diff options
Diffstat (limited to 'kernel/extable.c')
| -rw-r--r-- | kernel/extable.c | 41 |
1 files changed, 16 insertions, 25 deletions
diff --git a/kernel/extable.c b/kernel/extable.c index e26ef5349d23..388995324d1c 100644 --- a/kernel/extable.c +++ b/kernel/extable.c @@ -16,36 +16,27 @@ 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; +extern char _stext[], _etext[]; -void __init extable_init(void) +/* Given an address, look for it in the exception tables. */ +const struct exception_table_entry *search_exception_tables(unsigned long addr) { - /* 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); + const struct exception_table_entry *e; + + e = search_extable(__start___ex_table, __stop___ex_table-1, addr); + if (!e) + e = search_module_extables(addr); + return e; } +int kernel_text_address(unsigned long addr) +{ + if (addr >= (unsigned long)_stext && + addr <= (unsigned long)_etext) + return 1; + return module_text_address(addr); +} |