mirror of
https://github.com/golang/go
synced 2024-07-21 01:55:06 +00:00
53fd522c0d
Follows suit with https://go-review.googlesource.com/#/c/20111. Generated by running $ grep -R 'Go Authors. All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go Authors. All/Go Authors. All/g' $F;done The code in cmd/internal/unvendor wasn't changed. Fixes #15213 Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f Reviewed-on: https://go-review.googlesource.com/21819 Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
// run
|
|
|
|
// Copyright 2014 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 7690 - Stack and other routines did not back up initial PC
|
|
// into CALL instruction, instead reporting line number of next instruction,
|
|
// which might be on a different line.
|
|
|
|
package main
|
|
|
|
import (
|
|
"bytes"
|
|
"regexp"
|
|
"runtime"
|
|
"strconv"
|
|
)
|
|
|
|
func main() {
|
|
buf1 := make([]byte, 1000)
|
|
buf2 := make([]byte, 1000)
|
|
|
|
runtime.Stack(buf1, false) // CALL is last instruction on this line
|
|
n := runtime.Stack(buf2, false) // CALL is followed by load of result from stack
|
|
|
|
buf1 = buf1[:bytes.IndexByte(buf1, 0)]
|
|
buf2 = buf2[:n]
|
|
|
|
re := regexp.MustCompile(`(?m)^main\.main\(\)\n.*/issue7690.go:([0-9]+)`)
|
|
m1 := re.FindStringSubmatch(string(buf1))
|
|
if m1 == nil {
|
|
println("BUG: cannot find main.main in first trace")
|
|
return
|
|
}
|
|
m2 := re.FindStringSubmatch(string(buf2))
|
|
if m2 == nil {
|
|
println("BUG: cannot find main.main in second trace")
|
|
return
|
|
}
|
|
|
|
n1, _ := strconv.Atoi(m1[1])
|
|
n2, _ := strconv.Atoi(m2[1])
|
|
if n1+1 != n2 {
|
|
println("BUG: expect runtime.Stack on back to back lines, have", n1, n2)
|
|
println(string(buf1))
|
|
println(string(buf2))
|
|
}
|
|
}
|