325 static void *sym_get_data_by_offset(const struct elf_info *info,  in sym_get_data_by_offset()  argument
328 	Elf_Shdr *sechdr = &info->sechdrs[secindex];  in sym_get_data_by_offset()
330 	return (void *)info->hdr + sechdr->sh_offset + offset;  in sym_get_data_by_offset()
333 void *sym_get_data(const struct elf_info *info, const Elf_Sym *sym)  in sym_get_data()  argument
335 	return sym_get_data_by_offset(info, get_secindex(info, sym),  in sym_get_data()
339 static const char *sech_name(const struct elf_info *info, Elf_Shdr *sechdr)  in sech_name()  argument
341 	return sym_get_data_by_offset(info, info->secindex_strings,  in sech_name()
345 static const char *sec_name(const struct elf_info *info, unsigned int secindex)  in sec_name()  argument
352 	if (secindex >= info->num_sections)  in sec_name()
355 	return sech_name(info, &info->sechdrs[secindex]);  in sec_name()
417 static int parse_elf(struct elf_info *info, const char *filename)  in parse_elf()  argument
426 	hdr = grab_file(filename, &info->size);  in parse_elf()
436 	info->hdr = hdr;  in parse_elf()
437 	if (info->size < sizeof(*hdr)) {  in parse_elf()
476 	info->sechdrs = sechdrs;  in parse_elf()
483 	if (hdr->e_shoff > info->size)  in parse_elf()
485 		      (unsigned long)hdr->e_shoff, filename, info->size);  in parse_elf()
492 		info->num_sections = TO_NATIVE(sechdrs[0].sh_size);  in parse_elf()
495 		info->num_sections = hdr->e_shnum;  in parse_elf()
498 		info->secindex_strings = TO_NATIVE(sechdrs[0].sh_link);  in parse_elf()
501 		info->secindex_strings = hdr->e_shstrndx;  in parse_elf()
505 	for (i = 0; i < info->num_sections; i++) {  in parse_elf()
518 	secstrings = (void *)hdr + sechdrs[info->secindex_strings].sh_offset;  in parse_elf()
519 	for (i = 1; i < info->num_sections; i++) {  in parse_elf()
523 		if (!nobits && sechdrs[i].sh_offset > info->size)  in parse_elf()
532 			info->modinfo = (void *)hdr + sechdrs[i].sh_offset;  in parse_elf()
533 			info->modinfo_len = sechdrs[i].sh_size;  in parse_elf()
535 			info->export_symbol_secndx = i;  in parse_elf()
541 			info->symtab_start = (void *)hdr +  in parse_elf()
543 			info->symtab_stop  = (void *)hdr +  in parse_elf()
546 			info->strtab       = (void *)hdr +  in parse_elf()
553 			info->symtab_shndx_start = (void *)hdr +  in parse_elf()
555 			info->symtab_shndx_stop  = (void *)hdr +  in parse_elf()
559 	if (!info->symtab_start)  in parse_elf()
563 	for (sym = info->symtab_start; sym < info->symtab_stop; sym++) {  in parse_elf()
577 		for (p = info->symtab_shndx_start; p < info->symtab_shndx_stop;  in parse_elf()
582 	symsearch_init(info);  in parse_elf()
587 static void parse_elf_finish(struct elf_info *info)  in parse_elf_finish()  argument
589 	symsearch_finish(info);  in parse_elf_finish()
590 	release_file(info->hdr, info->size);  in parse_elf_finish()
593 static int ignore_undef_symbol(struct elf_info *info, const char *symname)  in ignore_undef_symbol()  argument
601 	if (info->hdr->e_machine == EM_PPC)  in ignore_undef_symbol()
610 	if (info->hdr->e_machine == EM_PPC64)  in ignore_undef_symbol()
622 static void handle_symbol(struct module *mod, struct elf_info *info,  in handle_symbol()  argument
637 		if (ignore_undef_symbol(info, symname))  in handle_symbol()
639 		if (info->hdr->e_machine == EM_SPARC ||  in handle_symbol()
640 		    info->hdr->e_machine == EM_SPARCV9) {  in handle_symbol()
685 static char *get_next_modinfo(struct elf_info *info, const char *tag,  in get_next_modinfo()  argument
690 	char *modinfo = info->modinfo;  in get_next_modinfo()
691 	unsigned long size = info->modinfo_len;  in get_next_modinfo()
705 static char *get_modinfo(struct elf_info *info, const char *tag)  in get_modinfo()  argument
708 	return get_next_modinfo(info, tag, NULL);  in get_modinfo()
1582 	struct elf_info info = { };  in read_symbols()  local
1585 	if (!parse_elf(&info, modname))  in read_symbols()
1597 		license = get_modinfo(&info, "license");  in read_symbols()
1605 			license = get_next_modinfo(&info, "license", license);  in read_symbols()
1608 		namespace = get_modinfo(&info, "import_ns");  in read_symbols()
1611 			namespace = get_next_modinfo(&info, "import_ns",  in read_symbols()
1615 		if (extra_warn && !get_modinfo(&info, "description"))  in read_symbols()
1619 	for (sym = info.symtab_start; sym < info.symtab_stop; sym++) {  in read_symbols()
1620 		symname = remove_dot(info.strtab + sym->st_name);  in read_symbols()
1622 		handle_symbol(mod, &info, sym, symname);  in read_symbols()
1623 		handle_moddevtable(mod, &info, sym, symname);  in read_symbols()
1626 	check_sec_ref(mod, &info);  in read_symbols()
1629 		version = get_modinfo(&info, "version");  in read_symbols()
1635 	parse_elf_finish(&info);  in read_symbols()