1  /* Emulate AT_MINSIGSTKSZ.  Generic x86 version.
       2     Copyright (C) 2020-2023 Free Software Foundation, Inc.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  /* Emulate AT_MINSIGSTKSZ with XSAVE. */
      19  
      20  static inline void
      21  dl_check_minsigstacksize (const struct cpu_features *cpu_features)
      22  {
      23    /* NB: Default to a constant MINSIGSTKSZ.  */
      24    _Static_assert (__builtin_constant_p (MINSIGSTKSZ),
      25  		  "MINSIGSTKSZ is constant");
      26    GLRO(dl_minsigstacksize) = MINSIGSTKSZ;
      27  }