1 /* Copyright (C) 2001-2022 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 38