356 static enum export export_from_secname(struct elf_info *elf, unsigned int sec)  in export_from_secname()  argument
358 	const char *secname = sec_name(elf, sec);  in export_from_secname()
374 static enum export export_from_sec(struct elf_info *elf, unsigned int sec)  in export_from_sec()  argument
376 	if (sec == elf->export_sec)  in export_from_sec()
378 	else if (sec == elf->export_unused_sec)  in export_from_sec()
380 	else if (sec == elf->export_gpl_sec)  in export_from_sec()
382 	else if (sec == elf->export_unused_gpl_sec)  in export_from_sec()
384 	else if (sec == elf->export_gpl_future_sec)  in export_from_sec()
829 static const char *sym_name(struct elf_info *elf, Elf_Sym *sym)  in sym_name()  argument
832 		return elf->strtab + sym->st_name;  in sym_name()
909 static void check_section(const char *modname, struct elf_info *elf,  in check_section()  argument
912 	const char *sec = sech_name(elf, sechdr);  in check_section()
1038 	void (*handler)(const char *modname, struct elf_info *elf,
1044 static void extable_mismatch_handler(const char *modname, struct elf_info *elf,
1287 static inline int is_valid_name(struct elf_info *elf, Elf_Sym *sym)  in is_valid_name()  argument
1289 	const char *name = elf->strtab + sym->st_name;  in is_valid_name()
1303 static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr,  in find_elf_symbol()  argument
1315 	relsym_secindex = get_secindex(elf, relsym);  in find_elf_symbol()
1316 	for (sym = elf->symtab_start; sym < elf->symtab_stop; sym++) {  in find_elf_symbol()
1317 		if (get_secindex(elf, sym) != relsym_secindex)  in find_elf_symbol()
1321 		if (!is_valid_name(elf, sym))  in find_elf_symbol()
1347 static Elf_Sym *find_elf_symbol2(struct elf_info *elf, Elf_Addr addr,  in find_elf_symbol2()  argument
1354 	for (sym = elf->symtab_start; sym < elf->symtab_stop; sym++) {  in find_elf_symbol2()
1359 		symsec = sec_name(elf, get_secindex(elf, sym));  in find_elf_symbol2()
1362 		if (!is_valid_name(elf, sym))  in find_elf_symbol2()
1587 static void default_mismatch_handler(const char *modname, struct elf_info *elf,  in default_mismatch_handler()  argument
1597 	from = find_elf_symbol2(elf, r->r_offset, fromsec);  in default_mismatch_handler()
1598 	fromsym = sym_name(elf, from);  in default_mismatch_handler()
1603 	tosec = sec_name(elf, get_secindex(elf, sym));  in default_mismatch_handler()
1604 	to = find_elf_symbol(elf, r->r_addend, sym);  in default_mismatch_handler()
1605 	tosym = sym_name(elf, to);  in default_mismatch_handler()
1617 static int is_executable_section(struct elf_info* elf, unsigned int section_index)  in is_executable_section()  argument
1619 	if (section_index > elf->num_sections)  in is_executable_section()
1622 	return ((elf->sechdrs[section_index].sh_flags & SHF_EXECINSTR) == SHF_EXECINSTR);  in is_executable_section()
1662 static void report_extable_warnings(const char* modname, struct elf_info* elf,  in report_extable_warnings()  argument
1667 	Elf_Sym* fromsym = find_elf_symbol2(elf, r->r_offset, fromsec);  in report_extable_warnings()
1668 	const char* fromsym_name = sym_name(elf, fromsym);  in report_extable_warnings()
1669 	Elf_Sym* tosym = find_elf_symbol(elf, r->r_addend, sym);  in report_extable_warnings()
1670 	const char* tosym_name = sym_name(elf, tosym);  in report_extable_warnings()
1688 	    is_executable_section(elf, get_secindex(elf, sym)))  in report_extable_warnings()
1700 static void extable_mismatch_handler(const char* modname, struct elf_info *elf,  in extable_mismatch_handler()  argument
1705 	const char* tosec = sec_name(elf, get_secindex(elf, sym));  in extable_mismatch_handler()
1709 	report_extable_warnings(modname, elf, mismatch, r, sym, fromsec, tosec);  in extable_mismatch_handler()
1718 	else if (!is_executable_section(elf, get_secindex(elf, sym))) {  in extable_mismatch_handler()
1736 static void check_section_mismatch(const char *modname, struct elf_info *elf,  in check_section_mismatch()  argument
1739 	const char *tosec = sec_name(elf, get_secindex(elf, sym));  in check_section_mismatch()
1744 			mismatch->handler(modname, elf,  mismatch,  in check_section_mismatch()
1747 			default_mismatch_handler(modname, elf, mismatch,  in check_section_mismatch()
1752 static unsigned int *reloc_location(struct elf_info *elf,  in reloc_location()  argument
1755 	return sym_get_data_by_offset(elf, sechdr->sh_info, r->r_offset);  in reloc_location()
1758 static int addend_386_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r)  in addend_386_rel()  argument
1761 	unsigned int *location = reloc_location(elf, sechdr, r);  in addend_386_rel()
1770 		if (elf->hdr->e_type == ET_EXEC)  in addend_386_rel()
1794 static int addend_arm_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r)  in addend_arm_rel()  argument
1802 			      (elf->symtab_start + ELF_R_SYM(r->r_info));  in addend_arm_rel()
1811 		r->r_addend = (int)(long)(elf->hdr +  in addend_arm_rel()
1821 static int addend_mips_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r)  in addend_mips_rel()  argument
1824 	unsigned int *location = reloc_location(elf, sechdr, r);  in addend_mips_rel()
1844 static void section_rela(const char *modname, struct elf_info *elf,  in section_rela()  argument
1853 	Elf_Rela *start = (void *)elf->hdr + sechdr->sh_offset;  in section_rela()
1856 	fromsec = sech_name(elf, sechdr);  in section_rela()
1865 		if (elf->hdr->e_machine == EM_MIPS) {  in section_rela()
1880 		sym = elf->symtab_start + r_sym;  in section_rela()
1886 		check_section_mismatch(modname, elf, &r, sym, fromsec);  in section_rela()
1890 static void section_rel(const char *modname, struct elf_info *elf,  in section_rel()  argument
1899 	Elf_Rel *start = (void *)elf->hdr + sechdr->sh_offset;  in section_rel()
1902 	fromsec = sech_name(elf, sechdr);  in section_rel()
1911 		if (elf->hdr->e_machine == EM_MIPS) {  in section_rel()
1926 		switch (elf->hdr->e_machine) {  in section_rel()
1928 			if (addend_386_rel(elf, sechdr, &r))  in section_rel()
1932 			if (addend_arm_rel(elf, sechdr, &r))  in section_rel()
1936 			if (addend_mips_rel(elf, sechdr, &r))  in section_rel()
1940 		sym = elf->symtab_start + r_sym;  in section_rel()
1946 		check_section_mismatch(modname, elf, &r, sym, fromsec);  in section_rel()
1963 			  struct elf_info *elf)  in check_sec_ref()  argument
1966 	Elf_Shdr *sechdrs = elf->sechdrs;  in check_sec_ref()
1969 	for (i = 0; i < elf->num_sections; i++) {  in check_sec_ref()
1970 		check_section(modname, elf, &elf->sechdrs[i]);  in check_sec_ref()
1973 			section_rela(modname, elf, &elf->sechdrs[i]);  in check_sec_ref()
1975 			section_rel(modname, elf, &elf->sechdrs[i]);  in check_sec_ref()