sysdeps/tile/tls-macros.h

   1 /* Copyright (C) 2011-2018 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
   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 #define TLS_GD_OFFSET(x)                        \
  20   "moveli r0, hw1_last_tls_gd(" #x ")\n\t"      \
  21   "shl16insli r0, r0, hw0_tls_gd(" #x ")\n\t"   \
  22   "addi r0, %1, tls_add(" #x ")\n\t"
  23
  24 #define TLS_GD(x)                                               \
  25   ({                                                            \
  26     int *__retval;                                              \
  27     extern char _GLOBAL_OFFSET_TABLE_[];                        \
  28                                                                 \
  29     asm (TLS_GD_OFFSET(x)                                       \
  30          "jal tls_gd_call(" #x ")\n\t"                          \
  31          "addi %0, r0, tls_gd_add(" #x ")" :                    \
  32          "=&r" (__retval) : "r" (_GLOBAL_OFFSET_TABLE_) :       \
  33          "r0", "r25", "r26", "r27", "r28", "r29");              \
  34     __retval; })
  35
  36 /* No special support for LD mode. */
  37 #define TLS_LD TLS_GD
  38
  39 #define TLS_IE_OFFSET(x)                        \
  40   "moveli %0, hw1_last_tls_ie(" #x ")\n\t"      \
  41   "shl16insli %0, %0, hw0_tls_ie(" #x ")\n\t"   \
  42   "addi %0, %1, tls_add(" #x ")\n\t"
  43 #define LD_TLS "ld_tls"
  44
  45 #define TLS_IE(x)                                               \
  46   ({                                                            \
  47     int *__retval;                                              \
  48     extern char _GLOBAL_OFFSET_TABLE_[];                        \
  49                                                                 \
  50     asm (TLS_IE_OFFSET(x)                                       \
  51          LD_TLS " %0, %0, tls_ie_load(" #x ")\n\t"              \
  52          "add %0, %0, tp" :                                     \
  53          "=&r" (__retval) : "r" (_GLOBAL_OFFSET_TABLE_));       \
  54     __retval; })
  55
  56 #define _TLS_LE(x)                              \
  57   "moveli %0, hw1_last_tls_le(" #x ")\n\t"      \
  58   "shl16insli %0, %0, hw0_tls_le(" #x ")\n\t"   \
  59   "add %0, %0, tp"
  60
  61 #define TLS_LE(x)                               \
  62   ({                                            \
  63     int *__retval;                              \
  64     asm (_TLS_LE(x) : "=r" (__retval));         \
  65     __retval; })