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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
bcb28e42 PM |
2 | #include <linux/errno.h> |
3 | #include <linux/sched.h> | |
68db0cf1 | 4 | #include <linux/sched/task_stack.h> |
bcb28e42 PM |
5 | #include <linux/mm.h> |
6 | #include <linux/smp.h> | |
7 | #include <linux/sem.h> | |
8 | #include <linux/msg.h> | |
9 | #include <linux/shm.h> | |
10 | #include <linux/stat.h> | |
11 | #include <linux/syscalls.h> | |
12 | #include <linux/mman.h> | |
13 | #include <linux/file.h> | |
bcb28e42 PM |
14 | #include <linux/module.h> |
15 | #include <linux/fs.h> | |
16 | #include <linux/ipc.h> | |
17 | #include <asm/cacheflush.h> | |
7c0f6ba6 | 18 | #include <linux/uaccess.h> |
bcb28e42 | 19 | #include <asm/unistd.h> |
fa43972f | 20 | #include <asm/syscalls.h> |
bcb28e42 PM |
21 | |
22 | /* | |
23 | * sys_pipe() is the normal C calling standard for creating | |
24 | * a pipe. It's not the way Unix traditionally does this, though. | |
25 | */ | |
abafe5d9 | 26 | asmlinkage int sys_sh_pipe(void) |
bcb28e42 | 27 | { |
bcb28e42 PM |
28 | int fd[2]; |
29 | int error; | |
30 | ||
ed8cae8b | 31 | error = do_pipe_flags(fd, 0); |
bcb28e42 | 32 | if (!error) { |
abafe5d9 | 33 | current_pt_regs()->regs[1] = fd[1]; |
bcb28e42 PM |
34 | return fd[0]; |
35 | } | |
36 | return error; | |
37 | } | |
38 | ||
fa43972f | 39 | asmlinkage ssize_t sys_pread_wrapper(unsigned int fd, char __user *buf, |
bcb28e42 PM |
40 | size_t count, long dummy, loff_t pos) |
41 | { | |
42 | return sys_pread64(fd, buf, count, pos); | |
43 | } | |
44 | ||
fa43972f | 45 | asmlinkage ssize_t sys_pwrite_wrapper(unsigned int fd, const char __user *buf, |
bcb28e42 PM |
46 | size_t count, long dummy, loff_t pos) |
47 | { | |
48 | return sys_pwrite64(fd, buf, count, pos); | |
49 | } | |
50 | ||
51 | asmlinkage int sys_fadvise64_64_wrapper(int fd, u32 offset0, u32 offset1, | |
52 | u32 len0, u32 len1, int advice) | |
53 | { | |
54 | #ifdef __LITTLE_ENDIAN__ | |
55 | return sys_fadvise64_64(fd, (u64)offset1 << 32 | offset0, | |
56 | (u64)len1 << 32 | len0, advice); | |
57 | #else | |
58 | return sys_fadvise64_64(fd, (u64)offset0 << 32 | offset1, | |
59 | (u64)len0 << 32 | len1, advice); | |
60 | #endif | |
61 | } |