1/* 2 * syscalls.h - Linux syscall interfaces (arch-specific) 3 * 4 * Copyright (c) 2008 Jaswinder Singh Rajput 5 * Copyright 2010 Tilera Corporation. All Rights Reserved. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation, version 2. 10 * 11 * This program is distributed in the hope that it will be useful, but 12 * WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or 14 * NON INFRINGEMENT. See the GNU General Public License for 15 * more details. 16 */ 17 18#ifndef _ASM_TILE_SYSCALLS_H 19#define _ASM_TILE_SYSCALLS_H 20 21#include <linux/compiler.h> 22#include <linux/linkage.h> 23#include <linux/signal.h> 24#include <linux/types.h> 25#include <linux/compat.h> 26 27/* The array of function pointers for syscalls. */ 28extern void *sys_call_table[]; 29#ifdef CONFIG_COMPAT 30extern void *compat_sys_call_table[]; 31#endif 32 33/* 34 * Note that by convention, any syscall which requires the current 35 * register set takes an additional "struct pt_regs *" pointer; the 36 * sys_xxx() function just adds the pointer and tail-calls to _sys_xxx(). 37 */ 38 39/* kernel/sys.c */ 40ssize_t sys32_readahead(int fd, u32 offset_lo, u32 offset_hi, u32 count); 41long sys32_fadvise64(int fd, u32 offset_lo, u32 offset_hi, 42 u32 len, int advice); 43int sys32_fadvise64_64(int fd, u32 offset_lo, u32 offset_hi, 44 u32 len_lo, u32 len_hi, int advice); 45long sys_flush_cache(void); 46long sys_mmap2(unsigned long addr, unsigned long len, 47 unsigned long prot, unsigned long flags, 48 unsigned long fd, unsigned long pgoff); 49#ifdef __tilegx__ 50long sys_mmap(unsigned long addr, unsigned long len, 51 unsigned long prot, unsigned long flags, 52 unsigned long fd, off_t pgoff); 53#endif 54 55/* kernel/process.c */ 56long sys_clone(unsigned long clone_flags, unsigned long newsp, 57 void __user *parent_tid, void __user *child_tid); 58long _sys_clone(unsigned long clone_flags, unsigned long newsp, 59 void __user *parent_tid, void __user *child_tid, 60 struct pt_regs *regs); 61long sys_fork(void); 62long _sys_fork(struct pt_regs *regs); 63long sys_vfork(void); 64long _sys_vfork(struct pt_regs *regs); 65long sys_execve(const char __user *filename, 66 const char __user *const __user *argv, 67 const char __user *const __user *envp); 68long _sys_execve(const char __user *filename, 69 const char __user *const __user *argv, 70 const char __user *const __user *envp, struct pt_regs *regs); 71 72/* kernel/signal.c */ 73long sys_sigaltstack(const stack_t __user *, stack_t __user *); 74long _sys_sigaltstack(const stack_t __user *, stack_t __user *, 75 struct pt_regs *); 76long sys_rt_sigreturn(void); 77long _sys_rt_sigreturn(struct pt_regs *regs); 78 79/* platform-independent functions */ 80long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize); 81long sys_rt_sigaction(int sig, const struct sigaction __user *act, 82 struct sigaction __user *oact, size_t sigsetsize); 83 84#ifndef __tilegx__ 85/* mm/fault.c */ 86int sys_cmpxchg_badaddr(unsigned long address); 87int _sys_cmpxchg_badaddr(unsigned long address, struct pt_regs *); 88#endif 89 90#ifdef CONFIG_COMPAT 91long compat_sys_execve(const char __user *path, 92 const compat_uptr_t __user *argv, 93 const compat_uptr_t __user *envp); 94long _compat_sys_execve(const char __user *path, 95 const compat_uptr_t __user *argv, 96 const compat_uptr_t __user *envp, 97 struct pt_regs *regs); 98long compat_sys_sigaltstack(const struct compat_sigaltstack __user *uss_ptr, 99 struct compat_sigaltstack __user *uoss_ptr); 100long _compat_sys_sigaltstack(const struct compat_sigaltstack __user *uss_ptr, 101 struct compat_sigaltstack __user *uoss_ptr, 102 struct pt_regs *regs); 103long compat_sys_rt_sigreturn(void); 104long _compat_sys_rt_sigreturn(struct pt_regs *regs); 105 106/* These four are not defined for 64-bit, but serve as "compat" syscalls. */ 107long sys_fcntl64(unsigned int fd, unsigned int cmd, unsigned long arg); 108long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf); 109long sys_truncate64(const char __user *path, loff_t length); 110long sys_ftruncate64(unsigned int fd, loff_t length); 111#endif 112 113#endif /* _ASM_TILE_SYSCALLS_H */ 114