}
	su.SetUint32(target.Arch, offset, newinsn)
}

// Rewrite the instruction at offset into a hardware nop instruction. Also, verify the
// existing instruction under mask matches the check value.
func rewritetonop(target *ld.Target, ldr *loader.Loader, su *loader.SymbolBuilder, offset int64, mask, check uint32) {
	rewritetoinsn(target, ldr, su, offset, mask, check, OP_NOP)
}

// from stopped via the core dump bit.

const (
	mask    = 0x7F
	core    = 0x80
	exited  = 0x00
	stopped = 0x7F
	shift   = 8
)

func (w WaitStatus) Exited() bool { return w&mask == exited }

func (w WaitStatus) Signaled() bool { return w&mask != stopped && w&mask != exited }

func (w WaitStatus) Stopped() bool { return w&0xFF == stopped }

// spec in the given pod spec with type set in mask. If visitor returns false,
// visiting is short-circuited. VisitContainers returns true if visiting completes,
// false if visiting was short-circuited.
func VisitContainers(podSpec *api.PodSpec, mask ContainerType, visitor ContainerVisitor) bool {
	if mask&InitContainers != 0 {
		for i := range podSpec.InitContainers {

// Local consts.
const (
	_NBBY            = C.NBBY            // Number of bits in a byte.
	_CTL_MAXNAME     = C.CTL_MAXNAME     // Largest number of components supported.
	_CPU_LEVEL_WHICH = C.CPU_LEVEL_WHICH // Actual mask/id for which.
	_CPU_WHICH_PID   = C.CPU_WHICH_PID   // Specifies a process id.
)

const (
	EINTR     = C.EINTR
	EFAULT    = C.EFAULT
	EAGAIN    = C.EAGAIN
	ETIMEDOUT = C.ETIMEDOUT

	O_WRONLY   = C.O_WRONLY

    return BASE16;
  }

  static final class Alphabet {
    private final String name;
    // this is meant to be immutable -- don't modify it!
    private final char[] chars;
    final int mask;
    final int bitsPerChar;
    final int charsPerChunk;
    final int bytesPerChunk;
    private final byte[] decodabet;
    private final boolean[] validPadding;
    private final boolean ignoreCase;

	}
	// Increment with probability 1/(1<<(h.B-15)).
	// When we reach 1<<15 - 1, we will have approximately
	// as many overflow buckets as buckets.
	mask := uint32(1)<<(h.B-15) - 1
	// Example: if h.B == 18, then mask == 7,
	// and rand() & 7 == 0 with probability 1/8.
	if uint32(rand())&mask == 0 {
		h.noverflow++
	}
}

func (h *hmap) newoverflow(t *maptype, b *bmap) *bmap {
	var ovf *bmap

			wantContainers: []string{"i1", "i2", "c1", "c2", "e1", "e2"},
			mask:           AllContainers,
		},
	}

	for _, tc := range testCases {
		t.Run(tc.desc, func(t *testing.T) {
			if tc.mask == setAllFeatureEnabledContainersDuringTest {
				tc.mask = AllFeatureEnabledContainers()
			}

			gotContainers := []string{}
			VisitContainers(tc.spec, tc.mask, func(c *api.Container, containerType ContainerType) bool {

type policyTableEntry struct {
	Prefix     netip.Prefix
	Precedence uint8
	Label      uint8
}

type policyTable []policyTableEntry

// RFC 6724 section 2.1.
// Items are sorted by the size of their Prefix.Mask.Size,
var rfc6724policyTable = policyTable{
	{
		// "::1/128"
		Prefix:     netip.PrefixFrom(netip.AddrFrom16([16]byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x01}), 128),
		Precedence: 50,
		Label:      0,

			}
			return r
		}
		Exitf("cannot find gcmask for %s", ctxt.loader.SymName(s))
		return nil
	}
	relocs := ctxt.loader.Relocs(s)
	mask := decodeRelocSym(ctxt.loader, s, &relocs, 2*int32(ctxt.Arch.PtrSize)+8+1*int32(ctxt.Arch.PtrSize))
	return ctxt.loader.Data(mask)
}

// Type.commonType.gc
func decodetypeGcprog(ctxt *Link, s loader.Sym) []byte {
	if ctxt.loader.SymType(s) == sym.SDYNIMPORT {

func (x *Nat) assign(on choice, y *Nat) *Nat {
	// Eliminate bounds checks in the loop.
	size := len(x.limbs)
	xLimbs := x.limbs[:size]
	yLimbs := y.limbs[:size]

	mask := ctMask(on)
	for i := 0; i < size; i++ {
		xLimbs[i] ^= mask & (xLimbs[i] ^ yLimbs[i])
	}
	return x
}

// add computes x += y and returns the carry.
//
// Both operands must have the same announced length.