mirror of https://github.com/golang/go.git
106 lines
2.6 KiB
Go
106 lines
2.6 KiB
Go
// 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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"bufio"
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"bytes"
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"strings"
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"testing"
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)
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var testData uint32
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func checkSymbols(t *testing.T, nmoutput []byte) {
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var checkSymbolsFound, testDataFound bool
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scanner := bufio.NewScanner(bytes.NewBuffer(nmoutput))
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for scanner.Scan() {
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f := strings.Fields(scanner.Text())
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if len(f) < 3 {
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continue
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}
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switch f[2] {
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case "cmd/nm.checkSymbols":
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checkSymbolsFound = true
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addr := "0x" + f[0]
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if addr != fmt.Sprintf("%p", checkSymbols) {
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t.Errorf("nm shows wrong address %v for checkSymbols (%p)", addr, checkSymbols)
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}
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case "cmd/nm.testData":
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testDataFound = true
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addr := "0x" + f[0]
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if addr != fmt.Sprintf("%p", &testData) {
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t.Errorf("nm shows wrong address %v for testData (%p)", addr, &testData)
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}
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}
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}
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if err := scanner.Err(); err != nil {
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t.Errorf("error while reading symbols: %v", err)
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return
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}
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if !checkSymbolsFound {
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t.Error("nm shows no checkSymbols symbol")
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}
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if !testDataFound {
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t.Error("nm shows no testData symbol")
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}
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}
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func TestNM(t *testing.T) {
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switch runtime.GOOS {
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case "android", "nacl":
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t.Skipf("skipping on %s", runtime.GOOS)
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case "darwin":
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switch runtime.GOARCH {
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case "arm", "arm64":
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t.Skipf("skipping on %s/%s, cannot fork", runtime.GOOS, runtime.GOARCH)
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}
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}
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tmpDir, err := ioutil.TempDir("", "TestNM")
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if err != nil {
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t.Fatal("TempDir failed: ", err)
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}
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defer os.RemoveAll(tmpDir)
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testnmpath := filepath.Join(tmpDir, "testnm.exe")
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out, err := exec.Command("go", "build", "-o", testnmpath, "cmd/nm").CombinedOutput()
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if err != nil {
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t.Fatalf("go build -o %v cmd/nm: %v\n%s", testnmpath, err, string(out))
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}
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testfiles := []string{
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"elf/testdata/gcc-386-freebsd-exec",
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"elf/testdata/gcc-amd64-linux-exec",
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"macho/testdata/gcc-386-darwin-exec",
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"macho/testdata/gcc-amd64-darwin-exec",
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// "pe/testdata/gcc-amd64-mingw-exec", // no symbols!
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"pe/testdata/gcc-386-mingw-exec",
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"plan9obj/testdata/amd64-plan9-exec",
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"plan9obj/testdata/386-plan9-exec",
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}
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for _, f := range testfiles {
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exepath := filepath.Join(runtime.GOROOT(), "src", "debug", f)
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cmd := exec.Command(testnmpath, exepath)
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out, err := cmd.CombinedOutput()
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if err != nil {
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t.Errorf("go tool nm %v: %v\n%s", exepath, err, string(out))
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}
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}
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cmd := exec.Command(testnmpath, os.Args[0])
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out, err = cmd.CombinedOutput()
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if err != nil {
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t.Fatalf("go tool nm %v: %v\n%s", os.Args[0], err, string(out))
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}
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checkSymbols(t, out)
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}
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