GELF_R_SYM
symid = (int)GELF_R_SYM(rela.r_info);
symid = (int)GELF_R_SYM(rel.r_info);
if (gelf_getsym(data_sym, GELF_R_SYM(rela.r_info),
ndx = GELF_R_SYM(rela.r_info);