case objabi.R_ADDRMIPS,
		objabi.R_ADDRMIPSU:
		t := ldr.SymValue(rs) + r.Add()
		if r.Type() == objabi.R_ADDRMIPS {
			return int64(val&0xffff0000 | t&0xffff), noExtReloc, isOk
		}
		return int64(val&0xffff0000 | ((t+1<<15)>>16)&0xffff), noExtReloc, isOk
	case objabi.R_ADDRMIPSTLS:
		// thread pointer is at 0x7000 offset from the start of TLS data area
		t := ldr.SymValue(rs) + r.Add() - 0x7000
		if target.IsOpenbsd() {

	}

	// Test get/set symbol value.
	toTest := []Sym{ts2, es3}
	for i, s := range toTest {
		if v := ldr.SymValue(s); v != 0 {
			t.Errorf("ldr.Value(%d): expected 0 got %d\n", s, v)
		}
		nv := int64(i + 101)
		ldr.SetSymValue(s, nv)
		if v := ldr.SymValue(s); v != nv {
			t.Errorf("ldr.SetValue(%d,%d): expected %d got %d\n", s, nv, nv, v)
		}
	}

	// Check/set alignment

				}
				wfn.Write(P[off:r.Off()])
				off = r.Off()
				rs := r.Sym()
				switch r.Type() {
				case objabi.R_ADDR:
					writeSleb128(wfn, ldr.SymValue(rs)+r.Add())
				case objabi.R_CALL:
					writeSleb128(wfn, int64(len(hostImports))+ldr.SymValue(rs)>>16-funcValueOffset)
				case objabi.R_WASMIMPORT:
					writeSleb128(wfn, hostImportMap[rs])
				default:

			for s1 := bld.Sub(); s1 != 0; s1 = l.SubSym(s1) {
				s1Bld := l.MakeSymbolUpdater(s1)
				if sub := l.SubSym(s1); sub != 0 {
					s1Bld.SetSize(l.SymValue(sub) - l.SymValue(s1))
				} else {
					dlen := int64(len(l.Data(s)))
					s1Bld.SetSize(l.SymValue(s) + dlen - l.SymValue(s1))
				}
			}
		}

		if bld.Type() == sym.STEXT {
			if bld.OnList() {
				return errorf("symbol %s listed multiple times", bld.Name())

func (sb *SymbolBuilder) Size() int64            { return sb.size }
func (sb *SymbolBuilder) Data() []byte           { return sb.data }
func (sb *SymbolBuilder) Value() int64           { return sb.l.SymValue(sb.symIdx) }
func (sb *SymbolBuilder) Align() int32           { return sb.l.SymAlign(sb.symIdx) }
func (sb *SymbolBuilder) Localentry() uint8      { return sb.l.SymLocalentry(sb.symIdx) }

	for i, s := range syms {
		if !ldr.AttrReachable(s) {
			continue
		}
		if uint64(ldr.SymValue(s)) >= sect.Vaddr {
			syms = syms[i:]
			break
		}
	}

	eaddr := sect.Vaddr + sect.Length
	for _, s := range syms {
		if !ldr.AttrReachable(s) {
			continue
		}
		if ldr.SymValue(s) >= int64(eaddr) {
			break
		}

		out.Write8(uint8(other))
		out.Write16(uint16(shndx))
		symSize += ELF32SYMSIZE
	}
}

func putelfsym(ctxt *Link, x loader.Sym, typ elf.SymType, curbind elf.SymBind) {
	ldr := ctxt.loader
	addr := ldr.SymValue(x)
	size := ldr.SymSize(x)

	xo := x
	if ldr.OuterSym(x) != 0 {
		xo = ldr.OuterSym(x)
	}
	xot := ldr.SymType(xo)
	xosect := ldr.SymSect(xo)

	var elfshnum elf.SectionIndex

		return t

	case sym.RV_NONE:
		return t

	case sym.RV_390_DBL:
		if t&1 != 0 {
			ldr.Errorf(s, "%s+%v is not 2-byte aligned", ldr.SymName(r.Sym()), ldr.SymValue(r.Sym()))
		}
		return t >> 1
	}
}

func addpltsym(target *ld.Target, ldr *loader.Loader, syms *ld.ArchSyms, s loader.Sym) {
	if ldr.SymPlt(s) >= 0 {
		return
	}

func (l *Loader) growValues(reqLen int) {
	curLen := len(l.values)
	if reqLen > curLen {
		l.values = append(l.values, make([]int64, reqLen+1-curLen)...)
	}
}

// SymValue returns the value of the i-th symbol. i is global index.
func (l *Loader) SymValue(i Sym) int64 {
	return l.values[i]
}

// SetSymValue sets the value of the i-th symbol. i is global index.
func (l *Loader) SetSymValue(i Sym, val int64) {

		if !ldr.AttrReachable(s) {
			panic("should never happen")
		}
		if uint64(ldr.SymValue(s)) >= sect.Vaddr {
			syms = syms[i:]
			break
		}
	}

	eaddr := sect.Vaddr + sect.Length
	for _, s := range syms {
		if !ldr.AttrReachable(s) {
			continue
		}
		if ldr.SymValue(s) >= int64(eaddr) {
			break
		}

		// Compute external relocations on the go, and pass to