Merge commit 'upstream/2.20'

[msp430-binutils.git] / gold / testsuite / tls_test_c.c

diff --git a/gold/testsuite/tls_test_c.c b/gold/testsuite/tls_test_c.c
new file mode 100644 (file)
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+++ b/gold/testsuite/tls_test_c.c
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+/* tls_test_c.c -- test TLS common symbol
+
+   Copyright 2008 Free Software Foundation, Inc.
+   Written by Ian Lance Taylor <iant@google.com>
+
+   This file is part of gold.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+/* The only way I know to get gcc to generate a TLS common symbol is
+   to use a C file and an OpenMP directive.  */
+
+#include <stdio.h>
+#include "config.h"
+
+#define CHECK_EQ_OR_RETURN(var, expected)                              \
+  do                                                                   \
+    {                                                                  \
+      if ((var) != (expected))                                         \
+       {                                                               \
+         printf(#var ": expected %d, found %d\n", expected, var);      \
+         return 0;                                                     \
+       }                                                               \
+    }                                                                  \
+  while (0)
+
+#ifdef HAVE_OMP_SUPPORT
+int v7;
+#pragma omp threadprivate (v7)
+#endif
+
+int t11(void);
+int t11_last(void);
+
+int
+t11(void)
+{
+#ifdef HAVE_OMP_SUPPORT
+  CHECK_EQ_OR_RETURN(v7, 0);
+  v7 = 70;
+#endif
+  return 1;
+}
+
+int
+t11_last(void)
+{
+#ifdef HAVE_OMP_SUPPORT
+  CHECK_EQ_OR_RETURN(v7, 70);
+#endif
+  return 1;
+}