1  /* IFUNC resolver function for CPU specific functions.
       2     32/64 bit S/390 version.
       3     Copyright (C) 2015-2023 Free Software Foundation, Inc.
       4     This file is part of the GNU C Library.
       5  
       6     The GNU C Library is free software; you can redistribute it and/or
       7     modify it under the terms of the GNU Lesser General Public
       8     License as published by the Free Software Foundation; either
       9     version 2.1 of the License, or (at your option) any later version.
      10  
      11     The GNU C Library is distributed in the hope that it will be useful,
      12     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14     Lesser General Public License for more details.
      15  
      16     You should have received a copy of the GNU Lesser General Public
      17     License along with the GNU C Library; if not, see
      18     <https://www.gnu.org/licenses/>.  */
      19  
      20  #include <unistd.h>
      21  #include <dl-procinfo.h>
      22  #include <cpu-features.h>
      23  
      24  #define s390_libc_ifunc_expr_stfle_init()				\
      25    const unsigned long long *stfle_bits = features->stfle_bits;
      26  
      27  #define s390_libc_ifunc_expr_init()					\
      28    const struct cpu_features *features = &GLRO(dl_s390_cpu_features);	\
      29    /* The hwcap from kernel is passed as argument, but we		\
      30       explicitly use the hwcaps from cpu-features struct.   */		\
      31    hwcap = features->hwcap;
      32  
      33  #define s390_libc_ifunc_expr(TYPE_FUNC, FUNC, EXPR)		\
      34    __ifunc (TYPE_FUNC, FUNC, EXPR, unsigned long int hwcap,	\
      35  	   s390_libc_ifunc_expr_init);