700 static const char *sym_name(struct elf_info *elf, Elf_Sym *sym)  in sym_name()  argument
702 	return sym ? elf->strtab + sym->st_name : "";  in sym_name()
760 static void check_section(const char *modname, struct elf_info *elf,  in check_section()  argument
763 	const char *sec = sech_name(elf, sechdr);  in check_section()
975 static Elf_Sym *find_fromsym(struct elf_info *elf, Elf_Addr addr,  in find_fromsym()  argument
978 	return symsearch_find_nearest(elf, addr, secndx, false, ~0);  in find_fromsym()
981 static Elf_Sym *find_tosym(struct elf_info *elf, Elf_Addr addr, Elf_Sym *sym)  in find_tosym()  argument
986 	if (is_valid_name(elf, sym))  in find_tosym()
993 	new_sym = symsearch_find_nearest(elf, addr, get_secindex(elf, sym),  in find_tosym()
998 static bool is_executable_section(struct elf_info *elf, unsigned int secndx)  in is_executable_section()  argument
1000 	if (secndx >= elf->num_sections)  in is_executable_section()
1003 	return (elf->sechdrs[secndx].sh_flags & SHF_EXECINSTR) != 0;  in is_executable_section()
1006 static void default_mismatch_handler(const char *modname, struct elf_info *elf,  in default_mismatch_handler()  argument
1017 	from = find_fromsym(elf, faddr, fsecndx);  in default_mismatch_handler()
1018 	fromsym = sym_name(elf, from);  in default_mismatch_handler()
1020 	tsym = find_tosym(elf, taddr, tsym);  in default_mismatch_handler()
1021 	tosym = sym_name(elf, tsym);  in default_mismatch_handler()
1049 		else if (is_executable_section(elf, get_secindex(elf, tsym)))  in default_mismatch_handler()
1064 static void check_export_symbol(struct module *mod, struct elf_info *elf,  in check_export_symbol()  argument
1074 	label = find_fromsym(elf, faddr, elf->export_symbol_secndx);  in check_export_symbol()
1075 	label_name = sym_name(elf, label);  in check_export_symbol()
1090 	name = sym_name(elf, sym);  in check_export_symbol()
1097 	data = sym_get_data(elf, label);	/* license */  in check_export_symbol()
1121 	if (elf->hdr->e_ident[EI_CLASS] == ELFCLASS64 &&  in check_export_symbol()
1122 	    elf->hdr->e_machine == EM_PARISC &&  in check_export_symbol()
1134 static void check_section_mismatch(struct module *mod, struct elf_info *elf,  in check_section_mismatch()  argument
1139 	const char *tosec = sec_name(elf, get_secindex(elf, sym));  in check_section_mismatch()
1142 	if (module_enabled && elf->export_symbol_secndx == fsecndx) {  in check_section_mismatch()
1143 		check_export_symbol(mod, elf, faddr, tosec, sym);  in check_section_mismatch()
1151 	default_mismatch_handler(mod->name, elf, mismatch, sym,  in check_section_mismatch()
1299 static void get_rel_type_and_sym(struct elf_info *elf, uint64_t r_info,  in get_rel_type_and_sym()  argument
1310 	bool is_64bit = (elf->hdr->e_ident[EI_CLASS] == ELFCLASS64);  in get_rel_type_and_sym()
1312 	if (elf->hdr->e_machine == EM_MIPS && is_64bit) {  in get_rel_type_and_sym()
1329 static void section_rela(struct module *mod, struct elf_info *elf,  in section_rela()  argument
1341 		get_rel_type_and_sym(elf, rela->r_info, &r_type, &r_sym);  in section_rela()
1343 		tsym = elf->symtab_start + r_sym;  in section_rela()
1346 		switch (elf->hdr->e_machine) {  in section_rela()
1366 		check_section_mismatch(mod, elf, tsym,  in section_rela()
1371 static void section_rel(struct module *mod, struct elf_info *elf,  in section_rel()  argument
1384 		get_rel_type_and_sym(elf, rel->r_info, &r_type, &r_sym);  in section_rel()
1386 		loc = sym_get_data_by_offset(elf, fsecndx, r_offset);  in section_rel()
1387 		tsym = elf->symtab_start + r_sym;  in section_rel()
1389 		switch (elf->hdr->e_machine) {  in section_rel()
1403 		check_section_mismatch(mod, elf, tsym,  in section_rel()
1420 static void check_sec_ref(struct module *mod, struct elf_info *elf)  in check_sec_ref()  argument
1425 	for (i = 0; i < elf->num_sections; i++) {  in check_sec_ref()
1426 		Elf_Shdr *sechdr = &elf->sechdrs[i];  in check_sec_ref()
1428 		check_section(mod->name, elf, sechdr);  in check_sec_ref()
1433 			const char *secname = sec_name(elf, secndx);  in check_sec_ref()
1440 			start = sym_get_data_by_offset(elf, i, 0);  in check_sec_ref()
1444 				section_rela(mod, elf, secndx, secname,  in check_sec_ref()
1447 				section_rel(mod, elf, secndx, secname,  in check_sec_ref()