sysdeps/x86/tst-cet-legacy-10.c

   1 /* Check CPU_FEATURE_ACTIVE on IBT and SHSTK.
   2    Copyright (C) 2021-2024 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 #include <x86intrin.h>
  20 #include <sys/platform/x86.h>
  21 #include <support/test-driver.h>
  22 #include <support/xunistd.h>
  23
  24 /* Check that CPU_FEATURE_ACTIVE on SHSTK matches _get_ssp.  */
  25
  26 static int
  27 do_test (void)
  28 {
  29   if (_get_ssp () != 0)
  30     {
  31       if (CPU_FEATURE_ACTIVE (SHSTK))
  32         return EXIT_SUCCESS;
  33     }
  34   else
  35     {
  36       if (!CPU_FEATURE_ACTIVE (SHSTK))
  37         return EXIT_SUCCESS;
  38     }
  39
  40   return EXIT_FAILURE;
  41 }
  42
  43 #include <support/test-driver.c>