sysdeps/csky/abiv2/tls-macros.h

   1 /* Macros for accessing thread-local storage.  C-SKY ABIV2 version.
   2    Copyright (C) 2018-2021 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    <https://www.gnu.org/licenses/>.  */
  18
  19 # define TLS_LE(x)                                      \
  20   ({ int *__result;                                     \
  21      __asm__ ("lrw %0, " #x "@TPOFF\n\t"                \
  22               "add %0, tls, %0"                         \
  23               : "=&r" (__result));                      \
  24      __result; })
  25
  26 # define TLS_IE(x)                                      \
  27   ({ int *__result;                                     \
  28      __asm__ ("grs a1, 1f\n"                            \
  29               "1:\tlrw %0, " #x "@GOTTPOFF\n\t"         \
  30               "ldr.w %0, (a1, %0 << 0)\n\t"             \
  31               "add %0, tls, %0"                         \
  32               : "=&r" (__result): : "a1");              \
  33      __result; })
  34
  35 # define TLS_LD(x)                                      \
  36   ({ char *__result;                                    \
  37      int __offset;                                      \
  38      extern void *__tls_get_addr (void *);              \
  39      __asm__ ("grs a1, 1f\n"                            \
  40               "1:\tlrw %0, " #x "@TLSLDM32;\n\t"        \
  41               "add %0, a1, %0"                          \
  42               : "=r" (__result) : : "a1");              \
  43      __result = (char *)__tls_get_addr (__result);      \
  44      __asm__ ("lrw %0, " #x "@TLSLDO32"                 \
  45               : "=r" (__offset));                       \
  46      (int *) (__result + __offset); })
  47
  48 # define TLS_GD(x)                                      \
  49   ({ int *__result;                                     \
  50      extern void *__tls_get_addr (void *);              \
  51      __asm__ ("grs a1, 1f\n"                            \
  52               "1:\tlrw %0, " #x "@TLSGD32\n\t"          \
  53               "add %0, a1, %0"                          \
  54               : "=r" (__result) : : "a1");              \
  55      (int *)__tls_get_addr (__result); })