| // Copyright 2019 The Go Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file. | |
| package a | |
| import "unsafe" | |
| type HookFunc func(x uint64) | |
| var HookV unsafe.Pointer | |
| func Hook(x uint64) { | |
| (*(*HookFunc)(HookV))(x) | |
| } |