0x5e, 0x82, 0x3e, 0xba, 0x00, 0x44, 0x12, 0x67,
			0x12, 0x57, 0xb8, 0xd8, 0x60, 0xae, 0x4c, 0xbd,
			0x4c, 0x49, 0x06, 0xbb, 0xc5, 0x35, 0xef, 0xe1,
			0x58, 0x7f, 0x08, 0xdb, 0x33, 0x95, 0x5c, 0xdb,
			0xcb, 0xad, 0x9b, 0x10, 0xf5, 0x3f, 0xc4, 0xe5,
			0x2c, 0x59, 0x15, 0x65, 0x51, 0x84, 0x87, 0xfe,
			0x08, 0x4d, 0x0e, 0x3f, 0x03, 0xde, 0xbc, 0xc9,
			0xda, 0x1c, 0xe9, 0x0d, 0x08, 0x5c, 0x2d, 0x8a,

	BYTE $0x3e; BYTE $0x99; BYTE $0xc5; BYTE $0x9c;
	BYTE $0xf9; BYTE $0x11; BYTE $0xcb; BYTE $0x8e;
	BYTE $0x80; BYTE $0xda;  BYTE $0xf1; BYTE $0x2f;
	END

// FIPSOnly indicates that crypto/tls/fipsonly is present.
TEXT ·FIPSOnly(SB),NOSPLIT,$0
	START
	BYTE $0x36; BYTE $0x3C; BYTE $0xB9; BYTE $0xCE;
	BYTE $0x9D; BYTE $0x68; BYTE $0x04; BYTE $0x7D;
	BYTE $0x31; BYTE $0xF2; BYTE $0x8D; BYTE $0x32;

	MOVQ	32(SP), R10
	MOVQ	R10, g(BX)

	// call noted(AX)
	MOVQ	AX, 0(SP)
	CALL	runtime·noted(SB)
	RET

TEXT runtime·setfpmasks(SB),NOSPLIT,$8
	STMXCSR	0(SP)
	MOVL	0(SP), AX
	ANDL	$~0x3F, AX
	ORL	$(0x3F<<7), AX
	MOVL	AX, 0(SP)
	LDMXCSR	0(SP)
	RET

#define ERRMAX 128	/* from os_plan9.h */

// void errstr(int8 *buf, int32 len)
TEXT errstr<>(SB),NOSPLIT,$0
	MOVQ    $41, BP
	SYSCALL

	t3 = 0xE0 // 1110 0000
	t4 = 0xF0 // 1111 0000
	t5 = 0xF8 // 1111 1000

	maskx = 0x3F // 0011 1111
	mask2 = 0x1F // 0001 1111
	mask3 = 0x0F // 0000 1111
	mask4 = 0x07 // 0000 0111

	rune1Max = 1<<7 - 1
	rune2Max = 1<<11 - 1
	rune3Max = 1<<16 - 1

	// The default lowest and highest continuation byte.
	locb = 0x80 // 1000 0000
	hicb = 0xBF // 1011 1111
)

// countrunes returns the number of runes in s.

// trailing CCC shifted left 2 bits. The two least-significant bits of tccc
// are the number of trailing non-starters.

const (
	qcInfoMask      = 0x3F // to clear all but the relevant bits in a qcInfo
	headerLenMask   = 0x3F // extract the length value from the header byte
	headerFlagsMask = 0xC0 // extract the qcInfo bits from the header byte
)

// trailing CCC shifted left 2 bits. The two least-significant bits of tccc
// are the number of trailing non-starters.

const (
	qcInfoMask      = 0x3F // to clear all but the relevant bits in a qcInfo
	headerLenMask   = 0x3F // extract the length value from the header byte
	headerFlagsMask = 0xC0 // extract the qcInfo bits from the header byte
)

//	2 = double precision a.k.a. float64
//
// Bits 10-11 are the rounding mode:
//
//	0 = round to nearest (even on a tie)
//	3 = round toward zero
var (
	controlWord64      uint16 = 0x3f + 2<<8 + 0<<10
	controlWord64trunc uint16 = 0x3f + 2<<8 + 3<<10

	// to how other linkers handle this (for example this code in lld:
	// https://github.com/llvm/llvm-project/blob/2a3a79ce4c2149d7787d56f9841b66cacc9061d0/lld/MachO/Writer.cpp#L524).
	rv[6] &= 0xcf
	rv[6] |= 0x30
	rv[8] &= 0x3f
	rv[8] |= 0xc0

	return rv
}

// machoRewriteUuid copies over the contents of the Macho executable
// exef into the output file outexe, and in the process updates the

   * also demonstrates how sparse the lookup table is.
   */
  @Test
  fun allFormattedFlagsWithValidBits() {
    val formattedFlags = mutableListOf<String>() // Highest valid flag is 0x20.
    for (i in 0..0x3f) formattedFlags.add(formatFlags(TYPE_HEADERS, i))
    assertThat(formattedFlags).containsExactly(
      "",
      "END_STREAM",
      "00000010",
      "00000011",
      "END_HEADERS",

		"OFB-AES128",
		commonKey128,
		commonIV,
		commonInput,
		[]byte{
			0x3b, 0x3f, 0xd9, 0x2e, 0xb7, 0x2d, 0xad, 0x20, 0x33, 0x34, 0x49, 0xf8, 0xe8, 0x3c, 0xfb, 0x4a,
			0x77, 0x89, 0x50, 0x8d, 0x16, 0x91, 0x8f, 0x03, 0xf5, 0x3c, 0x52, 0xda, 0xc5, 0x4e, 0xd8, 0x25,
			0x97, 0x40, 0x05, 0x1e, 0x9c, 0x5f, 0xec, 0xf6, 0x43, 0x44, 0xf7, 0xa8, 0x22, 0x60, 0xed, 0xcc,
			0x30, 0x4c, 0x65, 0x28, 0xf6, 0x59, 0xc7, 0x78, 0x66, 0xa5, 0x10, 0xd9, 0xc1, 0xd6, 0xae, 0x5e,