1  /* x86 version of processor capability information handling macros.
       2     Copyright (C) 2017-2023 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_PROCINFO_H
      20  #define _DL_PROCINFO_H	1
      21  #include <ldsodefs.h>
      22  #include <dl-hwcap.h>
      23  
      24  #define _DL_HWCAP_COUNT		HWCAP_COUNT
      25  #define _DL_PLATFORMS_COUNT	HWCAP_PLATFORMS_COUNT
      26  
      27  /* Start at 48 to reserve spaces for hardware capabilities.  */
      28  #define _DL_FIRST_PLATFORM	48
      29  /* Mask to filter out platforms.  */
      30  #define _DL_HWCAP_PLATFORM	(((1ULL << _DL_PLATFORMS_COUNT) - 1) \
      31  				 << _DL_FIRST_PLATFORM)
      32  
      33  static inline int
      34  __attribute__ ((unused, always_inline))
      35  _dl_string_platform (const char *str)
      36  {
      37    int i;
      38  
      39    if (str != NULL)
      40      for (i = HWCAP_PLATFORMS_START; i < HWCAP_PLATFORMS_COUNT; ++i)
      41        {
      42  	if (strcmp (str, GLRO(dl_x86_platforms)[i]) == 0)
      43  	  return _DL_FIRST_PLATFORM + i;
      44        }
      45    return -1;
      46  };
      47  
      48  #endif /* dl-procinfo.h */