end := uintptr(0)
	if start > firstmoduledata.noptrdata {
		start = firstmoduledata.noptrdata
	}
	if start > firstmoduledata.data {
		start = firstmoduledata.data
	}
	if start > firstmoduledata.noptrbss {
		start = firstmoduledata.noptrbss
	}
	if start > firstmoduledata.bss {
		start = firstmoduledata.bss
	}
	if end < firstmoduledata.enoptrdata {
		end = firstmoduledata.enoptrdata
	}

	//	func main() {
	//		runtime.SetFinalizer(Foo, nil)
	//	}
	// The relevant segments are: noptrdata, data, bss, noptrbss.
	// We cannot assume they are in any order or even contiguous,
	// due to external linking.
	for datap := &firstmoduledata; datap != nil; datap = datap.next {
		if datap.noptrdata <= uintptr(p) && uintptr(p) < datap.enoptrdata ||
			datap.data <= uintptr(p) && uintptr(p) < datap.edata ||

	cutab        []uint32
	filetab      []byte
	pctab        []byte
	pclntable    []byte
	ftab         []functab
	findfunctab  uintptr
	minpc, maxpc uintptr

	text, etext           uintptr
	noptrdata, enoptrdata uintptr
	data, edata           uintptr
	bss, ebss             uintptr
	noptrbss, enoptrbss   uintptr
	covctrs, ecovctrs     uintptr
	end, gcdata, gcbss    uintptr
	types, etypes         uintptr