// the function and look it up in the package ftab to see if we've
		// encountered it before. If we haven't, then register it with the
		// meta-data builder.
		fnhash := encodemeta.HashFuncDesc(fd)
		gfidx, ok := mm.p.ftab[fnhash]
		if !ok {
			// We haven't seen this function before, need to add it to
			// the meta data.
			gfidx = uint32(mm.p.cmdb.AddFunc(*fd))
			mm.p.ftab[fnhash] = gfidx