// if non-negative, offset from argp
	off       int32
	size      int32
	_ptrdata  int32  // ptrdata, or -ptrdata is GC prog is used
	gcdataoff uint32 // offset to gcdata from moduledata.rodata
}

func (r *stackObjectRecord) useGCProg() bool {
	return r._ptrdata < 0
}

func (r *stackObjectRecord) ptrdata() uintptr {
	x := r._ptrdata
	if x < 0 {
		return uintptr(-x)
	}
	return uintptr(x)
}

		if sz != int64(int32(sz)) {
			base.Fatalf("stack object too big: %v of type %v, size %d", v, t, sz)
		}
		lsym, useGCProg, ptrdata := reflectdata.GCSym(t)
		if useGCProg {
			ptrdata = -ptrdata
		}
		off = objw.Uint32(x, off, uint32(sz))
		off = objw.Uint32(x, off, uint32(ptrdata))
		off = objw.SymPtrOff(x, off, lsym)
	}

	if base.Flag.Live != 0 {
		for _, v := range vars {

// for an object of size ptrdata.  Then it fills that space with the
// pointer bitmask specified by the program prog.
// The bitmask starts at s.startAddr.
// The result must be deallocated with dematerializeGCProg.
func materializeGCProg(ptrdata uintptr, prog *byte) *mspan {
	// Each word of ptrdata needs one bit in the bitmap.
	bitmapBytes := divRoundUp(ptrdata, 8*goarch.PtrSize)

		mask[word/8] |= 1 << (word % 8)
		gcdata = &mask[0]
		ptrdata = (word + 1) * goarch.PtrSize

		// overflow word must be last
		if ptrdata != size {
			panic("reflect: bad layout computation in MapOf")
		}
	}

	b := &abi.Type{
		Align_:   goarch.PtrSize,
		Size_:    size,
		Kind_:    abi.Struct,
		PtrBytes: ptrdata,
		GCData:   gcdata,
	}

				return n
			}
		}
		return -1
	}

	strs = make([]string, nnames)

	strdata := make(map[int]string, nnames)
	strlens := make(map[int]int, nnames)

	buildStrings := func() {
		for n, strlen := range strlens {
			data := strdata[n]
			if len(data) <= strlen {
				fatalf("invalid string literal")
			}
			strs[n] = data[:strlen]
		}
	}

		pkg = *flagPluginPath
	}
	pkg = objabi.PathToPrefix(pkg)
	name := pkg + arg[dot:eq]
	value := arg[eq+1:]
	if _, ok := strdata[name]; !ok {
		strnames = append(strnames, name)
	}
	strdata[name] = value
}

// addstrdata sets the initial value of the string variable name to value.
func addstrdata(arch *sys.Arch, l *loader.Loader, name, value string) {