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traps.h
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1 /*
2  * Based on arch/arm/include/asm/traps.h
3  *
4  * Copyright (C) 2012 ARM Ltd.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
17  */
18 #ifndef __ASM_TRAP_H
19 #define __ASM_TRAP_H
20 
21 static inline int in_exception_text(unsigned long ptr)
22 {
23  extern char __exception_text_start[];
24  extern char __exception_text_end[];
25 
26  return ptr >= (unsigned long)&__exception_text_start &&
27  ptr < (unsigned long)&__exception_text_end;
28 }
29 
30 #endif