blob: c3849baebd575e06683e706c2710dbf13f596480 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/arch/alpha/mm/extable.c
3 */
4
5#include <linux/config.h>
6#include <linux/module.h>
7#include <asm/uaccess.h>
8
9void sort_extable(struct exception_table_entry *start,
10 struct exception_table_entry *finish)
11{
12}
13
14const struct exception_table_entry *
15search_extable(const struct exception_table_entry *first,
16 const struct exception_table_entry *last,
17 unsigned long value)
18{
19 while (first <= last) {
20 const struct exception_table_entry *mid;
21 unsigned long mid_value;
22
23 mid = (last - first) / 2 + first;
24 mid_value = (unsigned long)&mid->insn + mid->insn;
25 if (mid_value == value)
26 return mid;
27 else if (mid_value < value)
28 first = mid+1;
29 else
30 last = mid-1;
31 }
32
33 return NULL;
34}