var ctrbuf, srcbuf [2048]byte
	for len(src) >= 16 {
		siz := len(src)
		if len(src) > len(ctrbuf) {
			siz = len(ctrbuf)
		}
		siz &^= 0xf // align siz to 16-bytes
		copy(srcbuf[:], src[:siz])
		cryptBlocksGCM(g.block.function, g.block.key, dst[:siz], srcbuf[:siz], ctrbuf[:], cnt)
		src = src[siz:]
		dst = dst[siz:]
	}
	if len(src) > 0 {
		var x [16]byte
		g.block.Encrypt(x[:], cnt[:])

			if isdbl {
				switch siz {
				case 2:
					elfrel = elf.R_390_PLT16DBL
				case 4:
					elfrel = elf.R_390_PLT32DBL
				}
			} else {
				switch siz {
				case 4:
					elfrel = elf.R_390_PLT32
				case 8:
					elfrel = elf.R_390_PLT64
				}
			}
		} else {
			if isdbl {
				switch siz {
				case 2:
					elfrel = elf.R_390_PC16DBL
				case 4:

	out.Write32(uint32(sectoff))

	elfsym := ld.ElfSymForReloc(ctxt, r.Xsym)
	siz := r.Size
	switch r.Type {
	default:
		return false
	case objabi.R_ADDR, objabi.R_DWARFSECREF:
		if siz == 4 {
			out.Write32(uint32(elf.R_386_32) | uint32(elfsym)<<8)
		} else {
			return false
		}
	case objabi.R_GOTPCREL:
		if siz == 4 {
			out.Write32(uint32(elf.R_386_GOTPC))

	elfsym := ld.ElfSymForReloc(ctxt, r.Xsym)
	siz := r.Size
	switch r.Type {
	default:
		return false
	case objabi.R_ADDR, objabi.R_DWARFSECREF:
		if siz == 4 {
			out.Write64(uint64(elf.R_X86_64_32) | uint64(elfsym)<<32)
		} else if siz == 8 {
			out.Write64(uint64(elf.R_X86_64_64) | uint64(elfsym)<<32)
		} else {
			return false
		}
	case objabi.R_TLS_LE:
		if siz == 4 {

			return nil, &FormatError{offset, "command block too small", nil}
		}
		cmd, siz := LoadCmd(bo.Uint32(dat[0:4])), bo.Uint32(dat[4:8])
		if siz < 8 || siz > uint32(len(dat)) {
			return nil, &FormatError{offset, "invalid command block size", nil}
		}
		var cmddat []byte
		cmddat, dat = dat[0:siz], dat[siz:]
		offset += int64(siz)
		var s *Segment
		switch cmd {
		default:

			r1.Off() != r2.Off() ||
			r1.Add() != r2.Add() ||
			r1.Siz() != r2.Siz() {
			return false
		}
	}
	return true
}

type addFunc func(l *Loader, s Sym, s2 Sym) Sym

func mkReloc(l *Loader, typ objabi.RelocType, off int32, siz uint8, add int64, sym Sym) Reloc {
	r := Reloc{&goobj.Reloc{}, l.extReader, l}
	r.SetType(typ)
	r.SetOff(off)
	r.SetSiz(siz)
	r.SetAdd(add)
	r.SetSym(sym)
	return r
}

	out.Write32(uint32(sectoff))

	elfsym := ld.ElfSymForReloc(ctxt, r.Xsym)
	siz := r.Size
	switch r.Type {
	default:
		return false
	case objabi.R_ADDR, objabi.R_DWARFSECREF:
		if siz == 4 {
			out.Write32(uint32(elf.R_ARM_ABS32) | uint32(elfsym)<<8)
		} else {
			return false
		}
	case objabi.R_PCREL:
		if siz == 4 {
			out.Write32(uint32(elf.R_ARM_REL32) | uint32(elfsym)<<8)
		} else {

	Nlen   uint8
	Alen   uint8
	Slen   uint8
	Data   [12]int8
	raw    RawSockaddrDatalink
}

// Translate "kern.hostname" to []_C_int{0,1,2,3}.
func nametomib(name string) (mib []_C_int, err error) {
	const siz = unsafe.Sizeof(mib[0])

	// NOTE(rsc): It seems strange to set the buffer to have
	// size CTL_MAXNAME+2 but use only CTL_MAXNAME
	// as the size. I don't know why the +2 is here, but the

	out.Write64(uint64(sectoff))

	elfsym := ld.ElfSymForReloc(ctxt, r.Xsym)
	siz := r.Size
	switch r.Type {
	default:
		return false
	case objabi.R_ADDR, objabi.R_DWARFSECREF:
		switch siz {
		case 4:
			out.Write64(uint64(elf.R_AARCH64_ABS32) | uint64(elfsym)<<32)
		case 8:
			out.Write64(uint64(elf.R_AARCH64_ABS64) | uint64(elfsym)<<32)

func anyToSockaddrGOOS(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
	return nil, EAFNOSUPPORT
}

// Translate "kern.hostname" to []_C_int{0,1,2,3}.
func nametomib(name string) (mib []_C_int, err error) {
	const siz = unsafe.Sizeof(mib[0])

	// NOTE(rsc): It seems strange to set the buffer to have
	// size CTL_MAXNAME+2 but use only CTL_MAXNAME
	// as the size. I don't know why the +2 is here, but the