sysdeps/x86_64/dl-tls.h

   1 /* Thread-local storage handling in the ELF dynamic linker.  x86-64 version.
   2    Copyright (C) 2002-2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <stdint.h>
  20
  21 /* Type used for the representation of TLS information in the GOT.  */
  22 typedef struct dl_tls_index
  23 {
  24   uint64_t ti_module;
  25   uint64_t ti_offset;
  26 } tls_index;
  27
  28
  29 extern void *__tls_get_addr (tls_index *ti);
  30
  31 /* Value used for dtv entries for which the allocation is delayed.  */
  32 #define TLS_DTV_UNALLOCATED     ((void *) -1l)