Adding upstream version 1.20.14.upstream/1.20.14upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 388 insertions, 0 deletions

diff --git a/src/cmd/internal/archive/archive_test.go b/src/cmd/internal/archive/archive_test.go
new file mode 100644
index 0000000..0e2c7bc
--- /dev/null
+++ b/src/cmd/internal/archive/archive_test.go
@@ -0,0 +1,388 @@
+// Copyright 2017 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 archive
+
+import (
+	"bytes"
+	"debug/elf"
+	"debug/macho"
+	"debug/pe"
+	"fmt"
+	"internal/testenv"
+	"internal/xcoff"
+	"io"
+	"os"
+	"path/filepath"
+	"runtime"
+	"sync"
+	"testing"
+	"unicode/utf8"
+)
+
+var buildDir string
+
+func TestMain(m *testing.M) {
+	if !testenv.HasGoBuild() {
+		return
+	}
+
+	exit := m.Run()
+
+	if buildDir != "" {
+		os.RemoveAll(buildDir)
+	}
+	os.Exit(exit)
+}
+
+func copyDir(dst, src string) error {
+	err := os.MkdirAll(dst, 0777)
+	if err != nil {
+		return err
+	}
+	entries, err := os.ReadDir(src)
+	if err != nil {
+		return err
+	}
+	for _, entry := range entries {
+		err = copyFile(filepath.Join(dst, entry.Name()), filepath.Join(src, entry.Name()))
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func copyFile(dst, src string) (err error) {
+	var s, d *os.File
+	s, err = os.Open(src)
+	if err != nil {
+		return err
+	}
+	defer s.Close()
+	d, err = os.Create(dst)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		e := d.Close()
+		if err == nil {
+			err = e
+		}
+	}()
+	_, err = io.Copy(d, s)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+var (
+	buildOnce   sync.Once
+	builtGoobjs goobjPaths
+	buildErr    error
+)
+
+type goobjPaths struct {
+	go1obj     string
+	go2obj     string
+	goarchive  string
+	cgoarchive string
+}
+
+func buildGoobj(t *testing.T) goobjPaths {
+	buildOnce.Do(func() {
+		buildErr = func() (err error) {
+			buildDir, err = os.MkdirTemp("", "TestGoobj")
+			if err != nil {
+				return err
+			}
+
+			go1obj := filepath.Join(buildDir, "go1.o")
+			go2obj := filepath.Join(buildDir, "go2.o")
+			goarchive := filepath.Join(buildDir, "go.a")
+			cgoarchive := ""
+
+			gotool, err := testenv.GoTool()
+			if err != nil {
+				return err
+			}
+
+			go1src := filepath.Join("testdata", "go1.go")
+			go2src := filepath.Join("testdata", "go2.go")
+
+			importcfgfile := filepath.Join(buildDir, "importcfg")
+			testenv.WriteImportcfg(t, importcfgfile, nil)
+
+			out, err := testenv.Command(t, gotool, "tool", "compile", "-importcfg="+importcfgfile, "-p=p", "-o", go1obj, go1src).CombinedOutput()
+			if err != nil {
+				return fmt.Errorf("go tool compile -o %s %s: %v\n%s", go1obj, go1src, err, out)
+			}
+			out, err = testenv.Command(t, gotool, "tool", "compile", "-importcfg="+importcfgfile, "-p=p", "-o", go2obj, go2src).CombinedOutput()
+			if err != nil {
+				return fmt.Errorf("go tool compile -o %s %s: %v\n%s", go2obj, go2src, err, out)
+			}
+			out, err = testenv.Command(t, gotool, "tool", "pack", "c", goarchive, go1obj, go2obj).CombinedOutput()
+			if err != nil {
+				return fmt.Errorf("go tool pack c %s %s %s: %v\n%s", goarchive, go1obj, go2obj, err, out)
+			}
+
+			if testenv.HasCGO() {
+				cgoarchive = filepath.Join(buildDir, "mycgo.a")
+				gopath := filepath.Join(buildDir, "gopath")
+				err = copyDir(filepath.Join(gopath, "src", "mycgo"), filepath.Join("testdata", "mycgo"))
+				if err == nil {
+					err = os.WriteFile(filepath.Join(gopath, "src", "mycgo", "go.mod"), []byte("module mycgo\n"), 0666)
+				}
+				if err != nil {
+					return err
+				}
+				cmd := testenv.Command(t, gotool, "build", "-buildmode=archive", "-o", cgoarchive, "-gcflags=all="+os.Getenv("GO_GCFLAGS"), "mycgo")
+				cmd.Dir = filepath.Join(gopath, "src", "mycgo")
+				cmd.Env = append(os.Environ(), "GOPATH="+gopath)
+				out, err = cmd.CombinedOutput()
+				if err != nil {
+					return fmt.Errorf("go install mycgo: %v\n%s", err, out)
+				}
+			}
+
+			builtGoobjs = goobjPaths{
+				go1obj:     go1obj,
+				go2obj:     go2obj,
+				goarchive:  goarchive,
+				cgoarchive: cgoarchive,
+			}
+			return nil
+		}()
+	})
+
+	if buildErr != nil {
+		t.Helper()
+		t.Fatal(buildErr)
+	}
+	return builtGoobjs
+}
+
+func TestParseGoobj(t *testing.T) {
+	path := buildGoobj(t).go1obj
+
+	f, err := os.Open(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer f.Close()
+
+	a, err := Parse(f, false)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(a.Entries) != 2 {
+		t.Errorf("expect 2 entry, found %d", len(a.Entries))
+	}
+	for _, e := range a.Entries {
+		if e.Type == EntryPkgDef {
+			continue
+		}
+		if e.Type != EntryGoObj {
+			t.Errorf("wrong type of object: want EntryGoObj, got %v", e.Type)
+		}
+		if !bytes.Contains(e.Obj.TextHeader, []byte(runtime.GOARCH)) {
+			t.Errorf("text header does not contain GOARCH %s: %q", runtime.GOARCH, e.Obj.TextHeader)
+		}
+	}
+}
+
+func TestParseArchive(t *testing.T) {
+	path := buildGoobj(t).goarchive
+
+	f, err := os.Open(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer f.Close()
+
+	a, err := Parse(f, false)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(a.Entries) != 3 {
+		t.Errorf("expect 3 entry, found %d", len(a.Entries))
+	}
+	var found1 bool
+	var found2 bool
+	for _, e := range a.Entries {
+		if e.Type == EntryPkgDef {
+			continue
+		}
+		if e.Type != EntryGoObj {
+			t.Errorf("wrong type of object: want EntryGoObj, got %v", e.Type)
+		}
+		if !bytes.Contains(e.Obj.TextHeader, []byte(runtime.GOARCH)) {
+			t.Errorf("text header does not contain GOARCH %s: %q", runtime.GOARCH, e.Obj.TextHeader)
+		}
+		if e.Name == "go1.o" {
+			found1 = true
+		}
+		if e.Name == "go2.o" {
+			found2 = true
+		}
+	}
+	if !found1 {
+		t.Errorf(`object "go1.o" not found`)
+	}
+	if !found2 {
+		t.Errorf(`object "go2.o" not found`)
+	}
+}
+
+func TestParseCGOArchive(t *testing.T) {
+	testenv.MustHaveCGO(t)
+
+	path := buildGoobj(t).cgoarchive
+
+	f, err := os.Open(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer f.Close()
+
+	a, err := Parse(f, false)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	c1 := "c1"
+	c2 := "c2"
+	switch runtime.GOOS {
+	case "darwin", "ios":
+		c1 = "_" + c1
+		c2 = "_" + c2
+	case "windows":
+		if runtime.GOARCH == "386" {
+			c1 = "_" + c1
+			c2 = "_" + c2
+		}
+	case "aix":
+		c1 = "." + c1
+		c2 = "." + c2
+	}
+
+	var foundgo, found1, found2 bool
+
+	for _, e := range a.Entries {
+		switch e.Type {
+		default:
+			t.Errorf("unknown object type")
+		case EntryPkgDef:
+			continue
+		case EntryGoObj:
+			foundgo = true
+			if !bytes.Contains(e.Obj.TextHeader, []byte(runtime.GOARCH)) {
+				t.Errorf("text header does not contain GOARCH %s: %q", runtime.GOARCH, e.Obj.TextHeader)
+			}
+			continue
+		case EntryNativeObj:
+		}
+
+		obj := io.NewSectionReader(f, e.Offset, e.Size)
+		switch runtime.GOOS {
+		case "darwin", "ios":
+			mf, err := macho.NewFile(obj)
+			if err != nil {
+				t.Fatal(err)
+			}
+			if mf.Symtab == nil {
+				continue
+			}
+			for _, s := range mf.Symtab.Syms {
+				switch s.Name {
+				case c1:
+					found1 = true
+				case c2:
+					found2 = true
+				}
+			}
+		case "windows":
+			pf, err := pe.NewFile(obj)
+			if err != nil {
+				t.Fatal(err)
+			}
+			for _, s := range pf.Symbols {
+				switch s.Name {
+				case c1:
+					found1 = true
+				case c2:
+					found2 = true
+				}
+			}
+		case "aix":
+			xf, err := xcoff.NewFile(obj)
+			if err != nil {
+				t.Fatal(err)
+			}
+			for _, s := range xf.Symbols {
+				switch s.Name {
+				case c1:
+					found1 = true
+				case c2:
+					found2 = true
+				}
+			}
+		default: // ELF
+			ef, err := elf.NewFile(obj)
+			if err != nil {
+				t.Fatal(err)
+			}
+			syms, err := ef.Symbols()
+			if err != nil {
+				t.Fatal(err)
+			}
+			for _, s := range syms {
+				switch s.Name {
+				case c1:
+					found1 = true
+				case c2:
+					found2 = true
+				}
+			}
+		}
+	}
+
+	if !foundgo {
+		t.Errorf(`go object not found`)
+	}
+	if !found1 {
+		t.Errorf(`symbol %q not found`, c1)
+	}
+	if !found2 {
+		t.Errorf(`symbol %q not found`, c2)
+	}
+}
+
+func TestExactly16Bytes(t *testing.T) {
+	var tests = []string{
+		"",
+		"a",
+		"日本語",
+		"1234567890123456",
+		"12345678901234567890",
+		"1234567890123本語4567890",
+		"12345678901234日本語567890",
+		"123456789012345日本語67890",
+		"1234567890123456日本語7890",
+		"1234567890123456日本語7日本語890",
+	}
+	for _, str := range tests {
+		got := exactly16Bytes(str)
+		if len(got) != 16 {
+			t.Errorf("exactly16Bytes(%q) is %q, length %d", str, got, len(got))
+		}
+		// Make sure it is full runes.
+		for _, c := range got {
+			if c == utf8.RuneError {
+				t.Errorf("exactly16Bytes(%q) is %q, has partial rune", str, got)
+			}
+		}
+	}
+}