find_func_by_offset
func = find_func_by_offset(reloc->sym->sec, reloc_addend(reloc));
call_dest = find_func_by_offset(sec, offset);
func = find_func_by_offset(reloc->sym->sec,
if (!find_func_by_offset(sym->sec, sym->offset + sym->len + opts.prefix))
struct symbol *find_func_by_offset(struct section *sec, unsigned long offset);