xref: /openbmc/linux/arch/nios2/mm/extable.c (revision e3b9f1e8)
1 /*
2  * Copyright (C) 2010, Tobias Klauser <tklauser@distanz.ch>
3  * Copyright (C) 2009, Wind River Systems Inc
4  *   Implemented by fredrik.markstrom@gmail.com and ivarholmqvist@gmail.com
5  *
6  * This file is subject to the terms and conditions of the GNU General Public
7  * License.  See the file "COPYING" in the main directory of this archive
8  * for more details.
9  */
10 
11 #include <linux/extable.h>
12 #include <linux/uaccess.h>
13 
14 int fixup_exception(struct pt_regs *regs)
15 {
16 	const struct exception_table_entry *fixup;
17 
18 	fixup = search_exception_tables(regs->ea);
19 	if (fixup) {
20 		regs->ea = fixup->fixup;
21 		return 1;
22 	}
23 
24 	return 0;
25 }
26