263 static const char *sec_name(struct elf_info *elf, int secindex);
267 static enum export export_from_secname(struct elf_info *elf, unsigned int sec)  in export_from_secname()  argument
269 	const char *secname = sec_name(elf, sec);  in export_from_secname()
285 static enum export export_from_sec(struct elf_info *elf, unsigned int sec)  in export_from_sec()  argument
287 	if (sec == elf->export_sec)  in export_from_sec()
289 	else if (sec == elf->export_unused_sec)  in export_from_sec()
291 	else if (sec == elf->export_gpl_sec)  in export_from_sec()
293 	else if (sec == elf->export_unused_gpl_sec)  in export_from_sec()
295 	else if (sec == elf->export_gpl_future_sec)  in export_from_sec()
752 static const char *sym_name(struct elf_info *elf, Elf_Sym *sym)  in sym_name()  argument
755 		return elf->strtab + sym->st_name;  in sym_name()
760 static const char *sec_name(struct elf_info *elf, int secindex)  in sec_name()  argument
762 	Elf_Shdr *sechdrs = elf->sechdrs;  in sec_name()
763 	return (void *)elf->hdr +  in sec_name()
764 		elf->sechdrs[elf->secindex_strings].sh_offset +  in sec_name()
768 static const char *sech_name(struct elf_info *elf, Elf_Shdr *sechdr)  in sech_name()  argument
770 	return (void *)elf->hdr +  in sech_name()
771 		elf->sechdrs[elf->secindex_strings].sh_offset +  in sech_name()
845 static void check_section(const char *modname, struct elf_info *elf,  in check_section()  argument
848 	const char *sec = sech_name(elf, sechdr);  in check_section()
973 	void (*handler)(const char *modname, struct elf_info *elf,
979 static void extable_mismatch_handler(const char *modname, struct elf_info *elf,
1202 static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr,  in find_elf_symbol()  argument
1214 	relsym_secindex = get_secindex(elf, relsym);  in find_elf_symbol()
1215 	for (sym = elf->symtab_start; sym < elf->symtab_stop; sym++) {  in find_elf_symbol()
1216 		if (get_secindex(elf, sym) != relsym_secindex)  in find_elf_symbol()
1253 static inline int is_valid_name(struct elf_info *elf, Elf_Sym *sym)  in is_valid_name()  argument
1255 	const char *name = elf->strtab + sym->st_name;  in is_valid_name()
1268 static Elf_Sym *find_elf_symbol2(struct elf_info *elf, Elf_Addr addr,  in find_elf_symbol2()  argument
1275 	for (sym = elf->symtab_start; sym < elf->symtab_stop; sym++) {  in find_elf_symbol2()
1280 		symsec = sec_name(elf, get_secindex(elf, sym));  in find_elf_symbol2()
1283 		if (!is_valid_name(elf, sym))  in find_elf_symbol2()
1510 static void default_mismatch_handler(const char *modname, struct elf_info *elf,  in default_mismatch_handler()  argument
1520 	from = find_elf_symbol2(elf, r->r_offset, fromsec);  in default_mismatch_handler()
1521 	fromsym = sym_name(elf, from);  in default_mismatch_handler()
1527 	tosec = sec_name(elf, get_secindex(elf, sym));  in default_mismatch_handler()
1528 	to = find_elf_symbol(elf, r->r_addend, sym);  in default_mismatch_handler()
1529 	tosym = sym_name(elf, to);  in default_mismatch_handler()
1541 static int is_executable_section(struct elf_info* elf, unsigned int section_index)  in is_executable_section()  argument
1543 	if (section_index > elf->num_sections)  in is_executable_section()
1546 	return ((elf->sechdrs[section_index].sh_flags & SHF_EXECINSTR) == SHF_EXECINSTR);  in is_executable_section()
1586 static void report_extable_warnings(const char* modname, struct elf_info* elf,  in report_extable_warnings()  argument
1591 	Elf_Sym* fromsym = find_elf_symbol2(elf, r->r_offset, fromsec);  in report_extable_warnings()
1592 	const char* fromsym_name = sym_name(elf, fromsym);  in report_extable_warnings()
1593 	Elf_Sym* tosym = find_elf_symbol(elf, r->r_addend, sym);  in report_extable_warnings()
1594 	const char* tosym_name = sym_name(elf, tosym);  in report_extable_warnings()
1612 	    is_executable_section(elf, get_secindex(elf, sym)))  in report_extable_warnings()
1624 static void extable_mismatch_handler(const char* modname, struct elf_info *elf,  in extable_mismatch_handler()  argument
1629 	const char* tosec = sec_name(elf, get_secindex(elf, sym));  in extable_mismatch_handler()
1634 		report_extable_warnings(modname, elf, mismatch, r, sym,  in extable_mismatch_handler()
1644 	else if (!is_executable_section(elf, get_secindex(elf, sym))) {  in extable_mismatch_handler()
1662 static void check_section_mismatch(const char *modname, struct elf_info *elf,  in check_section_mismatch()  argument
1665 	const char *tosec = sec_name(elf, get_secindex(elf, sym));;  in check_section_mismatch()
1670 			mismatch->handler(modname, elf,  mismatch,  in check_section_mismatch()
1673 			default_mismatch_handler(modname, elf, mismatch,  in check_section_mismatch()
1678 static unsigned int *reloc_location(struct elf_info *elf,  in reloc_location()  argument
1681 	Elf_Shdr *sechdrs = elf->sechdrs;  in reloc_location()
1684 	return (void *)elf->hdr + sechdrs[section].sh_offset +  in reloc_location()
1688 static int addend_386_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r)  in addend_386_rel()  argument
1691 	unsigned int *location = reloc_location(elf, sechdr, r);  in addend_386_rel()
1700 		if (elf->hdr->e_type == ET_EXEC)  in addend_386_rel()
1724 static int addend_arm_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r)  in addend_arm_rel()  argument
1732 			      (elf->symtab_start + ELF_R_SYM(r->r_info));  in addend_arm_rel()
1741 		r->r_addend = (int)(long)(elf->hdr +  in addend_arm_rel()
1751 static int addend_mips_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r)  in addend_mips_rel()  argument
1754 	unsigned int *location = reloc_location(elf, sechdr, r);  in addend_mips_rel()
1774 static void section_rela(const char *modname, struct elf_info *elf,  in section_rela()  argument
1783 	Elf_Rela *start = (void *)elf->hdr + sechdr->sh_offset;  in section_rela()
1786 	fromsec = sech_name(elf, sechdr);  in section_rela()
1795 		if (elf->hdr->e_machine == EM_MIPS) {  in section_rela()
1810 		sym = elf->symtab_start + r_sym;  in section_rela()
1816 		check_section_mismatch(modname, elf, &r, sym, fromsec);  in section_rela()
1820 static void section_rel(const char *modname, struct elf_info *elf,  in section_rel()  argument
1829 	Elf_Rel *start = (void *)elf->hdr + sechdr->sh_offset;  in section_rel()
1832 	fromsec = sech_name(elf, sechdr);  in section_rel()
1841 		if (elf->hdr->e_machine == EM_MIPS) {  in section_rel()
1856 		switch (elf->hdr->e_machine) {  in section_rel()
1858 			if (addend_386_rel(elf, sechdr, &r))  in section_rel()
1862 			if (addend_arm_rel(elf, sechdr, &r))  in section_rel()
1866 			if (addend_mips_rel(elf, sechdr, &r))  in section_rel()
1870 		sym = elf->symtab_start + r_sym;  in section_rel()
1876 		check_section_mismatch(modname, elf, &r, sym, fromsec);  in section_rel()
1893 			  struct elf_info *elf)  in check_sec_ref()  argument
1896 	Elf_Shdr *sechdrs = elf->sechdrs;  in check_sec_ref()
1899 	for (i = 0; i < elf->num_sections; i++) {  in check_sec_ref()
1900 		check_section(modname, elf, &elf->sechdrs[i]);  in check_sec_ref()
1903 			section_rela(modname, elf, &elf->sechdrs[i]);  in check_sec_ref()
1905 			section_rel(modname, elf, &elf->sechdrs[i]);  in check_sec_ref()