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 */
sys_sh_pipe(void)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
sys_pread_wrapper(unsigned int fd,char __user * buf,size_t count,long dummy,loff_t pos)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
sys_pwrite_wrapper(unsigned int fd,const char __user * buf,size_t count,long dummy,loff_t pos)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
sys_fadvise64_64_wrapper(int fd,u32 offset0,u32 offset1,u32 len0,u32 len1,int advice)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