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 } 24
