arch/um/include/choose-mode.h

   1 /*
   2  * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #ifndef __CHOOSE_MODE_H__
   7 #define __CHOOSE_MODE_H__
   8
   9 #include "uml-config.h"
  10
  11 #if defined(UML_CONFIG_MODE_TT) && defined(UML_CONFIG_MODE_SKAS)
  12 #define CHOOSE_MODE(tt, skas) (mode_tt ? (tt) : (skas))
  13
  14 #elif defined(UML_CONFIG_MODE_SKAS)
  15 #define CHOOSE_MODE(tt, skas) (skas)
  16
  17 #elif defined(UML_CONFIG_MODE_TT)
  18 #define CHOOSE_MODE(tt, skas) (tt)
  19 #endif
  20
  21 #define CHOOSE_MODE_PROC(tt, skas, args...) \
  22         CHOOSE_MODE(tt(args), skas(args))
  23
  24 extern int mode_tt;
  25 static inline void *__choose_mode(void *tt, void *skas) {
  26         return mode_tt ? tt : skas;
  27 }
  28
  29 #define __CHOOSE_MODE(tt, skas) (*( (typeof(tt) *) __choose_mode(&(tt), &(skas))))
  30
  31 #endif
  32
  33 /*
  34  * Overrides for Emacs so that we follow Linus's tabbing style.
  35  * Emacs will notice this stuff at the end of the file and automatically
  36  * adjust the settings for this buffer only.  This must remain at the end
  37  * of the file.
  38  * ---------------------------------------------------------------------------
  39  * Local variables:
  40  * c-file-style: "linux"
  41  * End:
  42  */