259 static const char *sec_name(struct elf_info *elf, int secindex);
263 static enum export export_from_secname(struct elf_info *elf, unsigned int sec)  in export_from_secname()  argument
265 	const char *secname = sec_name(elf, sec);  in export_from_secname()
281 static enum export export_from_sec(struct elf_info *elf, unsigned int sec)  in export_from_sec()  argument
283 	if (sec == elf->export_sec)  in export_from_sec()
285 	else if (sec == elf->export_unused_sec)  in export_from_sec()
287 	else if (sec == elf->export_gpl_sec)  in export_from_sec()
289 	else if (sec == elf->export_unused_gpl_sec)  in export_from_sec()
291 	else if (sec == elf->export_gpl_future_sec)  in export_from_sec()
730 static const char *sym_name(struct elf_info *elf, Elf_Sym *sym)  in sym_name()  argument
733 		return elf->strtab + sym->st_name;  in sym_name()
738 static const char *sec_name(struct elf_info *elf, int secindex)  in sec_name()  argument
740 	Elf_Shdr *sechdrs = elf->sechdrs;  in sec_name()
741 	return (void *)elf->hdr +  in sec_name()
742 		elf->sechdrs[elf->secindex_strings].sh_offset +  in sec_name()
746 static const char *sech_name(struct elf_info *elf, Elf_Shdr *sechdr)  in sech_name()  argument
748 	return (void *)elf->hdr +  in sech_name()
749 		elf->sechdrs[elf->secindex_strings].sh_offset +  in sech_name()
835 static void check_section(const char *modname, struct elf_info *elf,  in check_section()  argument
838 	const char *sec = sech_name(elf, sechdr);  in check_section()
1137 static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr,  in find_elf_symbol()  argument
1149 	relsym_secindex = get_secindex(elf, relsym);  in find_elf_symbol()
1150 	for (sym = elf->symtab_start; sym < elf->symtab_stop; sym++) {  in find_elf_symbol()
1151 		if (get_secindex(elf, sym) != relsym_secindex)  in find_elf_symbol()
1188 static inline int is_valid_name(struct elf_info *elf, Elf_Sym *sym)  in is_valid_name()  argument
1190 	const char *name = elf->strtab + sym->st_name;  in is_valid_name()
1203 static Elf_Sym *find_elf_symbol2(struct elf_info *elf, Elf_Addr addr,  in find_elf_symbol2()  argument
1210 	for (sym = elf->symtab_start; sym < elf->symtab_stop; sym++) {  in find_elf_symbol2()
1215 		symsec = sec_name(elf, get_secindex(elf, sym));  in find_elf_symbol2()
1218 		if (!is_valid_name(elf, sym))  in find_elf_symbol2()
1441 static void check_section_mismatch(const char *modname, struct elf_info *elf,  in check_section_mismatch()  argument
1447 	tosec = sec_name(elf, get_secindex(elf, sym));  in check_section_mismatch()
1455 		from = find_elf_symbol2(elf, r->r_offset, fromsec);  in check_section_mismatch()
1456 		fromsym = sym_name(elf, from);  in check_section_mismatch()
1457 		to = find_elf_symbol(elf, r->r_addend, sym);  in check_section_mismatch()
1458 		tosym = sym_name(elf, to);  in check_section_mismatch()
1471 static unsigned int *reloc_location(struct elf_info *elf,  in reloc_location()  argument
1474 	Elf_Shdr *sechdrs = elf->sechdrs;  in reloc_location()
1477 	return (void *)elf->hdr + sechdrs[section].sh_offset +  in reloc_location()
1481 static int addend_386_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r)  in addend_386_rel()  argument
1484 	unsigned int *location = reloc_location(elf, sechdr, r);  in addend_386_rel()
1493 		if (elf->hdr->e_type == ET_EXEC)  in addend_386_rel()
1500 static int addend_arm_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r)  in addend_arm_rel()  argument
1508 		              (elf->symtab_start + ELF_R_SYM(r->r_info));  in addend_arm_rel()
1512 		r->r_addend = (int)(long)(elf->hdr +  in addend_arm_rel()
1522 static int addend_mips_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r)  in addend_mips_rel()  argument
1525 	unsigned int *location = reloc_location(elf, sechdr, r);  in addend_mips_rel()
1545 static void section_rela(const char *modname, struct elf_info *elf,  in section_rela()  argument
1554 	Elf_Rela *start = (void *)elf->hdr + sechdr->sh_offset;  in section_rela()
1557 	fromsec = sech_name(elf, sechdr);  in section_rela()
1566 		if (elf->hdr->e_machine == EM_MIPS) {  in section_rela()
1581 		sym = elf->symtab_start + r_sym;  in section_rela()
1585 		check_section_mismatch(modname, elf, &r, sym, fromsec);  in section_rela()
1589 static void section_rel(const char *modname, struct elf_info *elf,  in section_rel()  argument
1598 	Elf_Rel *start = (void *)elf->hdr + sechdr->sh_offset;  in section_rel()
1601 	fromsec = sech_name(elf, sechdr);  in section_rel()
1610 		if (elf->hdr->e_machine == EM_MIPS) {  in section_rel()
1625 		switch (elf->hdr->e_machine) {  in section_rel()
1627 			if (addend_386_rel(elf, sechdr, &r))  in section_rel()
1631 			if (addend_arm_rel(elf, sechdr, &r))  in section_rel()
1635 			if (addend_mips_rel(elf, sechdr, &r))  in section_rel()
1639 		sym = elf->symtab_start + r_sym;  in section_rel()
1643 		check_section_mismatch(modname, elf, &r, sym, fromsec);  in section_rel()
1660                           struct elf_info *elf)  in check_sec_ref()  argument
1663 	Elf_Shdr *sechdrs = elf->sechdrs;  in check_sec_ref()
1666 	for (i = 0; i < elf->num_sections; i++) {  in check_sec_ref()
1667 		check_section(modname, elf, &elf->sechdrs[i]);  in check_sec_ref()
1670 			section_rela(modname, elf, &elf->sechdrs[i]);  in check_sec_ref()
1672 			section_rel(modname, elf, &elf->sechdrs[i]);  in check_sec_ref()