elf_find_next_scn_by_type
scn = elf_find_next_scn_by_type(elf, sh_type, NULL);
scn = elf_find_next_scn_by_type(elf, SHT_GNU_versym, NULL);
scn = elf_find_next_scn_by_type(elf, SHT_GNU_verdef, NULL);