}
	globalMapInitLsyms[s] = struct{}{}
}

// weakenGlobalMapInitRelocs walks through all of the relocations on a
// given a package init function "fn" and looks for relocs that target
// outlined global map initializer functions; if it finds any such
// relocs, it flags them as R_WEAK.
func weakenGlobalMapInitRelocs(fn *ir.Func) {
	if globalMapInitLsyms == nil {
		return
	}
	for i := range fn.LSym.R {

			off = xdata.Size()
			uwcache[name] = off
			xdata.AddBytes(ldr.Data(uw))
			// The SEH unwind data can contain relocations,
			// make sure those are copied over.
			rels := ldr.Relocs(uw)
			for i := 0; i < rels.Count(); i++ {
				r := rels.At(i)
				rel, _ := xdata.AddRel(r.Type())
				rel.SetOff(int32(off) + r.Off())
				rel.SetSiz(r.Siz())
				rel.SetSym(r.Sym())
				rel.SetAdd(r.Add())
			}
		}

		return true
	}

	// Handle references to ELF symbols from our own object files.
	if targType != sym.SDYNIMPORT {
		return true
	}

	// Reread the reloc to incorporate any changes in type above.
	relocs := ldr.Relocs(s)
	r = relocs.At(rIdx)

	switch r.Type() {
	case objabi.R_CALL,
		objabi.R_PCREL:
		if target.IsExternal() {
			// External linker will do this relocation.
			return true
		}

	initfunc.AddSymRef(ctxt.Arch, ctxt.Moduledata, 6, objabi.R_PCREL, 4)
	r1 := initfunc.Relocs()
	ldr.SetRelocVariant(initfunc.Sym(), r1.Count()-1, sym.RV_390_DBL)

	// jg <runtime.addmoduledata[@plt]>
	initfunc.AddUint8(0xc0)
	initfunc.AddUint8(0xf4)
	initfunc.AddSymRef(ctxt.Arch, addmoduledata, 6, objabi.R_CALL, 4)
	r2 := initfunc.Relocs()
	ldr.SetRelocVariant(initfunc.Sym(), r2.Count()-1, sym.RV_390_DBL)

	// undef (for debugging)

	arch := importSymsState.arch
	keeprelocneeded := make(map[loader.Sym]loader.Sym)
	for _, s := range importSymsState.secSyms {
		isText := ldr.SymType(s) == sym.STEXT
		relocs := ldr.Relocs(s)
		for i := 0; i < relocs.Count(); i++ {
			r := relocs.At(i)
			rs := r.Sym()
			if ldr.SymType(rs) == sym.SDYNIMPORT {
				// Tag the symbol for later stub generation.
				ldr.SetPlt(rs, CreateImportStubPltToken)
				continue

	Addr   uint64  // virtual address of symbol
	Size   int64   // size in bytes
	Code   rune    // nm code (T for text, D for data, and so on)
	Type   string  // XXX?
	Relocs []Reloc // in increasing Addr order
}

type Reloc struct {
	Addr     uint64 // Address of first byte that reloc applies to.
	Size     uint64 // Number of bytes
	Stringer RelocStringer
}

type RelocStringer interface {

			relocs := ldr.Relocs(s)
			sorted := make([]int, relocs.Count())
			for i := 0; i < relocs.Count(); i++ {
				sorted[i] = i
			}
			sort.Slice(sorted, func(i, j int) bool {
				return relocs.At(sorted[i]).Off() < relocs.At(sorted[j]).Off()
			})

			for _, ri := range sorted {
				r := relocs.At(ri)
				rr, ok := extreloc(ctxt, ldr, s, r)
				if !ok {

		// TODO(aix): Dwarf section relocation if needed
		if sect.Type != xcoff.STYP_TEXT && sect.Type != xcoff.STYP_DATA {
			continue
		}
		sb := l.MakeSymbolUpdater(sect.sym)
		for _, rx := range sect.Relocs {
			rSym := l.LookupOrCreateCgoExport(rx.Symbol.Name, 0)
			if uint64(int32(rx.VirtualAddress)) != rx.VirtualAddress {
				return errorf("virtual address of a relocation is too big: 0x%x", rx.VirtualAddress)
			}

func computeDeferReturn(ctxt *Link, deferReturnSym, s loader.Sym) uint32 {
	ldr := ctxt.loader
	target := ctxt.Target
	deferreturn := uint32(0)
	lastWasmAddr := uint32(0)

	relocs := ldr.Relocs(s)
	for ri := 0; ri < relocs.Count(); ri++ {
		r := relocs.At(ri)
		if target.IsWasm() && r.Type() == objabi.R_ADDR {
			// wasm/ssa.go generates an ARESUMEPOINT just
			// before the deferreturn call. The "PC" of

		// to stream out.
		relocs := ldr.Relocs(s)
		for ri := 0; ri < relocs.Count(); ri++ {
			r := relocs.At(ri)
			rr, ok := extreloc(ctxt, ldr, s, r)
			if !ok {
				continue
			}
			if rr.Xsym == 0 {
				ldr.Errorf(s, "missing xsym in relocation")
				continue
			}
			if !ldr.AttrReachable(rr.Xsym) {