memcheck/tests/solaris/lsframe1.c

   1 /* Demonstrate Memcheck correctly handling a 64M array on the stack.
   2    Requires --max-stackframe=67108884 or above.  And since it
   3    generates a very large stack, --main-stacksize=67200000
   4    (approximately) is also required. */
   5
   6 #include <stdio.h>
   7
   8 #define N_MBYTES 64
   9 #define N_INTS ((N_MBYTES * 1048576) / sizeof(int))
  10
  11 int main(void)
  12 {
  13    int i, sum;
  14    int arr[N_INTS];
  15    printf("lsframe1: start\n");
  16    for (i = 0; i < N_INTS; i++)
  17       arr[i] = i;
  18    sum = 0;
  19    for (i = 0; i < N_INTS; i++)
  20       sum += arr[i];
  21    printf("lsframe1: done, result is %d\n", sum);
  22    return 0;
  23 }