| 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(unsigned long r4, unsigned long r5, |
| 25 | unsigned long r6, unsigned long r7, |
| 26 | struct pt_regs __regs) |
| 27 | { |
| 28 | struct pt_regs *regs = RELOC_HIDE(&__regs, 0); |
| 29 | int fd[2]; |
| 30 | int error; |
| 31 | |
| 32 | error = do_pipe_flags(fd, 0); |
| 33 | if (!error) { |
| 34 | regs->regs[1] = fd[1]; |
| 35 | return fd[0]; |
| 36 | } |
| 37 | return error; |
| 38 | } |
| 39 | |
| 40 | asmlinkage ssize_t sys_pread_wrapper(unsigned int fd, char __user *buf, |
| 41 | size_t count, long dummy, loff_t pos) |
| 42 | { |
| 43 | return sys_pread64(fd, buf, count, pos); |
| 44 | } |
| 45 | |
| 46 | asmlinkage ssize_t sys_pwrite_wrapper(unsigned int fd, const char __user *buf, |
| 47 | size_t count, long dummy, loff_t pos) |
| 48 | { |
| 49 | return sys_pwrite64(fd, buf, count, pos); |
| 50 | } |
| 51 | |
| 52 | asmlinkage int sys_fadvise64_64_wrapper(int fd, u32 offset0, u32 offset1, |
| 53 | u32 len0, u32 len1, int advice) |
| 54 | { |
| 55 | #ifdef __LITTLE_ENDIAN__ |
| 56 | return sys_fadvise64_64(fd, (u64)offset1 << 32 | offset0, |
| 57 | (u64)len1 << 32 | len0, advice); |
| 58 | #else |
| 59 | return sys_fadvise64_64(fd, (u64)offset0 << 32 | offset1, |
| 60 | (u64)len0 << 32 | len1, advice); |
| 61 | #endif |
| 62 | } |