ports/sysdeps/microblaze/tls-macros.h

   1 /* Copyright (C) 2009-2014 Free Software Foundation, Inc.
   2
   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 License as
   7    published by the Free Software Foundation; either version 2.1 of the
   8    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 #define TLS_LD(x)                                  \
  20   ({                                               \
  21     char *__result;                                \
  22     int __offset;                                  \
  23     extern void *__tls_get_addr (void *);          \
  24     asm ("mfs r20,rpc \n"                          \
  25          "addik r20,r20,_GLOBAL_OFFSET_TABLE_+8\n" \
  26          "addik %0,r20," #x "@TLSLDM"              \
  27          : "=r" (__result));                       \
  28     __result = (char *) __tls_get_addr (__result); \
  29     asm ("addik %0,r0,"#x"@TLSDTPREL"              \
  30          : "=r" (__offset));                       \
  31     (int *) (__result + __offset); })
  32
  33
  34 #define TLS_GD(x)                                  \
  35   ({                                               \
  36     int *__result;                                 \
  37     extern void *__tls_get_addr (void *);          \
  38     asm ("mfs  r20,rpc\n"                          \
  39          "addik r20,r20,_GLOBAL_OFFSET_TABLE_+8\n" \
  40          "addik %0,r20," #x "@TLSGD"               \
  41          : "=r" (__result));                       \
  42     (int *) __tls_get_addr (__result); })
  43
  44 #define TLS_LE(x) TLS_LD(x)
  45
  46 #define TLS_IE(x) TLS_GD(x)