mirror of
https://github.com/golang/go
synced 2024-11-08 19:36:22 -07:00
0829e1b757
Change-Id: I62a7a8ebbbc1f1a266234b53680768da157b2df5 Reviewed-on: https://go-review.googlesource.com/130416 Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
779 lines
19 KiB
Go
779 lines
19 KiB
Go
// Copyright 2016 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 carchive_test
|
|
|
|
import (
|
|
"bufio"
|
|
"bytes"
|
|
"debug/elf"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
"os/exec"
|
|
"path/filepath"
|
|
"regexp"
|
|
"runtime"
|
|
"strings"
|
|
"syscall"
|
|
"testing"
|
|
"time"
|
|
"unicode"
|
|
)
|
|
|
|
// Program to run.
|
|
var bin []string
|
|
|
|
// C compiler with args (from $(go env CC) $(go env GOGCCFLAGS)).
|
|
var cc []string
|
|
|
|
// An environment with GOPATH=$(pwd).
|
|
var gopathEnv []string
|
|
|
|
// ".exe" on Windows.
|
|
var exeSuffix string
|
|
|
|
var GOOS, GOARCH string
|
|
var libgodir string
|
|
|
|
func init() {
|
|
GOOS = goEnv("GOOS")
|
|
GOARCH = goEnv("GOARCH")
|
|
bin = cmdToRun("./testp")
|
|
|
|
ccOut := goEnv("CC")
|
|
cc = []string{string(ccOut)}
|
|
|
|
out := goEnv("GOGCCFLAGS")
|
|
quote := '\000'
|
|
start := 0
|
|
lastSpace := true
|
|
backslash := false
|
|
s := string(out)
|
|
for i, c := range s {
|
|
if quote == '\000' && unicode.IsSpace(c) {
|
|
if !lastSpace {
|
|
cc = append(cc, s[start:i])
|
|
lastSpace = true
|
|
}
|
|
} else {
|
|
if lastSpace {
|
|
start = i
|
|
lastSpace = false
|
|
}
|
|
if quote == '\000' && !backslash && (c == '"' || c == '\'') {
|
|
quote = c
|
|
backslash = false
|
|
} else if !backslash && quote == c {
|
|
quote = '\000'
|
|
} else if (quote == '\000' || quote == '"') && !backslash && c == '\\' {
|
|
backslash = true
|
|
} else {
|
|
backslash = false
|
|
}
|
|
}
|
|
}
|
|
if !lastSpace {
|
|
cc = append(cc, s[start:])
|
|
}
|
|
|
|
if GOOS == "darwin" {
|
|
// For Darwin/ARM.
|
|
// TODO(crawshaw): can we do better?
|
|
cc = append(cc, []string{"-framework", "CoreFoundation", "-framework", "Foundation"}...)
|
|
}
|
|
libgodir = GOOS + "_" + GOARCH
|
|
if runtime.Compiler == "gccgo" {
|
|
libgodir = "gccgo_" + libgodir + "_fPIC"
|
|
} else {
|
|
switch GOOS {
|
|
case "darwin":
|
|
if GOARCH == "arm" || GOARCH == "arm64" {
|
|
libgodir += "_shared"
|
|
}
|
|
case "dragonfly", "freebsd", "linux", "netbsd", "openbsd", "solaris":
|
|
libgodir += "_shared"
|
|
}
|
|
}
|
|
cc = append(cc, "-I", filepath.Join("pkg", libgodir))
|
|
|
|
// Build an environment with GOPATH=$(pwd)
|
|
env := os.Environ()
|
|
var n []string
|
|
for _, e := range env {
|
|
if !strings.HasPrefix(e, "GOPATH=") {
|
|
n = append(n, e)
|
|
}
|
|
}
|
|
dir, err := os.Getwd()
|
|
if err != nil {
|
|
fmt.Fprintln(os.Stderr, err)
|
|
os.Exit(2)
|
|
}
|
|
n = append(n, "GOPATH="+dir)
|
|
gopathEnv = n
|
|
|
|
if GOOS == "windows" {
|
|
exeSuffix = ".exe"
|
|
}
|
|
}
|
|
|
|
func goEnv(key string) string {
|
|
out, err := exec.Command("go", "env", key).Output()
|
|
if err != nil {
|
|
fmt.Fprintf(os.Stderr, "go env %s failed:\n%s\n", key, err)
|
|
if ee, ok := err.(*exec.ExitError); ok {
|
|
fmt.Fprintf(os.Stderr, "%s", ee.Stderr)
|
|
}
|
|
os.Exit(2)
|
|
}
|
|
return strings.TrimSpace(string(out))
|
|
}
|
|
|
|
func cmdToRun(name string) []string {
|
|
execScript := "go_" + goEnv("GOOS") + "_" + goEnv("GOARCH") + "_exec"
|
|
executor, err := exec.LookPath(execScript)
|
|
if err != nil {
|
|
return []string{name}
|
|
}
|
|
return []string{executor, name}
|
|
}
|
|
|
|
func testInstall(t *testing.T, exe, libgoa, libgoh string, buildcmd ...string) {
|
|
t.Helper()
|
|
cmd := exec.Command(buildcmd[0], buildcmd[1:]...)
|
|
cmd.Env = gopathEnv
|
|
t.Log(buildcmd)
|
|
if out, err := cmd.CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
os.Remove(libgoa)
|
|
os.Remove(libgoh)
|
|
}()
|
|
|
|
ccArgs := append(cc, "-o", exe, "main.c")
|
|
if GOOS == "windows" {
|
|
ccArgs = append(ccArgs, "main_windows.c", libgoa, "-lntdll", "-lws2_32", "-lwinmm")
|
|
} else {
|
|
ccArgs = append(ccArgs, "main_unix.c", libgoa)
|
|
}
|
|
if runtime.Compiler == "gccgo" {
|
|
ccArgs = append(ccArgs, "-lgo")
|
|
}
|
|
t.Log(ccArgs)
|
|
if out, err := exec.Command(ccArgs[0], ccArgs[1:]...).CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
defer os.Remove(exe)
|
|
|
|
binArgs := append(cmdToRun(exe), "arg1", "arg2")
|
|
cmd = exec.Command(binArgs[0], binArgs[1:]...)
|
|
if runtime.Compiler == "gccgo" {
|
|
cmd.Env = append(os.Environ(), "GCCGO=1")
|
|
}
|
|
if out, err := cmd.CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
|
|
checkLineComments(t, libgoh)
|
|
}
|
|
|
|
var badLineRegexp = regexp.MustCompile(`(?m)^#line [0-9]+ "/.*$`)
|
|
|
|
// checkLineComments checks that the export header generated by
|
|
// -buildmode=c-archive doesn't have any absolute paths in the #line
|
|
// comments. We don't want those paths because they are unhelpful for
|
|
// the user and make the files change based on details of the location
|
|
// of GOPATH.
|
|
func checkLineComments(t *testing.T, hdrname string) {
|
|
hdr, err := ioutil.ReadFile(hdrname)
|
|
if err != nil {
|
|
if !os.IsNotExist(err) {
|
|
t.Error(err)
|
|
}
|
|
return
|
|
}
|
|
if line := badLineRegexp.Find(hdr); line != nil {
|
|
t.Errorf("bad #line directive with absolute path in %s: %q", hdrname, line)
|
|
}
|
|
}
|
|
|
|
func TestInstall(t *testing.T) {
|
|
defer os.RemoveAll("pkg")
|
|
|
|
libgoa := "libgo.a"
|
|
if runtime.Compiler == "gccgo" {
|
|
libgoa = "liblibgo.a"
|
|
}
|
|
|
|
testInstall(t, "./testp1"+exeSuffix,
|
|
filepath.Join("pkg", libgodir, libgoa),
|
|
filepath.Join("pkg", libgodir, "libgo.h"),
|
|
"go", "install", "-i", "-buildmode=c-archive", "libgo")
|
|
|
|
// Test building libgo other than installing it.
|
|
// Header files are now present.
|
|
testInstall(t, "./testp2"+exeSuffix, "libgo.a", "libgo.h",
|
|
"go", "build", "-buildmode=c-archive", filepath.Join("src", "libgo", "libgo.go"))
|
|
|
|
testInstall(t, "./testp3"+exeSuffix, "libgo.a", "libgo.h",
|
|
"go", "build", "-buildmode=c-archive", "-o", "libgo.a", "libgo")
|
|
}
|
|
|
|
func TestEarlySignalHandler(t *testing.T) {
|
|
switch GOOS {
|
|
case "darwin":
|
|
switch GOARCH {
|
|
case "arm", "arm64":
|
|
t.Skipf("skipping on %s/%s; see https://golang.org/issue/13701", GOOS, GOARCH)
|
|
}
|
|
case "windows":
|
|
t.Skip("skipping signal test on Windows")
|
|
}
|
|
|
|
defer func() {
|
|
os.Remove("libgo2.a")
|
|
os.Remove("libgo2.h")
|
|
os.Remove("testp")
|
|
os.RemoveAll("pkg")
|
|
}()
|
|
|
|
cmd := exec.Command("go", "build", "-buildmode=c-archive", "-o", "libgo2.a", "libgo2")
|
|
cmd.Env = gopathEnv
|
|
if out, err := cmd.CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
checkLineComments(t, "libgo2.h")
|
|
|
|
ccArgs := append(cc, "-o", "testp"+exeSuffix, "main2.c", "libgo2.a")
|
|
if runtime.Compiler == "gccgo" {
|
|
ccArgs = append(ccArgs, "-lgo")
|
|
}
|
|
if out, err := exec.Command(ccArgs[0], ccArgs[1:]...).CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if out, err := exec.Command(bin[0], bin[1:]...).CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestSignalForwarding(t *testing.T) {
|
|
checkSignalForwardingTest(t)
|
|
|
|
defer func() {
|
|
os.Remove("libgo2.a")
|
|
os.Remove("libgo2.h")
|
|
os.Remove("testp")
|
|
os.RemoveAll("pkg")
|
|
}()
|
|
|
|
cmd := exec.Command("go", "build", "-buildmode=c-archive", "-o", "libgo2.a", "libgo2")
|
|
cmd.Env = gopathEnv
|
|
if out, err := cmd.CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
checkLineComments(t, "libgo2.h")
|
|
|
|
ccArgs := append(cc, "-o", "testp"+exeSuffix, "main5.c", "libgo2.a")
|
|
if runtime.Compiler == "gccgo" {
|
|
ccArgs = append(ccArgs, "-lgo")
|
|
}
|
|
if out, err := exec.Command(ccArgs[0], ccArgs[1:]...).CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
|
|
cmd = exec.Command(bin[0], append(bin[1:], "1")...)
|
|
|
|
out, err := cmd.CombinedOutput()
|
|
t.Logf("%s", out)
|
|
expectSignal(t, err, syscall.SIGSEGV)
|
|
|
|
// Test SIGPIPE forwarding
|
|
cmd = exec.Command(bin[0], append(bin[1:], "3")...)
|
|
|
|
out, err = cmd.CombinedOutput()
|
|
t.Logf("%s", out)
|
|
expectSignal(t, err, syscall.SIGPIPE)
|
|
}
|
|
|
|
func TestSignalForwardingExternal(t *testing.T) {
|
|
if GOOS == "freebsd" {
|
|
t.Skipf("skipping on %s/%s; signal always goes to the Go runtime", GOOS, GOARCH)
|
|
}
|
|
checkSignalForwardingTest(t)
|
|
|
|
defer func() {
|
|
os.Remove("libgo2.a")
|
|
os.Remove("libgo2.h")
|
|
os.Remove("testp")
|
|
os.RemoveAll("pkg")
|
|
}()
|
|
|
|
cmd := exec.Command("go", "build", "-buildmode=c-archive", "-o", "libgo2.a", "libgo2")
|
|
cmd.Env = gopathEnv
|
|
if out, err := cmd.CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
checkLineComments(t, "libgo2.h")
|
|
|
|
ccArgs := append(cc, "-o", "testp"+exeSuffix, "main5.c", "libgo2.a")
|
|
if runtime.Compiler == "gccgo" {
|
|
ccArgs = append(ccArgs, "-lgo")
|
|
}
|
|
if out, err := exec.Command(ccArgs[0], ccArgs[1:]...).CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// We want to send the process a signal and see if it dies.
|
|
// Normally the signal goes to the C thread, the Go signal
|
|
// handler picks it up, sees that it is running in a C thread,
|
|
// and the program dies. Unfortunately, occasionally the
|
|
// signal is delivered to a Go thread, which winds up
|
|
// discarding it because it was sent by another program and
|
|
// there is no Go handler for it. To avoid this, run the
|
|
// program several times in the hopes that it will eventually
|
|
// fail.
|
|
const tries = 20
|
|
for i := 0; i < tries; i++ {
|
|
cmd = exec.Command(bin[0], append(bin[1:], "2")...)
|
|
|
|
stderr, err := cmd.StderrPipe()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer stderr.Close()
|
|
|
|
r := bufio.NewReader(stderr)
|
|
|
|
err = cmd.Start()
|
|
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Wait for trigger to ensure that the process is started.
|
|
ok, err := r.ReadString('\n')
|
|
|
|
// Verify trigger.
|
|
if err != nil || ok != "OK\n" {
|
|
t.Fatalf("Did not receive OK signal")
|
|
}
|
|
|
|
// Give the program a chance to enter the sleep function.
|
|
time.Sleep(time.Millisecond)
|
|
|
|
cmd.Process.Signal(syscall.SIGSEGV)
|
|
|
|
err = cmd.Wait()
|
|
|
|
if err == nil {
|
|
continue
|
|
}
|
|
|
|
if expectSignal(t, err, syscall.SIGSEGV) {
|
|
return
|
|
}
|
|
}
|
|
|
|
t.Errorf("program succeeded unexpectedly %d times", tries)
|
|
}
|
|
|
|
// checkSignalForwardingTest calls t.Skip if the SignalForwarding test
|
|
// doesn't work on this platform.
|
|
func checkSignalForwardingTest(t *testing.T) {
|
|
switch GOOS {
|
|
case "darwin":
|
|
switch GOARCH {
|
|
case "arm", "arm64":
|
|
t.Skipf("skipping on %s/%s; see https://golang.org/issue/13701", GOOS, GOARCH)
|
|
}
|
|
case "windows":
|
|
t.Skip("skipping signal test on Windows")
|
|
}
|
|
}
|
|
|
|
// expectSignal checks that err, the exit status of a test program,
|
|
// shows a failure due to a specific signal. Returns whether we found
|
|
// the expected signal.
|
|
func expectSignal(t *testing.T, err error, sig syscall.Signal) bool {
|
|
if err == nil {
|
|
t.Error("test program succeeded unexpectedly")
|
|
} else if ee, ok := err.(*exec.ExitError); !ok {
|
|
t.Errorf("error (%v) has type %T; expected exec.ExitError", err, err)
|
|
} else if ws, ok := ee.Sys().(syscall.WaitStatus); !ok {
|
|
t.Errorf("error.Sys (%v) has type %T; expected syscall.WaitStatus", ee.Sys(), ee.Sys())
|
|
} else if !ws.Signaled() || ws.Signal() != sig {
|
|
t.Errorf("got %v; expected signal %v", ee, sig)
|
|
} else {
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
func TestOsSignal(t *testing.T) {
|
|
switch GOOS {
|
|
case "windows":
|
|
t.Skip("skipping signal test on Windows")
|
|
}
|
|
|
|
defer func() {
|
|
os.Remove("libgo3.a")
|
|
os.Remove("libgo3.h")
|
|
os.Remove("testp")
|
|
os.RemoveAll("pkg")
|
|
}()
|
|
|
|
cmd := exec.Command("go", "build", "-buildmode=c-archive", "-o", "libgo3.a", "libgo3")
|
|
cmd.Env = gopathEnv
|
|
if out, err := cmd.CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
checkLineComments(t, "libgo3.h")
|
|
|
|
ccArgs := append(cc, "-o", "testp"+exeSuffix, "main3.c", "libgo3.a")
|
|
if runtime.Compiler == "gccgo" {
|
|
ccArgs = append(ccArgs, "-lgo")
|
|
}
|
|
if out, err := exec.Command(ccArgs[0], ccArgs[1:]...).CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if out, err := exec.Command(bin[0], bin[1:]...).CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestSigaltstack(t *testing.T) {
|
|
switch GOOS {
|
|
case "windows":
|
|
t.Skip("skipping signal test on Windows")
|
|
}
|
|
|
|
defer func() {
|
|
os.Remove("libgo4.a")
|
|
os.Remove("libgo4.h")
|
|
os.Remove("testp")
|
|
os.RemoveAll("pkg")
|
|
}()
|
|
|
|
cmd := exec.Command("go", "build", "-buildmode=c-archive", "-o", "libgo4.a", "libgo4")
|
|
cmd.Env = gopathEnv
|
|
if out, err := cmd.CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
checkLineComments(t, "libgo4.h")
|
|
|
|
ccArgs := append(cc, "-o", "testp"+exeSuffix, "main4.c", "libgo4.a")
|
|
if runtime.Compiler == "gccgo" {
|
|
ccArgs = append(ccArgs, "-lgo")
|
|
}
|
|
if out, err := exec.Command(ccArgs[0], ccArgs[1:]...).CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if out, err := exec.Command(bin[0], bin[1:]...).CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
const testar = `#!/usr/bin/env bash
|
|
while [[ $1 == -* ]] >/dev/null; do
|
|
shift
|
|
done
|
|
echo "testar" > $1
|
|
echo "testar" > PWD/testar.ran
|
|
`
|
|
|
|
func TestExtar(t *testing.T) {
|
|
switch GOOS {
|
|
case "windows":
|
|
t.Skip("skipping signal test on Windows")
|
|
}
|
|
if runtime.Compiler == "gccgo" {
|
|
t.Skip("skipping -extar test when using gccgo")
|
|
}
|
|
|
|
defer func() {
|
|
os.Remove("libgo4.a")
|
|
os.Remove("libgo4.h")
|
|
os.Remove("testar")
|
|
os.Remove("testar.ran")
|
|
os.RemoveAll("pkg")
|
|
}()
|
|
|
|
os.Remove("testar")
|
|
dir, err := os.Getwd()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
s := strings.Replace(testar, "PWD", dir, 1)
|
|
if err := ioutil.WriteFile("testar", []byte(s), 0777); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
cmd := exec.Command("go", "build", "-buildmode=c-archive", "-ldflags=-extar="+filepath.Join(dir, "testar"), "-o", "libgo4.a", "libgo4")
|
|
cmd.Env = gopathEnv
|
|
if out, err := cmd.CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
checkLineComments(t, "libgo4.h")
|
|
|
|
if _, err := os.Stat("testar.ran"); err != nil {
|
|
if os.IsNotExist(err) {
|
|
t.Error("testar does not exist after go build")
|
|
} else {
|
|
t.Errorf("error checking testar: %v", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestPIE(t *testing.T) {
|
|
switch GOOS {
|
|
case "windows", "darwin", "plan9":
|
|
t.Skipf("skipping PIE test on %s", GOOS)
|
|
}
|
|
|
|
defer func() {
|
|
os.Remove("testp" + exeSuffix)
|
|
os.RemoveAll("pkg")
|
|
}()
|
|
|
|
cmd := exec.Command("go", "install", "-i", "-buildmode=c-archive", "libgo")
|
|
cmd.Env = gopathEnv
|
|
if out, err := cmd.CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
|
|
libgoa := "libgo.a"
|
|
if runtime.Compiler == "gccgo" {
|
|
libgoa = "liblibgo.a"
|
|
}
|
|
|
|
ccArgs := append(cc, "-fPIE", "-pie", "-o", "testp"+exeSuffix, "main.c", "main_unix.c", filepath.Join("pkg", libgodir, libgoa))
|
|
if runtime.Compiler == "gccgo" {
|
|
ccArgs = append(ccArgs, "-lgo")
|
|
}
|
|
if out, err := exec.Command(ccArgs[0], ccArgs[1:]...).CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
|
|
binArgs := append(bin, "arg1", "arg2")
|
|
cmd = exec.Command(binArgs[0], binArgs[1:]...)
|
|
if runtime.Compiler == "gccgo" {
|
|
cmd.Env = append(os.Environ(), "GCCGO=1")
|
|
}
|
|
if out, err := cmd.CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
|
|
f, err := elf.Open("testp" + exeSuffix)
|
|
if err != nil {
|
|
t.Fatal("elf.Open failed: ", err)
|
|
}
|
|
defer f.Close()
|
|
if hasDynTag(t, f, elf.DT_TEXTREL) {
|
|
t.Errorf("%s has DT_TEXTREL flag", "testp"+exeSuffix)
|
|
}
|
|
}
|
|
|
|
func hasDynTag(t *testing.T, f *elf.File, tag elf.DynTag) bool {
|
|
ds := f.SectionByType(elf.SHT_DYNAMIC)
|
|
if ds == nil {
|
|
t.Error("no SHT_DYNAMIC section")
|
|
return false
|
|
}
|
|
d, err := ds.Data()
|
|
if err != nil {
|
|
t.Errorf("can't read SHT_DYNAMIC contents: %v", err)
|
|
return false
|
|
}
|
|
for len(d) > 0 {
|
|
var t elf.DynTag
|
|
switch f.Class {
|
|
case elf.ELFCLASS32:
|
|
t = elf.DynTag(f.ByteOrder.Uint32(d[:4]))
|
|
d = d[8:]
|
|
case elf.ELFCLASS64:
|
|
t = elf.DynTag(f.ByteOrder.Uint64(d[:8]))
|
|
d = d[16:]
|
|
}
|
|
if t == tag {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func TestSIGPROF(t *testing.T) {
|
|
switch GOOS {
|
|
case "windows", "plan9":
|
|
t.Skipf("skipping SIGPROF test on %s", GOOS)
|
|
case "darwin":
|
|
t.Skipf("skipping SIGPROF test on %s; see https://golang.org/issue/19320", GOOS)
|
|
}
|
|
|
|
t.Parallel()
|
|
|
|
defer func() {
|
|
os.Remove("testp6" + exeSuffix)
|
|
os.Remove("libgo6.a")
|
|
os.Remove("libgo6.h")
|
|
}()
|
|
|
|
cmd := exec.Command("go", "build", "-buildmode=c-archive", "-o", "libgo6.a", "libgo6")
|
|
cmd.Env = gopathEnv
|
|
if out, err := cmd.CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
checkLineComments(t, "libgo6.h")
|
|
|
|
ccArgs := append(cc, "-o", "testp6"+exeSuffix, "main6.c", "libgo6.a")
|
|
if runtime.Compiler == "gccgo" {
|
|
ccArgs = append(ccArgs, "-lgo")
|
|
}
|
|
if out, err := exec.Command(ccArgs[0], ccArgs[1:]...).CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
|
|
argv := cmdToRun("./testp6")
|
|
cmd = exec.Command(argv[0], argv[1:]...)
|
|
if out, err := cmd.CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
// TestCompileWithoutShared tests that if we compile code without the
|
|
// -shared option, we can put it into an archive. When we use the go
|
|
// tool with -buildmode=c-archive, it passes -shared to the compiler,
|
|
// so we override that. The go tool doesn't work this way, but Bazel
|
|
// will likely do it in the future. And it ought to work. This test
|
|
// was added because at one time it did not work on PPC GNU/Linux.
|
|
func TestCompileWithoutShared(t *testing.T) {
|
|
// For simplicity, reuse the signal forwarding test.
|
|
checkSignalForwardingTest(t)
|
|
|
|
defer func() {
|
|
os.Remove("libgo2.a")
|
|
os.Remove("libgo2.h")
|
|
}()
|
|
|
|
cmd := exec.Command("go", "build", "-buildmode=c-archive", "-gcflags=-shared=false", "-o", "libgo2.a", "libgo2")
|
|
cmd.Env = gopathEnv
|
|
t.Log(cmd.Args)
|
|
out, err := cmd.CombinedOutput()
|
|
t.Logf("%s", out)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
checkLineComments(t, "libgo2.h")
|
|
|
|
exe := "./testnoshared" + exeSuffix
|
|
|
|
// In some cases, -no-pie is needed here, but not accepted everywhere. First try
|
|
// if -no-pie is accepted. See #22126.
|
|
ccArgs := append(cc, "-o", exe, "-no-pie", "main5.c", "libgo2.a")
|
|
if runtime.Compiler == "gccgo" {
|
|
ccArgs = append(ccArgs, "-lgo")
|
|
}
|
|
t.Log(ccArgs)
|
|
out, err = exec.Command(ccArgs[0], ccArgs[1:]...).CombinedOutput()
|
|
|
|
// If -no-pie unrecognized, try -nopie if this is possibly clang
|
|
if err != nil && bytes.Contains(out, []byte("unknown")) && !strings.Contains(cc[0], "gcc") {
|
|
ccArgs = append(cc, "-o", exe, "-nopie", "main5.c", "libgo2.a")
|
|
t.Log(ccArgs)
|
|
out, err = exec.Command(ccArgs[0], ccArgs[1:]...).CombinedOutput()
|
|
}
|
|
|
|
// Don't use either -no-pie or -nopie
|
|
if err != nil && bytes.Contains(out, []byte("unrecognized")) {
|
|
ccArgs := append(cc, "-o", exe, "main5.c", "libgo2.a")
|
|
t.Log(ccArgs)
|
|
out, err = exec.Command(ccArgs[0], ccArgs[1:]...).CombinedOutput()
|
|
}
|
|
t.Logf("%s", out)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.Remove(exe)
|
|
|
|
binArgs := append(cmdToRun(exe), "3")
|
|
t.Log(binArgs)
|
|
out, err = exec.Command(binArgs[0], binArgs[1:]...).CombinedOutput()
|
|
t.Logf("%s", out)
|
|
expectSignal(t, err, syscall.SIGPIPE)
|
|
}
|
|
|
|
// Test that installing a second time recreates the header files.
|
|
func TestCachedInstall(t *testing.T) {
|
|
defer os.RemoveAll("pkg")
|
|
|
|
h1 := filepath.Join("pkg", libgodir, "libgo.h")
|
|
h2 := filepath.Join("pkg", libgodir, "p.h")
|
|
|
|
buildcmd := []string{"go", "install", "-i", "-buildmode=c-archive", "libgo"}
|
|
|
|
cmd := exec.Command(buildcmd[0], buildcmd[1:]...)
|
|
cmd.Env = gopathEnv
|
|
t.Log(buildcmd)
|
|
if out, err := cmd.CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if _, err := os.Stat(h1); err != nil {
|
|
t.Errorf("libgo.h not installed: %v", err)
|
|
}
|
|
if _, err := os.Stat(h2); err != nil {
|
|
t.Errorf("p.h not installed: %v", err)
|
|
}
|
|
|
|
if err := os.Remove(h1); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := os.Remove(h2); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
cmd = exec.Command(buildcmd[0], buildcmd[1:]...)
|
|
cmd.Env = gopathEnv
|
|
t.Log(buildcmd)
|
|
if out, err := cmd.CombinedOutput(); err != nil {
|
|
t.Logf("%s", out)
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if _, err := os.Stat(h1); err != nil {
|
|
t.Errorf("libgo.h not installed in second run: %v", err)
|
|
}
|
|
if _, err := os.Stat(h2); err != nil {
|
|
t.Errorf("p.h not installed in second run: %v", err)
|
|
}
|
|
}
|