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.  */
  11 int 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 */
  17 unsigned 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. */
  21 void *module_alloc(unsigned long size);
  22
  23 /* Free memory returned from module_alloc. */
  24 void module_free(struct module *mod, void *module_region);
  25
  26 /* Apply the given relocation to the (simplified) ELF.  Return -error
  27    or 0. */
  28 int 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 */
  36 int 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. */
  43 int module_finalize(const Elf_Ehdr *hdr,
  44                     const Elf_Shdr *sechdrs,
  45                     struct module *mod);
  46
  47 /* Any cleanup needed when module leaves. */
  48 void module_arch_cleanup(struct module *mod);
  49
  50 #endif