github.com/goplus/llgo@v0.8.3/internal/runtime/runtime2.go (about) 1 // Copyright 2009 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package runtime 6 7 import ( 8 "unsafe" 9 ) 10 11 type iface struct { 12 tab *itab 13 data unsafe.Pointer 14 } 15 16 /* 17 type eface struct { 18 _type *_type 19 data unsafe.Pointer 20 } 21 22 func efaceOf(ep *any) *eface { 23 return (*eface)(unsafe.Pointer(ep)) 24 } 25 */ 26 27 // layout of Itab known to compilers 28 // allocated in non-garbage-collected memory 29 // Needs to be in sync with 30 // ../cmd/compile/internal/reflectdata/reflect.go:/^func.WriteTabs. 31 type itab struct { 32 inter *interfacetype 33 _type *_type 34 hash uint32 // copy of _type.hash. Used for type switches. 35 _ [4]byte 36 fun [1]uintptr // variable sized. fun[0]==0 means _type does not implement inter. 37 }