stackinfo.h 1.5 KB

123456789101112131415161718192021222324252627282930313233343536373839404142
  1. /* Details about the machine's stack: wrapper header.
  2. Copyright (C) 2014-2019 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. #ifndef _INCLUDE_STACKINFO_H
  16. #define _INCLUDE_STACKINFO_H 1
  17. /* A sysdeps/.../stackinfo.h file defines details for the CPU.
  18. It is obliged to define either _STACK_GROWS_DOWN or _STACK_GROWS_UP. */
  19. #include_next <stackinfo.h>
  20. #if defined _STACK_GROWS_DOWN && _STACK_GROWS_DOWN
  21. # ifdef _STACK_GROWS_UP
  22. # error "stackinfo.h should not define both!"
  23. # else
  24. # define _STACK_GROWS_UP 0
  25. # endif
  26. #elif defined _STACK_GROWS_UP && _STACK_GROWS_UP
  27. # ifdef _STACK_GROWS_DOWN
  28. # error "stackinfo.h should not define both!"
  29. # else
  30. # define _STACK_GROWS_DOWN 0
  31. # endif
  32. #else
  33. # error "stackinfo.h must define _STACK_GROWS_UP or _STACK_GROWS_DOWN!"
  34. #endif
  35. #endif /* include/stackinfo.h */