sym_by_name
if (sym_by_name(&fptr->file_dynsym, "_PROCEDURE_LINKAGE_TABLE_", &s,
sym_by_name(&fptr->file_symtab, sname, symp, &id)) {
sym_by_name(&fptr->file_dynsym, sname, symp, &id)) {
static GElf_Sym *sym_by_name(sym_tbl_t *, const char *, GElf_Sym *, uint_t *);