/* 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 */