}

func (sb *SymbolBuilder) addSymRef(tgt Sym, add int64, typ objabi.RelocType, rsize int) int64 {
	if sb.kind == 0 {
		sb.kind = sym.SDATA
	}
	i := sb.size

	sb.size += int64(rsize)
	sb.Grow(sb.size)

	r, _ := sb.AddRel(typ)
	r.SetSym(tgt)
	r.SetOff(int32(i))
	r.SetSiz(uint8(rsize))
	r.SetAdd(add)

	return i + int64(rsize)
}

				}
				reloc.VirtualAddress = uint64(rel.Rvaddr)
				reloc.Symbol = idxToSym[int(rel.Rsymndx)]
				reloc.Type = rel.Rtype
				reloc.Length = rel.Rsize&0x3F + 1

				if rel.Rsize&0x80 != 0 {
					reloc.Signed = true
				}
				if rel.Rsize&0x40 != 0 {
					reloc.InstructionFixed = true
				}

			case U64_TOCMAGIC:
				rel := new(Reloc64)

			rType := objabi.ElfRelocOffset + objabi.RelocType(relocType)
			rSize, addendSize, err := relSize(arch, pn, uint32(relocType))
			if err != nil {
				return nil, 0, err
			}
			if rela != 0 {
				rAdd = int64(add)
			} else {
				// load addend from image
				if rSize == 4 {
					rAdd = int64(e.Uint32(sect.base[rOff:]))
				} else if rSize == 8 {
					rAdd = int64(e.Uint64(sect.base[rOff:]))
				} else {

type Reloc32 struct {
	Rvaddr  uint32 // (virtual) address of reference
	Rsymndx uint32 // Index into symbol table
	Rsize   uint8  // Sign and reloc bit len
	Rtype   uint8  // Toc relocation type
}

type Reloc64 struct {
	Rvaddr  uint64 // (virtual) address of reference
	Rsymndx uint32 // Index into symbol table
	Rsize   uint8  // Sign and reloc bit len
	Rtype   uint8  // Toc relocation type
}

const (

		if bld.Type() != 0 {
			return errorf("duplicate %s/%s", sect.segname, sect.name)
		}

		if sect.flags&0xff == 1 { // S_ZEROFILL
			bld.SetData(make([]byte, sect.size))
		} else {
			bld.SetReadOnly(readOnly)
			bld.SetData(dat[sect.addr-c.seg.vmaddr:][:sect.size])
		}
		bld.SetSize(int64(len(bld.Data())))

		if sect.segname == "__TEXT" {
			if sect.name == "__text" {
				bld.SetType(sym.STEXT)
			} else {

	sectsyms        map[*pe.Section]loader.Sym
	comdats         map[uint16]int64 // key is section index, val is size
	sectdata        map[*pe.Section][]byte
	localSymVersion int
}

// comdatDefinitions records the names of symbols for which we've
// previously seen a definition in COMDAT. Key is symbol name, value
// is symbol size (or -1 if we're using the "any" strategy).
var comdatDefinitions map[string]int64

func quotToFloat32(a, b nat) (f float32, exact bool) {
	const (
		// float size in bits
		Fsize = 32

		// mantissa
		Msize  = 23
		Msize1 = Msize + 1 // incl. implicit 1
		Msize2 = Msize1 + 1

		// exponent
		Esize = Fsize - Msize1
		Ebias = 1<<(Esize-1) - 1
		Emin  = 1 - Ebias
		Emax  = Ebias
	)

	// TODO(adonovan): specialize common degenerate cases: 1.0, integers.

                do {
                    long ooff = 0;
                    while ( ooff < size ) {
                        long wsize = size - ooff;
                        if ( wsize > byteLimit ) {
                            wsize = byteLimit;
                        }

                        int chunks = (int) ( wsize / maxChunkSize );
                        int lastChunkSize;

		intRegs += uint64(typ.intRegs)
		floatRegs += uint64(typ.floatRegs)
	}

	// Final size includes trailing padding.
	size = RoundUp(size, int64(maxAlign))

	if intRegs > math.MaxUint8 || floatRegs > math.MaxUint8 {
		intRegs = math.MaxUint8
		floatRegs = math.MaxUint8
	}

	t.width = size
	t.align = maxAlign
	t.intRegs = uint8(intRegs)
	t.floatRegs = uint8(floatRegs)

		fsize := size + size&1
		if fsize < 0 || fsize < size {
			return errCorruptArchive
		}
		switch name {
		case "__.PKGDEF":
			r.a.Entries = append(r.a.Entries, Entry{
				Name:  name,
				Type:  EntryPkgDef,
				Mtime: mtime,
				Uid:   uid,
				Gid:   gid,
				Mode:  mode,
				Data:  Data{r.offset, size},
			})
			r.skip(size)
		case "preferlinkext", "dynimportfail":
			if size == 0 {