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

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

/***
  This file is part of systemd.

  Copyright 2010 Lennart Poettering
  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 __i386__
#      define __NR_statx 383
#    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	/***
	5	This file is part of systemd.
	6
	7	Copyright 2010 Lennart Poettering
	8	Copyright 2016 Zbigniew Jędrzejewski-Szmek
2f368e4a ZJS	9	***/
	10
	11	/* Missing glibc definitions to access certain kernel APIs */
	12
71e5200f DM	13	#include <sys/types.h>
71e5200f DM	14
4b9545f1	15	#if !HAVE_PIVOT_ROOT
5187dd2c	16	static inline int missing_pivot_root(const char new_root, const char put_old) {
d06f3829	17	return syscall(__NR_pivot_root, new_root, put_old);
2f368e4a	18	}
5187dd2c ZJS	19
5187dd2c ZJS	20	# define pivot_root missing_pivot_root
2f368e4a ZJS	21	#endif
	22
	23	/* ======================================================================= */
	24
4b9545f1	25	#if !HAVE_MEMFD_CREATE
2f368e4a ZJS	26	# ifndef __NR_memfd_create
	27	# if defined __x86_64__
	28	# define __NR_memfd_create 319
	29	# elif defined __arm__
	30	# define __NR_memfd_create 385
	31	# elif defined __aarch64__
	32	# define __NR_memfd_create 279
	33	# elif defined __s390__
	34	# define __NR_memfd_create 350
	35	# elif defined _MIPS_SIM
	36	# if _MIPS_SIM == _MIPS_SIM_ABI32
	37	# define __NR_memfd_create 4354
	38	# endif
	39	# if _MIPS_SIM == _MIPS_SIM_NABI32
	40	# define __NR_memfd_create 6318
	41	# endif
	42	# if _MIPS_SIM == _MIPS_SIM_ABI64
	43	# define __NR_memfd_create 5314
	44	# endif
	45	# elif defined __i386__
	46	# define __NR_memfd_create 356
27b09f1f AB	47	# elif defined __arc__
27b09f1f AB	48	# define __NR_memfd_create 279
2f368e4a ZJS	49	# else
	50	# warning "__NR_memfd_create unknown for your architecture"
	51	# endif
	52	# endif
	53
5187dd2c	54	static inline int missing_memfd_create(const char *name, unsigned int flags) {
2f368e4a ZJS	55	# ifdef __NR_memfd_create
	56	return syscall(__NR_memfd_create, name, flags);
	57	# else
	58	errno = ENOSYS;
	59	return -1;
	60	# endif
	61	}
5187dd2c ZJS	62
5187dd2c ZJS	63	# define memfd_create missing_memfd_create
2f368e4a ZJS	64	#endif
	65
	66	/* ======================================================================= */
	67
4b9545f1	68	#if !HAVE_GETRANDOM
2f368e4a ZJS	69	# ifndef __NR_getrandom
	70	# if defined __x86_64__
	71	# define __NR_getrandom 318
	72	# elif defined(__i386__)
	73	# define __NR_getrandom 355
	74	# elif defined(__arm__)
	75	# define __NR_getrandom 384
	76	# elif defined(__aarch64__)
	77	# define __NR_getrandom 278
	78	# elif defined(__ia64__)
	79	# define __NR_getrandom 1339
	80	# elif defined(__m68k__)
	81	# define __NR_getrandom 352
	82	# elif defined(__s390x__)
	83	# define __NR_getrandom 349
	84	# elif defined(__powerpc__)
	85	# define __NR_getrandom 359
	86	# elif defined _MIPS_SIM
	87	# if _MIPS_SIM == _MIPS_SIM_ABI32
	88	# define __NR_getrandom 4353
	89	# endif
	90	# if _MIPS_SIM == _MIPS_SIM_NABI32
	91	# define __NR_getrandom 6317
	92	# endif
	93	# if _MIPS_SIM == _MIPS_SIM_ABI64
	94	# define __NR_getrandom 5313
	95	# endif
27b09f1f AB	96	# elif defined(__arc__)
27b09f1f AB	97	# define __NR_getrandom 278
2f368e4a ZJS	98	# else
	99	# warning "__NR_getrandom unknown for your architecture"
	100	# endif
	101	# endif
	102
5187dd2c	103	static inline int missing_getrandom(void *buffer, size_t count, unsigned flags) {
2f368e4a ZJS	104	# ifdef __NR_getrandom
	105	return syscall(__NR_getrandom, buffer, count, flags);
	106	# else
	107	errno = ENOSYS;
	108	return -1;
	109	# endif
	110	}
5187dd2c ZJS	111
5187dd2c ZJS	112	# define getrandom missing_getrandom
2f368e4a ZJS	113	#endif
	114
	115	/* ======================================================================= */
	116
4b9545f1	117	#if !HAVE_GETTID
5187dd2c	118	static inline pid_t missing_gettid(void) {
d06f3829	119	return (pid_t) syscall(__NR_gettid);
2f368e4a	120	}
5187dd2c ZJS	121
5187dd2c ZJS	122	# define gettid missing_gettid
2f368e4a ZJS	123	#endif
	124
	125	/* ======================================================================= */
	126
4b9545f1	127	#if !HAVE_NAME_TO_HANDLE_AT
2f368e4a ZJS	128	# ifndef __NR_name_to_handle_at
	129	# if defined(__x86_64__)
	130	# define __NR_name_to_handle_at 303
	131	# elif defined(__i386__)
	132	# define __NR_name_to_handle_at 341
	133	# elif defined(__arm__)
	134	# define __NR_name_to_handle_at 370
	135	# elif defined(__powerpc__)
	136	# define __NR_name_to_handle_at 345
27b09f1f AB	137	# elif defined(__arc__)
27b09f1f AB	138	# define __NR_name_to_handle_at 264
2f368e4a ZJS	139	# else
	140	# error "__NR_name_to_handle_at is not defined"
	141	# endif
	142	# endif
	143
	144	struct file_handle {
	145	unsigned int handle_bytes;
	146	int handle_type;
	147	unsigned char f_handle[0];
	148	};
	149
5187dd2c	150	static inline int missing_name_to_handle_at(int fd, const char name, struct file_handle handle, int *mnt_id, int flags) {
2f368e4a ZJS	151	# ifdef __NR_name_to_handle_at
	152	return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags);
	153	# else
	154	errno = ENOSYS;
	155	return -1;
	156	# endif
	157	}
5187dd2c ZJS	158
5187dd2c ZJS	159	# define name_to_handle_at missing_name_to_handle_at
2f368e4a ZJS	160	#endif
	161
	162	/* ======================================================================= */
	163
4b9545f1	164	#if !HAVE_SETNS
2f368e4a ZJS	165	# ifndef __NR_setns
	166	# if defined(__x86_64__)
	167	# define __NR_setns 308
	168	# elif defined(__i386__)
	169	# define __NR_setns 346
27b09f1f AB	170	# elif defined(__arc__)
27b09f1f AB	171	# define __NR_setns 268
2f368e4a ZJS	172	# else
	173	# error "__NR_setns is not defined"
	174	# endif
	175	# endif
	176
5187dd2c	177	static inline int missing_setns(int fd, int nstype) {
2f368e4a ZJS	178	# ifdef __NR_setns
	179	return syscall(__NR_setns, fd, nstype);
	180	# else
	181	errno = ENOSYS;
	182	return -1;
	183	# endif
	184	}
5187dd2c ZJS	185
5187dd2c ZJS	186	# define setns missing_setns
2f368e4a ZJS	187	#endif
	188
	189	/* ======================================================================= */
	190
2f368e4a ZJS	191	static inline pid_t raw_getpid(void) {
	192	#if defined(__alpha__)
	193	return (pid_t) syscall(__NR_getxpid);
	194	#else
	195	return (pid_t) syscall(__NR_getpid);
	196	#endif
	197	}
	198
	199	/* ======================================================================= */
	200
4b9545f1	201	#if !HAVE_RENAMEAT2
2f368e4a ZJS	202	# ifndef __NR_renameat2
	203	# if defined __x86_64__
	204	# define __NR_renameat2 316
	205	# elif defined __arm__
	206	# define __NR_renameat2 382
925c81cd LP	207	# elif defined __aarch64__
925c81cd LP	208	# define __NR_renameat2 276
2f368e4a ZJS	209	# elif defined _MIPS_SIM
	210	# if _MIPS_SIM == _MIPS_SIM_ABI32
	211	# define __NR_renameat2 4351
	212	# endif
	213	# if _MIPS_SIM == _MIPS_SIM_NABI32
	214	# define __NR_renameat2 6315
	215	# endif
	216	# if _MIPS_SIM == _MIPS_SIM_ABI64
	217	# define __NR_renameat2 5311
	218	# endif
	219	# elif defined __i386__
	220	# define __NR_renameat2 353
92369d5e ZJS	221	# elif defined __powerpc64__
	222	# define __NR_renameat2 357
	223	# elif defined __s390__ \|\| defined __s390x__
	224	# define __NR_renameat2 347
27b09f1f AB	225	# elif defined __arc__
27b09f1f AB	226	# define __NR_renameat2 276
2f368e4a ZJS	227	# else
	228	# warning "__NR_renameat2 unknown for your architecture"
	229	# endif
	230	# endif
	231
5187dd2c	232	static inline int missing_renameat2(int oldfd, const char oldname, int newfd, const char newname, unsigned flags) {
2f368e4a ZJS	233	# ifdef __NR_renameat2
	234	return syscall(__NR_renameat2, oldfd, oldname, newfd, newname, flags);
	235	# else
	236	errno = ENOSYS;
	237	return -1;
	238	# endif
	239	}
5187dd2c ZJS	240
5187dd2c ZJS	241	# define renameat2 missing_renameat2
2f368e4a ZJS	242	#endif
	243
	244	/* ======================================================================= */
	245
4b9545f1	246	#if !HAVE_KCMP
5187dd2c	247	static inline int missing_kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2) {
2f368e4a ZJS	248	# ifdef __NR_kcmp
	249	return syscall(__NR_kcmp, pid1, pid2, type, idx1, idx2);
	250	# else
	251	errno = ENOSYS;
	252	return -1;
	253	# endif
	254	}
5187dd2c ZJS	255
5187dd2c ZJS	256	# define kcmp missing_kcmp
2f368e4a ZJS	257	#endif
2f368e4a ZJS	258
5187dd2c	259
2f368e4a ZJS	260	/* ======================================================================= */
2f368e4a ZJS	261
4b9545f1	262	#if !HAVE_KEYCTL
5187dd2c	263	static inline long missing_keyctl(int cmd, unsigned long arg2, unsigned long arg3, unsigned long arg4,unsigned long arg5) {
2f368e4a ZJS	264	# ifdef __NR_keyctl
	265	return syscall(__NR_keyctl, cmd, arg2, arg3, arg4, arg5);
	266	# else
	267	errno = ENOSYS;
	268	return -1;
	269	# endif
5187dd2c ZJS	270
5187dd2c ZJS	271	# define keyctl missing_keyctl
2f368e4a ZJS	272	}
2f368e4a ZJS	273
5187dd2c	274	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	275	# ifdef __NR_add_key
	276	return syscall(__NR_add_key, type, description, payload, plen, ringid);
	277	# else
	278	errno = ENOSYS;
	279	return -1;
	280	# endif
5187dd2c ZJS	281
5187dd2c ZJS	282	# define add_key missing_add_key
2f368e4a ZJS	283	}
2f368e4a ZJS	284
5187dd2c	285	static inline key_serial_t missing_request_key(const char type, const char description, const char * callout_info, key_serial_t destringid) {
2f368e4a ZJS	286	# ifdef __NR_request_key
	287	return syscall(__NR_request_key, type, description, callout_info, destringid);
	288	# else
	289	errno = ENOSYS;
	290	return -1;
	291	# endif
5187dd2c ZJS	292
5187dd2c ZJS	293	# define request_key missing_request_key
2f368e4a ZJS	294	}
	295	#endif
	296
	297	/* ======================================================================= */
	298
4b9545f1	299	#if !HAVE_COPY_FILE_RANGE
2f368e4a ZJS	300	# ifndef __NR_copy_file_range
	301	# if defined(__x86_64__)
	302	# define __NR_copy_file_range 326
	303	# elif defined(__i386__)
	304	# define __NR_copy_file_range 377
	305	# elif defined __s390__
	306	# define __NR_copy_file_range 375
	307	# elif defined __arm__
	308	# define __NR_copy_file_range 391
	309	# elif defined __aarch64__
	310	# define __NR_copy_file_range 285
4d07c8d3 AIB	311	# elif defined __powerpc__
4d07c8d3 AIB	312	# define __NR_copy_file_range 379
27b09f1f AB	313	# elif defined __arc__
27b09f1f AB	314	# define __NR_copy_file_range 285
2f368e4a ZJS	315	# else
	316	# warning "__NR_copy_file_range not defined for your architecture"
	317	# endif
	318	# endif
	319
5187dd2c ZJS	320	static inline ssize_t missing_copy_file_range(int fd_in, loff_t *off_in,
	321	int fd_out, loff_t *off_out,
	322	size_t len,
	323	unsigned int flags) {
2f368e4a ZJS	324	# ifdef __NR_copy_file_range
	325	return syscall(__NR_copy_file_range, fd_in, off_in, fd_out, off_out, len, flags);
	326	# else
	327	errno = ENOSYS;
	328	return -1;
	329	# endif
	330	}
5187dd2c ZJS	331
5187dd2c ZJS	332	# define copy_file_range missing_copy_file_range
2f368e4a	333	#endif
71e5200f	334
213f2883 ZJS	335	/* ======================================================================= */
213f2883 ZJS	336
4b9545f1	337	#if !HAVE_BPF
71e5200f DM	338	# ifndef __NR_bpf
	339	# if defined __i386__
	340	# define __NR_bpf 357
	341	# elif defined __x86_64__
	342	# define __NR_bpf 321
	343	# elif defined __aarch64__
	344	# define __NR_bpf 280
d07ba5d7 HCNE	345	# elif defined __arm__
d07ba5d7 HCNE	346	# define __NR_bpf 386
71e5200f DM	347	# elif defined __sparc__
	348	# define __NR_bpf 349
	349	# elif defined __s390__
	350	# define __NR_bpf 351
66ffb275 HCNE	351	# elif defined __tilegx__
66ffb275 HCNE	352	# define __NR_bpf 280
71e5200f DM	353	# else
	354	# warning "__NR_bpf not defined for your architecture"
	355	# endif
	356	# endif
	357
	358	union bpf_attr;
	359
5187dd2c	360	static inline int missing_bpf(int cmd, union bpf_attr *attr, size_t size) {
71e5200f DM	361	#ifdef __NR_bpf
	362	return (int) syscall(__NR_bpf, cmd, attr, size);
	363	#else
	364	errno = ENOSYS;
	365	return -1;
	366	#endif
	367	}
	368
5187dd2c	369	# define bpf missing_bpf
71e5200f	370	#endif
213f2883 ZJS	371
	372	/* ======================================================================= */
	373
	374	#ifndef __IGNORE_pkey_mprotect
	375	# ifndef __NR_pkey_mprotect
	376	# if defined __i386__
	377	# define __NR_pkey_mprotect 380
	378	# elif defined __x86_64__
	379	# define __NR_pkey_mprotect 329
	380	# elif defined __arm__
	381	# define __NR_pkey_mprotect 394
	382	# elif defined __aarch64__
	383	# define __NR_pkey_mprotect 394
033c8366 ZJS	384	# elif defined __powerpc__
033c8366 ZJS	385	# define __NR_pkey_mprotect 386
213f2883 ZJS	386	# elif defined _MIPS_SIM
	387	# if _MIPS_SIM == _MIPS_SIM_ABI32
	388	# define __NR_pkey_mprotect 4363
	389	# endif
	390	# if _MIPS_SIM == _MIPS_SIM_NABI32
	391	# define __NR_pkey_mprotect 6327
	392	# endif
	393	# if _MIPS_SIM == _MIPS_SIM_ABI64
	394	# define __NR_pkey_mprotect 5323
	395	# endif
9c6888ac	396	# else
213f2883 ZJS	397	# warning "__NR_pkey_mprotect not defined for your architecture"
	398	# endif
	399	# endif
	400	#endif
4c2e1b39	401
5187dd2c ZJS	402	/* ======================================================================= */
5187dd2c ZJS	403
4c2e1b39 LP	404	#if !HAVE_STATX
	405	# ifndef __NR_statx
	406	# if defined __i386__
fd91e3ef	407	# define __NR_statx 383
4c2e1b39	408	# elif defined __x86_64__
fd91e3ef	409	# define __NR_statx 332
4c2e1b39 LP	410	# else
	411	# warning "__NR_statx not defined for your architecture"
	412	# endif
	413	# endif
	414
	415	struct statx;
5187dd2c ZJS	416	#endif
	417
	418	/* This typedef is supposed to be always defined. */
	419	typedef struct statx struct_statx;
4c2e1b39	420
5187dd2c ZJS	421	#if !HAVE_STATX
5187dd2c ZJS	422	static inline ssize_t missing_statx(int dfd, const char filename, unsigned flags, unsigned int mask, struct statx buffer) {
4c2e1b39 LP	423	# ifdef __NR_statx
	424	return syscall(__NR_statx, dfd, filename, flags, mask, buffer);
	425	# else
	426	errno = ENOSYS;
	427	return -1;
	428	# endif
	429	}
5187dd2c ZJS	430
5187dd2c ZJS	431	# define statx missing_statx
4c2e1b39	432	#endif