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 51