| // Copyright 2022 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. | |
| // Issue 53989: the use of jump table caused a function | |
| // from the plugin jumps in the middle of the function | |
| // to the function with the same name in the main | |
| // executable. As these two functions may be compiled | |
| // differently as plugin needs to be PIC, this causes | |
| // crash. | |
| package main | |
| import ( | |
| "plugin" | |
| "testplugin/issue53989/p" | |
| ) | |
| func main() { | |
| p.Square(7) // call the function in main executable | |
| p, err := plugin.Open("issue53989.so") | |
| if err != nil { | |
| panic(err) | |
| } | |
| f, err := p.Lookup("Square") | |
| if err != nil { | |
| panic(err) | |
| } | |
| f.(func(int))(7) // call the plugin one | |
| } | |