LXR linux/arch/tile/include/asm/syscalls.h

   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/*
  28 * Note that by convention, any syscall which requires the current
  29 * register set takes an additional "struct pt_regs *" pointer; a
  30 * _sys_xxx() trampoline in intvec*.S just sets up the pointer and
  31 * jumps to sys_xxx().
  32 */
  33
  34/* kernel/sys.c */
  35ssize_t sys32_readahead(int fd, u32 offset_lo, u32 offset_hi, u32 count);
  36long sys32_fadvise64(int fd, u32 offset_lo, u32 offset_hi,
  37                     u32 len, int advice);
  38int sys32_fadvise64_64(int fd, u32 offset_lo, u32 offset_hi,
  39                       u32 len_lo, u32 len_hi, int advice);
  40long sys_cacheflush(unsigned long addr, unsigned long len,
  41                    unsigned long flags);
  42#ifndef __tilegx__  /* No mmap() in the 32-bit kernel. */
  43#define sys_mmap sys_mmap
  44#endif
  45
  46#ifndef __tilegx__
  47/* mm/fault.c */
  48long sys_cmpxchg_badaddr(unsigned long address);
  49#endif
  50
  51#ifdef CONFIG_COMPAT
  52/* These four are not defined for 64-bit, but serve as "compat" syscalls. */
  53long sys_fcntl64(unsigned int fd, unsigned int cmd, unsigned long arg);
  54long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf);
  55long sys_truncate64(const char __user *path, loff_t length);
  56long sys_ftruncate64(unsigned int fd, loff_t length);
  57#endif
  58
  59/* Provide versions of standard syscalls that use current_pt_regs(). */
  60long sys_rt_sigreturn(void);
  61#define sys_rt_sigreturn sys_rt_sigreturn
  62
  63/* These are the intvec*.S trampolines. */
  64long _sys_rt_sigreturn(void);
  65long _sys_clone(unsigned long clone_flags, unsigned long newsp,
  66                void __user *parent_tid, void __user *child_tid);
  67
  68#include <asm-generic/syscalls.h>
  69
  70#endif /* _ASM_TILE_SYSCALLS_H */
  71