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

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

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

#include <fcntl.h>
#include <sys/syscall.h>
#include <sys/types.h>

#include "missing_keyctl.h"
#include "missing_stat.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
2f368e4a ZJS	3
2f368e4a ZJS	4	/* Missing glibc definitions to access certain kernel APIs */
2f368e4a ZJS	5
36dd5ffd YW	6	#include <fcntl.h>
36dd5ffd YW	7	#include <sys/syscall.h>
71e5200f DM	8	#include <sys/types.h>
71e5200f DM	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
5187dd2c ZJS	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__
27b09f1f AB	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
5187dd2c ZJS	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__)
27b09f1f AB	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
5187dd2c ZJS	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
5187dd2c ZJS	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__)
27b09f1f AB	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
5187dd2c ZJS	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__)
27b09f1f AB	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
5187dd2c ZJS	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__
925c81cd LP	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__
27b09f1f AB	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
5187dd2c ZJS	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
5187dd2c ZJS	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
5187dd2c ZJS	268	# define keyctl missing_keyctl
2f368e4a ZJS	269	}
2f368e4a ZJS	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
5187dd2c ZJS	279	# define add_key missing_add_key
2f368e4a ZJS	280	}
2f368e4a ZJS	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
5187dd2c ZJS	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__
4d07c8d3 AIB	309	# define __NR_copy_file_range 379
27b09f1f AB	310	# elif defined __arc__
27b09f1f AB	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
5187dd2c ZJS	329	# define copy_file_range missing_copy_file_range
2f368e4a	330	#endif
71e5200f	331
213f2883 ZJS	332	/* ======================================================================= */
213f2883 ZJS	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__
d07ba5d7 HCNE	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__
66ffb275 HCNE	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__
033c8366 ZJS	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	/* ======================================================================= */
5187dd2c ZJS	400
4c2e1b39 LP	401	#if !HAVE_STATX
4c2e1b39 LP	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__
773c8434 AD	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
5187dd2c ZJS	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
5187dd2c ZJS	434	# define statx missing_statx
4c2e1b39	435	#endif