sysdeps/unix/sysv/linux/i386/dl-procinfo.h

   1 /* Linux/i386 version of processor capability information handling macros.
   2    Copyright (C) 1998-2023 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_I386_PROCINFO_H
  20 #define _DL_I386_PROCINFO_H     1
  21 #include <sysdeps/x86/dl-procinfo.h>
  22
  23 #undef _dl_procinfo
  24 static inline int
  25 __attribute__ ((unused))
  26 _dl_procinfo (unsigned int type, unsigned long int word)
  27 {
  28   /* This table should match the information from arch/i386/kernel/setup.c
  29      in the kernel sources.  */
  30   int i;
  31
  32   /* Fallback to generic output mechanism.  */
  33   if (type != AT_HWCAP)
  34     return -1;
  35
  36   _dl_printf ("AT_HWCAP:   ");
  37
  38   for (i = 0; i < 32; ++i)
  39     if (word & (1 << i))
  40       _dl_printf (" %s", GLRO(dl_x86_cap_flags)[i]);
  41
  42   _dl_printf ("\n");
  43
  44   return 0;
  45 }
  46 #endif