}

// PtraceSetRegsMipsle sets the registers used by mipsle binaries.
func PtraceSetRegsMipsle(pid int, regs *PtraceRegsMipsle) error {
	return ptracePtr(PTRACE_SETREGS, pid, 0, unsafe.Pointer(regs))
}

// PtraceRegsMips64le is the registers used by mips64le binaries.
type PtraceRegsMips64le struct {
	Regs     [32]uint64
	Lo       uint64
	Hi       uint64
	Epc      uint64
	Badvaddr uint64
	Status   uint64

		if e.ID != vid {
			continue
		}
		if e.regs[0] == r {
			// Already known and highest priority
			return
		}
		for j := 1; j < len(e.regs); j++ {
			if e.regs[j] == r {
				// Move from lower priority to top priority
				copy(e.regs[1:], e.regs[:j])
				e.regs[0] = r
				return
			}
		}
		copy(e.regs[1:], e.regs[:])
		e.regs[0] = r
		return
	}

}

// PtraceSetRegSetArm64 sets the registers used by arm64 binaries.
func PtraceSetRegSetArm64(pid, addr int, regs *PtraceRegsArm64) error {
	iovec := Iovec{(*byte)(unsafe.Pointer(regs)), uint64(unsafe.Sizeof(*regs))}
	return ptracePtr(PTRACE_SETREGSET, pid, uintptr(addr), unsafe.Pointer(&iovec))

	l.regs = append(l.regs, regPos{saveOp: op, restoreOp: op, reg: reg, pos: l.stack})
	l.stack += size
}

func (l *layout) add2(sop, rop, reg string, size int) {
	l.regs = append(l.regs, regPos{saveOp: sop, restoreOp: rop, reg: reg, pos: l.stack})
	l.stack += size
}

func (l *layout) addSpecial(save, restore string, size int) {

		return x + 1, y + 1.0
	}
	var args *stackArgs
	var regs abi.RegArgs
	intRegs := regs.Ints[:]
	floatRegs := regs.Floats[:]
	fval := float64(42.0)
	if len(intRegs) > 0 {
		intRegs[0] = 42
		floatRegs[0] = math.Float64bits(fval)
	} else {
		args = &stackArgs{
			x0: 42,
			x1: 42.0,
		}
	}

	if _, err := runtime.InjectDebugCall(g, fn, &regs, args, debugCallTKill, false); err != nil {
		t.Fatal(err)

	}
	memmove(dst, src, size)

	// Move pointers returned in registers to a place where the GC can see them.
	for i := range regs.Ints {
		if regs.ReturnIsPtr.Get(i) {
			regs.Ptrs[i] = unsafe.Pointer(regs.Ints[i])
		}
	}
}

// typedslicecopy should be an internal detail,
// but widely used packages access it using linkname.

	scale             uint8     // amd64/386 indexed load scale
}

type inputInfo struct {
	idx  int     // index in Args array
	regs regMask // allowed input registers
}

type outputInfo struct {
	idx  int     // index in output tuple
	regs regMask // allowed output registers
}

type regInfo struct {
	// inputs encodes the register restrictions for an instruction's inputs.

// the caller's frame due to issue #43228.
TEXT crosscall2(SB),NOSPLIT|NOFRAME,$0
	// Start with standard C stack frame layout and linkage, allocate
	// 32 bytes of argument space, save callee-save regs, and set R0 to $0.
	STACK_AND_SAVE_HOST_TO_GO_ABI(32)
	// The above will not preserve R2 (TOC). Save it in case Go is
	// compiled without a TOC pointer (e.g -buildmode=default).
	MOVD	R2, 24(R1)

	// Load the current g.

	s.Ctim = Timespec{int64(st.Ctime), int64(st.Ctime_nsec)}
	s.Blksize = st.Blksize
	s.Blocks = st.Blocks
}

func (r *PtraceRegs) PC() uint64 { return r.Regs[64] }

func (r *PtraceRegs) SetPC(pc uint64) { r.Regs[64] = pc }

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

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

}

type sigactiont struct {
	sa_flags  int32
	pad_cgo_0 [4]byte
	_funcptr  [8]byte
	sa_mask   sigset
}

type fpregset struct {
	fp_reg_set [528]byte
}

type mcontext struct {
	gregs  [28]int64
	fpregs fpregset
}

type ucontext struct {
	uc_flags    uint64
	uc_link     *ucontext
	uc_sigmask  sigset
	uc_stack    stackt
	pad_cgo_0   [8]byte
	uc_mcontext mcontext