mirror of
https://github.com/golang/go
synced 2024-11-14 23:50:28 -07:00
63f1bc5992
Print the bytes of the instruction that generated a SIGILL. This should help us respond to bug reports without having to go back-and-forth with the reporter to get the instruction involved. Might also help with SIGILL problems that are difficult to reproduce. Update #37513 Change-Id: I33059b1dbfc97bce16142a843f32a88a6547e280 Reviewed-on: https://go-review.googlesource.com/c/go/+/221431 Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
28 lines
593 B
Go
28 lines
593 B
Go
// 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()
|