LXR linux/include/linux/moduleloader.h

   1#ifndef _LINUX_MODULELOADER_H
   2#define _LINUX_MODULELOADER_H
   3/* The stuff needed for archs to support modules. */
   4
   5#include <linux/module.h>
   6#include <linux/elf.h>
   7
   8/* These must be implemented by the specific architecture */
   9
  10/* Adjust arch-specific sections.  Return 0 on success.  */
  11int module_frob_arch_sections(Elf_Ehdr *hdr,
  12                              Elf_Shdr *sechdrs,
  13                              char *secstrings,
  14                              struct module *mod);
  15
  16/* Additional bytes needed by arch in front of individual sections */
  17unsigned int arch_mod_section_prepend(struct module *mod, unsigned int section);
  18
  19/* Allocator used for allocating struct module, core sections and init
  20   sections.  Returns NULL on failure. */
  21void *module_alloc(unsigned long size);
  22
  23/* Free memory returned from module_alloc. */
  24void module_free(struct module *mod, void *module_region);
  25
  26/* Apply the given relocation to the (simplified) ELF.  Return -error
  27   or 0. */
  28int apply_relocate(Elf_Shdr *sechdrs,
  29                   const char *strtab,
  30                   unsigned int symindex,
  31                   unsigned int relsec,
  32                   struct module *mod);
  33
  34/* Apply the given add relocation to the (simplified) ELF.  Return
  35   -error or 0 */
  36int apply_relocate_add(Elf_Shdr *sechdrs,
  37                       const char *strtab,
  38                       unsigned int symindex,
  39                       unsigned int relsec,
  40                       struct module *mod);
  41
  42/* Any final processing of module before access.  Return -error or 0. */
  43int module_finalize(const Elf_Ehdr *hdr,
  44                    const Elf_Shdr *sechdrs,
  45                    struct module *mod);
  46
  47/* Any cleanup needed when module leaves. */
  48void module_arch_cleanup(struct module *mod);
  49
  50#endif
  51