| /* |
| * Copyright 2010 Tilera Corporation. All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation, version 2. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or |
| * NON INFRINGEMENT. See the GNU General Public License for |
| * more details. |
| */ |
| |
| #ifndef _ASM_TILE_SECTIONS_H |
| #define _ASM_TILE_SECTIONS_H |
| |
| #define arch_is_kernel_data arch_is_kernel_data |
| |
| #include <asm-generic/sections.h> |
| |
| /* Text and data are at different areas in the kernel VA space. */ |
| extern char _sinitdata[], _einitdata[]; |
| |
| /* Write-once data is writable only till the end of initialization. */ |
| extern char __w1data_begin[], __w1data_end[]; |
| |
| |
| /* Not exactly sections, but PC comparison points in the code. */ |
| extern char __rt_sigreturn[], __rt_sigreturn_end[]; |
| #ifndef __tilegx__ |
| extern char sys_cmpxchg[], __sys_cmpxchg_end[]; |
| extern char __sys_cmpxchg_grab_lock[]; |
| extern char __start_atomic_asm_code[], __end_atomic_asm_code[]; |
| #endif |
| |
| /* Handle the discontiguity between _sdata and _stext. */ |
| static inline int arch_is_kernel_data(unsigned long addr) |
| { |
| return addr >= (unsigned long)_sdata && |
| addr < (unsigned long)_end; |
| } |
| |
| #endif /* _ASM_TILE_SECTIONS_H */ |
