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 /* The array of function pointers for syscalls. */
  28 extern void *sys_call_table[];
  29 #ifdef CONFIG_COMPAT
  30 extern 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; a
  36  * _sys_xxx() trampoline in intvec*.S just sets up the pointer and
  37  * jumps to sys_xxx().
  38  */
  39
  40 /* kernel/sys.c */
  41 ssize_t sys32_readahead(int fd, u32 offset_lo, u32 offset_hi, u32 count);
  42 long sys32_fadvise64(int fd, u32 offset_lo, u32 offset_hi,
  43                      u32 len, int advice);
  44 int sys32_fadvise64_64(int fd, u32 offset_lo, u32 offset_hi,
  45                        u32 len_lo, u32 len_hi, int advice);
  46 long sys_cacheflush(unsigned long addr, unsigned long len,
  47                     unsigned long flags);
  48 #ifndef __tilegx__  /* No mmap() in the 32-bit kernel. */
  49 #define sys_mmap sys_mmap
  50 #endif
  51
  52 #ifndef __tilegx__
  53 /* mm/fault.c */
  54 long sys_cmpxchg_badaddr(unsigned long address);
  55 #endif
  56
  57 #ifdef CONFIG_COMPAT
  58 /* These four are not defined for 64-bit, but serve as "compat" syscalls. */
  59 long sys_fcntl64(unsigned int fd, unsigned int cmd, unsigned long arg);
  60 long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf);
  61 long sys_truncate64(const char __user *path, loff_t length);
  62 long sys_ftruncate64(unsigned int fd, loff_t length);
  63 #endif
  64
  65 /* Provide versions of standard syscalls that use current_pt_regs(). */
  66 long sys_clone(unsigned long clone_flags, unsigned long newsp,
  67                 void __user *parent_tid, void __user *child_tid);
  68 long sys_execve(const char __user *filename,
  69                  const char __user *const __user *argv,
  70                  const char __user *const __user *envp);
  71 long sys_rt_sigreturn(void);
  72 long sys_sigaltstack(const stack_t __user *, stack_t __user *);
  73 #define sys_clone sys_clone
  74 #define sys_execve sys_execve
  75 #define sys_rt_sigreturn sys_rt_sigreturn
  76 #define sys_sigaltstack sys_sigaltstack
  77
  78 /* These are the intvec*.S trampolines. */
  79 long _sys_rt_sigreturn(void);
  80 long _sys_clone(unsigned long clone_flags, unsigned long newsp,
  81                 void __user *parent_tid, void __user *child_tid);
  82
  83 #include <asm-generic/syscalls.h>
  84
  85 #endif /* _ASM_TILE_SYSCALLS_H */