choose-mode.h 872 B

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  1. /*
  2. * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
  3. * Licensed under the GPL
  4. */
  5. #ifndef __CHOOSE_MODE_H__
  6. #define __CHOOSE_MODE_H__
  7. #include "uml-config.h"
  8. #if defined(UML_CONFIG_MODE_TT) && defined(UML_CONFIG_MODE_SKAS)
  9. #define CHOOSE_MODE(tt, skas) (mode_tt ? (tt) : (skas))
  10. extern int mode_tt;
  11. static inline void *__choose_mode(void *tt, void *skas) {
  12. return mode_tt ? tt : skas;
  13. }
  14. #define __CHOOSE_MODE(tt, skas) (*( (typeof(tt) *) __choose_mode(&(tt), &(skas))))
  15. #elif defined(UML_CONFIG_MODE_SKAS)
  16. #define CHOOSE_MODE(tt, skas) (skas)
  17. #elif defined(UML_CONFIG_MODE_TT)
  18. #define CHOOSE_MODE(tt, skas) (tt)
  19. #else
  20. #error CONFIG_MODE_SKAS and CONFIG_MODE_TT are both disabled
  21. #endif
  22. #define CHOOSE_MODE_PROC(tt, skas, args...) \
  23. CHOOSE_MODE(tt(args), skas(args))
  24. #ifndef __CHOOSE_MODE
  25. #define __CHOOSE_MODE(tt, skas) CHOOSE_MODE(tt, skas)
  26. #endif
  27. #endif