release/src-rt-6.x.4708/linux/linux-2.6.36/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; the
  36  * sys_xxx() function just adds the pointer and tail-calls to _sys_xxx().
  37  */
  38
  39 /* kernel/sys.c */
  40 ssize_t sys32_readahead(int fd, u32 offset_lo, u32 offset_hi, u32 count);
  41 long sys32_fadvise64(int fd, u32 offset_lo, u32 offset_hi,
  42                      u32 len, int advice);
  43 int sys32_fadvise64_64(int fd, u32 offset_lo, u32 offset_hi,
  44                        u32 len_lo, u32 len_hi, int advice);
  45 long sys_flush_cache(void);
  46 long 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__
  50 long 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 */
  56 long sys_clone(unsigned long clone_flags, unsigned long newsp,
  57                void __user *parent_tid, void __user *child_tid);
  58 long _sys_clone(unsigned long clone_flags, unsigned long newsp,
  59                 void __user *parent_tid, void __user *child_tid,
  60                 struct pt_regs *regs);
  61 long sys_fork(void);
  62 long _sys_fork(struct pt_regs *regs);
  63 long sys_vfork(void);
  64 long _sys_vfork(struct pt_regs *regs);
  65 long sys_execve(const char __user *filename,
  66                 const char __user *const __user *argv,
  67                 const char __user *const __user *envp);
  68 long _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 */
  73 long sys_sigaltstack(const stack_t __user *, stack_t __user *);
  74 long _sys_sigaltstack(const stack_t __user *, stack_t __user *,
  75                       struct pt_regs *);
  76 long sys_rt_sigreturn(void);
  77 long _sys_rt_sigreturn(struct pt_regs *regs);
  78
  79 /* platform-independent functions */
  80 long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
  81 long 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 */
  86 int sys_cmpxchg_badaddr(unsigned long address);
  87 int _sys_cmpxchg_badaddr(unsigned long address, struct pt_regs *);
  88 #endif
  89
  90 #ifdef CONFIG_COMPAT
  91 long compat_sys_execve(const char __user *path,
  92                        const compat_uptr_t __user *argv,
  93                        const compat_uptr_t __user *envp);
  94 long _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);
  98 long compat_sys_sigaltstack(const struct compat_sigaltstack __user *uss_ptr,
  99                             struct compat_sigaltstack __user *uoss_ptr);
 100 long _compat_sys_sigaltstack(const struct compat_sigaltstack __user *uss_ptr,
 101                              struct compat_sigaltstack __user *uoss_ptr,
 102                              struct pt_regs *regs);
 103 long compat_sys_rt_sigreturn(void);
 104 long _compat_sys_rt_sigreturn(struct pt_regs *regs);
 105
 106 /* These four are not defined for 64-bit, but serve as "compat" syscalls. */
 107 long sys_fcntl64(unsigned int fd, unsigned int cmd, unsigned long arg);
 108 long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf);
 109 long sys_truncate64(const char __user *path, loff_t length);
 110 long sys_ftruncate64(unsigned int fd, loff_t length);
 111 #endif
 112
 113 #endif /* _ASM_TILE_SYSCALLS_H */