1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
// run
//go:build !nacl && !js && !wasip1
// 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.
// Run the sinit test.
package main
import (
"fmt"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"strings"
)
var tmpDir string
func cleanup() {
os.RemoveAll(tmpDir)
}
func run(cmdline ...string) {
args := strings.Fields(strings.Join(cmdline, " "))
cmd := exec.Command(args[0], args[1:]...)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Printf("$ %s\n", cmdline)
fmt.Println(string(out))
fmt.Println(err)
cleanup()
os.Exit(1)
}
}
func runFail(cmdline ...string) {
args := strings.Fields(strings.Join(cmdline, " "))
cmd := exec.Command(args[0], args[1:]...)
out, err := cmd.CombinedOutput()
if err == nil {
fmt.Printf("$ %s\n", cmdline)
fmt.Println(string(out))
fmt.Println("SHOULD HAVE FAILED!")
cleanup()
os.Exit(1)
}
}
func main() {
var err error
tmpDir, err = ioutil.TempDir("", "")
if err != nil {
fmt.Println(err)
os.Exit(1)
}
tmp := func(name string) string {
return filepath.Join(tmpDir, name)
}
importcfg, err := exec.Command("go", "list", "-export", "-f", "{{if .Export}}packagefile {{.ImportPath}}={{.Export}}{{end}}", "std").Output()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
os.WriteFile(tmp("importcfg"), importcfg, 0644)
// helloworld.go is package main
run("go tool compile -p=main -importcfg", tmp("importcfg"), "-o", tmp("linkmain.o"), "helloworld.go")
run("go tool compile -p=main -importcfg", tmp("importcfg"), " -pack -o", tmp("linkmain.a"), "helloworld.go")
run("go tool link -importcfg", tmp("importcfg"), "-o", tmp("linkmain.exe"), tmp("linkmain.o"))
run("go tool link -importcfg", tmp("importcfg"), "-o", tmp("linkmain.exe"), tmp("linkmain.a"))
// linkmain.go is not
run("go tool compile -importcfg", tmp("importcfg"), "-p=notmain -o", tmp("linkmain1.o"), "linkmain.go")
run("go tool compile -importcfg", tmp("importcfg"), "-p=notmain -pack -o", tmp("linkmain1.a"), "linkmain.go")
runFail("go tool link -importcfg", tmp("importcfg"), "-o", tmp("linkmain.exe"), tmp("linkmain1.o"))
runFail("go tool link -importcfg", tmp("importcfg"), "-o", tmp("linkmain.exe"), tmp("linkmain1.a"))
cleanup()
}
|
