MOVW	n+8(FP), R6
	MOVW	$SYS_write, R2
	SYSCALL
	BEQ	R7, 2(PC)
	SUBU	R2, R0, R2	// caller expects negative errno
	MOVW	R2, ret+12(FP)
	RET

TEXT runtime·read(SB),NOSPLIT,$0-16
	MOVW	fd+0(FP), R4
	MOVW	p+4(FP), R5
	MOVW	n+8(FP), R6
	MOVW	$SYS_read, R2
	SYSCALL
	BEQ	R7, 2(PC)
	SUBU	R2, R0, R2	// caller expects negative errno
	MOVW	R2, ret+12(FP)
	RET

// func pipe2(flags int32) (r, w int32, errno int32)

	uvone    = 0x3FF0000000000000
	mask     = 0x7FF
	shift    = 64 - 11 - 1
	bias     = 1023
	signMask = 1 << 63
	fracMask = 1<<shift - 1
)

// Inf returns positive infinity if sign >= 0, negative infinity if sign < 0.
func Inf(sign int) float64 {
	var v uint64
	if sign >= 0 {
		v = uvinf
	} else {
		v = uvneginf
	}
	return Float64frombits(v)
}

// NaN returns an IEEE 754 “not-a-number” value.

    if (value < 0) {
      throw new IllegalArgumentException(name + " cannot be negative but was: " + value);
    }
    return value;
  }

  @CanIgnoreReturnValue
  static long checkNonnegative(long value, String name) {
    if (value < 0) {
      throw new IllegalArgumentException(name + " cannot be negative but was: " + value);
    }
    return value;
  }

	// Offsetsof must implement the offset guarantees required by the spec.
	// A negative entry in the result indicates that the struct is too large.
	Offsetsof(fields []*Var) []int64

	// Sizeof returns the size of a variable of type T.
	// Sizeof must implement the size guarantees required by the spec.
	// A negative result indicates that T is too large.
	Sizeof(T Type) int64
}

	SYSCALL
	BEQ	R7, 2(PC)
	SUBVU	R2, R0, R2	// caller expects negative errno
	MOVW	R2, ret+24(FP)
	RET

// func pipe2(flags int32) (r, w int32, errno int32)
TEXT runtime·pipe2(SB),NOSPLIT|NOFRAME,$0-20
	MOVV	$r+8(FP), R4
	MOVW	flags+0(FP), R5
	MOVV	$101, R2		// sys_pipe2
	SYSCALL
	BEQ	R7, 2(PC)
	SUBVU	R2, R0, R2	// caller expects negative errno
	MOVW	R2, errno+16(FP)
	RET

	// Offsetsof must implement the offset guarantees required by the spec.
	// A negative entry in the result indicates that the struct is too large.
	Offsetsof(fields []*Var) []int64

	// Sizeof returns the size of a variable of type T.
	// Sizeof must implement the size guarantees required by the spec.
	// A negative result indicates that T is too large.
	Sizeof(T Type) int64
}

		// nil pointer with zero length returns nil
		assert(unsafe.Slice((*int)(nil), 0) == nil)

		// nil pointer with positive length panics
		mustPanic(func() { _ = unsafe.Slice((*int)(nil), 1) })

		// negative length
		var neg int = -1
		mustPanic(func() { _ = unsafe.Slice(new(byte), neg) })

		// length too large
		var tooBig uint64 = math.MaxUint64
		mustPanic(func() { _ = unsafe.Slice(new(byte), tooBig) })

apiVersion: release-notes/v2
kind: bug-fix
area: security

releaseNotes:
- |

// of repeatedly changing that fake clock by an amount of time chosen
// uniformly at random from a range that goes from a little negative
// to somewhat more than two milliseconds.  The negative changes are
// included because small negative changes have been observed in real
// monotonic clock readings (see issue #96459) and we want to test
// that they are properly tolerated.  The designed toleration is to

type timeHistogram struct {
	counts [timeHistNumBuckets * timeHistNumSubBuckets]atomic.Uint64

	// underflow counts all the times we got a negative duration
	// sample. Because of how time works on some platforms, it's
	// possible to measure negative durations. We could ignore them,
	// but we record them anyway because it's better to have some
	// signal that it's happening than just missing samples.