include/linux/extable.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _LINUX_EXTABLE_H
   3 #define _LINUX_EXTABLE_H
   4
   5 #include <linux/stddef.h>       /* for NULL */
   6 #include <linux/types.h>
   7
   8 struct module;
   9 struct exception_table_entry;
  10
  11 const struct exception_table_entry *
  12 search_extable(const struct exception_table_entry *base,
  13                const size_t num,
  14                unsigned long value);
  15 void sort_extable(struct exception_table_entry *start,
  16                   struct exception_table_entry *finish);
  17 void sort_main_extable(void);
  18 void trim_init_extable(struct module *m);
  19
  20 /* Given an address, look for it in the exception tables */
  21 const struct exception_table_entry *search_exception_tables(unsigned long add);
  22
  23 #ifdef CONFIG_MODULES
  24 /* For extable.c to search modules' exception tables. */
  25 const struct exception_table_entry *search_module_extables(unsigned long addr);
  26 #else
  27 static inline const struct exception_table_entry *
  28 search_module_extables(unsigned long addr)
  29 {
  30         return NULL;
  31 }
  32 #endif /*CONFIG_MODULES*/
  33
  34 #endif /* _LINUX_EXTABLE_H */