// execute write barriers.
		for _, datap := range activeModules() {
			if datap.data <= dst && dst < datap.edata {
				bulkBarrierBitmap(dst, src, size, dst-datap.data, datap.gcdatamask.bytedata)
				return
			}
		}
		for _, datap := range activeModules() {
			if datap.bss <= dst && dst < datap.ebss {
				bulkBarrierBitmap(dst, src, size, dst-datap.bss, datap.gcbssmask.bytedata)
				return
			}
		}

		for _, datap := range activeModules() {
			workDone += markrootBlock(datap.data, datap.edata-datap.data, datap.gcdatamask.bytedata, gcw, int(i-work.baseData))
		}

	case work.baseBSS <= i && i < work.baseSpans:
		workCounter = &gcController.globalsScanWork
		for _, datap := range activeModules() {
			workDone += markrootBlock(datap.bss, datap.ebss-datap.bss, datap.gcbssmask.bytedata, gcw, int(i-work.baseBSS))

		}

		if oldB >= dst.B { // main bucket bits in dst is less than oldB bits in src
			dstBmap := (*bmap)(add(dst.buckets, (uintptr(i)&bucketMask(dst.B))*uintptr(t.BucketSize)))
			for dstBmap.overflow(t) != nil {
				dstBmap = dstBmap.overflow(t)
			}
			pos := 0
			for srcBmap != nil {
				dstBmap, pos = moveToBmap(t, dst, dstBmap, pos, srcBmap)
				srcBmap = srcBmap.overflow(t)
			}
			continue
		}

	}
	if base, _, _ := findObject(p2, 0, 0); base != 0 {
		return "heap"
	}
	for _, datap := range activeModules() {
		if datap.data <= p2 && p2 < datap.edata || datap.noptrdata <= p2 && p2 < datap.enoptrdata {
			return "data"
		}
		if datap.bss <= p2 && p2 < datap.ebss || datap.noptrbss <= p2 && p2 <= datap.enoptrbss {
			return "bss"
		}
	}
	KeepAlive(p)
	return "other"

		} else {
			relocSect(ctxt, sect, ctxt.datap)
		}
	}

	for _, sect := range Segrodata.Sections {
		relocSect(ctxt, sect, ctxt.datap)
	}
	for _, sect := range Segrelrodata.Sections {
		relocSect(ctxt, sect, ctxt.datap)
	}
	for _, sect := range Segdata.Sections {
		relocSect(ctxt, sect, ctxt.datap)
	}
	for i := 0; i < len(Segdwarf.Sections); i++ {

	// them an empty string of data, rather than NULL.
	if data == "" {
		return mount(source, target, fstype, flags, nil)
	}
	datap, err := BytePtrFromString(data)
	if err != nil {
		return err
	}
	return mount(source, target, fstype, flags, datap)
}

//sys	mountSetattr(dirfd int, pathname string, flags uint, attr *MountAttr, size uintptr) (err error) = SYS_MOUNT_SETATTR

		n := uint32(0)
		for _, seg := range s.segs {
			for _, sect := range seg.Sections {
				if sect.Name == ".text" {
					n += relocsect(sect, ctxt.Textp, 0)
				} else {
					n += relocsect(sect, ctxt.datap, 0)
				}
			}
		}
		s.xcoffSect.Snreloc += n
	}

dwarfLoop:
	for i := 0; i < len(Segdwarf.Sections); i++ {
		sect := Segdwarf.Sections[i]
		si := dwarfp[i]