func (c *sigctxt) r25() uint32       { return uint32(c.regs().sc_regs[25]) }
func (c *sigctxt) r26() uint32       { return uint32(c.regs().sc_regs[26]) }
func (c *sigctxt) r27() uint32       { return uint32(c.regs().sc_regs[27]) }
func (c *sigctxt) r28() uint32       { return uint32(c.regs().sc_regs[28]) }
func (c *sigctxt) r29() uint32       { return uint32(c.regs().sc_regs[29]) }

func (c *sigctxt) r15() uint64 { return c.regs().sc_regs[15] }
func (c *sigctxt) r16() uint64 { return c.regs().sc_regs[16] }
func (c *sigctxt) r17() uint64 { return c.regs().sc_regs[17] }
func (c *sigctxt) r18() uint64 { return c.regs().sc_regs[18] }
func (c *sigctxt) r19() uint64 { return c.regs().sc_regs[19] }
func (c *sigctxt) r20() uint64 { return c.regs().sc_regs[20] }
func (c *sigctxt) r21() uint64 { return c.regs().sc_regs[21] }

func (c *sigctxt) r15() uint64 { return c.regs().sc_regs[15] }
func (c *sigctxt) r16() uint64 { return c.regs().sc_regs[16] }
func (c *sigctxt) r17() uint64 { return c.regs().sc_regs[17] }
func (c *sigctxt) r18() uint64 { return c.regs().sc_regs[18] }
func (c *sigctxt) r19() uint64 { return c.regs().sc_regs[19] }
func (c *sigctxt) r20() uint64 { return c.regs().sc_regs[20] }
func (c *sigctxt) r21() uint64 { return c.regs().sc_regs[21] }

	tf_tcb   unsafe.Pointer
	tf_tid   *int32
	tf_stack uintptr
}

type sigcontext struct {
	sc_cookie  uint64
	sc_mask    uint64
	sc_pc      uint64
	sc_regs    [32]uint64
	mullo      uint64
	mulhi      uint64
	sc_fpregs  [33]uint64
	sc_fpused  uint64
	sc_fpc_eir uint64
	_xxx       [8]int64
}

type siginfo struct {
	si_signo  int32
	si_code   int32
	si_errno  int32

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 {
	sc_pc         uint64
	sc_regs       [32]uint64
	sc_flags      uint32
	sc_extcontext [0]uint64
}

type ucontext struct {
	uc_flags     uint64
	uc_link      *ucontext
	uc_stack     stackt
	uc_sigmask   usigset

	t5  uint64
	t6  uint64
}

type user_fpregs_struct struct {
	f [528]byte
}

type usigset struct {
	us_x__val [16]uint64
}

type sigcontext struct {
	sc_regs   user_regs_struct
	sc_fpregs user_fpregs_struct
}

type stackt struct {
	ss_sp    *byte
	ss_flags int32
	ss_size  uintptr
}

type ucontext struct {
	uc_flags     uint64
	uc_link      *ucontext

	_O_NONBLOCK  = 0x80
	_O_CLOEXEC   = 0x80000
	_SA_RESTORER = 0
)

type stackt struct {
	ss_sp    *byte
	ss_size  uintptr
	ss_flags int32
}

type sigcontext struct {
	sc_regs      [32]uint64
	sc_fpregs    [32]uint64
	sc_mdhi      uint64
	sc_hi1       uint64
	sc_hi2       uint64
	sc_hi3       uint64
	sc_mdlo      uint64
	sc_lo1       uint64
	sc_lo2       uint64
	sc_lo3       uint64

)

type stackt struct {
	ss_sp    *byte
	ss_size  uintptr
	ss_flags int32
}

type sigcontext struct {
	sc_regmask   uint32
	sc_status    uint32
	sc_pc        uint64
	sc_regs      [32]uint64
	sc_fpregs    [32]uint64
	sc_acx       uint32
	sc_fpc_csr   uint32
	sc_fpc_eir   uint32
	sc_used_math uint32
	sc_dsp       uint32
	sc_mdhi      uint64
	sc_mdlo      uint64
	sc_hi1       uint32

	for i := 0; i < 12; i++ {
		if i > 7 {
			dst.gp_regs[i+6] = uint64(src.Ints[i])
		} else {
			dst.gp_regs[i+3] = uint64(src.Ints[i])
		}
	}
	// Fprs F1..F13 are used to pass float arguments in registers on PPC64
	for i := 0; i < 12; i++ {
		dst.fp_regs[i+1] = math.Float64frombits(src.Floats[i])
	}

}

}

type sigcontext struct {
	_unused     [4]uint64
	signal      int32
	_pad0       int32
	handler     uint64
	oldmask     uint64
	regs        *ptregs
	gp_regs     [48]uint64
	fp_regs     [33]float64
	v_regs      *vreg
	vmx_reserve [101]int64
}

type ucontext struct {
	uc_flags    uint64
	uc_link     *ucontext
	uc_stack    stackt
	uc_sigmask  uint64
	__unused    [15]uint64