libpthread/nptl/sysdeps/riscv64/dl-tls.h

   1 /* Copyright (C) 2005-2016 Free Software Foundation, Inc.
   2
   3    The GNU C Library is free software; you can redistribute it and/or
   4    modify it under the terms of the GNU Lesser General Public License as
   5    published by the Free Software Foundation; either version 2.1 of the
   6    License, or (at your option) any later version.
   7
   8    The GNU C Library is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11    Lesser General Public License for more details.
  12
  13    You should have received a copy of the GNU Lesser General Public
  14    License along with the GNU C Library; if not, see
  15    <http://www.gnu.org/licenses/>.  */
  16
  17 /* Type used for the representation of TLS information in the GOT.  */
  18 typedef struct
  19 {
  20   unsigned long int ti_module;
  21   unsigned long int ti_offset;
  22 } tls_index;
  23
  24 /* The thread pointer points to the first static TLS block.  */
  25 #define TLS_TP_OFFSET           0
  26
  27 /* Dynamic thread vector pointers point 0x800 past the start of each
  28    TLS block.  */
  29 #define TLS_DTV_OFFSET          0x800
  30
  31 extern void *__tls_get_addr (tls_index *ti);
  32
  33 #define GET_ADDR_OFFSET        (ti->ti_offset + TLS_DTV_OFFSET)
  34 #define __TLS_GET_ADDR(__ti)    (__tls_get_addr (__ti) - TLS_DTV_OFFSET)