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