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https://github.com/golang/go
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d81cc374be
issue9355 generated a file a.[568] in test/ directory and left it there. For tests like these, it is best to chdir to a test specific directory before generating any temporary files, since the tests are running in parallel and might otherwise race with each other for the same files. Change-Id: I58d96256d4d8ee3fda70d81077f19006064a7425 Reviewed-on: https://go-review.googlesource.com/3813 Reviewed-by: Ian Lance Taylor <iant@golang.org>
63 lines
1.3 KiB
Go
63 lines
1.3 KiB
Go
// run
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// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"fmt"
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"go/build"
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"os"
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"os/exec"
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"path/filepath"
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"regexp"
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"runtime"
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)
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func main() {
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if runtime.Compiler != "gc" || runtime.GOOS == "nacl" {
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return
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}
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a, err := build.ArchChar(runtime.GOARCH)
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check(err)
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err = os.Chdir(filepath.Join("fixedbugs", "issue9355.dir"))
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check(err)
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out := run("go", "tool", a+"g", "-S", "a.go")
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os.Remove("a." + a)
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// 6g/8g print the offset as dec, but 5g/9g print the offset as hex.
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patterns := []string{
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`rel 0\+\d t=1 \"\"\.x\+8\r?\n`, // y = &x.b
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`rel 0\+\d t=1 \"\"\.x\+(28|1c)\r?\n`, // z = &x.d.q
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`rel 0\+\d t=1 \"\"\.b\+5\r?\n`, // c = &b[5]
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`rel 0\+\d t=1 \"\"\.x\+(88|58)\r?\n`, // w = &x.f[3].r
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}
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for _, p := range patterns {
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if ok, err := regexp.Match(p, out); !ok || err != nil {
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println(string(out))
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panic("can't find pattern " + p)
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}
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}
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}
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func run(cmd string, args ...string) []byte {
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out, err := exec.Command(cmd, args...).CombinedOutput()
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if err != nil {
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fmt.Println(string(out))
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fmt.Println(err)
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os.Exit(1)
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}
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return out
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}
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func check(err error) {
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if err != nil {
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fmt.Println("BUG:", err)
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os.Exit(1)
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}
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}
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