arch/mn10300/mm/extable.c

   1 /* MN10300 In-kernel exception handling
   2  *
   3  * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
   4  * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public Licence
   8  * as published by the Free Software Foundation; either version
   9  * 2 of the Licence, or (at your option) any later version.
  10  */
  11 #include <linux/extable.h>
  12 #include <linux/spinlock.h>
  13 #include <linux/uaccess.h>
  14
  15 int fixup_exception(struct pt_regs *regs)
  16 {
  17         const struct exception_table_entry *fixup;
  18
  19         fixup = search_exception_tables(regs->pc);
  20         if (fixup) {
  21                 regs->pc = fixup->fixup;
  22                 return 1;
  23         }
  24
  25         return 0;
  26 }