kernel/bounds.c

   1 /*
   2  * Generate definitions needed by the preprocessor.
   3  * This code generates raw asm output which is post-processed
   4  * to extract and format the required data.
   5  */
   6
   7 #define __GENERATING_BOUNDS_H
   8 /* Include headers that define the enum constants of interest */
   9 #include <linux/page-flags.h>
  10 #include <linux/mmzone.h>
  11
  12 #define DEFINE(sym, val) \
  13         asm volatile("\n->" #sym " %0 " #val : : "i" (val))
  14
  15 #define BLANK() asm volatile("\n->" : : )
  16
  17 void foo(void)
  18 {
  19         /* The enum constants to put into include/linux/bounds.h */
  20         DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS);
  21         DEFINE(MAX_NR_ZONES, __MAX_NR_ZONES);
  22         /* End of constants */
  23 }