/home/lenb/src/to-linus-stable branch 'acpi-2.6.12'
[linux-2.6] / arch / alpha / mm / extable.c
1 /*
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
9 void sort_extable(struct exception_table_entry *start,
10                   struct exception_table_entry *finish)
11 {
12 }
13
14 const struct exception_table_entry *
15 search_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 }