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// 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.
//go:build linux || (freebsd && amd64)
package sanitizers_test
import (
"fmt"
"internal/platform"
"internal/testenv"
"os"
"strings"
"testing"
)
func TestShared(t *testing.T) {
testenv.MustHaveGoBuild(t)
testenv.MustHaveCGO(t)
testenv.MustHaveBuildMode(t, "c-shared")
t.Parallel()
requireOvercommit(t)
GOOS, err := goEnv("GOOS")
if err != nil {
t.Fatal(err)
}
GOARCH, err := goEnv("GOARCH")
if err != nil {
t.Fatal(err)
}
libExt := "so"
if GOOS == "darwin" {
libExt = "dylib"
}
cases := []struct {
src string
sanitizer string
}{
{
src: "msan_shared.go",
sanitizer: "memory",
},
{
src: "tsan_shared.go",
sanitizer: "thread",
},
}
for _, tc := range cases {
tc := tc
name := strings.TrimSuffix(tc.src, ".go")
//The memory sanitizer tests require support for the -msan option.
if tc.sanitizer == "memory" && !platform.MSanSupported(GOOS, GOARCH) {
t.Logf("skipping %s test on %s/%s; -msan option is not supported.", name, GOOS, GOARCH)
continue
}
if tc.sanitizer == "thread" && !compilerRequiredTsanVersion(GOOS, GOARCH) {
t.Logf("skipping %s test on %s/%s; compiler version too old for -tsan.", name, GOOS, GOARCH)
continue
}
t.Run(name, func(t *testing.T) {
t.Parallel()
config := configure(tc.sanitizer)
config.skipIfCSanitizerBroken(t)
dir := newTempDir(t)
defer dir.RemoveAll(t)
lib := dir.Join(fmt.Sprintf("lib%s.%s", name, libExt))
mustRun(t, config.goCmd("build", "-buildmode=c-shared", "-o", lib, srcPath(tc.src)))
cSrc := dir.Join("main.c")
if err := os.WriteFile(cSrc, cMain, 0600); err != nil {
t.Fatalf("failed to write C source file: %v", err)
}
dstBin := dir.Join(name)
cmd, err := cc(config.cFlags...)
if err != nil {
t.Fatal(err)
}
cmd.Args = append(cmd.Args, config.ldFlags...)
cmd.Args = append(cmd.Args, "-o", dstBin, cSrc, lib)
mustRun(t, cmd)
cmd = hangProneCmd(dstBin)
replaceEnv(cmd, "LD_LIBRARY_PATH", ".")
mustRun(t, cmd)
})
}
}