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

   1/*
   2 * linux/arch/alpha/mm/extable.c
   3 */
   4
   5#include <linux/module.h>
   6#include <asm/uaccess.h>
   7
   8void sort_extable(struct exception_table_entry *start,
   9                  struct exception_table_entry *finish)
  10{
  11}
  12
  13const struct exception_table_entry *
  14search_extable(const struct exception_table_entry *first,
  15               const struct exception_table_entry *last,
  16               unsigned long value)
  17{
  18        while (first <= last) {
  19                const struct exception_table_entry *mid;
  20                unsigned long mid_value;
  21
  22                mid = (last - first) / 2 + first;
  23                mid_value = (unsigned long)&mid->insn + mid->insn;
  24                if (mid_value == value)
  25                        return mid;
  26                else if (mid_value < value)
  27                        first = mid+1;
  28                else
  29                        last = mid-1;
  30        }
  31
  32        return NULL;
  33}
  34