cshared_test.go

     1  // Copyright 2017 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package sanitizers_test
     6  
     7  import (
     8  	"fmt"
     9  	"os"
    10  	"strings"
    11  	"testing"
    12  )
    13  
    14  func TestShared(t *testing.T) {
    15  	t.Parallel()
    16  	requireOvercommit(t)
    17  
    18  	GOOS, err := goEnv("GOOS")
    19  	if err != nil {
    20  		t.Fatal(err)
    21  	}
    22  
    23  	GOARCH, err := goEnv("GOARCH")
    24  	if err != nil {
    25  		t.Fatal(err)
    26  	}
    27  
    28  	libExt := "so"
    29  	if GOOS == "darwin" {
    30  		libExt = "dylib"
    31  	}
    32  
    33  	cases := []struct {
    34  		src       string
    35  		sanitizer string
    36  	}{
    37  		{
    38  			src:       "msan_shared.go",
    39  			sanitizer: "memory",
    40  		},
    41  		{
    42  			src:       "tsan_shared.go",
    43  			sanitizer: "thread",
    44  		},
    45  	}
    46  
    47  	for _, tc := range cases {
    48  		tc := tc
    49  		name := strings.TrimSuffix(tc.src, ".go")
    50  		//The memory sanitizer tests require support for the -msan option.
    51  		if tc.sanitizer == "memory" && !mSanSupported(GOOS, GOARCH) {
    52  			t.Logf("skipping %s test on %s/%s; -msan option is not supported.", name, GOOS, GOARCH)
    53  			continue
    54  		}
    55  		t.Run(name, func(t *testing.T) {
    56  			t.Parallel()
    57  			config := configure(tc.sanitizer)
    58  			config.skipIfCSanitizerBroken(t)
    59  
    60  			dir := newTempDir(t)
    61  			defer dir.RemoveAll(t)
    62  
    63  			lib := dir.Join(fmt.Sprintf("lib%s.%s", name, libExt))
    64  			mustRun(t, config.goCmd("build", "-buildmode=c-shared", "-o", lib, srcPath(tc.src)))
    65  
    66  			cSrc := dir.Join("main.c")
    67  			if err := os.WriteFile(cSrc, cMain, 0600); err != nil {
    68  				t.Fatalf("failed to write C source file: %v", err)
    69  			}
    70  
    71  			dstBin := dir.Join(name)
    72  			cmd, err := cc(config.cFlags...)
    73  			if err != nil {
    74  				t.Fatal(err)
    75  			}
    76  			cmd.Args = append(cmd.Args, config.ldFlags...)
    77  			cmd.Args = append(cmd.Args, "-o", dstBin, cSrc, lib)
    78  			mustRun(t, cmd)
    79  
    80  			cmd = hangProneCmd(dstBin)
    81  			replaceEnv(cmd, "LD_LIBRARY_PATH", ".")
    82  			mustRun(t, cmd)
    83  		})
    84  	}
    85  }
    86
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