func Elfwritedynentsymplus(ctxt *Link, s *loader.SymbolBuilder, tag elf.DynTag, t loader.Sym, add int64) {
	if elf64 {
		s.AddUint64(ctxt.Arch, uint64(tag))
	} else {
		s.AddUint32(ctxt.Arch, uint32(tag))
	}
	s.AddAddrPlus(ctxt.Arch, t, add)
}

func elfwritedynentsymsize(ctxt *Link, s *loader.SymbolBuilder, tag elf.DynTag, t loader.Sym) {
	if elf64 {
		s.AddUint64(ctxt.Arch, uint64(tag))
	} else {

	ds := loader.Sym(s.(dwSym))
	dsu := c.ldr.MakeSymbolUpdater(ds)
	if value != 0 {
		value -= dsu.Value()
	}
	tgtds := loader.Sym(data.(dwSym))
	dsu.AddAddrPlus(c.arch, tgtds, value)
}

func (c dwctxt) AddCURelativeAddress(s dwarf.Sym, data interface{}, value int64) {
	ds := loader.Sym(s.(dwSym))
	dsu := c.ldr.MakeSymbolUpdater(ds)
	if value != 0 {

	// The ftab slice
	slice(pcln.pclntab, uint64(pcln.nfunc+1))

	// findfunctab
	moduledata.AddAddr(ctxt.Arch, pcln.findfunctab)
	// minpc, maxpc
	moduledata.AddAddr(ctxt.Arch, pcln.firstFunc)
	moduledata.AddAddrPlus(ctxt.Arch, pcln.lastFunc, ldr.SymSize(pcln.lastFunc))
	// pointers to specific parts of the module
	moduledata.AddAddr(ctxt.Arch, ldr.Lookup("runtime.text", 0))
	moduledata.AddAddr(ctxt.Arch, ldr.Lookup("runtime.etext", 0))

		if target.Arch.PtrSize == 8 {
			rela := ldr.MakeSymbolUpdater(syms.Rela)
			rela.AddAddrPlus(target.Arch, got.Sym(), int64(ldr.SymGot(s)))
			rela.AddUint64(target.Arch, elf.R_INFO(uint32(ldr.SymDynid(s)), elfRelocTyp))
			rela.AddUint64(target.Arch, 0)
		} else {
			rel := ldr.MakeSymbolUpdater(syms.Rel)
			rel.AddAddrPlus(target.Arch, got.Sym(), int64(ldr.SymGot(s)))

			switch ctxt.Arch.Family {
			default:
				return fmt.Errorf("internal error in windynrelocsym: unsupported arch %v", ctxt.Arch.Family)
			case sys.I386:
				rel.AddUint8(0xff)
				rel.AddUint8(0x25)
				rel.AddAddrPlus(ctxt.Arch, targ, 0)
				rel.AddUint8(0x90)
				rel.AddUint8(0x90)
			case sys.AMD64:
				rel.AddUint8(0xff)
				rel.AddUint8(0x24)
				rel.AddUint8(0x25)
				rel.AddAddrPlus4(ctxt.Arch, targ, 0)