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-rw-r--r--test/tls/tst-tls14.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/test/tls/tst-tls14.c b/test/tls/tst-tls14.c
new file mode 100644
index 0000000..428fd52
--- /dev/null
+++ b/test/tls/tst-tls14.c
@@ -0,0 +1,66 @@
+/* Check alignment of TLS variable. */
+#include <dlfcn.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <tls.h>
+
+#if USE_TLS && HAVE___THREAD
+
+#define AL 4096
+struct foo
+{
+ int i;
+} __attribute ((aligned (AL)));
+
+static __thread struct foo f;
+static struct foo g;
+
+
+extern int in_dso1 (void);
+
+
+static int
+do_test (void)
+{
+ int result = 0;
+
+ int fail = (((uintptr_t) &f) & (AL - 1)) != 0;
+ printf ("&f = %p %s\n", &f, fail ? "FAIL" : "OK");
+ result |= fail;
+
+ fail = (((uintptr_t) &g) & (AL - 1)) != 0;
+ printf ("&g = %p %s\n", &g, fail ? "FAIL" : "OK");
+ result |= fail;
+
+ result |= in_dso1 ();
+
+ void *h = dlopen ("tst-tlsmod14b.so", RTLD_LAZY);
+ if (h == NULL)
+ {
+ printf ("cannot open tst-tlsmod14b.so: %m\n");
+ exit (1);
+ }
+
+ int (*fp) (void) = (int (*) (void)) dlsym (h, "in_dso2");
+ if (fp == NULL)
+ {
+ puts ("cannot find in_dso2");
+ exit (1);
+ }
+
+ result |= fp ();
+
+ return result;
+}
+
+#define TEST_FUNCTION do_test ()
+
+#else
+
+#define TEST_FUNCTION 0
+
+#endif
+
+#include "../test-skeleton.c"