sysdeps/sparc/dl-procinfo.h

   1 /* Linux/sparc version of processor capability information handling macros.
   2    Copyright (C) 1999-2022 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_PROCINFO_H
  20 #define _DL_PROCINFO_H  1
  21
  22 #include <ldsodefs.h>
  23 #include <sysdep.h>
  24
  25 #define _DL_HWCAP_COUNT 28
  26
  27 static inline int
  28 __attribute__ ((unused))
  29 _dl_procinfo (unsigned int type, unsigned long int word)
  30 {
  31   int i;
  32
  33   /* Fallback to generic output mechanism.  */
  34   if (type != AT_HWCAP)
  35     return -1;
  36
  37   _dl_printf ("AT_HWCAP:   ");
  38
  39   for (i = 0; i < _DL_HWCAP_COUNT; ++i)
  40     if (word & (1 << i))
  41       _dl_printf (" %s", GLRO(dl_sparc_cap_flags)[i]);
  42
  43   _dl_printf ("\n");
  44
  45   return 0;
  46 }
  47
  48 static inline const char *
  49 __attribute__ ((unused))
  50 _dl_hwcap_string (int idx)
  51 {
  52   return GLRO(dl_sparc_cap_flags)[idx];
  53 };
  54
  55 static inline int
  56 __attribute__ ((unused, always_inline))
  57 _dl_string_hwcap (const char *str)
  58 {
  59   int i;
  60   for (i = 0; i < _DL_HWCAP_COUNT; i++)
  61     {
  62       if (strcmp (str, GLRO(dl_sparc_cap_flags) [i]) == 0)
  63         return i;
  64     }
  65   return -1;
  66 };
  67
  68 #include <bits/wordsize.h>
  69 #define HWCAP_IMPORTANT_V9      (__WORDSIZE == 64 ? 0 : HWCAP_SPARC_V9)
  70 #define HWCAP_IMPORTANT         (HWCAP_IMPORTANT_V9 | HWCAP_SPARC_ULTRA3 \
  71                                  | HWCAP_SPARC_BLKINIT | HWCAP_SPARC_N2)
  72
  73 /* There're no platforms to filter out.  */
  74 #define _DL_HWCAP_PLATFORM 0
  75
  76 #define _dl_string_platform(str) (-1)
  77
  78 #endif /* dl-procinfo.h */