_O_TRUNC     = 0x200
	_O_NONBLOCK  = 0x800
	_O_CLOEXEC   = 0x80000
	_SA_RESTORER = 0
)

type ptregs struct {
	gpr       [32]uint64
	nip       uint64
	msr       uint64
	orig_gpr3 uint64
	ctr       uint64
	link      uint64
	xer       uint64
	ccr       uint64
	softe     uint64
	trap      uint64
	dar       uint64
	dsisr     uint64
	result    uint64
}

type vreg struct {

	CMPU	R6, $8, CR6	// Check if 8 ≤ n < 64 bytes
	BLE	CR6, small	// <= 8
	BLT	CR7, xor32	// Case for 32 ≤ n < 64 bytes

	// Case for n ≥ 64 bytes
preloop64:
	SRD	$6, R6, R7	// Set up loop counter
	MOVD	R7, CTR
	MOVD	$16, R10
	MOVD	$32, R14
	MOVD	$48, R15
	ANDCC	$63, R6, R9	// Check for tailing bytes for later
	PCALIGN $16
	// Case for >= 64 bytes
	// Process 64 bytes per iteration
	// Load 4 vectors of a and b

	RLDIMI	$32, R5, $0, R5	// fill reg with the byte to count
#endif

	CMPU	R4, $32		// Check if it's a small string (<32 bytes)
	BLT	tail		// Jump to the small string case
	SRD	$5, R4, R20
	MOVD	R20, CTR
	MOVD	$16, R21
	XXLXOR	V4, V4, V4
	XXLXOR	V5, V5, V5

	PCALIGN	$16
cmploop:
	LXVD2X	(R0)(R3), V0	// Count 32B per loop with two vector accumulators.
	LXVD2X	(R21)(R3), V2
	VCMPEQUB V2, V1, V2

func newPod(namespace string) api.Pod {
	return api.Pod{
		ObjectMeta: metav1.ObjectMeta{Name: "123", Namespace: namespace},
		Spec: api.PodSpec{
			Volumes:    []api.Volume{{Name: "vol"}},
			Containers: []api.Container{{Name: "ctr", Image: "image"}},
		},
	}
}

// TestAdmissionNamespaceExists verifies pod is admitted only if namespace exists.
func TestAdmissionNamespaceExists(t *testing.T) {
	namespace := "test"

//go:nosplit
//go:nowritebarrierrec
func (c *sigctxt) pc() uint64 { return c.regs().sc_pc }

func (c *sigctxt) trap() uint64 { return 0 /* XXX - c.regs().trap */ }
func (c *sigctxt) ctr() uint64  { return c.regs().sc_ctr }
func (c *sigctxt) link() uint64 { return c.regs().sc_lr }
func (c *sigctxt) xer() uint64  { return c.regs().sc_xer }
func (c *sigctxt) ccr() uint64  { return c.regs().sc_cr }

func newPod(namespace string) api.Pod {
	return api.Pod{
		ObjectMeta: metav1.ObjectMeta{Name: "123", Namespace: namespace},
		Spec: api.PodSpec{
			Volumes:    []api.Volume{{Name: "vol"}},
			Containers: []api.Container{{Name: "ctr", Image: "image"}},
		},
	}
}

// hasCreateNamespaceAction returns true if it has the create namespace action
func hasCreateNamespaceAction(mockClient *fake.Clientset) bool {

	ADD	R31, a; \
	ROTLW	$shift, a; \
	ADD	b, a;


TEXT ·block(SB),NOSPLIT,$0-32
	MOVD	dig+0(FP), R10
	MOVD	p+8(FP), R6
	MOVD	p_len+16(FP), R5

	// We assume p_len >= 64
	SRD 	$6, R5
	MOVD	R5, CTR

	MOVWZ	0(R10), R22
	MOVWZ	4(R10), R3
	MOVWZ	8(R10), R4
	MOVWZ	12(R10), R5

loop:
	MOVD	R22, R14
	MOVD	R3, R15
	MOVD	R4, R16
	MOVD	R5, R17

	ENDIAN_MOVE( 0,R6,M00,M15)

}

func (s *sstate) VisitFuncCounterData(data decodecounter.FuncPayload) {
	key := pkfunc{pk: data.PkgIdx, fcn: data.FuncIdx}

	if *verbflag >= 5 {
		fmt.Printf("ctr visit fid=%d pk=%d inidx=%d data.Counters=%+v\n", data.FuncIdx, data.PkgIdx, s.inidx, data.Counters)
	}

	// If we're processing counter data from the initial (first) input

	BLE	check17_32	// Do a pair of overlapping VSR compares
	CMP	R5, $64
	BLE	check33_64	// Hybrid check + overlap compare.

setup64:
	SRD	$6, R5, R6	// number of 64 byte chunks to compare
	MOVD	R6, CTR
	MOVD	$16, R14	// index for VSX loads and stores
	MOVD	$32, R15
	MOVD	$48, R16
	ANDCC	$0x3F, R5, R5	// len%64==0?

	PCALIGN $16
loop64:
	LXVD2X	(R8+R0), V0
	LXVD2X	(R4+R0), V1

	MOVD	$16,R10
	BLT	cmp8
	BLT	CR1,cmp16
	BLT	CR2,cmp32

cmp64:	// >= 64B
	DCBT	(R5)		// optimize for size>=64
	DCBT	(R6)		// cache hint

	SRD	$6,R9,R14	// There is at least one iteration.
	MOVD	R14,CTR
	ANDCC   $63,R9,R9
	CMP	R9,$16,CR1	// Do setup for tail check early on.
	CMP	R9,$32,CR2
	CMP	R9,$48,CR3
	ADD	$-16,R9,R9

	MOVD	$32,R11		// set offsets to load into vector