sptls04: Test an external TLS object

spec/build/testsuites/sptests/sptls04.yml

@@ -12,6 +12,7 @@ ldflags: []
 links: []
 source:
 - testsuites/sptests/sptls04/init.c
+- testsuites/sptests/sptls04/tls.c
 stlib: []
 target: testsuites/sptests/sptls04.exe
 type: build

testsuites/sptests/sptls04/init.c

@@ -9,7 +9,7 @@
 /*
  * This test program runs also on GNU/Linux and FreeBSD.  Use
  *
- * cc init.c && ./a.out
+ * cc init.c tls.c && ./a.out
  *
  * to run it.
  */
@@ -18,6 +18,8 @@
 #include "config.h"
 #endif
 
+#include "sptls04.h"
+
 #ifdef __rtems__
 
 #include <tmacros.h>
@@ -30,9 +32,9 @@
 
 #endif /* __rtems__ */
 
-static __thread int i;
+static _Thread_local int i;
 
-static __thread int j;
+static _Thread_local int j;
 
 static __attribute__((__constructor__)) void con(void)
 {
@@ -43,6 +45,7 @@ static void test(void)
 {
   rtems_test_assert(i == 1);
   rtems_test_assert(j == 0);
+  rtems_test_assert(k == 2);
 }
 
 #ifdef __rtems__

testsuites/sptests/sptls04/sptls04.h

@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (C) 2022 embedded brains GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _SPTLS01_H
+#define _SPTLS01_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern _Thread_local int k;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SPTLS01_H */

testsuites/sptests/sptls04/tls.c

@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (C) 2022 embedded brains GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "sptls04.h"
+
+_Thread_local int k = 2;