arch/nios2/mm/extable.c

   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 }