xref: /linux/include/asm-generic/syscalls.h (revision b889fcf63cb62e7fdb7816565e28f44dbe4a76a5)
1 #ifndef __ASM_GENERIC_SYSCALLS_H
2 #define __ASM_GENERIC_SYSCALLS_H
3 
4 #include <linux/compiler.h>
5 #include <linux/linkage.h>
6 
7 /*
8  * Calling conventions for these system calls can differ, so
9  * it's possible to override them.
10  */
11 
12 #ifndef sys_mmap2
13 asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
14 			unsigned long prot, unsigned long flags,
15 			unsigned long fd, unsigned long pgoff);
16 #endif
17 
18 #ifndef sys_mmap
19 asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
20 			unsigned long prot, unsigned long flags,
21 			unsigned long fd, off_t pgoff);
22 #endif
23 
24 #ifndef sys_sigaltstack
25 asmlinkage long sys_sigaltstack(const stack_t __user *, stack_t __user *,
26 			struct pt_regs *);
27 #endif
28 
29 #ifndef sys_rt_sigreturn
30 asmlinkage long sys_rt_sigreturn(struct pt_regs *regs);
31 #endif
32 
33 #ifndef sys_rt_sigsuspend
34 asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
35 #endif
36 
37 #ifndef sys_rt_sigaction
38 asmlinkage long sys_rt_sigaction(int sig, const struct sigaction __user *act,
39 			 struct sigaction __user *oact, size_t sigsetsize);
40 #endif
41 
42 #endif /* __ASM_GENERIC_SYSCALLS_H */
43