diff options
Diffstat (limited to 'kernel/extable.c')
| -rw-r--r-- | kernel/extable.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/kernel/extable.c b/kernel/extable.c new file mode 100644 index 000000000000..e26ef5349d23 --- /dev/null +++ b/kernel/extable.c @@ -0,0 +1,51 @@ +/* Rewritten by Rusty Russell, on the backs of many others... + Copyright (C) 2001 Rusty Russell, 2002 Rusty Russell IBM. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ +#include <linux/module.h> +#include <linux/init.h> + +#include <asm/semaphore.h> + +extern const struct exception_table_entry __start___ex_table[]; +extern const struct exception_table_entry __stop___ex_table[]; +extern const struct kernel_symbol __start___ksymtab[]; +extern const struct kernel_symbol __stop___ksymtab[]; + +/* Protects extables and symbol tables */ +spinlock_t modlist_lock = SPIN_LOCK_UNLOCKED; + +/* The exception and symbol tables: start with kernel only. */ +LIST_HEAD(extables); +LIST_HEAD(symbols); + +static struct exception_table kernel_extable; +static struct kernel_symbol_group kernel_symbols; + +void __init extable_init(void) +{ + /* Add kernel symbols to symbol table */ + kernel_symbols.num_syms = (__stop___ksymtab - __start___ksymtab); + kernel_symbols.syms = __start___ksymtab; + list_add(&kernel_symbols.list, &symbols); + + /* Add kernel exception table to exception tables */ + kernel_extable.num_entries = (__stop___ex_table -__start___ex_table); + kernel_extable.entry = __start___ex_table; + list_add(&kernel_extable.list, &extables); +} + + |