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Chris Metcalf867e3592010-05-28 23:09:12 -04001/*
2 * Copyright 2010 Tilera Corporation. All Rights Reserved.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation, version 2.
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
11 * NON INFRINGEMENT. See the GNU General Public License for
12 * more details.
13 */
14
Paul Gortmaker18bfd3e2016-09-19 17:34:39 -040015#include <linux/extable.h>
Chris Metcalf867e3592010-05-28 23:09:12 -040016#include <linux/spinlock.h>
17#include <linux/uaccess.h>
18
19int fixup_exception(struct pt_regs *regs)
20{
21 const struct exception_table_entry *fixup;
22
23 fixup = search_exception_tables(regs->pc);
24 if (fixup) {
25 regs->pc = fixup->fixup;
26 return 1;
27 }
28
29 return 0;
30}