libc/sysdeps/linux/riscv64/bits/wordsize.h

   1 /* Determine the wordsize from the preprocessor defines.  RISC-V version.
   2    Copyright (C) 2002-2018 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    <http://www.gnu.org/licenses/>.  */
  18
  19 #if __riscv_xlen == (__SIZEOF_POINTER__ * 8)
  20 # define __WORDSIZE __riscv_xlen
  21 #else
  22 # error unsupported ABI
  23 #endif
  24
  25 #if __riscv_xlen == 64
  26 # define __WORDSIZE_TIME64_COMPAT32 1
  27 #else
  28 # define __WORDSIZE_TIME64_COMPAT32 1
  29 // # warning "rv32i-based targets are experimental"
  30 #endif