xref: /openbmc/linux/arch/riscv/mm/extable.c (revision d9fd5a71)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
4  *  Lennox Wu <lennox.wu@sunplusct.com>
5  *  Chen Liqin <liqin.chen@sunplusct.com>
6  * Copyright (C) 2013 Regents of the University of California
7  */
8 
9 
10 #include <linux/extable.h>
11 #include <linux/module.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->epc);
19 	if (fixup) {
20 		regs->epc = fixup->fixup;
21 		return 1;
22 	}
23 	return 0;
24 }
25