metag: Add NPTL support

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/libpthread/nptl/sysdeps/metag/libc-tls.c b/libpthread/nptl/sysdeps/metag/libc-tls.c
new file mode 100644
index 000000000..abc7c58db
--- /dev/null
+++ b/libpthread/nptl/sysdeps/metag/libc-tls.c
@@ -0,0 +1,33 @@
+/*
+ * Thread-local storage handling in statically linked binaries.  Meta version.
+ * Copyright (C) 2009 Free Software Foundation, Inc.
+ *
+ * Based on GNU C Library (file: libc/sysdeps/sh/libc-tls.c)
+ *
+ * Copyright (C) 2010 STMicroelectronics Ltd.
+ * Copyright (C) 2013 Imagination Technologies Ltd.
+ *
+ * Author: Filippo Arcidiacono <filippo.arcidiacono@st.com>
+ *
+ * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball.
+ *
+ */
+
+#include <sysdeps/generic/libc-tls.c>
+#include <dl-tls.h>
+
+#if defined (USE_TLS) && (USE_TLS)
+
+/* On Meta, linker optimizations are not required, so __tls_get_addr
+   can be called even in statically linked binaries.  In this case module
+   must be always 1 and PT_TLS segment exist in the binary, otherwise it
+   would not link.  */
+
+void *
+__tls_get_addr (tls_index *ti)
+{
+  dtv_t *dtv = THREAD_DTV ();
+  return (char *) dtv[1].pointer.val + ti->ti_offset;
+}
+
+#endif