1 package x86_64
2
3 import (
4 `reflect`
5 `unsafe`
6 )
7
8 type _GoType struct {
9 size uintptr
10 pdata uintptr
11 hash uint32
12 flags uint8
13 align uint8
14 falign uint8
15 kflags uint8
16 traits unsafe.Pointer
17 gcdata *byte
18 str int32
19 ptrx int32
20 }
21
22 const (
23 _KindMask = (1 << 5) - 1
24 )
25
26 func (self *_GoType) kind() reflect.Kind {
27 return reflect.Kind(self.kflags & _KindMask)
28 }
29
30 type _GoSlice struct {
31 ptr unsafe.Pointer
32 len int
33 cap int
34 }
35
36 type _GoEface struct {
37 vt *_GoType
38 ptr unsafe.Pointer
39 }
40
41 func (self *_GoEface) kind() reflect.Kind {
42 if self.vt != nil {
43 return self.vt.kind()
44 } else {
45 return reflect.Invalid
46 }
47 }
48
49 func (self *_GoEface) toInt64() int64 {
50 if self.vt.size == 8 {
51 return *(*int64)(self.ptr)
52 } else if self.vt.size == 4 {
53 return int64(*(*int32)(self.ptr))
54 } else if self.vt.size == 2 {
55 return int64(*(*int16)(self.ptr))
56 } else {
57 return int64(*(*int8)(self.ptr))
58 }
59 }
60
61 func efaceOf(v interface{}) _GoEface {
62 return *(*_GoEface)(unsafe.Pointer(&v))
63 }
64
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