LXR linux/arch/tile/mm/extable.c

   1/*
   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
  15#include <linux/module.h>
  16#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}
  31