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/* SPDX-License-Identifier: GPL-2.0-only */ /* * syscalls.h - Linux syscall interfaces (non-arch-specific) * * Copyright (c) 2004 Randy Dunlap * Copyright (c) 2004 Open Source Development Labs */ #ifndef _LINUX_SYSCALLS_H #define _LINUX_SYSCALLS_H struct __aio_sigset; struct epoll_event; struct iattr; struct inode; struct iocb; struct io_event; struct iovec; struct __kernel_old_itimerval; struct kexec_segment; struct linux_dirent; struct linux_dirent64; struct list_head; struct mmap_arg_struct; struct msgbuf; struct user_msghdr; struct mmsghdr; struct msqid_ds; struct new_utsname; struct nfsctl_arg; struct __old_kernel_stat; struct oldold_utsname; struct old_utsname; struct pollfd; struct rlimit; struct rlimit64; struct rusage; struct sched_param; struct sched_attr; struct sel_arg_struct; struct semaphore; struct sembuf; struct shmid_ds; struct sockaddr; struct stat; struct stat64; struct statfs; struct statfs64; struct statx; struct sysinfo; struct timespec; struct __kernel_old_timeval; struct __kernel_timex; struct timezone; struct tms; struct utimbuf; struct mq_attr; struct compat_stat; struct old_timeval32; struct robust_list_head; struct futex_waitv; struct getcpu_cache; struct old_linux_dirent; struct perf_event_attr; struct file_handle; struct sigaltstack; struct rseq; union bpf_attr; struct io_uring_params; struct clone_args; struct open_how; struct mount_attr; struct landlock_ruleset_attr; struct lsm_ctx; enum landlock_rule_type; struct cachestat_range; struct cachestat; struct statmount; struct mnt_id_req; struct xattr_args; #include <linux/types.h> #include <linux/aio_abi.h> #include <linux/capability.h> #include <linux/signal.h> #include <linux/list.h> #include <linux/bug.h> #include <linux/sem.h> #include <asm/siginfo.h> #include <linux/unistd.h> #include <linux/quota.h> #include <linux/key.h> #include <linux/personality.h> #include <trace/syscall.h> #ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER /* * It may be useful for an architecture to override the definitions of the * SYSCALL_DEFINE0() and __SYSCALL_DEFINEx() macros, in particular to use a * different calling convention for syscalls. To allow for that, the prototypes * for the sys_*() functions below will *not* be included if * CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled. */ #include <asm/syscall_wrapper.h> #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */ /* * __MAP - apply a macro to syscall arguments * __MAP(n, m, t1, a1, t2, a2, ..., tn, an) will expand to * m(t1, a1), m(t2, a2), ..., m(tn, an) * The first argument must be equal to the amount of type/name * pairs given. Note that this list of pairs (i.e. the arguments * of __MAP starting at the third one) is in the same format as * for SYSCALL_DEFINE<n>/COMPAT_SYSCALL_DEFINE<n> */ #define __MAP0(m,...) #define __MAP1(m,t,a,...) m(t,a) #define __MAP2(m,t,a,...) m(t,a), __MAP1(m,__VA_ARGS__) #define __MAP3(m,t,a,...) m(t,a), __MAP2(m,__VA_ARGS__) #define __MAP4(m,t,a,...) m(t,a), __MAP3(m,__VA_ARGS__) #define __MAP5(m,t,a,...) m(t,a), __MAP4(m,__VA_ARGS__) #define __MAP6(m,t,a,...) m(t,a), __MAP5(m,__VA_ARGS__) #define __MAP(n,...) __MAP##n(__VA_ARGS__) #define __SC_DECL(t, a) t a #define __TYPE_AS(t, v) __same_type((__force t)0, v) #define __TYPE_IS_L(t) (__TYPE_AS(t, 0L)) #define __TYPE_IS_UL(t) (__TYPE_AS(t, 0UL)) #define __TYPE_IS_LL(t) (__TYPE_AS(t, 0LL) || __TYPE_AS(t, 0ULL)) #define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a #define __SC_CAST(t, a) (__force t) a #define __SC_TYPE(t, a) t #define __SC_ARGS(t, a) a #define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long)) #ifdef CONFIG_FTRACE_SYSCALLS #define __SC_STR_ADECL(t, a) #a #define __SC_STR_TDECL(t, a) #t extern struct trace_event_class event_class_syscall_enter; extern struct trace_event_class event_class_syscall_exit; extern struct trace_event_functions enter_syscall_print_funcs; extern struct trace_event_functions exit_syscall_print_funcs; #define SYSCALL_TRACE_ENTER_EVENT(sname) \ static struct syscall_metadata __syscall_meta_##sname; \ static struct trace_event_call __used \ event_enter_##sname = { \ .class = &event_class_syscall_enter, \ { \ .name = "sys_enter"#sname, \ }, \ .event.funcs = &enter_syscall_print_funcs, \ .data = (void *)&__syscall_meta_##sname,\ .flags = TRACE_EVENT_FL_CAP_ANY, \ }; \ static struct trace_event_call __used \ __section("_ftrace_events") \ *__event_enter_##sname = &event_enter_##sname; #define SYSCALL_TRACE_EXIT_EVENT(sname) \ static struct syscall_metadata __syscall_meta_##sname; \ static struct trace_event_call __used \ event_exit_##sname = { \ .class = &event_class_syscall_exit, \ { \ .name = "sys_exit"#sname, \ }, \ .event.funcs = &exit_syscall_print_funcs, \ .data = (void *)&__syscall_meta_##sname,\ .flags = TRACE_EVENT_FL_CAP_ANY, \ }; \ static struct trace_event_call __used \ __section("_ftrace_events") \ *__event_exit_##sname = &event_exit_##sname; #define SYSCALL_METADATA(sname, nb, ...) \ static const char *types_##sname[] = { \ __MAP(nb,__SC_STR_TDECL,__VA_ARGS__) \ }; \ static const char *args_##sname[] = { \ __MAP(nb,__SC_STR_ADECL,__VA_ARGS__) \ }; \ SYSCALL_TRACE_ENTER_EVENT(sname); \ SYSCALL_TRACE_EXIT_EVENT(sname); \ static struct syscall_metadata __used \ __syscall_meta_##sname = { \ .name = "sys"#sname, \ .syscall_nr = -1, /* Filled in at boot */ \ .nb_args = nb, \ .types = nb ? types_##sname : NULL, \ .args = nb ? args_##sname : NULL, \ .enter_event = &event_enter_##sname, \ .exit_event = &event_exit_##sname, \ .enter_fields = LIST_HEAD_INIT(__syscall_meta_##sname.enter_fields), \ }; \ static struct syscall_metadata __used \ __section("__syscalls_metadata") \ *__p_syscall_meta_##sname = &__syscall_meta_##sname; static inline int is_syscall_trace_event(struct trace_event_call *tp_event) { return tp_event->class == &event_class_syscall_enter || tp_event->class == &event_class_syscall_exit; } #else #define SYSCALL_METADATA(sname, nb, ...) static inline int is_syscall_trace_event(struct trace_event_call *tp_event) { return 0; } #endif #ifndef SYSCALL_DEFINE0 #define SYSCALL_DEFINE0(sname) \ SYSCALL_METADATA(_##sname, 0); \ asmlinkage long sys_##sname(void); \ ALLOW_ERROR_INJECTION(sys_##sname, ERRNO); \ asmlinkage long sys_##sname(void) #endif /* SYSCALL_DEFINE0 */ #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__) #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__) #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) #define SYSCALL_DEFINE_MAXARGS 6 #define SYSCALL_DEFINEx(x, sname, ...) \ SYSCALL_METADATA(sname, x, __VA_ARGS__) \ __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) #define __PROTECT(...) asmlinkage_protect(__VA_ARGS__) /* * The asmlinkage stub is aliased to a function named __se_sys_*() which * sign-extends 32-bit ints to longs whenever needed. The actual work is * done within __do_sys_*(). */ #ifndef __SYSCALL_DEFINEx #define __SYSCALL_DEFINEx(x, name, ...) \ __diag_push(); \ __diag_ignore(GCC, 8, "-Wattribute-alias", \ "Type aliasing is used to sanitize syscall arguments");\ asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \ __attribute__((alias(__stringify(__se_sys##name)))); \ ALLOW_ERROR_INJECTION(sys##name, ERRNO); \ static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \ asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \ { \ long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\ __MAP(x,__SC_TEST,__VA_ARGS__); \ __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \ return ret; \ } \ __diag_pop(); \ static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) #endif /* __SYSCALL_DEFINEx */ /* For split 64-bit arguments on 32-bit architectures */ #ifdef __LITTLE_ENDIAN #define SC_ARG64(name) u32, name##_lo, u32, name##_hi #else #define SC_ARG64(name) u32, name##_hi, u32, name##_lo #endif #define SC_VAL64(type, name) ((type) name##_hi << 32 | name##_lo) #ifdef CONFIG_COMPAT #define SYSCALL32_DEFINE0 COMPAT_SYSCALL_DEFINE0 #define SYSCALL32_DEFINE1 COMPAT_SYSCALL_DEFINE1 #define SYSCALL32_DEFINE2 COMPAT_SYSCALL_DEFINE2 #define SYSCALL32_DEFINE3 COMPAT_SYSCALL_DEFINE3 #define SYSCALL32_DEFINE4 COMPAT_SYSCALL_DEFINE4 #define SYSCALL32_DEFINE5 COMPAT_SYSCALL_DEFINE5 #define SYSCALL32_DEFINE6 COMPAT_SYSCALL_DEFINE6 #else #define SYSCALL32_DEFINE0 SYSCALL_DEFINE0 #define SYSCALL32_DEFINE1 SYSCALL_DEFINE1 #define SYSCALL32_DEFINE2 SYSCALL_DEFINE2 #define SYSCALL32_DEFINE3 SYSCALL_DEFINE3 #define SYSCALL32_DEFINE4 SYSCALL_DEFINE4 #define SYSCALL32_DEFINE5 SYSCALL_DEFINE5 #define SYSCALL32_DEFINE6 SYSCALL_DEFINE6 #endif /* * These syscall function prototypes are kept in the same order as * include/uapi/asm-generic/unistd.h. Architecture specific entries go below, * followed by deprecated or obsolete system calls. * * Please note that these prototypes here are only provided for information * purposes, for static analysis, and for linking from the syscall table. * These functions should not be called elsewhere from kernel code. * * As the syscall calling convention may be different from the default * for architectures overriding the syscall calling convention, do not * include the prototypes if CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled. */ #ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER asmlinkage long sys_io_setup(unsigned nr_reqs, aio_context_t __user *ctx); asmlinkage long sys_io_destroy(aio_context_t ctx); asmlinkage long sys_io_submit(aio_context_t, long, struct iocb __user * __user *); asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb, struct io_event __user *result); asmlinkage long sys_io_getevents(aio_context_t ctx_id, long min_nr, long nr, struct io_event __user *events, struct __kernel_timespec __user *timeout); asmlinkage long sys_io_getevents_time32(__u32 ctx_id, __s32 min_nr, __s32 nr, struct io_event __user *events, struct old_timespec32 __user *timeout); asmlinkage long sys_io_pgetevents(aio_context_t ctx_id, long min_nr, long nr, struct io_event __user *events, struct __kernel_timespec __user *timeout, const struct __aio_sigset __user *sig); asmlinkage long sys_io_pgetevents_time32(aio_context_t ctx_id, long min_nr, long nr, struct io_event __user *events, struct old_timespec32 __user *timeout, const struct __aio_sigset __user *sig); asmlinkage long sys_io_uring_setup(u32 entries, struct io_uring_params __user *p); asmlinkage long sys_io_uring_enter(unsigned int fd, u32 to_submit, u32 min_complete, u32 flags, const void __user *argp, size_t argsz); asmlinkage long sys_io_uring_register(unsigned int fd, unsigned int op, void __user *arg, unsigned int nr_args); asmlinkage long sys_setxattr(const char __user *path, const char __user *name, const void __user *value, size_t size, int flags); asmlinkage long sys_setxattrat(int dfd, const char __user *path, unsigned int at_flags, const char __user *name, const struct xattr_args __user *args, size_t size); asmlinkage long sys_lsetxattr(const char __user *path, const char __user *name, const void __user *value, size_t size, int flags); asmlinkage long sys_fsetxattr(int fd, const char __user *name, const void __user *value, size_t size, int flags); asmlinkage long sys_getxattr(const char __user *path, const char __user *name, void __user *value, size_t size); asmlinkage long sys_getxattrat(int dfd, const char __user *path, unsigned int at_flags, const char __user *name, struct xattr_args __user *args, size_t size); asmlinkage long sys_lgetxattr(const char __user *path, const char __user *name, void __user *value, size_t size); asmlinkage long sys_fgetxattr(int fd, const char __user *name, void __user *value, size_t size); asmlinkage long sys_listxattr(const char __user *path, char __user *list, size_t size); asmlinkage long sys_listxattrat(int dfd, const char __user *path, unsigned int at_flags, char __user *list, size_t size); asmlinkage long sys_llistxattr(const char __user *path, char __user *list, size_t size); asmlinkage long sys_flistxattr(int fd, char __user *list, size_t size); asmlinkage long sys_removexattr(const char __user *path, const char __user *name); asmlinkage long sys_removexattrat(int dfd, const char __user *path, unsigned int at_flags, const char __user *name); asmlinkage long sys_lremovexattr(const char __user *path, const char __user *name); asmlinkage long sys_fremovexattr(int fd, const char __user *name); asmlinkage long sys_getcwd(char __user *buf, unsigned long size); asmlinkage long sys_eventfd2(unsigned int count, int flags); asmlinkage long sys_epoll_create1(int flags); asmlinkage long sys_epoll_ctl(int epfd, int op, int fd, struct epoll_event __user *event); asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events, int maxevents, int timeout, const sigset_t __user *sigmask, size_t sigsetsize); asmlinkage long sys_epoll_pwait2(int epfd, struct epoll_event __user *events, int maxevents, const struct __kernel_timespec __user *timeout, const sigset_t __user *sigmask, size_t sigsetsize); asmlinkage long sys_dup(unsigned int fildes); asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags); asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg); #if BITS_PER_LONG == 32 asmlinkage long sys_fcntl64(unsigned int fd, unsigned int cmd, unsigned long arg); #endif asmlinkage long sys_inotify_init1(int flags); asmlinkage long sys_inotify_add_watch(int fd, const char __user *path, u32 mask); asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd); asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg); asmlinkage long sys_ioprio_set(int which, int who, int ioprio); asmlinkage long sys_ioprio_get(int which, int who); asmlinkage long sys_flock(unsigned int fd, unsigned int cmd); asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode, unsigned dev); asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode); asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag); asmlinkage long sys_symlinkat(const char __user * oldname, int newdfd, const char __user * newname); asmlinkage long sys_linkat(int olddfd, const char __user *oldname, int newdfd, const char __user *newname, int flags); asmlinkage long sys_renameat(int olddfd, const char __user * oldname, int newdfd, const char __user * newname); asmlinkage long sys_umount(char __user *name, int flags); asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name, char __user *type, unsigned long flags, void __user *data); asmlinkage long sys_pivot_root(const char __user *new_root, const char __user *put_old); asmlinkage long sys_statfs(const char __user * path, struct statfs __user *buf); asmlinkage long sys_statfs64(const char __user *path, size_t sz, struct statfs64 __user *buf); asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user *buf); asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz, struct statfs64 __user *buf); asmlinkage long sys_statmount(const struct mnt_id_req __user *req, struct statmount __user *buf, size_t bufsize, unsigned int flags); asmlinkage long sys_listmount(const struct mnt_id_req __user *req, u64 __user *mnt_ids, size_t nr_mnt_ids, unsigned int flags); asmlinkage long sys_truncate(const char __user *path, long length); asmlinkage long sys_ftruncate(unsigned int fd, off_t length); #if BITS_PER_LONG == 32 asmlinkage long sys_truncate64(const char __user *path, loff_t length); asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length); #endif asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len); asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode); asmlinkage long sys_faccessat2(int dfd, const char __user *filename, int mode, int flags); asmlinkage long sys_chdir(const char __user *filename); asmlinkage long sys_fchdir(unsigned int fd); asmlinkage long sys_chroot(const char __user *filename); asmlinkage long sys_fchmod(unsigned int fd, umode_t mode); asmlinkage long sys_fchmodat(int dfd, const char __user *filename, umode_t mode); asmlinkage long sys_fchmodat2(int dfd, const char __user *filename, umode_t mode, unsigned int flags); asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user, gid_t group, int flag); asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group); asmlinkage long sys_openat(int dfd, const char __user *filename, int flags, umode_t mode); asmlinkage long sys_openat2(int dfd, const char __user *filename, struct open_how __user *how, size_t size); asmlinkage long sys_close(unsigned int fd); asmlinkage long sys_close_range(unsigned int fd, unsigned int max_fd, unsigned int flags); asmlinkage long sys_vhangup(void); asmlinkage long sys_pipe2(int __user *fildes, int flags); asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special, qid_t id, void __user *addr); asmlinkage long sys_quotactl_fd(unsigned int fd, unsigned int cmd, qid_t id, void __user *addr); asmlinkage long sys_getdents64(unsigned int fd, struct linux_dirent64 __user *dirent, unsigned int count); asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high, unsigned long offset_low, loff_t __user *result, unsigned int whence); asmlinkage long sys_lseek(unsigned int fd, off_t offset, unsigned int whence); asmlinkage long sys_read(unsigned int fd, char __user *buf, size_t count); asmlinkage long sys_write(unsigned int fd, const char __user *buf, size_t count); asmlinkage long sys_readv(unsigned long fd, const struct iovec __user *vec, unsigned long vlen); asmlinkage long sys_writev(unsigned long fd, const struct iovec __user *vec, unsigned long vlen); asmlinkage long sys_pread64(unsigned int fd, char __user *buf, size_t count, loff_t pos); asmlinkage long sys_pwrite64(unsigned int fd, const char __user *buf, size_t count, loff_t pos); asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec, unsigned long vlen, unsigned long pos_l, unsigned long pos_h); asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec, unsigned long vlen, unsigned long pos_l, unsigned long pos_h); asmlinkage long sys_sendfile64(int out_fd, int in_fd, loff_t __user *offset, size_t count); asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *, fd_set __user *, struct __kernel_timespec __user *, void __user *); asmlinkage long sys_pselect6_time32(int, fd_set __user *, fd_set __user *, fd_set __user *, struct old_timespec32 __user *, void __user *); asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int, struct __kernel_timespec __user *, const sigset_t __user *, size_t); asmlinkage long sys_ppoll_time32(struct pollfd __user *, unsigned int, struct old_timespec32 __user *, const sigset_t __user *, size_t); asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask, int flags); asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov, unsigned long nr_segs, unsigned int flags); asmlinkage long sys_splice(int fd_in, loff_t __user *off_in, int fd_out, loff_t __user *off_out, size_t len, unsigned int flags); asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags); asmlinkage long sys_readlinkat(int dfd, const char __user *path, char __user *buf, int bufsiz); asmlinkage long sys_newfstatat(int dfd, const char __user *filename, struct stat __user *statbuf, int flag); asmlinkage long sys_newfstat(unsigned int fd, struct stat __user *statbuf); #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64) asmlinkage long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf); asmlinkage long sys_fstatat64(int dfd, const char __user *filename, struct stat64 __user *statbuf, int flag); #endif asmlinkage long sys_sync(void); asmlinkage long sys_fsync(unsigned int fd); asmlinkage long sys_fdatasync(unsigned int fd); asmlinkage long sys_sync_file_range2(int fd, unsigned int flags, loff_t offset, loff_t nbytes); asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes, unsigned int flags); asmlinkage long sys_timerfd_create(int clockid, int flags); asmlinkage long sys_timerfd_settime(int ufd, int flags, const struct __kernel_itimerspec __user *utmr, struct __kernel_itimerspec __user *otmr); asmlinkage long sys_timerfd_gettime(int ufd, struct __kernel_itimerspec __user *otmr); asmlinkage long sys_timerfd_gettime32(int ufd, struct old_itimerspec32 __user *otmr); asmlinkage long sys_timerfd_settime32(int ufd, int flags, const struct old_itimerspec32 __user *utmr, struct old_itimerspec32 __user *otmr); asmlinkage long sys_utimensat(int dfd, const char __user *filename, struct __kernel_timespec __user *utimes, int flags); asmlinkage long sys_utimensat_time32(unsigned int dfd, const char __user *filename, struct old_timespec32 __user *t, int flags); asmlinkage long sys_acct(const char __user *name); asmlinkage long sys_capget(cap_user_header_t header, cap_user_data_t dataptr); asmlinkage long sys_capset(cap_user_header_t header, const cap_user_data_t data); asmlinkage long sys_personality(unsigned int personality); asmlinkage long sys_exit(int error_code); asmlinkage long sys_exit_group(int error_code); asmlinkage long sys_waitid(int which, pid_t pid, struct siginfo __user *infop, int options, struct rusage __user *ru); asmlinkage long sys_set_tid_address(int __user *tidptr); asmlinkage long sys_unshare(unsigned long unshare_flags); asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val, const struct __kernel_timespec __user *utime, u32 __user *uaddr2, u32 val3); asmlinkage long sys_futex_time32(u32 __user *uaddr, int op, u32 val, const struct old_timespec32 __user *utime, u32 __user *uaddr2, u32 val3); asmlinkage long sys_get_robust_list(int pid, struct robust_list_head __user * __user *head_ptr, size_t __user *len_ptr); asmlinkage long sys_set_robust_list(struct robust_list_head __user *head, size_t len); asmlinkage long sys_futex_waitv(struct futex_waitv __user *waiters, unsigned int nr_futexes, unsigned int flags, struct __kernel_timespec __user *timeout, clockid_t clockid); asmlinkage long sys_futex_wake(void __user *uaddr, unsigned long mask, int nr, unsigned int flags); asmlinkage long sys_futex_wait(void __user *uaddr, unsigned long val, unsigned long mask, unsigned int flags, struct __kernel_timespec __user *timespec, clockid_t clockid); asmlinkage long sys_futex_requeue(struct futex_waitv __user *waiters, unsigned int flags, int nr_wake, int nr_requeue); asmlinkage long sys_nanosleep(struct __kernel_timespec __user *rqtp, struct __kernel_timespec __user *rmtp); asmlinkage long sys_nanosleep_time32(struct old_timespec32 __user *rqtp, struct old_timespec32 __user *rmtp); asmlinkage long sys_getitimer(int which, struct __kernel_old_itimerval __user *value); asmlinkage long sys_setitimer(int which, struct __kernel_old_itimerval __user *value, struct __kernel_old_itimerval __user *ovalue); asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments, struct kexec_segment __user *segments, unsigned long flags); asmlinkage long sys_init_module(void __user *umod, unsigned long len, const char __user *uargs); asmlinkage long sys_delete_module(const char __user *name_user, unsigned int flags); asmlinkage long sys_timer_create(clockid_t which_clock, struct sigevent __user *timer_event_spec, timer_t __user * created_timer_id); asmlinkage long sys_timer_gettime(timer_t timer_id, struct __kernel_itimerspec __user *setting); asmlinkage long sys_timer_getoverrun(timer_t timer_id); asmlinkage long sys_timer_settime(timer_t timer_id, int flags, const struct __kernel_itimerspec __user *new_setting, struct __kernel_itimerspec __user *old_setting); asmlinkage long sys_timer_delete(timer_t timer_id); asmlinkage long sys_clock_settime(clockid_t which_clock, const struct __kernel_timespec __user *tp); asmlinkage long sys_clock_gettime(clockid_t which_clock, struct __kernel_timespec __user *tp); asmlinkage long sys_clock_getres(clockid_t which_clock, struct __kernel_timespec __user *tp); asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags, const struct __kernel_timespec __user *rqtp, struct __kernel_timespec __user *rmtp); asmlinkage long sys_timer_gettime32(timer_t timer_id, struct old_itimerspec32 __user *setting); asmlinkage long sys_timer_settime32(timer_t timer_id, int flags, struct old_itimerspec32 __user *new, struct old_itimerspec32 __user *old); asmlinkage long sys_clock_settime32(clockid_t which_clock, struct old_timespec32 __user *tp); asmlinkage long sys_clock_gettime32(clockid_t which_clock, struct old_timespec32 __user *tp); asmlinkage long sys_clock_getres_time32(clockid_t which_clock, struct old_timespec32 __user *tp); asmlinkage long sys_clock_nanosleep_time32(clockid_t which_clock, int flags, struct old_timespec32 __user *rqtp, struct old_timespec32 __user *rmtp); asmlinkage long sys_syslog(int type, char __user *buf, int len); asmlinkage long sys_ptrace(long request, long pid, unsigned long addr, unsigned long data); asmlinkage long sys_sched_setparam(pid_t pid, struct sched_param __user *param); asmlinkage long sys_sched_setscheduler(pid_t pid, int policy, struct sched_param __user *param); asmlinkage long sys_sched_getscheduler(pid_t pid); asmlinkage long sys_sched_getparam(pid_t pid, struct sched_param __user *param); asmlinkage long sys_sched_setaffinity(pid_t pid, unsigned int len, unsigned long __user *user_mask_ptr); asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len, unsigned long __user *user_mask_ptr); asmlinkage long sys_sched_yield(void); asmlinkage long sys_sched_get_priority_max(int policy); asmlinkage long sys_sched_get_priority_min(int policy); asmlinkage long sys_sched_rr_get_interval(pid_t pid, struct __kernel_timespec __user *interval); asmlinkage long sys_sched_rr_get_interval_time32(pid_t pid, struct old_timespec32 __user *interval); asmlinkage long sys_restart_syscall(void); asmlinkage long sys_kill(pid_t pid, int sig); asmlinkage long sys_tkill(pid_t pid, int sig); asmlinkage long sys_tgkill(pid_t tgid, pid_t pid, int sig); asmlinkage long sys_sigaltstack(const struct sigaltstack __user *uss, struct sigaltstack __user *uoss); asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize); #ifndef CONFIG_ODD_RT_SIGACTION asmlinkage long sys_rt_sigaction(int, const struct sigaction __user *, struct sigaction __user *, size_t); #endif asmlinkage long sys_rt_sigprocmask(int how, sigset_t __user *set, sigset_t __user *oset, size_t sigsetsize); asmlinkage long sys_rt_sigpending(sigset_t __user *set, size_t sigsetsize); asmlinkage long sys_rt_sigtimedwait(const sigset_t __user *uthese, siginfo_t __user *uinfo, const struct __kernel_timespec __user *uts, size_t sigsetsize); asmlinkage long sys_rt_sigtimedwait_time32(const sigset_t __user *uthese, siginfo_t __user *uinfo, const struct old_timespec32 __user *uts, size_t sigsetsize); asmlinkage long sys_rt_sigqueueinfo(pid_t pid, int sig, siginfo_t __user *uinfo); asmlinkage long sys_setpriority(int which, int who, int niceval); asmlinkage long sys_getpriority(int which, int who); asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd, void __user *arg); asmlinkage long sys_setregid(gid_t rgid, gid_t egid); asmlinkage long sys_setgid(gid_t gid); asmlinkage long sys_setreuid(uid_t ruid, uid_t euid); asmlinkage long sys_setuid(uid_t uid); asmlinkage long sys_setresuid(uid_t ruid, uid_t euid, uid_t suid); asmlinkage long sys_getresuid(uid_t __user *ruid, uid_t __user *euid, uid_t __user *suid); asmlinkage long sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid); asmlinkage long sys_getresgid(gid_t __user *rgid, gid_t __user *egid, gid_t __user *sgid); asmlinkage long sys_setfsuid(uid_t uid); asmlinkage long sys_setfsgid(gid_t gid); asmlinkage long sys_times(struct tms __user *tbuf); asmlinkage long sys_setpgid(pid_t pid, pid_t pgid); asmlinkage long sys_getpgid(pid_t pid); asmlinkage long sys_getsid(pid_t pid); asmlinkage long sys_setsid(void); asmlinkage long sys_getgroups(int gidsetsize, gid_t __user *grouplist); asmlinkage long sys_setgroups(int gidsetsize, gid_t __user *grouplist); asmlinkage long sys_newuname(struct new_utsname __user *name); asmlinkage long sys_sethostname(char __user *name, int len); asmlinkage long sys_setdomainname(char __user *name, int len); asmlinkage long sys_getrlimit(unsigned int resource, struct rlimit __user *rlim); asmlinkage long sys_setrlimit(unsigned int resource, struct rlimit __user *rlim); asmlinkage long sys_getrusage(int who, struct rusage __user *ru); asmlinkage long sys_umask(int mask); asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5); asmlinkage long sys_getcpu(unsigned __user *cpu, unsigned __user *node, struct getcpu_cache __user *cache); asmlinkage long sys_gettimeofday(struct __kernel_old_timeval __user *tv, struct timezone __user *tz); asmlinkage long sys_settimeofday(struct __kernel_old_timeval __user *tv, struct timezone __user *tz); asmlinkage long sys_adjtimex(struct __kernel_timex __user *txc_p); asmlinkage long sys_adjtimex_time32(struct old_timex32 __user *txc_p); asmlinkage long sys_getpid(void); asmlinkage long sys_getppid(void); asmlinkage long sys_getuid(void); asmlinkage long sys_geteuid(void); asmlinkage long sys_getgid(void); asmlinkage long sys_getegid(void); asmlinkage long sys_gettid(void); asmlinkage long sys_sysinfo(struct sysinfo __user *info); asmlinkage long sys_mq_open(const char __user *name, int oflag, umode_t mode, struct mq_attr __user *attr); asmlinkage long sys_mq_unlink(const char __user *name); asmlinkage long sys_mq_timedsend(mqd_t mqdes, const char __user *msg_ptr, size_t msg_len, unsigned int msg_prio, const struct __kernel_timespec __user *abs_timeout); asmlinkage long sys_mq_timedreceive(mqd_t mqdes, char __user *msg_ptr, size_t msg_len, unsigned int __user *msg_prio, const struct __kernel_timespec __user *abs_timeout); asmlinkage long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *notification); asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat); asmlinkage long sys_mq_timedreceive_time32(mqd_t mqdes, char __user *u_msg_ptr, unsigned int msg_len, unsigned int __user *u_msg_prio, const struct old_timespec32 __user *u_abs_timeout); asmlinkage long sys_mq_timedsend_time32(mqd_t mqdes, const char __user *u_msg_ptr, unsigned int msg_len, unsigned int msg_prio, const struct old_timespec32 __user *u_abs_timeout); asmlinkage long sys_msgget(key_t key, int msgflg); asmlinkage long sys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf); asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf); asmlinkage long sys_msgrcv(int msqid, struct msgbuf __user *msgp, size_t msgsz, long msgtyp, int msgflg); asmlinkage long sys_msgsnd(int msqid, struct msgbuf __user *msgp, size_t msgsz, int msgflg); asmlinkage long sys_semget(key_t key, int nsems, int semflg); asmlinkage long sys_semctl(int semid, int semnum, int cmd, unsigned long arg); asmlinkage long sys_old_semctl(int semid, int semnum, int cmd, unsigned long arg); asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops, unsigned nsops, const struct __kernel_timespec __user *timeout); asmlinkage long sys_semtimedop_time32(int semid, struct sembuf __user *sops, unsigned nsops, const struct old_timespec32 __user *timeout); asmlinkage long sys_semop(int semid, struct sembuf __user *sops, unsigned nsops); asmlinkage long sys_shmget(key_t key, size_t size, int flag); asmlinkage long sys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf); asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf); asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg); asmlinkage long sys_shmdt(char __user *shmaddr); asmlinkage long sys_socket(int, int, int); asmlinkage long sys_socketpair(int, int, int, int __user *); asmlinkage long sys_bind(int, struct sockaddr __user *, int); asmlinkage long sys_listen(int, int); asmlinkage long sys_accept(int, struct sockaddr __user *, int __user *); asmlinkage long sys_connect(int, struct sockaddr __user *, int); asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *); asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *); asmlinkage long sys_sendto(int, void __user *, size_t, unsigned, struct sockaddr __user *, int); asmlinkage long sys_recvfrom(int, void __user *, size_t, unsigned, struct sockaddr __user *, int __user *); asmlinkage long sys_setsockopt(int fd, int level, int optname, char __user *optval, int optlen); asmlinkage long sys_getsockopt(int fd, int level, int optname, char __user *optval, int __user *optlen); asmlinkage long sys_shutdown(int, int); asmlinkage long sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags); asmlinkage long sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned flags); asmlinkage long sys_readahead(int fd, loff_t offset, size_t count); asmlinkage long sys_brk(unsigned long brk); asmlinkage long sys_munmap(unsigned long addr, size_t len); asmlinkage long sys_mremap(unsigned long addr, unsigned long old_len, unsigned long new_len, unsigned long flags, unsigned long new_addr); asmlinkage long sys_add_key(const char __user *_type, const char __user *_description, const void __user *_payload, size_t plen, key_serial_t destringid); asmlinkage long sys_request_key(const char __user *_type, const char __user *_description, const char __user *_callout_info, key_serial_t destringid); asmlinkage long sys_keyctl(int cmd, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5); #ifdef CONFIG_CLONE_BACKWARDS asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, unsigned long, int __user *); #else #ifdef CONFIG_CLONE_BACKWARDS3 asmlinkage long sys_clone(unsigned long, unsigned long, int, int __user *, int __user *, unsigned long); #else asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, int __user *, unsigned long); #endif #endif asmlinkage long sys_clone3(struct clone_args __user *uargs, size_t size); asmlinkage long sys_execve(const char __user *filename, const char __user *const __user *argv, const char __user *const __user *envp); asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice); /* CONFIG_MMU only */ asmlinkage long sys_swapon(const char __user *specialfile, int swap_flags); asmlinkage long sys_swapoff(const char __user *specialfile); asmlinkage long sys_mprotect(unsigned long start, size_t len, unsigned long prot); asmlinkage long sys_msync(unsigned long start, size_t len, int flags); asmlinkage long sys_mlock(unsigned long start, size_t len); asmlinkage long sys_munlock(unsigned long start, size_t len); asmlinkage long sys_mlockall(int flags); asmlinkage long sys_munlockall(void); asmlinkage long sys_mincore(unsigned long start, size_t len, unsigned char __user * vec); asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior); asmlinkage long sys_process_madvise(int pidfd, const struct iovec __user *vec, size_t vlen, int behavior, unsigned int flags); asmlinkage long sys_process_mrelease(int pidfd, unsigned int flags); asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size, unsigned long prot, unsigned long pgoff, unsigned long flags); asmlinkage long sys_mseal(unsigned long start, size_t len, unsigned long flags); asmlinkage long sys_mbind(unsigned long start, unsigned long len, unsigned long mode, const unsigned long __user *nmask, unsigned long maxnode, unsigned flags); asmlinkage long sys_get_mempolicy(int __user *policy, unsigned long __user *nmask, unsigned long maxnode, unsigned long addr, unsigned long flags); asmlinkage long sys_set_mempolicy(int mode, const unsigned long __user *nmask, unsigned long maxnode); asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode, const unsigned long __user *from, const unsigned long __user *to); asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages, const void __user * __user *pages, const int __user *nodes, int __user *status, int flags); asmlinkage long sys_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig, siginfo_t __user *uinfo); asmlinkage long sys_perf_event_open( struct perf_event_attr __user *attr_uptr, pid_t pid, int cpu, int group_fd, unsigned long flags); asmlinkage long sys_accept4(int, struct sockaddr __user *, int __user *, int); asmlinkage long sys_recvmmsg(int fd, struct mmsghdr __user *msg, unsigned int vlen, unsigned flags, struct __kernel_timespec __user *timeout); asmlinkage long sys_recvmmsg_time32(int fd, struct mmsghdr __user *msg, unsigned int vlen, unsigned flags, struct old_timespec32 __user *timeout); asmlinkage long sys_wait4(pid_t pid, int __user *stat_addr, int options, struct rusage __user *ru); asmlinkage long sys_prlimit64(pid_t pid, unsigned int resource, const struct rlimit64 __user *new_rlim, struct rlimit64 __user *old_rlim); asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags); #if defined(CONFIG_ARCH_SPLIT_ARG64) asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags, unsigned int mask_1, unsigned int mask_2, int dfd, const char __user * pathname); #else asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags, u64 mask, int fd, const char __user *pathname); #endif asmlinkage long sys_name_to_handle_at(int dfd, const char __user *name, struct file_handle __user *handle, void __user *mnt_id, int flag); asmlinkage long sys_open_by_handle_at(int mountdirfd, struct file_handle __user *handle, int flags); asmlinkage long sys_clock_adjtime(clockid_t which_clock, struct __kernel_timex __user *tx); asmlinkage long sys_clock_adjtime32(clockid_t which_clock, struct old_timex32 __user *tx); asmlinkage long sys_syncfs(int fd); asmlinkage long sys_setns(int fd, int nstype); asmlinkage long sys_pidfd_open(pid_t pid, unsigned int flags); asmlinkage long sys_sendmmsg(int fd, struct mmsghdr __user *msg, unsigned int vlen, unsigned flags); asmlinkage long sys_process_vm_readv(pid_t pid, const struct iovec __user *lvec, unsigned long liovcnt, const struct iovec __user *rvec, unsigned long riovcnt, unsigned long flags); asmlinkage long sys_process_vm_writev(pid_t pid, const struct iovec __user *lvec, unsigned long liovcnt, const struct iovec __user *rvec, unsigned long riovcnt, unsigned long flags); asmlinkage long sys_kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2); asmlinkage long sys_finit_module(int fd, const char __user *uargs, int flags); asmlinkage long sys_sched_setattr(pid_t pid, struct sched_attr __user *attr, unsigned int flags); asmlinkage long sys_sched_getattr(pid_t pid, struct sched_attr __user *attr, unsigned int size, unsigned int flags); asmlinkage long sys_renameat2(int olddfd, const char __user *oldname, int newdfd, const char __user *newname, unsigned int flags); asmlinkage long sys_seccomp(unsigned int op, unsigned int flags, void __user *uargs); asmlinkage long sys_getrandom(char __user *buf, size_t count, unsigned int flags); asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags); asmlinkage long sys_bpf(int cmd, union bpf_attr __user *attr, unsigned int size); asmlinkage long sys_execveat(int dfd, const char __user *filename, const char __user *const __user *argv, const char __user *const __user *envp, int flags); asmlinkage long sys_userfaultfd(int flags); asmlinkage long sys_membarrier(int cmd, unsigned int flags, int cpu_id); asmlinkage long sys_mlock2(unsigned long start, size_t len, int flags); asmlinkage long sys_copy_file_range(int fd_in, loff_t __user *off_in, int fd_out, loff_t __user *off_out, size_t len, unsigned int flags); asmlinkage long sys_preadv2(unsigned long fd, const struct iovec __user *vec, unsigned long vlen, unsigned long pos_l, unsigned long pos_h, rwf_t flags); asmlinkage long sys_pwritev2(unsigned long fd, const struct iovec __user *vec, unsigned long vlen, unsigned long pos_l, unsigned long pos_h, rwf_t flags); asmlinkage long sys_pkey_mprotect(unsigned long start, size_t len, unsigned long prot, int pkey); asmlinkage long sys_pkey_alloc(unsigned long flags, unsigned long init_val); asmlinkage long sys_pkey_free(int pkey); asmlinkage long sys_statx(int dfd, const char __user *path, unsigned flags, unsigned mask, struct statx __user *buffer); asmlinkage long sys_rseq(struct rseq __user *rseq, uint32_t rseq_len, int flags, uint32_t sig); asmlinkage long sys_open_tree(int dfd, const char __user *path, unsigned flags); asmlinkage long sys_move_mount(int from_dfd, const char __user *from_path, int to_dfd, const char __user *to_path, unsigned int ms_flags); asmlinkage long sys_mount_setattr(int dfd, const char __user *path, unsigned int flags, struct mount_attr __user *uattr, size_t usize); asmlinkage long sys_fsopen(const char __user *fs_name, unsigned int flags); asmlinkage long sys_fsconfig(int fs_fd, unsigned int cmd, const char __user *key, const void __user *value, int aux); asmlinkage long sys_fsmount(int fs_fd, unsigned int flags, unsigned int ms_flags); asmlinkage long sys_fspick(int dfd, const char __user *path, unsigned int flags); asmlinkage long sys_pidfd_send_signal(int pidfd, int sig, siginfo_t __user *info, unsigned int flags); asmlinkage long sys_pidfd_getfd(int pidfd, int fd, unsigned int flags); asmlinkage long sys_landlock_create_ruleset(const struct landlock_ruleset_attr __user *attr, size_t size, __u32 flags); asmlinkage long sys_landlock_add_rule(int ruleset_fd, enum landlock_rule_type rule_type, const void __user *rule_attr, __u32 flags); asmlinkage long sys_landlock_restrict_self(int ruleset_fd, __u32 flags); asmlinkage long sys_memfd_secret(unsigned int flags); asmlinkage long sys_set_mempolicy_home_node(unsigned long start, unsigned long len, unsigned long home_node, unsigned long flags); asmlinkage long sys_cachestat(unsigned int fd, struct cachestat_range __user *cstat_range, struct cachestat __user *cstat, unsigned int flags); asmlinkage long sys_map_shadow_stack(unsigned long addr, unsigned long size, unsigned int flags); asmlinkage long sys_lsm_get_self_attr(unsigned int attr, struct lsm_ctx __user *ctx, u32 __user *size, u32 flags); asmlinkage long sys_lsm_set_self_attr(unsigned int attr, struct lsm_ctx __user *ctx, u32 size, u32 flags); asmlinkage long sys_lsm_list_modules(u64 __user *ids, u32 __user *size, u32 flags); /* * Architecture-specific system calls */ /* x86 */ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int on); asmlinkage long sys_uretprobe(void); /* pciconfig: alpha, arm, arm64, ia64, sparc */ asmlinkage long sys_pciconfig_read(unsigned long bus, unsigned long dfn, unsigned long off, unsigned long len, void __user *buf); asmlinkage long sys_pciconfig_write(unsigned long bus, unsigned long dfn, unsigned long off, unsigned long len, void __user *buf); asmlinkage long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn); /* powerpc */ asmlinkage long sys_spu_run(int fd, __u32 __user *unpc, __u32 __user *ustatus); asmlinkage long sys_spu_create(const char __user *name, unsigned int flags, umode_t mode, int fd); /* * Deprecated system calls which are still defined in * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch */ /* __ARCH_WANT_SYSCALL_NO_AT */ asmlinkage long sys_open(const char __user *filename, int flags, umode_t mode); asmlinkage long sys_link(const char __user *oldname, const char __user *newname); asmlinkage long sys_unlink(const char __user *pathname); asmlinkage long sys_mknod(const char __user *filename, umode_t mode, unsigned dev); asmlinkage long sys_chmod(const char __user *filename, umode_t mode); asmlinkage long sys_chown(const char __user *filename, uid_t user, gid_t group); asmlinkage long sys_mkdir(const char __user *pathname, umode_t mode); asmlinkage long sys_rmdir(const char __user *pathname); asmlinkage long sys_lchown(const char __user *filename, uid_t user, gid_t group); asmlinkage long sys_access(const char __user *filename, int mode); asmlinkage long sys_rename(const char __user *oldname, const char __user *newname); asmlinkage long sys_symlink(const char __user *old, const char __user *new); #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64) asmlinkage long sys_stat64(const char __user *filename, struct stat64 __user *statbuf); asmlinkage long sys_lstat64(const char __user *filename, struct stat64 __user *statbuf); #endif /* __ARCH_WANT_SYSCALL_NO_FLAGS */ asmlinkage long sys_pipe(int __user *fildes); asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd); asmlinkage long sys_epoll_create(int size); asmlinkage long sys_inotify_init(void); asmlinkage long sys_eventfd(unsigned int count); asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask); /* __ARCH_WANT_SYSCALL_OFF_T */ asmlinkage long sys_sendfile(int out_fd, int in_fd, off_t __user *offset, size_t count); asmlinkage long sys_newstat(const char __user *filename, struct stat __user *statbuf); asmlinkage long sys_newlstat(const char __user *filename, struct stat __user *statbuf); asmlinkage long sys_fadvise64(int fd, loff_t offset, size_t len, int advice); /* __ARCH_WANT_SYSCALL_DEPRECATED */ asmlinkage long sys_alarm(unsigned int seconds); asmlinkage long sys_getpgrp(void); asmlinkage long sys_pause(void); asmlinkage long sys_time(__kernel_old_time_t __user *tloc); asmlinkage long sys_time32(old_time32_t __user *tloc); #ifdef __ARCH_WANT_SYS_UTIME asmlinkage long sys_utime(char __user *filename, struct utimbuf __user *times); asmlinkage long sys_utimes(char __user *filename, struct __kernel_old_timeval __user *utimes); asmlinkage long sys_futimesat(int dfd, const char __user *filename, struct __kernel_old_timeval __user *utimes); #endif asmlinkage long sys_futimesat_time32(unsigned int dfd, const char __user *filename, struct old_timeval32 __user *t); asmlinkage long sys_utime32(const char __user *filename, struct old_utimbuf32 __user *t); asmlinkage long sys_utimes_time32(const char __user *filename, struct old_timeval32 __user *t); asmlinkage long sys_creat(const char __user *pathname, umode_t mode); asmlinkage long sys_getdents(unsigned int fd, struct linux_dirent __user *dirent, unsigned int count); asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp, struct __kernel_old_timeval __user *tvp); asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds, int timeout); asmlinkage long sys_epoll_wait(int epfd, struct epoll_event __user *events, int maxevents, int timeout); asmlinkage long sys_ustat(unsigned dev, struct ustat __user *ubuf); asmlinkage long sys_vfork(void); asmlinkage long sys_recv(int, void __user *, size_t, unsigned); asmlinkage long sys_send(int, void __user *, size_t, unsigned); asmlinkage long sys_oldumount(char __user *name); asmlinkage long sys_uselib(const char __user *library); asmlinkage long sys_sysfs(int option, unsigned long arg1, unsigned long arg2); asmlinkage long sys_fork(void); /* obsolete */ asmlinkage long sys_stime(__kernel_old_time_t __user *tptr); asmlinkage long sys_stime32(old_time32_t __user *tptr); /* obsolete */ asmlinkage long sys_sigpending(old_sigset_t __user *uset); asmlinkage long sys_sigprocmask(int how, old_sigset_t __user *set, old_sigset_t __user *oset); #ifdef CONFIG_OLD_SIGSUSPEND asmlinkage long sys_sigsuspend(old_sigset_t mask); #endif #ifdef CONFIG_OLD_SIGSUSPEND3 asmlinkage long sys_sigsuspend(int unused1, int unused2, old_sigset_t mask); #endif #ifdef CONFIG_OLD_SIGACTION asmlinkage long sys_sigaction(int, const struct old_sigaction __user *, struct old_sigaction __user *); #endif asmlinkage long sys_sgetmask(void); asmlinkage long sys_ssetmask(int newmask); asmlinkage long sys_signal(int sig, __sighandler_t handler); /* obsolete */ asmlinkage long sys_nice(int increment); /* obsolete */ asmlinkage long sys_kexec_file_load(int kernel_fd, int initrd_fd, unsigned long cmdline_len, const char __user *cmdline_ptr, unsigned long flags); /* obsolete */ asmlinkage long sys_waitpid(pid_t pid, int __user *stat_addr, int options); /* obsolete */ #ifdef CONFIG_HAVE_UID16 asmlinkage long sys_chown16(const char __user *filename, old_uid_t user, old_gid_t group); asmlinkage long sys_lchown16(const char __user *filename, old_uid_t user, old_gid_t group); asmlinkage long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t group); asmlinkage long sys_setregid16(old_gid_t rgid, old_gid_t egid); asmlinkage long sys_setgid16(old_gid_t gid); asmlinkage long sys_setreuid16(old_uid_t ruid, old_uid_t euid); asmlinkage long sys_setuid16(old_uid_t uid); asmlinkage long sys_setresuid16(old_uid_t ruid, old_uid_t euid, old_uid_t suid); asmlinkage long sys_getresuid16(old_uid_t __user *ruid, old_uid_t __user *euid, old_uid_t __user *suid); asmlinkage long sys_setresgid16(old_gid_t rgid, old_gid_t egid, old_gid_t sgid); asmlinkage long sys_getresgid16(old_gid_t __user *rgid, old_gid_t __user *egid, old_gid_t __user *sgid); asmlinkage long sys_setfsuid16(old_uid_t uid); asmlinkage long sys_setfsgid16(old_gid_t gid); asmlinkage long sys_getgroups16(int gidsetsize, old_gid_t __user *grouplist); asmlinkage long sys_setgroups16(int gidsetsize, old_gid_t __user *grouplist); asmlinkage long sys_getuid16(void); asmlinkage long sys_geteuid16(void); asmlinkage long sys_getgid16(void); asmlinkage long sys_getegid16(void); #endif /* obsolete */ asmlinkage long sys_socketcall(int call, unsigned long __user *args); /* obsolete */ asmlinkage long sys_stat(const char __user *filename, struct __old_kernel_stat __user *statbuf); asmlinkage long sys_lstat(const char __user *filename, struct __old_kernel_stat __user *statbuf); asmlinkage long sys_fstat(unsigned int fd, struct __old_kernel_stat __user *statbuf); asmlinkage long sys_readlink(const char __user *path, char __user *buf, int bufsiz); /* obsolete */ asmlinkage long sys_old_select(struct sel_arg_struct __user *arg); /* obsolete */ asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int); /* obsolete */ asmlinkage long sys_gethostname(char __user *name, int len); asmlinkage long sys_uname(struct old_utsname __user *); asmlinkage long sys_olduname(struct oldold_utsname __user *); #ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim); #endif /* obsolete */ asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second, unsigned long third, void __user *ptr, long fifth); /* obsolete */ asmlinkage long sys_mmap_pgoff(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff); asmlinkage long sys_old_mmap(struct mmap_arg_struct __user *arg); /* * Not a real system call, but a placeholder for syscalls which are * not implemented -- see kernel/sys_ni.c */ asmlinkage long sys_ni_syscall(void); #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */ asmlinkage long sys_ni_posix_timers(void); /* * Kernel code should not call syscalls (i.e., sys_xyzyyz()) directly. * Instead, use one of the functions which work equivalently, such as * the ksys_xyzyyz() functions prototyped below. */ ssize_t ksys_write(unsigned int fd, const char __user *buf, size_t count); int ksys_fchown(unsigned int fd, uid_t user, gid_t group); ssize_t ksys_read(unsigned int fd, char __user *buf, size_t count); void ksys_sync(void); int ksys_unshare(unsigned long unshare_flags); int ksys_setsid(void); int ksys_sync_file_range(int fd, loff_t offset, loff_t nbytes, unsigned int flags); ssize_t ksys_pread64(unsigned int fd, char __user *buf, size_t count, loff_t pos); ssize_t ksys_pwrite64(unsigned int fd, const char __user *buf, size_t count, loff_t pos); int ksys_fallocate(int fd, int mode, loff_t offset, loff_t len); #ifdef CONFIG_ADVISE_SYSCALLS int ksys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice); #else static inline int ksys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice) { return -EINVAL; } #endif unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff); ssize_t ksys_readahead(int fd, loff_t offset, size_t count); int ksys_ipc(unsigned int call, int first, unsigned long second, unsigned long third, void __user * ptr, long fifth); int compat_ksys_ipc(u32 call, int first, int second, u32 third, u32 ptr, u32 fifth); /* * The following kernel syscall equivalents are just wrappers to fs-internal * functions. Therefore, provide stubs to be inlined at the callsites. */ extern int do_fchownat(int dfd, const char __user *filename, uid_t user, gid_t group, int flag); static inline long ksys_chown(const char __user *filename, uid_t user, gid_t group) { return do_fchownat(AT_FDCWD, filename, user, group, 0); } static inline long ksys_lchown(const char __user *filename, uid_t user, gid_t group) { return do_fchownat(AT_FDCWD, filename, user, group, AT_SYMLINK_NOFOLLOW); } extern long do_sys_ftruncate(unsigned int fd, loff_t length, int small); static inline long ksys_ftruncate(unsigned int fd, loff_t length) { return do_sys_ftruncate(fd, length, 1); } extern long do_sys_truncate(const char __user *pathname, loff_t length); static inline long ksys_truncate(const char __user *pathname, loff_t length) { return do_sys_truncate(pathname, length); } static inline unsigned int ksys_personality(unsigned int personality) { unsigned int old = current->personality; if (personality != 0xffffffff) set_personality(personality); return old; } /* for __ARCH_WANT_SYS_IPC */ long ksys_semtimedop(int semid, struct sembuf __user *tsops, unsigned int nsops, const struct __kernel_timespec __user *timeout); long ksys_semget(key_t key, int nsems, int semflg); long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg); long ksys_msgget(key_t key, int msgflg); long ksys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf); long ksys_msgrcv(int msqid, struct msgbuf __user *msgp, size_t msgsz, long msgtyp, int msgflg); long ksys_msgsnd(int msqid, struct msgbuf __user *msgp, size_t msgsz, int msgflg); long ksys_shmget(key_t key, size_t size, int shmflg); long ksys_shmdt(char __user *shmaddr); long ksys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf); long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems, unsigned int nsops, const struct old_timespec32 __user *timeout); long __do_semtimedop(int semid, struct sembuf *tsems, unsigned int nsops, const struct timespec64 *timeout, struct ipc_namespace *ns); int __sys_getsockopt(int fd, int level, int optname, char __user *optval, int __user *optlen); int __sys_setsockopt(int fd, int level, int optname, char __user *optval, int optlen); #endif