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authorChung-Lin Tang <cltang@codesourcery.com>2015-01-17 22:29:12 -0800
committerChung-Lin Tang <cltang@codesourcery.com>2015-01-17 22:29:12 -0800
commit522e6ee3b45808ea845ec0ac11d5fffcd737baba (patch)
tree3d107705431599279416406a487cd8a905a372af /sysdeps/nios2/libc-tls.c
parent026eb207eda8cc93f6f7f0980f0a8e51587d8011 (diff)
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Commit nios2 port to master.
Diffstat (limited to 'sysdeps/nios2/libc-tls.c')
-rw-r--r--sysdeps/nios2/libc-tls.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/sysdeps/nios2/libc-tls.c b/sysdeps/nios2/libc-tls.c
new file mode 100644
index 0000000000..de2d0df13f
--- /dev/null
+++ b/sysdeps/nios2/libc-tls.c
@@ -0,0 +1,32 @@
+/* Thread-local storage handling in the ELF dynamic linker.  Nios II version.
+   Copyright (C) 2005-2015 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <csu/libc-tls.c>
+#include <dl-tls.h>
+
+/* On Nios II, 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 + GET_ADDR_OFFSET;
+}