ts.tv_sec = ns / 1e9
	ts.tv_nsec = ns % 1e9
}

type exceptionstate64 struct {
	far uint64 // virtual fault addr
	esr uint32 // exception syndrome
	exc uint32 // number of arm exception taken
}

type regs64 struct {
	x     [29]uint64 // registers x0 to x28
	fp    uint64     // frame register, x29
	lr    uint64     // link register, x30
	sp    uint64     // stack pointer, x31

	Metric       uint32
	Rdomain      uint32
	Baudrate     uint64
	Ipackets     uint64
	Ierrors      uint64
	Opackets     uint64
	Oerrors      uint64
	Collisions   uint64
	Ibytes       uint64
	Obytes       uint64
	Imcasts      uint64
	Omcasts      uint64
	Iqdrops      uint64
	Oqdrops      uint64
	Noproto      uint64
	Capabilities uint32
	_            [4]byte
	Lastchange   Timeval
}

	Datalen    uint16
	Mtu        uint32
	Metric     uint32
	Baudrate   uint64
	Ipackets   uint64
	Ierrors    uint64
	Opackets   uint64
	Oerrors    uint64
	Collisions uint64
	Ibytes     uint64
	Obytes     uint64
	Imcasts    uint64
	Omcasts    uint64
	Iqdrops    uint64
	Oqdrops    uint64
	Noproto    uint64
	Hwassist   uint64
	_          [8]byte
	_          [16]byte
}

type IfData struct {

package main

//go:noinline
func f32(_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, x int32) uint64 {
	return uint64(uint32(x))
}

//go:noinline
func f16(_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, x int16) uint64 {
	return uint64(uint16(x))
}

//go:noinline
func f8(_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, x int8) uint64 {
	return uint64(uint8(x))
}

//go:noinline

	ss_flags int32
	ss_size  uintptr
}

type sigcontext struct {
	psw_mask uint64
	psw_addr uint64
	gregs    [16]uint64
	aregs    [16]uint32
	fpc      uint32
	fpregs   [16]uint64
}

type ucontext struct {
	uc_flags    uint64
	uc_link     *ucontext
	uc_stack    stackt
	uc_mcontext sigcontext
	uc_sigmask  uint64

	r14         uint64
	r15         uint64
	rdi         uint64
	rsi         uint64
	rbp         uint64
	rbx         uint64
	rdx         uint64
	rax         uint64
	rcx         uint64
	rsp         uint64
	rip         uint64
	eflags      uint64
	cs          uint16
	gs          uint16
	fs          uint16
	__pad0      uint16
	err         uint64
	trapno      uint64
	oldmask     uint64

	Metric       uint32
	Rdomain      uint32
	Baudrate     uint64
	Ipackets     uint64
	Ierrors      uint64
	Opackets     uint64
	Oerrors      uint64
	Collisions   uint64
	Ibytes       uint64
	Obytes       uint64
	Imcasts      uint64
	Omcasts      uint64
	Iqdrops      uint64
	Oqdrops      uint64
	Noproto      uint64
	Capabilities uint32
	Lastchange   Timeval
}

	_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
	_pad       [8]byte // __attribute__((__aligned__(16)))

				return 0, -(i + 1) // overflow
			}
			return x | uint64(b)<<s, i + 1
		}
		x |= uint64(b&0x7f) << s
		s += 7
	}
	return 0, 0
}

// AppendVarint appends the varint-encoded form of x,
// as generated by [PutVarint], to buf and returns the extended buffer.
func AppendVarint(buf []byte, x int64) []byte {
	ux := uint64(x) << 1
	if x < 0 {
		ux = ^ux
	}
	return AppendUvarint(buf, ux)
}

	return Timeval{Sec: sec, Usec: usec}
}

func (r *PtraceRegs) PC() uint64 { return r.Nip }

func (r *PtraceRegs) SetPC(pc uint64) { r.Nip = pc }

func (iov *Iovec) SetLen(length int) {
	iov.Len = uint64(length)
}

func (msghdr *Msghdr) SetControllen(length int) {
	msghdr.Controllen = uint64(length)
}

func (msghdr *Msghdr) SetIovlen(length int) {
	msghdr.Iovlen = uint64(length)
}