trap      uint64
	dar       uint64
	dsisr     uint64
	result    uint64
}

type vreg struct {
	u [4]uint32
}

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

type sigcontext struct {
	_unused     [4]uint64
	signal      int32
	_pad0       int32
	handler     uint64
	oldmask     uint64
	regs        *ptregs

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

type usigset struct {
	__val [16]uint64
}

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

type sigcontext struct {
	fault_address uint64
	/* AArch64 registers */
	regs       [31]uint64
	sp         uint64
	pc         uint64
	pstate     uint64

	_           [4]byte // EABI
	uc_mcontext mcontextt
	__uc_pad    [2]int32
}

type keventt struct {
	ident     uint64
	filter    uint32
	flags     uint32
	fflags    uint32
	pad_cgo_0 [4]byte
	data      int64
	udata     *byte
}

// created by cgo -cdefs and then converted to Go
// cgo -cdefs defs_netbsd.go defs_netbsd_arm.go

const (
	_REG_X0    = 0
	_REG_X1    = 1

	mc_spare2        [4]uint32
}

type ucontext struct {
	uc_sigmask  sigset
	uc_mcontext mcontext
	uc_link     *ucontext
	uc_stack    stackt
	uc_flags    int32
	__spare__   [4]int32
	pad_cgo_0   [12]byte
}

type timespec struct {
	tv_sec  int32
	tv_nsec int32
}

//go:nosplit
func (ts *timespec) setNsec(ns int64) {
	ts.tv_sec = timediv(ns, 1e9, &ts.tv_nsec)
}

	trap      uint64
	dar       uint64
	dsisr     uint64
	result    uint64
}

type vreg struct {
	u [4]uint32
}

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

type sigcontext struct {
	_unused     [4]uint64
	signal      int32
	_pad0       int32
	handler     uint64
	oldmask     uint64
	regs        *ptregs

	_xmm      [16]xmmreg1
	padding   [24]uint32
}

type fpreg1 struct {
	significand [4]uint16
	exponent    uint16
}

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

type mcontext struct {
	gregs       [23]uint64
	fpregs      *fpstate
	__reserved1 [8]uint64
}

type ucontext struct {
	uc_flags     uint64

	F_fsid        Fsid
	F_namemax     uint32
	F_owner       uint32
	F_ctime       uint64
	F_fstypename  [16]int8
	F_mntonname   [90]int8
	F_mntfromname [90]int8
	F_mntfromspec [90]int8
	Pad_cgo_0     [2]byte
	Mount_info    [160]byte
}

type Flock_t struct {
	Start  int64
	Len    int64
	Pid    int32
	Type   int16
	Whence int16
}

type Dirent struct {
	Fileno       uint64

	F_fsid        Fsid
	F_namemax     uint32
	F_owner       uint32
	F_ctime       uint64
	F_fstypename  [16]int8
	F_mntonname   [90]int8
	F_mntfromname [90]int8
	F_mntfromspec [90]int8
	Pad_cgo_0     [2]byte
	Mount_info    [160]byte
}

type Flock_t struct {
	Start  int64
	Len    int64
	Pid    int32
	Type   int16
	Whence int16
}

type Dirent struct {
	Fileno       uint64

		re := regexp.MustCompile("ptrace(Psw|Fpregs|Per)")
		s = re.ReplaceAllString(s, "Ptrace$1")

		// Replace padding fields inserted by cgo with blank identifiers.
		re = regexp.MustCompile("Pad_cgo[A-Za-z0-9_]*")
		s = re.ReplaceAllString(s, "_")

		// We want to keep the X_ fields that are already consistently exported
		// for the other linux GOARCH settings.
		// Hide them and restore later.