test/tls/: tests for thread local storage functionality

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

1 files changed, 68 insertions, 0 deletions

diff --git a/test/tls/tst-tlsmod1.c b/test/tls/tst-tlsmod1.c
new file mode 100644
index 000000000..b4954ca3e
--- /dev/null
+++ b/test/tls/tst-tlsmod1.c
@@ -0,0 +1,68 @@
+#include <stdio.h>
+
+#include <tls.h>
+
+#ifdef USE_TLS
+#include "tls-macros.h"
+
+
+/* One define int variable, two externs.  */
+COMMON_INT_DEF(foo);
+VAR_INT_DEF(bar);
+VAR_INT_DECL(baz);
+#endif
+
+extern int in_dso (void);
+
+int
+in_dso (void)
+{
+  int result = 0;
+#ifdef USE_TLS
+  int *ap, *bp, *cp;
+
+  /* Get variables using initial exec model.  */
+  fputs ("get sum of foo and bar (IE)", stdout);
+  __asm__ ("" ::: "memory");
+  ap = TLS_IE (foo);
+  bp = TLS_IE (bar);
+  printf (" = %d\n", *ap + *bp);
+  result |= *ap + *bp != 3;
+  if (*ap != 1)
+    {
+      printf ("foo = %d\n", *ap);
+      result = 1;
+    }
+  if (*bp != 2)
+    {
+      printf ("bar = %d\n", *bp);
+      result = 1;
+    }
+
+
+  /* Get variables using generic dynamic model.  */
+  fputs ("get sum of foo and bar and baz (GD)", stdout);
+  ap = TLS_GD (foo);
+  bp = TLS_GD (bar);
+  cp = TLS_GD (baz);
+  printf (" = %d\n", *ap + *bp + *cp);
+  result |= *ap + *bp + *cp != 6;
+  if (*ap != 1)
+    {
+      printf ("foo = %d\n", *ap);
+      result = 1;
+    }
+  if (*bp != 2)
+    {
+      printf ("bar = %d\n", *bp);
+      result = 1;
+    }
+  if (*cp != 3)
+    {
+      printf ("baz = %d\n", *cp);
+      result = 1;
+    }
+#endif
+
+  return result;
+}