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/arch/alpha/mm/extable.c

https://bitbucket.org/evzijst/gittest
C | 34 lines | 26 code | 5 blank | 3 comment | 5 complexity | 072fb1621e84acd46dd16b70a0bda981 MD5 | raw file
 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
 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}