gcc/testsuite/gcc.dg/torture/stackalign/check.h

   1 #include <stddef.h>
   2 #ifdef DEBUG
   3 #include <stdio.h>
   4 #endif
   5
   6 #ifdef  __cplusplus
   7 extern "C" void abort (void);
   8 #else
   9 extern void abort (void);
  10 #endif
  11
  12 int
  13 check_int (int *i, int align)
  14 {
  15   *i = 20;
  16   if ((((ptrdiff_t) i) & (align - 1)) != 0)
  17     {
  18 #ifdef DEBUG
  19       printf ("\nUnalign address (%d): %p!\n", align, i);
  20 #endif
  21       abort ();
  22     }
  23   return *i;
  24 }
  25
  26 void
  27 check (void *p, int align)
  28 {
  29   if ((((ptrdiff_t) p) & (align - 1)) != 0)
  30     {
  31 #ifdef DEBUG
  32       printf ("\nUnalign address (%d): %p!\n", align, p);
  33 #endif
  34       abort ();
  35     }
  36 }