GoToSocial/vendor/github.com/cloudwego/iasm/x86_64/eface.go

80 lines
1.7 KiB
Go

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