1 #include <linux/errno.h> 2 #include <linux/sched.h> 3 #include <linux/sched/task_stack.h> 4 #include <linux/mm.h> 5 #include <linux/smp.h> 6 #include <linux/sem.h> 7 #include <linux/msg.h> 8 #include <linux/shm.h> 9 #include <linux/stat.h> 10 #include <linux/syscalls.h> 11 #include <linux/mman.h> 12 #include <linux/file.h> 13 #include <linux/module.h> 14 #include <linux/fs.h> 15 #include <linux/ipc.h> 16 #include <asm/cacheflush.h> 17 #include <linux/uaccess.h> 18 #include <asm/unistd.h> 19 #include <asm/syscalls.h> 20 21 /* 22 * sys_pipe() is the normal C calling standard for creating 23 * a pipe. It's not the way Unix traditionally does this, though. 24 */ 25 asmlinkage int sys_sh_pipe(void) 26 { 27 int fd[2]; 28 int error; 29 30 error = do_pipe_flags(fd, 0); 31 if (!error) { 32 current_pt_regs()->regs[1] = fd[1]; 33 return fd[0]; 34 } 35 return error; 36 } 37 38 asmlinkage ssize_t sys_pread_wrapper(unsigned int fd, char __user *buf, 39 size_t count, long dummy, loff_t pos) 40 { 41 return sys_pread64(fd, buf, count, pos); 42 } 43 44 asmlinkage ssize_t sys_pwrite_wrapper(unsigned int fd, const char __user *buf, 45 size_t count, long dummy, loff_t pos) 46 { 47 return sys_pwrite64(fd, buf, count, pos); 48 } 49 50 asmlinkage int sys_fadvise64_64_wrapper(int fd, u32 offset0, u32 offset1, 51 u32 len0, u32 len1, int advice) 52 { 53 #ifdef __LITTLE_ENDIAN__ 54 return sys_fadvise64_64(fd, (u64)offset1 << 32 | offset0, 55 (u64)len1 << 32 | len0, advice); 56 #else 57 return sys_fadvise64_64(fd, (u64)offset0 << 32 | offset1, 58 (u64)len0 << 32 | len1, advice); 59 #endif 60 } 61