sysdeps/unix/sysv/linux/s390/dl-procinfo.h

   1 /* Linux/s390 version of processor capability information handling macros.
   2    Copyright (C) 2006-2023 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 #ifndef _DL_S390_PROCINFO_H
  20 #define _DL_S390_PROCINFO_H     1
  21 #include <sysdeps/s390/dl-procinfo.h>
  22 #include <ldsodefs.h>
  23
  24
  25 #undef _dl_procinfo
  26 static inline int
  27 __attribute__ ((unused))
  28 _dl_procinfo (unsigned int type, unsigned long int word)
  29 {
  30   /* This table should match the information from arch/s390/kernel/setup.c
  31      in the kernel sources.  */
  32   int i;
  33
  34   /* Fallback to generic output mechanism.  */
  35   if (type != AT_HWCAP)
  36     return -1;
  37
  38   _dl_printf ("AT_HWCAP:   ");
  39
  40   for (i = 0; i < _DL_HWCAP_COUNT; ++i)
  41     if (word & (1UL << i))
  42       _dl_printf (" %s", _dl_s390_cap_flags[i]);
  43
  44   _dl_printf ("\n");
  45
  46   return 0;
  47 }
  48 #endif