LXR linux/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
   8struct module;
   9struct exception_table_entry;
  10
  11const struct exception_table_entry *
  12search_extable(const struct exception_table_entry *base,
  13               const size_t num,
  14               unsigned long value);
  15void sort_extable(struct exception_table_entry *start,
  16                  struct exception_table_entry *finish);
  17void sort_main_extable(void);
  18void trim_init_extable(struct module *m);
  19
  20/* Given an address, look for it in the exception tables */
  21const struct exception_table_entry *search_exception_tables(unsigned long add);
  22const struct exception_table_entry *
  23search_kernel_exception_table(unsigned long addr);
  24
  25#ifdef CONFIG_MODULES
  26/* For extable.c to search modules' exception tables. */
  27const struct exception_table_entry *search_module_extables(unsigned long addr);
  28#else
  29static inline const struct exception_table_entry *
  30search_module_extables(unsigned long addr)
  31{
  32        return NULL;
  33}
  34#endif /*CONFIG_MODULES*/
  35
  36#ifdef CONFIG_BPF_JIT
  37const struct exception_table_entry *search_bpf_extables(unsigned long addr);
  38#else
  39static inline const struct exception_table_entry *
  40search_bpf_extables(unsigned long addr)
  41{
  42        return NULL;
  43}
  44#endif
  45
  46#endif /* _LINUX_EXTABLE_H */
  47