wordsize.h 1.1 KB

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  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. 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. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library. If not, see
  14. <http://www.gnu.org/licenses/>. */
  15. #if __riscv_xlen == (__SIZEOF_POINTER__ * 8)
  16. # define __WORDSIZE __riscv_xlen
  17. #else
  18. # error unsupported ABI
  19. #endif
  20. #if __riscv_xlen == 64
  21. # define __WORDSIZE_TIME64_COMPAT32 1
  22. #else
  23. # error "rv32i-based targets are not supported"
  24. #endif