}

// fitsInOctal reports whether the integer x fits in a field n-bytes long
// using octal encoding with the appropriate NUL terminator.
func fitsInOctal(n int, x int64) bool {
	octBits := uint(n-1) * 3
	return x >= 0 && (n >= 22 || x < 1<<octBits)
}

// parsePAXTime takes a string of the form %d.%d as described in the PAX
// specification. Note that this implementation allows for negative timestamps,

	_EV_RECEIPT   = 0
	_EV_ERROR     = 0x4000
	_EV_EOF       = 0x8000
	_EVFILT_READ  = 0x0
	_EVFILT_WRITE = 0x1
	_EVFILT_USER  = 0x8

	_NOTE_TRIGGER = 0x1000000
)

type sigset struct {
	__bits [4]uint32
}

type siginfo struct {
	_signo   int32
	_code    int32
	_errno   int32
	_reason  uintptr
	_reasonx [16]byte
}

type stackt struct {
	ss_sp    uintptr
	ss_size  uintptr

	tls_size   uintptr
	child_tid  unsafe.Pointer // *int32
	parent_tid *int32
	flags      int32
	rtp        *rtprio
	spare      [3]uintptr
}

type thread int32 // long

type sigset struct {
	__bits [4]uint32
}

type stackt struct {
	ss_sp    uintptr
	ss_size  uintptr
	ss_flags int32
}

type siginfo struct {
	si_signo  int32
	si_errno  int32
	si_code   int32
	si_pid    int32

	child_tid  unsafe.Pointer // *int64
	parent_tid *int64
	flags      int32
	pad_cgo_0  [4]byte
	rtp        *rtprio
	spare      [3]uintptr
}

type thread int64 // long

type sigset struct {
	__bits [4]uint32
}

type stackt struct {
	ss_sp     uintptr
	ss_size   uintptr
	ss_flags  int32
	pad_cgo_0 [4]byte
}

type siginfo struct {
	si_signo  int32
	si_errno  int32

	// from src/compress/lzw/reader.go:90
	{
		var d struct {
			bits     uint32
			width    uint
		}
		_ = uint16(d.bits & (1<<d.width - 1))
	}

	// from src/debug/dwarf/buf.go:116
	{
		var ux uint64
		var bits uint
		x := int64(ux)
		if x&(1<<(bits-1)) != 0 {}
	}

	// from src/encoding/asn1/asn1.go:160
	{
		var bytes []byte

		{10, 0xFFFF000000000001, 64, 63, 15, 0x400A3f10},
	}

	for i, v := range tests {
		result := encodePPC64RotateMask(v.rotate, int64(v.mask), v.nbits)
		if result != v.encoded {
			t.Errorf("encodePPC64RotateMask(%d,0x%x,%d) = 0x%x, expected 0x%x", v.rotate, v.mask, v.nbits, result, v.encoded)
		}
		rotate, mb, me, mask := DecodePPC64RotateMask(result)
		if rotate != v.rotate || mb != v.mb || me != v.me || mask != v.mask {

	tls_size   uintptr
	child_tid  unsafe.Pointer // *int32
	parent_tid *int32
	flags      int32
	rtp        *rtprio
	spare      [3]uintptr
}

type thread int32 // long

type sigset struct {
	__bits [4]uint32
}

type stackt struct {
	ss_sp    uintptr
	ss_size  uintptr
	ss_flags int32
}

type siginfo struct {
	si_signo  int32
	si_errno  int32
	si_code   int32
	si_pid    int32

	child_tid  unsafe.Pointer // *int64
	parent_tid *int64
	flags      int32
	pad_cgo_0  [4]byte
	rtp        *rtprio
	spare      [3]uintptr
}

type thread int64 // long

type sigset struct {
	__bits [4]uint32
}

type stackt struct {
	ss_sp     uintptr
	ss_size   uintptr
	ss_flags  int32
	pad_cgo_0 [4]byte
}

type siginfo struct {
	si_signo  int32
	si_errno  int32

//go:nosplit
func setSignalstackSP(s *stackt, sp uintptr) {
	s.ss_sp = sp
}

//go:nosplit
//go:nowritebarrierrec
func sigaddset(mask *sigset, i int) {
	mask.__bits[(i-1)/32] |= 1 << ((uint32(i) - 1) & 31)
}

func sigdelset(mask *sigset, i int) {
	mask.__bits[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31)
}

//go:nosplit
func (c *sigctxt) fixsigcode(sig uint32) {
}

func setProcessCPUProfiler(hz int32) {

	child_tid  unsafe.Pointer // *int64
	parent_tid *int64
	flags      int32
	pad_cgo_0  [4]byte
	rtp        *rtprio
	spare      [3]uintptr
}

type thread int64 // long

type sigset struct {
	__bits [4]uint32
}

type stackt struct {
	ss_sp     uintptr
	ss_size   uintptr
	ss_flags  int32
	pad_cgo_0 [4]byte
}

type siginfo struct {
	si_signo  int32
	si_errno  int32