n, _ := s.sr.ReadAt(b, 0)
		if n != 12 || string(b[:4]) != "ZLIB" {
			return io.NewSectionReader(s.sr, 0, 1<<63-1)
		}

		s.compressionOffset = 12
		s.compressionType = COMPRESS_ZLIB
		s.Size = binary.BigEndian.Uint64(b[4:12])
		zrd = zlib.NewReader

	} else if s.Flags&SHF_ALLOC != 0 {
		return errorReader{&FormatError{int64(s.Offset),
			"SHF_COMPRESSED applies only to non-allocable sections", s.compressionType}}
	}

	// encoding/binary helpers to write the bytes without worrying
	// about the ordering.
	binary.BigEndian.PutUint32(sa.raw[2:6], px_proto_oe)
	// This field is deliberately big-endian, unlike the previous
	// one. The kernel expects SID to be in network byte order.
	binary.BigEndian.PutUint16(sa.raw[6:8], sa.SID)
	copy(sa.raw[8:14], sa.Remote)
	for i := 14; i < 14+IFNAMSIZ; i++ {
		sa.raw[i] = 0
	}

			zeros -= ptrBits
		}
		h.offset += ptrBits * goarch.PtrSize
	}
}

// bswapIfBigEndian swaps the byte order of the uintptr on goarch.BigEndian platforms,
// and leaves it alone elsewhere.
func bswapIfBigEndian(x uintptr) uintptr {
	if goarch.BigEndian {
		if goarch.PtrSize == 8 {
			return uintptr(sys.Bswap64(uint64(x)))
		}
		return uintptr(sys.Bswap32(uint32(x)))
	}
	return x
}

		}
		return f, nil
	}

	// Mach-O magic numbers can be big or little endian.
	machoMagicLittle := binary.LittleEndian.Uint32(header[:])
	machoMagicBig := binary.BigEndian.Uint32(header[:])

	if machoMagicLittle == macho.Magic32 || machoMagicLittle == macho.Magic64 ||
		machoMagicBig == macho.Magic32 || machoMagicBig == macho.Magic64 {
		f, err := b.openMachO(name, start, limit, offset)

// encodeUint writes an encoded unsigned integer to state.b.
func (state *encoderState) encodeUint(x uint64) {
	if x <= 0x7F {
		state.b.writeByte(uint8(x))
		return
	}

	binary.BigEndian.PutUint64(state.buf[1:], x)
	bc := bits.LeadingZeros64(x) >> 3      // 8 - bytelen(x)
	state.buf[bc] = uint8(bc - uint64Size) // and then we subtract 8 to get -bytelen(x)

	state.b.Write(state.buf[bc : uint64Size+1])
}

	case f.Header.Length <= len7:
		bts[1] = byte(f.Header.Length)
		n = 2

	case f.Header.Length <= len16:
		bts[1] = 126
		binary.BigEndian.PutUint16(bts[2:4], uint16(f.Header.Length))
		n = 4

	case f.Header.Length <= len64:
		bts[1] = 127
		binary.BigEndian.PutUint64(bts[2:10], uint64(f.Header.Length))
		n = 10

	default:
		return ws.ErrHeaderLengthUnexpected
	}

		dst = msgp.AppendBytes(dst, ver.meta)
	}

	// Update size...
	binary.BigEndian.PutUint32(dst[dataOffset-4:dataOffset], uint32(len(dst)-dataOffset))

	// Add CRC of metadata as fixed size (5 bytes)
	// Prior to v1.3 this was variable sized.
	tmp = tmp[:5]
	tmp[0] = 0xce // muint32
	binary.BigEndian.PutUint32(tmp[1:], uint32(xxhash.Sum64(dst[dataOffset:])))
	dst = append(dst, tmp[:5]...)

		elfRelType = ".rela"
	} else {
		elfRelType = ".rel"
	}

	switch ctxt.Arch.Family {
	// 64-bit architectures
	case sys.PPC64, sys.S390X:
		if ctxt.Arch.ByteOrder == binary.BigEndian && ctxt.HeadType != objabi.Hopenbsd {
			ehdr.Flags = 1 /* Version 1 ABI */
		} else {
			ehdr.Flags = 2 /* Version 2 ABI */
		}
		fallthrough
	case sys.AMD64, sys.ARM64, sys.Loong64, sys.MIPS64, sys.RISCV64:

// The index must be >= 0 and less than f.NumSettings().
func (f *http2SettingsFrame) Setting(i int) http2Setting {
	buf := f.p
	return http2Setting{
		ID:  http2SettingID(binary.BigEndian.Uint16(buf[i*6 : i*6+2])),
		Val: binary.BigEndian.Uint32(buf[i*6+2 : i*6+6]),
	}
}

func (f *http2SettingsFrame) NumSettings() int { return len(f.p) / 6 }

// HasDuplicates reports whether f contains any duplicate setting IDs.

	}

	var e binary.ByteOrder
	switch elf.Data(hdrbuf[elf.EI_DATA]) {
	case elf.ELFDATA2LSB:
		e = binary.LittleEndian

	case elf.ELFDATA2MSB:
		e = binary.BigEndian

	default:
		return errorf("malformed elf file, unknown header")
	}

	hdr := new(elf.Header32)
	binary.Read(bytes.NewReader(hdrbuf[:]), e, hdr)

	if string(hdr.Ident[:elf.EI_CLASS]) != elf.ELFMAG {