| // 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() |
