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_flush_cache(void); 47 #ifndef __tilegx__ /* No mmap() in the 32-bit kernel. */ 48 #define sys_mmap sys_mmap 49 #endif 50 51 #ifndef __tilegx__ 52 /* mm/fault.c */ 53 long sys_cmpxchg_badaddr(unsigned long address, struct pt_regs *); 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 /* These are the intvec*.S trampolines. */ 66 long _sys_sigaltstack(const stack_t __user *, stack_t __user *); 67 long _sys_rt_sigreturn(void); 68 long _sys_clone(unsigned long clone_flags, unsigned long newsp, 69 void __user *parent_tid, void __user *child_tid); 70 long _sys_execve(const char __user *filename, 71 const char __user *const __user *argv, 72 const char __user *const __user *envp); 73 74 #include <asm-generic/syscalls.h> 75 76 #endif /* _ASM_TILE_SYSCALLS_H */ 77