80 lines
1.7 KiB
Go
80 lines
1.7 KiB
Go
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//
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// Copyright 2024 CloudWeGo Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package x86_64
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import (
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`reflect`
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`unsafe`
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)
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type _GoType struct {
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size uintptr
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pdata uintptr
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hash uint32
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flags uint8
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align uint8
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falign uint8
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kflags uint8
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traits unsafe.Pointer
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gcdata *byte
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str int32
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ptrx int32
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}
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const (
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_KindMask = (1 << 5) - 1
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)
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func (self *_GoType) kind() reflect.Kind {
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return reflect.Kind(self.kflags & _KindMask)
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}
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type _GoSlice struct {
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ptr unsafe.Pointer
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len int
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cap int
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}
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type _GoEface struct {
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vt *_GoType
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ptr unsafe.Pointer
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}
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func (self *_GoEface) kind() reflect.Kind {
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if self.vt != nil {
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return self.vt.kind()
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} else {
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return reflect.Invalid
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}
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}
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func (self *_GoEface) toInt64() int64 {
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if self.vt.size == 8 {
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return *(*int64)(self.ptr)
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} else if self.vt.size == 4 {
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return int64(*(*int32)(self.ptr))
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} else if self.vt.size == 2 {
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return int64(*(*int16)(self.ptr))
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} else {
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return int64(*(*int8)(self.ptr))
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}
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}
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func efaceOf(v interface{}) _GoEface {
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return *(*_GoEface)(unsafe.Pointer(&v))
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}
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