3 // Copyright 2019 The Go Authors. All rights reserved.
4 // Use of this source code is governed by a BSD-style
5 // license that can be found in the LICENSE file.
13 func typ(x interface{}) reflect.Type { return reflect.ValueOf(x).Type() }
15 var byteType = typ((byte)(0))
16 var ptrType = typ((*byte)(nil))
18 // Arrays of pointers. There are two size thresholds.
19 // Bit masks are chunked in groups of 120 pointers.
20 // Array types with >16384 pointers have a GC program instead of a bitmask.
21 var smallPtrType = reflect.ArrayOf(100, ptrType)
22 var mediumPtrType = reflect.ArrayOf(1000, ptrType)
23 var bigPtrType = reflect.ArrayOf(16385, ptrType)
25 var x0 = reflect.New(reflect.StructOf([]reflect.StructField{
26 {Name: "F1", Type: byteType},
27 {Name: "F2", Type: bigPtrType},
29 var x1 = reflect.New(reflect.StructOf([]reflect.StructField{
30 {Name: "F1", Type: smallPtrType},
31 {Name: "F2", Type: bigPtrType},
33 var x2 = reflect.New(reflect.StructOf([]reflect.StructField{
34 {Name: "F1", Type: mediumPtrType},
35 {Name: "F2", Type: bigPtrType},
37 var x3 = reflect.New(reflect.StructOf([]reflect.StructField{
38 {Name: "F1", Type: ptrType},
39 {Name: "F2", Type: byteType},
40 {Name: "F3", Type: bigPtrType},
42 var x4 = reflect.New(reflect.StructOf([]reflect.StructField{
43 {Name: "F1", Type: ptrType},
44 {Name: "F2", Type: smallPtrType},
45 {Name: "F3", Type: bigPtrType},
47 var x5 = reflect.New(reflect.StructOf([]reflect.StructField{
48 {Name: "F1", Type: ptrType},
49 {Name: "F2", Type: mediumPtrType},
50 {Name: "F3", Type: bigPtrType},