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
19 #include <lwk/extable.h>
20 #include <arch/uaccess.h>
21 #include <arch/sections.h>
23 extern struct exception_table_entry __start___ex_table[];
24 extern struct exception_table_entry __stop___ex_table[];
26 /* Sort the kernel's built-in exception table */
27 void __init sort_exception_table(void)
29 sort_extable(__start___ex_table, __stop___ex_table);
32 /* Given an address, look for it in the exception table. */
33 const struct exception_table_entry *search_exception_table(unsigned long addr)
35 const struct exception_table_entry *e;
37 e = search_extable(__start___ex_table, __stop___ex_table-1, addr);
41 int core_kernel_text(unsigned long addr)
43 if (addr >= (unsigned long)_stext &&
44 addr <= (unsigned long)_etext)
47 if (addr >= (unsigned long)_sinittext &&
48 addr <= (unsigned long)_einittext)
53 int __kernel_text_address(unsigned long addr)
55 if (core_kernel_text(addr))
60 int kernel_text_address(unsigned long addr)
62 if (core_kernel_text(addr))