| // Copyright 2020 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 main | |
| import ( | |
| "bytes" | |
| "fmt" | |
| "os" | |
| "os/exec" | |
| ) | |
| func main() { | |
| if len(os.Args) > 1 { | |
| // Generate a SIGILL. | |
| sigill() | |
| return | |
| } | |
| // Run ourselves with an extra argument. That process should SIGILL. | |
| out, _ := exec.Command(os.Args[0], "foo").CombinedOutput() | |
| want := "instruction bytes: 0xf 0xb 0xc3" | |
| if !bytes.Contains(out, []byte(want)) { | |
| fmt.Printf("got:\n%s\nwant:\n%s\n", string(out), want) | |
| } | |
| } | |
| func sigill() |