os.Exit(2)
		}
		os.Exit(0)
	}

	d := t.TempDir()

	// Since we are doing a chroot, we need the binary there,
	// and it must be statically linked.
	testenv.MustHaveGoBuild(t)
	if platform.MustLinkExternal(runtime.GOOS, runtime.GOARCH, false) {
		t.Skipf("skipping: can't build static binary because %s/%s requires external linking", runtime.GOOS, runtime.GOARCH)
	}
	x := filepath.Join(d, "syscall.test")
	t.Cleanup(func() {