1  /* Copyright (C) 2001-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  /* This file specifies the native word size of the machine, which indicates
      19     the ELF file class used for executables and shared objects on this
      20     machine.  */
      21  
      22  #ifndef _LINK_H
      23  # error "Never use <bits/elfclass.h> directly; include <link.h> instead."
      24  #endif
      25  
      26  #include <bits/wordsize.h>
      27  
      28  #define __ELF_NATIVE_CLASS __WORDSIZE
      29  
      30  #if __WORDSIZE == 64
      31  /* 64 bit Linux for S/390 is exceptional as it has .hash section with
      32     64 bit entries.  */
      33  typedef uint64_t Elf_Symndx;
      34  #else
      35  /* 32 bit Linux for S/390 has normal .hash section entries with 32 bits.  */
      36  typedef uint32_t Elf_Symndx;
      37  #endif