178 	struct module *mod;  in find_module()  local
180 	list_for_each_entry(mod, &modules, list) {  in find_module()
181 		if (!strcmp(mod->dump_file, filename) &&  in find_module()
182 		    !strcmp(mod->name, modname))  in find_module()
183 			return mod;  in find_module()
190 	struct module *mod;  in new_module()  local
192 	mod = xmalloc(sizeof(*mod) + namelen + 1);  in new_module()
193 	memset(mod, 0, sizeof(*mod));  in new_module()
195 	INIT_LIST_HEAD(&mod->exported_symbols);  in new_module()
196 	INIT_LIST_HEAD(&mod->unresolved_symbols);  in new_module()
197 	INIT_LIST_HEAD(&mod->missing_namespaces);  in new_module()
198 	INIT_LIST_HEAD(&mod->imported_namespaces);  in new_module()
199 	INIT_LIST_HEAD(&mod->aliases);  in new_module()
201 	memcpy(mod->name, name, namelen);  in new_module()
202 	mod->name[namelen] = '\0';  in new_module()
203 	mod->is_vmlinux = (strcmp(mod->name, "vmlinux") == 0);  in new_module()
210 	mod->is_gpl_compatible = true;  in new_module()
212 	list_add_tail(&mod->list, &modules);  in new_module()
214 	return mod;  in new_module()
253 static void sym_add_unresolved(const char *name, struct module *mod, bool weak)  in sym_add_unresolved()  argument
260 	list_add_tail(&sym->list, &mod->unresolved_symbols);  in sym_add_unresolved()
263 static struct symbol *sym_find_with_module(const char *name, struct module *mod)  in sym_find_with_module()  argument
272 		if (strcmp(s->name, name) == 0 && (!mod || s->module == mod))  in sym_find_with_module()
351 static struct symbol *sym_add_exported(const char *name, struct module *mod,  in sym_add_exported()  argument
356 	if (s && (!external_module || s->module->is_vmlinux || s->module == mod)) {  in sym_add_exported()
358 		      mod->name, name, s->module->name,  in sym_add_exported()
363 	s->module = mod;  in sym_add_exported()
366 	list_add_tail(&s->list, &mod->exported_symbols);  in sym_add_exported()
622 static void handle_symbol(struct module *mod, struct elf_info *info,  in handle_symbol()  argument
630 			warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name);  in handle_symbol()
652 		sym_add_unresolved(symname, mod,  in handle_symbol()
657 			mod->has_init = true;  in handle_symbol()
659 			mod->has_cleanup = true;  in handle_symbol()
1075 static void check_export_symbol(struct module *mod, struct elf_info *elf,  in check_export_symbol()  argument
1090 		      mod->name, label_name);  in check_export_symbol()
1096 		error("%s: local symbol '%s' was exported\n", mod->name,  in check_export_symbol()
1104 		      mod->name, name);  in check_export_symbol()
1115 		      mod->name, data, name);  in check_export_symbol()
1120 	s = sym_add_exported(name, mod, is_gpl, data);  in check_export_symbol()
1139 		     mod->name, name);  in check_export_symbol()
1142 		     mod->name, name);  in check_export_symbol()
1145 static void check_section_mismatch(struct module *mod, struct elf_info *elf,  in check_section_mismatch()  argument
1154 		check_export_symbol(mod, elf, faddr, tosec, sym);  in check_section_mismatch()
1162 	default_mismatch_handler(mod->name, elf, mismatch, sym,  in check_section_mismatch()
1340 static void section_rela(struct module *mod, struct elf_info *elf,  in section_rela()  argument
1377 		check_section_mismatch(mod, elf, tsym,  in section_rela()
1382 static void section_rel(struct module *mod, struct elf_info *elf,  in section_rel()  argument
1414 		check_section_mismatch(mod, elf, tsym,  in section_rel()
1431 static void check_sec_ref(struct module *mod, struct elf_info *elf)  in check_sec_ref()  argument
1439 		check_section(mod->name, elf, sechdr);  in check_sec_ref()
1455 				section_rela(mod, elf, secndx, secname,  in check_sec_ref()
1458 				section_rel(mod, elf, secndx, secname,  in check_sec_ref()
1480 static void extract_crcs_for_object(const char *object, struct module *mod)  in extract_crcs_for_object()  argument
1530 		sym = sym_find_with_module(name, mod);  in extract_crcs_for_object()
1542 static void mod_set_crcs(struct module *mod)  in mod_set_crcs()  argument
1548 	if (mod->is_vmlinux) {  in mod_set_crcs()
1552 		ret = snprintf(objlist, sizeof(objlist), "%s.mod", mod->name);  in mod_set_crcs()
1563 		extract_crcs_for_object(obj, mod);  in mod_set_crcs()
1574 	struct module *mod;  in read_symbols()  local
1587 	mod = new_module(modname, strlen(modname) - strlen(".o"));  in read_symbols()
1591 		mod->no_trim_symbol = xmalloc(info.no_trim_symbol_len);  in read_symbols()
1592 		memcpy(mod->no_trim_symbol, info.no_trim_symbol,  in read_symbols()
1594 		mod->no_trim_symbol_len = info.no_trim_symbol_len;  in read_symbols()
1597 	if (!mod->is_vmlinux) {  in read_symbols()
1603 				mod->is_gpl_compatible = false;  in read_symbols()
1614 				      mod->name, namespace);  in read_symbols()
1616 			add_namespace(&mod->imported_namespaces, namespace);  in read_symbols()
1626 		handle_symbol(mod, &info, sym, symname);  in read_symbols()
1627 		handle_moddevtable(mod, &info, sym, symname);  in read_symbols()
1630 	check_sec_ref(mod, &info);  in read_symbols()
1632 	if (!mod->is_vmlinux) {  in read_symbols()
1635 			get_src_version(mod->name, mod->srcversion,  in read_symbols()
1636 					sizeof(mod->srcversion) - 1);  in read_symbols()
1648 		sym_add_unresolved("module_layout", mod, false);  in read_symbols()
1650 		mod_set_crcs(mod);  in read_symbols()
1741 static void check_exports(struct module *mod)  in check_exports()  argument
1745 	list_for_each_entry(s, &mod->unresolved_symbols, list) {  in check_exports()
1752 					    s->name, mod->name);  in check_exports()
1755 		if (exp->module == mod) {  in check_exports()
1757 			      s->name, mod->name);  in check_exports()
1766 		basename = get_basename(mod->name);  in check_exports()
1769 		    !contains_namespace(&mod->imported_namespaces, exp->namespace)) {  in check_exports()
1773 			add_namespace(&mod->missing_namespaces, exp->namespace);  in check_exports()
1776 		if (!mod->is_gpl_compatible && exp->is_gpl_only)  in check_exports()
1804 static void keep_no_trim_symbols(struct module *mod)  in keep_no_trim_symbols()  argument
1806 	unsigned long size = mod->no_trim_symbol_len;  in keep_no_trim_symbols()
1808 	for (char *s = mod->no_trim_symbol; s; s = next_string(s , &size)) {  in keep_no_trim_symbols()
1821 static void check_modname_len(struct module *mod)  in check_modname_len()  argument
1825 	mod_name = get_basename(mod->name);  in check_modname_len()
1828 		error("module name is too long [%s.ko]\n", mod->name);  in check_modname_len()
1834 static void add_header(struct buffer *b, struct module *mod)  in add_header()  argument
1845 	if (mod->has_init)  in add_header()
1847 	if (mod->has_cleanup)  in add_header()
1857 	if (strstarts(mod->name, "drivers/staging"))  in add_header()
1860 	if (strstarts(mod->name, "tools/testing"))  in add_header()
1864 static void add_exported_symbols(struct buffer *buf, struct module *mod)  in add_exported_symbols()  argument
1870 	list_for_each_entry(sym, &mod->exported_symbols, list) {  in add_exported_symbols()
1884 	list_for_each_entry(sym, &mod->exported_symbols, list) {  in add_exported_symbols()
1891 			     sym->name, mod->name, mod->is_vmlinux ? "" : ".ko",  in add_exported_symbols()
1902 static void add_extended_versions(struct buffer *b, struct module *mod)  in add_extended_versions()  argument
1912 	list_for_each_entry(s, &mod->unresolved_symbols, list) {  in add_extended_versions()
1917 				s->name, mod->name);  in add_extended_versions()
1926 	list_for_each_entry(s, &mod->unresolved_symbols, list) {  in add_extended_versions()
1945 static void add_versions(struct buffer *b, struct module *mod)  in add_versions()  argument
1956 	list_for_each_entry(s, &mod->unresolved_symbols, list) {  in add_versions()
1961 				s->name, mod->name);  in add_versions()
1970 				      s->name, mod->name);  in add_versions()
1981 static void add_depends(struct buffer *b, struct module *mod)  in add_depends()  argument
1987 	list_for_each_entry(s, &mod->unresolved_symbols, list) {  in add_depends()
1994 	list_for_each_entry(s, &mod->unresolved_symbols, list) {  in add_depends()
2010 static void add_srcversion(struct buffer *b, struct module *mod)  in add_srcversion()  argument
2012 	if (mod->srcversion[0]) {  in add_srcversion()
2015 			   mod->srcversion);  in add_srcversion()
2076 static void write_vmlinux_export_c_file(struct module *mod)  in write_vmlinux_export_c_file()  argument
2084 	add_exported_symbols(&buf, mod);  in write_vmlinux_export_c_file()
2091 	list_for_each_entry_safe(alias, next, &mod->aliases, node) {  in write_vmlinux_export_c_file()
2104 static void write_mod_c_file(struct module *mod)  in write_mod_c_file()  argument
2111 	add_header(&buf, mod);  in write_mod_c_file()
2112 	add_exported_symbols(&buf, mod);  in write_mod_c_file()
2113 	add_versions(&buf, mod);  in write_mod_c_file()
2114 	add_extended_versions(&buf, mod);  in write_mod_c_file()
2115 	add_depends(&buf, mod);  in write_mod_c_file()
2118 	list_for_each_entry_safe(alias, next, &mod->aliases, node) {  in write_mod_c_file()
2124 	add_srcversion(&buf, mod);  in write_mod_c_file()
2126 	ret = snprintf(fname, sizeof(fname), "%s.mod.c", mod->name);  in write_mod_c_file()
2155 		struct module *mod;  in read_dump()  local
2185 		mod = find_module(fname, modname);  in read_dump()
2186 		if (!mod) {  in read_dump()
2187 			mod = new_module(modname, strlen(modname));  in read_dump()
2188 			mod->dump_file = fname;  in read_dump()
2190 		s = sym_add_exported(symname, mod, gpl_only, namespace);  in read_dump()
2203 	struct module *mod;  in write_dump()  local
2206 	list_for_each_entry(mod, &modules, list) {  in write_dump()
2207 		if (mod->dump_file)  in write_dump()
2209 		list_for_each_entry(sym, &mod->exported_symbols, list) {  in write_dump()
2214 				   sym->crc, sym->name, mod->name,  in write_dump()
2225 	struct module *mod;  in write_namespace_deps_files()  local
2229 	list_for_each_entry(mod, &modules, list) {  in write_namespace_deps_files()
2231 		if (mod->dump_file || list_empty(&mod->missing_namespaces))  in write_namespace_deps_files()
2234 		buf_printf(&ns_deps_buf, "%s.ko:", mod->name);  in write_namespace_deps_files()
2236 		list_for_each_entry(ns, &mod->missing_namespaces, list)  in write_namespace_deps_files()
2272 	struct module *mod;  in main()  local
2354 	list_for_each_entry(mod, &modules, list) {  in main()
2355 		keep_no_trim_symbols(mod);  in main()
2357 		if (mod->dump_file || mod->is_vmlinux)  in main()
2360 		check_modname_len(mod);  in main()
2361 		check_exports(mod);  in main()
2367 	list_for_each_entry(mod, &modules, list) {  in main()
2368 		if (mod->dump_file)  in main()
2371 		if (mod->is_vmlinux)  in main()
2372 			write_vmlinux_export_c_file(mod);  in main()
2374 			write_mod_c_file(mod);  in main()