package runtime

import _ "unsafe" // for linkname

const (
	// vdsoArrayMax is the byte-size of a maximally sized array on this architecture.
	// See cmd/compile/internal/amd64/galign.go arch.MAXWIDTH initialization.
	vdsoArrayMax = 1<<50 - 1
)

var vdsoLinuxVersion = vdsoVersionKey{"LINUX_2.6", 0x3ae75f6}

var vdsoSymbolKeys = []vdsoSymbolKey{
	{"__vdso_gettimeofday", 0x315ca59, 0xb01bca00, &vdsoGettimeofdaySym},

	return d.f
}

var testTypes Types

func init() {
	// TODO(mdempsky): Push into types.InitUniverse or typecheck.InitUniverse.
	types.PtrSize = 8
	types.RegSize = 8
	types.MaxWidth = 1 << 50

	base.Ctxt = &obj.Link{Arch: &obj.LinkArch{Arch: &sys.Arch{Alignment: 1, CanMergeLoads: true}}}
	typecheck.InitUniverse()
	testTypes.SetTypPtrs()

		Printf("hi", "guys"):      hi%!(EXTRA string=guys)
	Too few arguments: %!verb(MISSING)
		Printf("hi%d"):            hi%!d(MISSING)
	Non-int for width or precision: %!(BADWIDTH) or %!(BADPREC)
		Printf("%*s", 4.5, "hi"):  %!(BADWIDTH)hi
		Printf("%.*s", 4.5, "hi"): %!(BADPREC)hi
	Invalid or invalid use of argument index: %!(BADINDEX)
		Printf("%*[2]d", 7):       %!d(BADINDEX)
		Printf("%.[2]d", 7):       %!d(BADINDEX)

	{"%0*d", args(uint64(4), 42), "0042"},
	{"%0*d", args('\x04', 42), "0042"},
	{"%0*d", args(uintptr(4), 42), "0042"},

	// erroneous
	{"%*d", args(nil, 42), "%!(BADWIDTH)42"},
	{"%*d", args(int(1e7), 42), "%!(BADWIDTH)42"},
	{"%*d", args(int(-1e7), 42), "%!(BADWIDTH)42"},
	{"%.*d", args(nil, 42), "%!(BADPREC)42"},
	{"%.*d", args(-1, 42), "%!(BADPREC)42"},
	{"%.*d", args(int(1e7), 42), "%!(BADPREC)42"},

			continue
		}
		if !n.Used() {
			fn.DebugInfo.(*ssa.FuncDebug).OptDcl = fn.Dcl[i:]
			fn.Dcl = fn.Dcl[:i]
			break
		}
		types.CalcSize(n.Type())
		w := n.Type().Size()
		if w >= types.MaxWidth || w < 0 {
			base.Fatalf("bad width")
		}
		if w == 0 && lastHasPtr {
			// Pad between a pointer-containing object and a zero-sized object.
			// This prevents a pointer to the zero-sized object from being interpreted

		if dostrcmp > 1 {
			// Already in the process of diagnosing an error.
			return f1
		}
		if f2 != nil {
			base.Errorf("%v is both field and method", n.Sel)
		}
		if f1.Offset == types.BADWIDTH {
			base.Fatalf("Lookdot badwidth t=%v, f1=%v@%p", t, f1, f1)
		}
		n.Selection = f1
		n.SetType(f1.Type)
		if t.IsInterface() {
			if n.X.Type().IsPtr() {
				star := ir.NewStarExpr(base.Pos, n.X)

		{"CommentedNode", Type, 0},
		{"CommentedNode.Comments", Field, 0},
		{"CommentedNode.Node", Field, 0},
		{"Config", Type, 0},
		{"Config.Indent", Field, 1},
		{"Config.Mode", Field, 0},
		{"Config.Tabwidth", Field, 0},
		{"Fprint", Func, 0},
		{"Mode", Type, 0},
		{"RawFormat", Const, 0},
		{"SourcePos", Const, 0},
		{"TabIndent", Const, 0},
		{"UseSpaces", Const, 0},
	},
	"go/scanner": {

	// the function name node.
	Nname Object

	// Offset in bytes of this field or method within its enclosing struct
	// or interface Type. For parameters, this is BADWIDTH.
	Offset int64
}

const (
	fieldIsDDD = 1 << iota // field is ... argument
	fieldNointerface
)

func (f *Field) IsDDD() bool       { return f.flags&fieldIsDDD != 0 }

		if tmp, ok := l.(*ir.Name); !ok || !tmp.AutoTemp() || !types.Identical(tmp.Type(), r.Type) {
			base.FatalfAt(l.Pos(), "assigning %v to %+v", r.Type, l)
		}

		res := ir.NewResultExpr(base.Pos, nil, types.BADWIDTH)
		res.Index = int64(i)
		res.SetType(r.Type)
		res.SetTypecheck(1)

		nn.Append(ir.NewAssignStmt(base.Pos, l, res))
	}
	return nn
}

// check assign expression list to

			break
		}
		if name, offset, ok = StaticLoc(n.X); !ok {
			break
		}
		l := getlit(n.Index)
		if l < 0 {
			break
		}

		// Check for overflow.
		if n.Type().Size() != 0 && types.MaxWidth/n.Type().Size() <= int64(l) {
			break
		}
		offset += int64(l) * n.Type().Size()
		return name, offset, true
	}

	return nil, 0, false
}

func isSideEffect(n ir.Node) bool {