395 static int parse_elf(struct elf_info *info, const char *filename)  in parse_elf()  argument
404 	hdr = grab_file(filename, &info->size);  in parse_elf()
409 	info->hdr = hdr;  in parse_elf()
410 	if (info->size < sizeof(*hdr)) {  in parse_elf()
437 	info->sechdrs = sechdrs;  in parse_elf()
440 	if (hdr->e_shoff > info->size) {  in parse_elf()
443 		      filename, info->size);  in parse_elf()
452 		info->num_sections = TO_NATIVE(sechdrs[0].sh_size);  in parse_elf()
455 		info->num_sections = hdr->e_shnum;  in parse_elf()
458 		info->secindex_strings = TO_NATIVE(sechdrs[0].sh_link);  in parse_elf()
461 		info->secindex_strings = hdr->e_shstrndx;  in parse_elf()
465 	for (i = 0; i < info->num_sections; i++) {  in parse_elf()
478 	secstrings = (void *)hdr + sechdrs[info->secindex_strings].sh_offset;  in parse_elf()
479 	for (i = 1; i < info->num_sections; i++) {  in parse_elf()
483 		if (!nobits && sechdrs[i].sh_offset > info->size) {  in parse_elf()
494 			info->modinfo = (void *)hdr + sechdrs[i].sh_offset;  in parse_elf()
495 			info->modinfo_len = sechdrs[i].sh_size;  in parse_elf()
497 			info->export_sec = i;  in parse_elf()
499 			info->export_unused_sec = i;  in parse_elf()
501 			info->export_gpl_sec = i;  in parse_elf()
503 			info->export_unused_gpl_sec = i;  in parse_elf()
505 			info->export_gpl_future_sec = i;  in parse_elf()
510 			info->symtab_start = (void *)hdr +  in parse_elf()
512 			info->symtab_stop  = (void *)hdr +  in parse_elf()
515 			info->strtab       = (void *)hdr +  in parse_elf()
522 			info->symtab_shndx_start = (void *)hdr +  in parse_elf()
524 			info->symtab_shndx_stop  = (void *)hdr +  in parse_elf()
528 	if (!info->symtab_start)  in parse_elf()
532 	for (sym = info->symtab_start; sym < info->symtab_stop; sym++) {  in parse_elf()
546 		for (p = info->symtab_shndx_start; p < info->symtab_shndx_stop;  in parse_elf()
554 static void parse_elf_finish(struct elf_info *info)  in parse_elf_finish()  argument
556 	release_file(info->hdr, info->size);  in parse_elf_finish()
559 static int ignore_undef_symbol(struct elf_info *info, const char *symname)  in ignore_undef_symbol()  argument
567 	if (info->hdr->e_machine == EM_PPC)  in ignore_undef_symbol()
574 	if (info->hdr->e_machine == EM_PPC64)  in ignore_undef_symbol()
586 static void handle_modversions(struct module *mod, struct elf_info *info,  in handle_modversions()  argument
594 		export = export_from_secname(info, get_secindex(info, sym));  in handle_modversions()
596 		export = export_from_sec(info, get_secindex(info, sym));  in handle_modversions()
615 		if (ignore_undef_symbol(info, symname))  in handle_modversions()
623 		if (info->hdr->e_machine == EM_SPARC ||  in handle_modversions()
624 		    info->hdr->e_machine == EM_SPARCV9) {  in handle_modversions()
682 			      const char *tag, char *info)  in get_next_modinfo()  argument
688 	if (info) {  in get_next_modinfo()
689 		size -= info - (char *)modinfo;  in get_next_modinfo()
690 		modinfo = next_string(info, &size);  in get_next_modinfo()
1691 	struct elf_info info = { };  in read_symbols()  local
1694 	if (!parse_elf(&info, modname))  in read_symbols()
1706 	license = get_modinfo(info.modinfo, info.modinfo_len, "license");  in read_symbols()
1707 	if (info.modinfo && !license && !is_vmlinux(modname))  in read_symbols()
1718 		license = get_next_modinfo(info.modinfo, info.modinfo_len,  in read_symbols()
1722 	for (sym = info.symtab_start; sym < info.symtab_stop; sym++) {  in read_symbols()
1723 		symname = info.strtab + sym->st_name;  in read_symbols()
1725 		handle_modversions(mod, &info, sym, symname);  in read_symbols()
1726 		handle_moddevtable(mod, &info, sym, symname);  in read_symbols()
1730 		check_sec_ref(mod, modname, &info);  in read_symbols()
1732 	version = get_modinfo(info.modinfo, info.modinfo_len, "version");  in read_symbols()
1734 		maybe_frob_rcs_version(modname, version, info.modinfo,  in read_symbols()
1735 				       version - (char *)info.hdr);  in read_symbols()
1740 	parse_elf_finish(&info);  in read_symbols()