test/tls/: tests for thread local storage functionality

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

1 files changed, 38 insertions, 0 deletions

diff --git a/test/tls/tst-tlsmod4.c b/test/tls/tst-tlsmod4.c
new file mode 100644
index 000000000..4893cdae7
--- /dev/null
+++ b/test/tls/tst-tlsmod4.c
@@ -0,0 +1,38 @@
+#include <stdio.h>
+
+#include <tls.h>
+
+#ifdef USE_TLS
+# include "tls-macros.h"
+
+
+COMMON_INT_DEF(baz);
+
+
+int
+in_dso (int n, int *caller_bazp)
+{
+  int *bazp;
+  int result = 0;
+
+  puts ("foo");			/* Make sure PLT is used before macros.  */
+  __asm__ ("" ::: "memory");
+
+  bazp = TLS_GD (baz);
+
+  if (caller_bazp != NULL && bazp != caller_bazp)
+    {
+      printf ("callers address of baz differs: %p vs %p\n", caller_bazp, bazp);
+      result = 1;
+    }
+  else if (*bazp != n)
+    {
+      printf ("baz != %d\n", n);
+      result = 1;
+    }
+
+  *bazp = 16;
+
+  return result;
+}
+#endif