arm__)
#      define __NR_getrandom 384
#   elif defined(__aarch64__)
#      define __NR_getrandom 278
#    elif defined(__ia64__)
#      define __NR_getrandom 1339
#    elif defined(__m68k__)
#      define __NR_getrandom 352
#    elif defined(__s390x__)
#      define __NR_getrandom 349
#    elif defined(__powerpc__)
#      define __NR_getrandom 359
#    elif defined _MIPS_SIM
#      if _MIPS_SIM == _MIPS_SIM_ABI32
#        define __NR_getrandom 4353
#      endif
#      if _MIPS_SIM == _MIPS_SIM_NABI32
#        define __NR_getrandom 6317
#      endif
#      if _MIPS_SIM == _MIPS_SIM_ABI64
#        define __NR_getrandom 5313
#      endif
#    elif defined(__arc__)
#      define __NR_getrandom 278
#    else
#      warning "__NR_getrandom unknown for your architecture"
#    endif
#  endif

static inline int missing_getrandom(void *buffer, size_t count, unsigned flags) {
#  ifdef __NR_getrandom
        return syscall(__NR_getrandom, buffer, count, flags);
#  else
        errno = ENOSYS;
        return -1;
#  endif
}

#  define getrandom missing_getrandom
#endif

/* ======================================================================= */

#if !HAVE_GETTID
static inline pid_t missing_gettid(void) {
        return (pid_t) syscall(__NR_gettid);
}

#  define gettid missing_gettid
#endif

/* ======================================================================= */

#if !HAVE_NAME_TO_HANDLE_AT
#  ifndef __NR_name_to_handle_at
#    if defined(__x86_64__)
#      define __NR_name_to_handle_at 303
#    elif defined(__i386__)
#      define __NR_name_to_handle_at 341
#    elif defined(__arm__)
#      define __NR_name_to_handle_at 370
#    elif defined(__powerpc__)
#      define __NR_name_to_handle_at 345
#    elif defined(__arc__)
#      define __NR_name_to_handle_at 264
#    else
#      error "__NR_name_to_handle_at is not defined"
#    endif
#  endif

struct file_handle {
        unsigned int handle_bytes;
        int handle_type;
        unsigned char f_handle[0];
};

static inline int missing_name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) {
#  ifdef __NR_name_to_handle_at
        return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags);
#  else
        errno = ENOSYS;
        return -1;
#  endif
}

#  define name_to_handle_at missing_name_to_handle_at
#endif

/* ======================================================================= */

#if !HAVE_SETNS
#  ifndef __NR_setns
#    if defined(__x86_64__)
#      define __NR_setns 308
#    elif defined(__i386__)
#      define __NR_setns 346
#    elif defined(__arc__)
#      define __NR_setns 268
#    else
#      error "__NR_setns is not defined"
#    endif
#  endif

static inline int missing_setns(int fd, int nstype) {
#  ifdef __NR_setns
        return syscall(__NR_setns, fd, nstype);
#  else
        errno = ENOSYS;
        return -1;
#  endif
}

#  define setns missing_setns
#endif

/* ======================================================================= */

static inline pid_t raw_getpid(void) {
#if defined(__alpha__)
        return (pid_t) syscall(__NR_getxpid);
#else
        return (pid_t) syscall(__NR_getpid);
#endif
}

/* ======================================================================= */

#if !HAVE_RENAMEAT2
#  ifndef __NR_renameat2
#    if defined __x86_64__
#      define __NR_renameat2 316
#    elif defined __arm__
#      define __NR_renameat2 382
#    elif defined __aarch64__
#      define __NR_renameat2 276
#    elif defined _MIPS_SIM
#      if _MIPS_SIM == _MIPS_SIM_ABI32
#        define __NR_renameat2 4351
#      endif
#      if _MIPS_SIM == _MIPS_SIM_NABI32
#        define __NR_renameat2 6315
#      endif
#      if _MIPS_SIM == _MIPS_SIM_ABI64
#        define __NR_renameat2 5311
#      endif
#    elif defined __i386__
#      define __NR_renameat2 353
#    elif defined __powerpc64__
#      define __NR_renameat2 357
#    elif defined __s390__ || defined __s390x__
#      define __NR_renameat2 347
#    elif defined __arc__
#      define __NR_renameat2 276
#    else
#      warning "__NR_renameat2 unknown for your architecture"
#    endif
#  endif

static inline int missing_renameat2(int oldfd, const char *oldname, int newfd, const char *newname, unsigned flags) {
#  ifdef __NR_renameat2
        return syscall(__NR_renameat2, oldfd, oldname, newfd, newname, flags);
#  else
        errno = ENOSYS;
        return -1;
#  endif
}

#  define renameat2 missing_renameat2
#endif

/* ======================================================================= */

#if !HAVE_KCMP
static inline int missing_kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2) {
#  ifdef __NR_kcmp
        return syscall(__NR_kcmp, pid1, pid2, type, idx1, idx2);
#  else
        errno = ENOSYS;
        return -1;
#  endif
}

#  define kcmp missing_kcmp
#endif

/* ======================================================================= */

#if !HAVE_KEYCTL
static inline long missing_keyctl(int cmd, unsigned long arg2, unsigned long arg3, unsigned long arg4,unsigned long arg5) {
#  ifdef __NR_keyctl
        return syscall(__NR_keyctl, cmd, arg2, arg3, arg4, arg5);
#  else
        errno = ENOSYS;
        return -1;
#  endif

#  define keyctl missing_keyctl
}

static inline key_serial_t missing_add_key(const char *type, const char *description, const void *payload, size_t plen, key_serial_t ringid) {
#  ifdef __NR_add_key
        return syscall(__NR_add_key, type, description, payload, plen, ringid);
#  else
        errno = ENOSYS;
        return -1;
#  endif

#  define add_key missing_add_key
}

static inline key_serial_t missing_request_key(const char *type, const char *description, const char * callout_info, key_serial_t destringid) {
#  ifdef __NR_request_key
        return syscall(__NR_request_key, type, description, callout_info, destringid);
#  else
        errno = ENOSYS;
        return -1;
#  endif

#  define request_key missing_request_key
}
#endif

/* ======================================================================= */

#if !HAVE_COPY_FILE_RANGE
#  ifndef __NR_copy_file_range
#    if defined(__x86_64__)
#      define __NR_copy_file_range 326
#    elif defined(__i386__)
#      define __NR_copy_file_range 377
#    elif defined __s390__
#      define __NR_copy_file_range 375
#    elif defined __arm__
#      define __NR_copy_file_range 391
#    elif defined __aarch64__
#      define __NR_copy_file_range 285
#    elif defined __powerpc__
#      define __NR_copy_file_range 379
#    elif defined __arc__
#      define __NR_copy_file_range 285
#    else
#      warning "__NR_copy_file_range not defined for your architecture"
#    endif
#  endif

static inline ssize_t missing_copy_file_range(int fd_in, loff_t *off_in,
                                              int fd_out, loff_t *off_out,
                                              size_t len,
                                              unsigned int flags) {
#  ifdef __NR_copy_file_range
        return syscall(__NR_copy_file_range, fd_in, off_in, fd_out, off_out, len, flags);
#  else
        errno = ENOSYS;
        return -1;
#  endif
}

#  define copy_file_range missing_copy_file_range
#endif

/* ======================================================================= */

#if !HAVE_BPF
#  ifndef __NR_bpf
#    if defined __i386__
#      define __NR_bpf 357
#    elif defined __x86_64__
#      define __NR_bpf 321
#    elif defined __aarch64__
#      define __NR_bpf 280
#    elif defined __arm__
#      define __NR_bpf 386
#    elif defined __sparc__
#      define __NR_bpf 349
#    elif defined __s390__
#      define __NR_bpf 351
#    elif defined __tilegx__
#      define __NR_bpf 280
#    else
#      warning "__NR_bpf not defined for your architecture"
#    endif
#  endif

union bpf_attr;

static inline int missing_bpf(int cmd, union bpf_attr *attr, size_t size) {
#ifdef __NR_bpf
        return (int) syscall(__NR_bpf, cmd, attr, size);
#else
        errno = ENOSYS;
        return -1;
#endif
}

#  define bpf missing_bpf
#endif

/* ======================================================================= */

#ifndef __IGNORE_pkey_mprotect
#  ifndef __NR_pkey_mprotect
#    if defined __i386__
#      define __NR_pkey_mprotect 380
#    elif defined __x86_64__
#      define __NR_pkey_mprotect 329
#    elif defined __arm__
#      define __NR_pkey_mprotect 394
#    elif defined __aarch64__
#      define __NR_pkey_mprotect 394
#    elif defined __powerpc__
#      define __NR_pkey_mprotect 386
#    elif defined _MIPS_SIM
#      if _MIPS_SIM == _MIPS_SIM_ABI32
#        define __NR_pkey_mprotect 4363
#      endif
#      if _MIPS_SIM == _MIPS_SIM_NABI32
#        define __NR_pkey_mprotect 6327
#      endif
#      if _MIPS_SIM == _MIPS_SIM_ABI64
#        define __NR_pkey_mprotect 5323
#      endif
#    else
#      warning "__NR_pkey_mprotect not defined for your architecture"
#    endif
#  endif
#endif

/* ======================================================================= */

#if !HAVE_STATX
#  ifndef __NR_statx
#    if defined __aarch64__ || defined __arm__
#      define __NR_statx 397
#    elif defined __alpha__
#      define __NR_statx 522
#    elif defined __i386__ || defined __powerpc64__
#      define __NR_statx 383
#    elif defined __sparc__
#      define __NR_statx 360
#    elif defined __x86_64__
#      define __NR_statx 332
#    else
#      warning "__NR_statx not defined for your architecture"
#    endif
#  endif

struct statx;
#endif

/* This typedef is supposed to be always defined. */
typedef struct statx struct_statx;

#if !HAVE_STATX
static inline ssize_t missing_statx(int dfd, const char *filename, unsigned flags, unsigned int mask, struct statx *buffer) {
#  ifdef __NR_statx
        return syscall(__NR_statx, dfd, filename, flags, mask, buffer);
#  else
        errno = ENOSYS;
        return -1;
#  endif
}

#  define statx missing_statx
#endif
Commit	Line	Data
53e1b683	1	/* SPDX-License-Identifier: LGPL-2.1+ */
2f368e4a ZJS	2	#pragma once
	3
	4	/***
96b2fb93	5	Copyright © 2016 Zbigniew Jędrzejewski-Szmek
2f368e4a ZJS	6	***/
	7
	8	/* Missing glibc definitions to access certain kernel APIs */
	9
71e5200f DM	10	#include <sys/types.h>
71e5200f DM	11
4b9545f1	12	#if !HAVE_PIVOT_ROOT
5187dd2c	13	static inline int missing_pivot_root(const char new_root, const char put_old) {
d06f3829	14	return syscall(__NR_pivot_root, new_root, put_old);
2f368e4a	15	}
5187dd2c ZJS	16
5187dd2c ZJS	17	# define pivot_root missing_pivot_root
2f368e4a ZJS	18	#endif
	19
	20	/* ======================================================================= */
	21
4b9545f1	22	#if !HAVE_MEMFD_CREATE
2f368e4a ZJS	23	# ifndef __NR_memfd_create
	24	# if defined __x86_64__
	25	# define __NR_memfd_create 319
	26	# elif defined __arm__
	27	# define __NR_memfd_create 385
	28	# elif defined __aarch64__
	29	# define __NR_memfd_create 279
	30	# elif defined __s390__
	31	# define __NR_memfd_create 350
	32	# elif defined _MIPS_SIM
	33	# if _MIPS_SIM == _MIPS_SIM_ABI32
	34	# define __NR_memfd_create 4354
	35	# endif
	36	# if _MIPS_SIM == _MIPS_SIM_NABI32
	37	# define __NR_memfd_create 6318
	38	# endif
	39	# if _MIPS_SIM == _MIPS_SIM_ABI64
	40	# define __NR_memfd_create 5314
	41	# endif
	42	# elif defined __i386__
	43	# define __NR_memfd_create 356
27b09f1f AB	44	# elif defined __arc__
27b09f1f AB	45	# define __NR_memfd_create 279
2f368e4a ZJS	46	# else
	47	# warning "__NR_memfd_create unknown for your architecture"
	48	# endif
	49	# endif
	50
5187dd2c	51	static inline int missing_memfd_create(const char *name, unsigned int flags) {
2f368e4a ZJS	52	# ifdef __NR_memfd_create
	53	return syscall(__NR_memfd_create, name, flags);
	54	# else
	55	errno = ENOSYS;
	56	return -1;
	57	# endif
	58	}
5187dd2c ZJS	59
5187dd2c ZJS	60	# define memfd_create missing_memfd_create
2f368e4a ZJS	61	#endif
	62
	63	/* ======================================================================= */
	64
4b9545f1	65	#if !HAVE_GETRANDOM
2f368e4a ZJS	66	# ifndef __NR_getrandom
	67	# if defined __x86_64__
	68	# define __NR_getrandom 318
	69	# elif defined(__i386__)
	70	# define __NR_getrandom 355
	71	# elif defined(__arm__)
	72	# define __NR_getrandom 384
	73	# elif defined(__aarch64__)
	74	# define __NR_getrandom 278
	75	# elif defined(__ia64__)
	76	# define __NR_getrandom 1339
	77	# elif defined(__m68k__)
	78	# define __NR_getrandom 352
	79	# elif defined(__s390x__)
	80	# define __NR_getrandom 349
	81	# elif defined(__powerpc__)
	82	# define __NR_getrandom 359
	83	# elif defined _MIPS_SIM
	84	# if _MIPS_SIM == _MIPS_SIM_ABI32
	85	# define __NR_getrandom 4353
	86	# endif
	87	# if _MIPS_SIM == _MIPS_SIM_NABI32
	88	# define __NR_getrandom 6317
	89	# endif
	90	# if _MIPS_SIM == _MIPS_SIM_ABI64
	91	# define __NR_getrandom 5313
	92	# endif
27b09f1f AB	93	# elif defined(__arc__)
27b09f1f AB	94	# define __NR_getrandom 278
2f368e4a ZJS	95	# else
	96	# warning "__NR_getrandom unknown for your architecture"
	97	# endif
	98	# endif
	99
5187dd2c	100	static inline int missing_getrandom(void *buffer, size_t count, unsigned flags) {
2f368e4a ZJS	101	# ifdef __NR_getrandom
	102	return syscall(__NR_getrandom, buffer, count, flags);
	103	# else
	104	errno = ENOSYS;
	105	return -1;
	106	# endif
	107	}
5187dd2c ZJS	108
5187dd2c ZJS	109	# define getrandom missing_getrandom
2f368e4a ZJS	110	#endif
	111
	112	/* ======================================================================= */
	113
4b9545f1	114	#if !HAVE_GETTID
5187dd2c	115	static inline pid_t missing_gettid(void) {
d06f3829	116	return (pid_t) syscall(__NR_gettid);
2f368e4a	117	}
5187dd2c ZJS	118
5187dd2c ZJS	119	# define gettid missing_gettid
2f368e4a ZJS	120	#endif
	121
	122	/* ======================================================================= */
	123
4b9545f1	124	#if !HAVE_NAME_TO_HANDLE_AT
2f368e4a ZJS	125	# ifndef __NR_name_to_handle_at
	126	# if defined(__x86_64__)
	127	# define __NR_name_to_handle_at 303
	128	# elif defined(__i386__)
	129	# define __NR_name_to_handle_at 341
	130	# elif defined(__arm__)
	131	# define __NR_name_to_handle_at 370
	132	# elif defined(__powerpc__)
	133	# define __NR_name_to_handle_at 345
27b09f1f AB	134	# elif defined(__arc__)
27b09f1f AB	135	# define __NR_name_to_handle_at 264
2f368e4a ZJS	136	# else
	137	# error "__NR_name_to_handle_at is not defined"
	138	# endif
	139	# endif
	140
	141	struct file_handle {
	142	unsigned int handle_bytes;
	143	int handle_type;
	144	unsigned char f_handle[0];
	145	};
	146
5187dd2c	147	static inline int missing_name_to_handle_at(int fd, const char name, struct file_handle handle, int *mnt_id, int flags) {
2f368e4a ZJS	148	# ifdef __NR_name_to_handle_at
	149	return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags);
	150	# else
	151	errno = ENOSYS;
	152	return -1;
	153	# endif
	154	}
5187dd2c ZJS	155
5187dd2c ZJS	156	# define name_to_handle_at missing_name_to_handle_at
2f368e4a ZJS	157	#endif
	158
	159	/* ======================================================================= */
	160
4b9545f1	161	#if !HAVE_SETNS
2f368e4a ZJS	162	# ifndef __NR_setns
	163	# if defined(__x86_64__)
	164	# define __NR_setns 308
	165	# elif defined(__i386__)
	166	# define __NR_setns 346
27b09f1f AB	167	# elif defined(__arc__)
27b09f1f AB	168	# define __NR_setns 268
2f368e4a ZJS	169	# else
	170	# error "__NR_setns is not defined"
	171	# endif
	172	# endif
	173
5187dd2c	174	static inline int missing_setns(int fd, int nstype) {
2f368e4a ZJS	175	# ifdef __NR_setns
	176	return syscall(__NR_setns, fd, nstype);
	177	# else
	178	errno = ENOSYS;
	179	return -1;
	180	# endif
	181	}
5187dd2c ZJS	182
5187dd2c ZJS	183	# define setns missing_setns
2f368e4a ZJS	184	#endif
	185
	186	/* ======================================================================= */
	187
2f368e4a ZJS	188	static inline pid_t raw_getpid(void) {
	189	#if defined(__alpha__)
	190	return (pid_t) syscall(__NR_getxpid);
	191	#else
	192	return (pid_t) syscall(__NR_getpid);
	193	#endif
	194	}
	195
	196	/* ======================================================================= */
	197
4b9545f1	198	#if !HAVE_RENAMEAT2
2f368e4a ZJS	199	# ifndef __NR_renameat2
	200	# if defined __x86_64__
	201	# define __NR_renameat2 316
	202	# elif defined __arm__
	203	# define __NR_renameat2 382
925c81cd LP	204	# elif defined __aarch64__
925c81cd LP	205	# define __NR_renameat2 276
2f368e4a ZJS	206	# elif defined _MIPS_SIM
	207	# if _MIPS_SIM == _MIPS_SIM_ABI32
	208	# define __NR_renameat2 4351
	209	# endif
	210	# if _MIPS_SIM == _MIPS_SIM_NABI32
	211	# define __NR_renameat2 6315
	212	# endif
	213	# if _MIPS_SIM == _MIPS_SIM_ABI64
	214	# define __NR_renameat2 5311
	215	# endif
	216	# elif defined __i386__
	217	# define __NR_renameat2 353
92369d5e ZJS	218	# elif defined __powerpc64__
	219	# define __NR_renameat2 357
	220	# elif defined __s390__ \|\| defined __s390x__
	221	# define __NR_renameat2 347
27b09f1f AB	222	# elif defined __arc__
27b09f1f AB	223	# define __NR_renameat2 276
2f368e4a ZJS	224	# else
	225	# warning "__NR_renameat2 unknown for your architecture"
	226	# endif
	227	# endif
	228
5187dd2c	229	static inline int missing_renameat2(int oldfd, const char oldname, int newfd, const char newname, unsigned flags) {
2f368e4a ZJS	230	# ifdef __NR_renameat2
	231	return syscall(__NR_renameat2, oldfd, oldname, newfd, newname, flags);
	232	# else
	233	errno = ENOSYS;
	234	return -1;
	235	# endif
	236	}
5187dd2c ZJS	237
5187dd2c ZJS	238	# define renameat2 missing_renameat2
2f368e4a ZJS	239	#endif
	240
	241	/* ======================================================================= */
	242
4b9545f1	243	#if !HAVE_KCMP
5187dd2c	244	static inline int missing_kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2) {
2f368e4a ZJS	245	# ifdef __NR_kcmp
	246	return syscall(__NR_kcmp, pid1, pid2, type, idx1, idx2);
	247	# else
	248	errno = ENOSYS;
	249	return -1;
	250	# endif
	251	}
5187dd2c ZJS	252
5187dd2c ZJS	253	# define kcmp missing_kcmp
2f368e4a ZJS	254	#endif
	255
	256	/* ======================================================================= */
	257
4b9545f1	258	#if !HAVE_KEYCTL
5187dd2c	259	static inline long missing_keyctl(int cmd, unsigned long arg2, unsigned long arg3, unsigned long arg4,unsigned long arg5) {
2f368e4a ZJS	260	# ifdef __NR_keyctl
	261	return syscall(__NR_keyctl, cmd, arg2, arg3, arg4, arg5);
	262	# else
	263	errno = ENOSYS;
	264	return -1;
	265	# endif
5187dd2c ZJS	266
5187dd2c ZJS	267	# define keyctl missing_keyctl
2f368e4a ZJS	268	}
2f368e4a ZJS	269
5187dd2c	270	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	271	# ifdef __NR_add_key
	272	return syscall(__NR_add_key, type, description, payload, plen, ringid);
	273	# else
	274	errno = ENOSYS;
	275	return -1;
	276	# endif
5187dd2c ZJS	277
5187dd2c ZJS	278	# define add_key missing_add_key
2f368e4a ZJS	279	}
2f368e4a ZJS	280
5187dd2c	281	static inline key_serial_t missing_request_key(const char type, const char description, const char * callout_info, key_serial_t destringid) {
2f368e4a ZJS	282	# ifdef __NR_request_key
	283	return syscall(__NR_request_key, type, description, callout_info, destringid);
	284	# else
	285	errno = ENOSYS;
	286	return -1;
	287	# endif
5187dd2c ZJS	288
5187dd2c ZJS	289	# define request_key missing_request_key
2f368e4a ZJS	290	}
	291	#endif
	292
	293	/* ======================================================================= */
	294
4b9545f1	295	#if !HAVE_COPY_FILE_RANGE
2f368e4a ZJS	296	# ifndef __NR_copy_file_range
	297	# if defined(__x86_64__)
	298	# define __NR_copy_file_range 326
	299	# elif defined(__i386__)
	300	# define __NR_copy_file_range 377
	301	# elif defined __s390__
	302	# define __NR_copy_file_range 375
	303	# elif defined __arm__
	304	# define __NR_copy_file_range 391
	305	# elif defined __aarch64__
	306	# define __NR_copy_file_range 285
4d07c8d3 AIB	307	# elif defined __powerpc__
4d07c8d3 AIB	308	# define __NR_copy_file_range 379
27b09f1f AB	309	# elif defined __arc__
27b09f1f AB	310	# define __NR_copy_file_range 285
2f368e4a ZJS	311	# else
	312	# warning "__NR_copy_file_range not defined for your architecture"
	313	# endif
	314	# endif
	315
5187dd2c ZJS	316	static inline ssize_t missing_copy_file_range(int fd_in, loff_t *off_in,
	317	int fd_out, loff_t *off_out,
	318	size_t len,
	319	unsigned int flags) {
2f368e4a ZJS	320	# ifdef __NR_copy_file_range
	321	return syscall(__NR_copy_file_range, fd_in, off_in, fd_out, off_out, len, flags);
	322	# else
	323	errno = ENOSYS;
	324	return -1;
	325	# endif
	326	}
5187dd2c ZJS	327
5187dd2c ZJS	328	# define copy_file_range missing_copy_file_range
2f368e4a	329	#endif
71e5200f	330
213f2883 ZJS	331	/* ======================================================================= */
213f2883 ZJS	332
4b9545f1	333	#if !HAVE_BPF
71e5200f DM	334	# ifndef __NR_bpf
	335	# if defined __i386__
	336	# define __NR_bpf 357
	337	# elif defined __x86_64__
	338	# define __NR_bpf 321
	339	# elif defined __aarch64__
	340	# define __NR_bpf 280
d07ba5d7 HCNE	341	# elif defined __arm__
d07ba5d7 HCNE	342	# define __NR_bpf 386
71e5200f DM	343	# elif defined __sparc__
	344	# define __NR_bpf 349
	345	# elif defined __s390__
	346	# define __NR_bpf 351
66ffb275 HCNE	347	# elif defined __tilegx__
66ffb275 HCNE	348	# define __NR_bpf 280
71e5200f DM	349	# else
	350	# warning "__NR_bpf not defined for your architecture"
	351	# endif
	352	# endif
	353
	354	union bpf_attr;
	355
5187dd2c	356	static inline int missing_bpf(int cmd, union bpf_attr *attr, size_t size) {
71e5200f DM	357	#ifdef __NR_bpf
	358	return (int) syscall(__NR_bpf, cmd, attr, size);
	359	#else
	360	errno = ENOSYS;
	361	return -1;
	362	#endif
	363	}
	364
5187dd2c	365	# define bpf missing_bpf
71e5200f	366	#endif
213f2883 ZJS	367
	368	/* ======================================================================= */
	369
	370	#ifndef __IGNORE_pkey_mprotect
	371	# ifndef __NR_pkey_mprotect
	372	# if defined __i386__
	373	# define __NR_pkey_mprotect 380
	374	# elif defined __x86_64__
	375	# define __NR_pkey_mprotect 329
	376	# elif defined __arm__
	377	# define __NR_pkey_mprotect 394
	378	# elif defined __aarch64__
	379	# define __NR_pkey_mprotect 394
033c8366 ZJS	380	# elif defined __powerpc__
033c8366 ZJS	381	# define __NR_pkey_mprotect 386
213f2883 ZJS	382	# elif defined _MIPS_SIM
	383	# if _MIPS_SIM == _MIPS_SIM_ABI32
	384	# define __NR_pkey_mprotect 4363
	385	# endif
	386	# if _MIPS_SIM == _MIPS_SIM_NABI32
	387	# define __NR_pkey_mprotect 6327
	388	# endif
	389	# if _MIPS_SIM == _MIPS_SIM_ABI64
	390	# define __NR_pkey_mprotect 5323
	391	# endif
9c6888ac	392	# else
213f2883 ZJS	393	# warning "__NR_pkey_mprotect not defined for your architecture"
	394	# endif
	395	# endif
	396	#endif
4c2e1b39	397
5187dd2c ZJS	398	/* ======================================================================= */
5187dd2c ZJS	399
4c2e1b39 LP	400	#if !HAVE_STATX
4c2e1b39 LP	401	# ifndef __NR_statx
773c8434 AD	402	# if defined __aarch64__ \|\| defined __arm__
	403	# define __NR_statx 397
	404	# elif defined __alpha__
	405	# define __NR_statx 522
	406	# elif defined __i386__ \|\| defined __powerpc64__
fd91e3ef	407	# define __NR_statx 383
773c8434 AD	408	# elif defined __sparc__
773c8434 AD	409	# define __NR_statx 360
4c2e1b39	410	# elif defined __x86_64__
fd91e3ef	411	# define __NR_statx 332
4c2e1b39 LP	412	# else
	413	# warning "__NR_statx not defined for your architecture"
	414	# endif
	415	# endif
	416
	417	struct statx;
5187dd2c ZJS	418	#endif
	419
	420	/* This typedef is supposed to be always defined. */
	421	typedef struct statx struct_statx;
4c2e1b39	422
5187dd2c ZJS	423	#if !HAVE_STATX
5187dd2c ZJS	424	static inline ssize_t missing_statx(int dfd, const char filename, unsigned flags, unsigned int mask, struct statx buffer) {
4c2e1b39 LP	425	# ifdef __NR_statx
	426	return syscall(__NR_statx, dfd, filename, flags, mask, buffer);
	427	# else
	428	errno = ENOSYS;
	429	return -1;
	430	# endif
	431	}
5187dd2c ZJS	432
5187dd2c ZJS	433	# define statx missing_statx
4c2e1b39	434	#endif