ia64/xen-unstable

view xen/arch/ia64/linux/linuxextable.c @ 9003:5e751dddf4d0

[IA64] cleanup warning in xen/ia64 (arch/ia64/linux)

These patches fix many issue (ex. panic dom0, oops domU/dom0...).
we will fix compile warnnings one step at a time.

Signed-off-by: Tsunehisa Doi <doi.tsunehisa@jp.fujitsu.com>
Signed-off-by: Kouya SHIMURA <kouya@jp.fujitsu.com>
Signed-off-by: Masaki Kanno <kanno.masaki@jp.fujitsu.com>
Signed-off-by: Akio Takebe <takebe_akio@jp.fujitsu.com>
author awilliam@xenbuild.aw
date Tue Feb 28 10:24:03 2006 -0700 (2006-02-28)
parents 9312a3e8a6f8
children
line source
1 /* Rewritten by Rusty Russell, on the backs of many others...
2 Copyright (C) 2001 Rusty Russell, 2002 Rusty Russell IBM.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18 #include <linux/module.h>
19 #include <linux/init.h>
20 #include <asm/uaccess.h>
21 #include <asm/sections.h>
23 extern void *search_module_extables(unsigned long addr);
24 extern void *__module_text_address(unsigned long addr);
25 extern void *module_text_address(unsigned long addr);
27 extern struct exception_table_entry __start___ex_table[];
28 extern struct exception_table_entry __stop___ex_table[];
30 /* Sort the kernel's built-in exception table */
31 void __init sort_main_extable(void)
32 {
33 sort_extable(__start___ex_table, __stop___ex_table);
34 }
36 /* Given an address, look for it in the exception tables. */
37 const struct exception_table_entry *search_exception_tables(unsigned long addr)
38 {
39 const struct exception_table_entry *e;
41 e = search_extable(__start___ex_table, __stop___ex_table-1, addr);
42 if (!e)
43 e = search_module_extables(addr);
44 return e;
45 }
47 static int core_kernel_text(unsigned long addr)
48 {
49 if (addr >= (unsigned long)_stext &&
50 addr <= (unsigned long)_etext)
51 return 1;
53 if (addr >= (unsigned long)_sinittext &&
54 addr <= (unsigned long)_einittext)
55 return 1;
56 return 0;
57 }
59 int __kernel_text_address(unsigned long addr)
60 {
61 if (core_kernel_text(addr))
62 return 1;
63 return __module_text_address(addr) != NULL;
64 }
66 int kernel_text_address(unsigned long addr)
67 {
68 if (core_kernel_text(addr))
69 return 1;
70 return module_text_address(addr) != NULL;
71 }