55 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			55 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| /*
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|  * Copyright 2021 ByteDance Inc.
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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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| 
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| package jit
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| 
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| import (
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|     `reflect`
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|     `unsafe`
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| 
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|     `github.com/bytedance/sonic/internal/rt`
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|     `github.com/twitchyliquid64/golang-asm/obj`
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| )
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| 
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| //go:noescape
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| //go:linkname getitab runtime.getitab
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| //goland:noinspection ALL
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| func getitab(inter *rt.GoType, typ *rt.GoType, canfail bool) *rt.GoItab
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| 
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| func Func(f interface{}) obj.Addr {
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|     if p := rt.UnpackEface(f); p.Type.Kind() != reflect.Func {
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|         panic("f is not a function")
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|     } else {
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|         return Imm(*(*int64)(p.Value))
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|     }
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| }
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| 
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| func Type(t reflect.Type) obj.Addr {
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|     return Gtype(rt.UnpackType(t))
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| }
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| 
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| func Itab(i *rt.GoType, t reflect.Type) obj.Addr {
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|     return Imm(int64(uintptr(unsafe.Pointer(getitab(i, rt.UnpackType(t), false)))))
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| }
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| 
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| func Gitab(i *rt.GoItab) obj.Addr {
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|     return Imm(int64(uintptr(unsafe.Pointer(i))))
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| }
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| 
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| func Gtype(t *rt.GoType) obj.Addr {
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|     return Imm(int64(uintptr(unsafe.Pointer(t))))
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| }
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