Lines Matching refs:elf
722 static const char *sym_name(struct elf_info *elf, Elf_Sym *sym) in sym_name() argument
725 return elf->strtab + sym->st_name; in sym_name()
784 static void check_section(const char *modname, struct elf_info *elf, in check_section() argument
787 const char *sec = sech_name(elf, sechdr); in check_section()
893 void (*handler)(const char *modname, struct elf_info *elf,
899 static void extable_mismatch_handler(const char *modname, struct elf_info *elf,
1131 static inline int is_valid_name(struct elf_info *elf, Elf_Sym *sym) in is_valid_name() argument
1133 const char *name = elf->strtab + sym->st_name; in is_valid_name()
1147 static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr, in find_elf_symbol() argument
1159 relsym_secindex = get_secindex(elf, relsym); in find_elf_symbol()
1160 for (sym = elf->symtab_start; sym < elf->symtab_stop; sym++) { in find_elf_symbol()
1161 if (get_secindex(elf, sym) != relsym_secindex) in find_elf_symbol()
1165 if (!is_valid_name(elf, sym)) in find_elf_symbol()
1191 static Elf_Sym *find_elf_symbol2(struct elf_info *elf, Elf_Addr addr, in find_elf_symbol2() argument
1198 for (sym = elf->symtab_start; sym < elf->symtab_stop; sym++) { in find_elf_symbol2()
1203 symsec = sec_name(elf, get_secindex(elf, sym)); in find_elf_symbol2()
1206 if (!is_valid_name(elf, sym)) in find_elf_symbol2()
1268 static void default_mismatch_handler(const char *modname, struct elf_info *elf, in default_mismatch_handler() argument
1278 from = find_elf_symbol2(elf, r->r_offset, fromsec); in default_mismatch_handler()
1279 fromsym = sym_name(elf, from); in default_mismatch_handler()
1281 tosec = sec_name(elf, get_secindex(elf, sym)); in default_mismatch_handler()
1282 to = find_elf_symbol(elf, r->r_addend, sym); in default_mismatch_handler()
1283 tosym = sym_name(elf, to); in default_mismatch_handler()
1293 static int is_executable_section(struct elf_info* elf, unsigned int section_index) in is_executable_section() argument
1295 if (section_index > elf->num_sections) in is_executable_section()
1298 return ((elf->sechdrs[section_index].sh_flags & SHF_EXECINSTR) == SHF_EXECINSTR); in is_executable_section()
1338 static void report_extable_warnings(const char* modname, struct elf_info* elf, in report_extable_warnings() argument
1343 Elf_Sym* fromsym = find_elf_symbol2(elf, r->r_offset, fromsec); in report_extable_warnings()
1344 const char* fromsym_name = sym_name(elf, fromsym); in report_extable_warnings()
1345 Elf_Sym* tosym = find_elf_symbol(elf, r->r_addend, sym); in report_extable_warnings()
1346 const char* tosym_name = sym_name(elf, tosym); in report_extable_warnings()
1363 is_executable_section(elf, get_secindex(elf, sym))) in report_extable_warnings()
1375 static void extable_mismatch_handler(const char* modname, struct elf_info *elf, in extable_mismatch_handler() argument
1380 const char* tosec = sec_name(elf, get_secindex(elf, sym)); in extable_mismatch_handler()
1384 report_extable_warnings(modname, elf, mismatch, r, sym, fromsec, tosec); in extable_mismatch_handler()
1393 else if (!is_executable_section(elf, get_secindex(elf, sym))) { in extable_mismatch_handler()
1411 static void check_section_mismatch(const char *modname, struct elf_info *elf, in check_section_mismatch() argument
1414 const char *tosec = sec_name(elf, get_secindex(elf, sym)); in check_section_mismatch()
1419 mismatch->handler(modname, elf, mismatch, in check_section_mismatch()
1422 default_mismatch_handler(modname, elf, mismatch, in check_section_mismatch()
1427 static unsigned int *reloc_location(struct elf_info *elf, in reloc_location() argument
1430 return sym_get_data_by_offset(elf, sechdr->sh_info, r->r_offset); in reloc_location()
1433 static int addend_386_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r) in addend_386_rel() argument
1436 unsigned int *location = reloc_location(elf, sechdr, r); in addend_386_rel()
1466 static int addend_arm_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r) in addend_arm_rel() argument
1474 (elf->symtab_start + ELF_R_SYM(r->r_info)); in addend_arm_rel()
1483 r->r_addend = (int)(long)(elf->hdr + in addend_arm_rel()
1493 static int addend_mips_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r) in addend_mips_rel() argument
1496 unsigned int *location = reloc_location(elf, sechdr, r); in addend_mips_rel()
1532 static void section_rela(const char *modname, struct elf_info *elf, in section_rela() argument
1541 Elf_Rela *start = (void *)elf->hdr + sechdr->sh_offset; in section_rela()
1544 fromsec = sec_name(elf, sechdr->sh_info); in section_rela()
1552 if (elf->hdr->e_machine == EM_MIPS) { in section_rela()
1567 switch (elf->hdr->e_machine) { in section_rela()
1579 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 = sec_name(elf, sechdr->sh_info); in section_rel()
1609 if (elf->hdr->e_machine == EM_MIPS) { in section_rel()
1624 switch (elf->hdr->e_machine) { in section_rel()
1626 if (addend_386_rel(elf, sechdr, &r)) in section_rel()
1630 if (addend_arm_rel(elf, sechdr, &r)) in section_rel()
1634 if (addend_mips_rel(elf, sechdr, &r)) in section_rel()
1638 sym = elf->symtab_start + r_sym; in section_rel()
1644 check_section_mismatch(modname, elf, &r, sym, fromsec); in section_rel()
1660 static void check_sec_ref(const char *modname, 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()