1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/generic/dl-dtv.h b/sysdeps/generic/dl-dtv.h
new file mode 100644
index 0000000000..b2346b2b65
--- /dev/null
+++ b/sysdeps/generic/dl-dtv.h
@@ -0,0 +1,38 @@
+/* Generic declarations for DTV-based TLS handling in the dynamic linker.
+   Copyright (C) 2002-2018 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/>.  */
+
+#ifndef _DL_DTV_H
+#define _DL_DTV_H
+
+struct dtv_pointer
+{
+  void *val;                    /* Pointer to data, or TLS_DTV_UNALLOCATED.  */
+  void *to_free;                /* Unaligned pointer, for deallocation.  */
+};
+
+/* Type for the dtv.  */
+typedef union dtv
+{
+  size_t counter;
+  struct dtv_pointer pointer;
+} dtv_t;
+
+/* Value used for dtv entries for which the allocation is delayed.  */
+#define TLS_DTV_UNALLOCATED ((void *) -1l)
+
+#endif /* _DLT_DTV_H */