diff options
Diffstat (limited to 'include/linux/syscalls.h')
| -rw-r--r-- | include/linux/syscalls.h | 45 |
1 files changed, 31 insertions, 14 deletions
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 37bea07c12f2..7688bc983de5 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -251,6 +251,30 @@ static inline int is_syscall_trace_event(struct trace_event_call *tp_event) 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_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_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 + /* * Called before coming back to user-mode. Returning to user-mode with an * address limit different than USER_DS can allow to overwrite kernel memory. @@ -317,7 +341,7 @@ 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 sigset_t __user *sig, size_t sigsz); + 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); @@ -362,6 +386,11 @@ 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); /* fs/fcntl.c */ asmlinkage long sys_dup(unsigned int fildes); @@ -744,7 +773,7 @@ asmlinkage long sys_settimeofday(struct __kernel_old_timeval __user *tv, asmlinkage long sys_adjtimex(struct __kernel_timex __user *txc_p); asmlinkage long sys_adjtimex_time32(struct old_timex32 __user *txc_p); -/* kernel/timer.c */ +/* kernel/sys.c */ asmlinkage long sys_getpid(void); asmlinkage long sys_getppid(void); asmlinkage long sys_getuid(void); @@ -1295,18 +1324,6 @@ static inline long ksys_ftruncate(unsigned int fd, loff_t length) return do_sys_ftruncate(fd, length, 1); } -extern int __close_fd(struct files_struct *files, unsigned int fd); - -/* - * In contrast to sys_close(), this stub does not check whether the syscall - * should or should not be restarted, but returns the raw error codes from - * __close_fd(). - */ -static inline int ksys_close(unsigned int fd) -{ - return __close_fd(current->files, fd); -} - extern long do_sys_truncate(const char __user *pathname, loff_t length); static inline long ksys_truncate(const char __user *pathname, loff_t length) |