File: struct_walk.bt

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struct C {
  uint32_t a;
  uint64_t b;
};

uprobe:./testprogs/struct_walk:clear {
  $c = (struct C *) arg0;
  $size = (uint32) arg1;

  if ($size != 10) {
    print("Size should be 10");
    exit();
  }

/* Verifier doesn't know size is always 10
 * we have to clamp it */
  $i = 10;
  while ($i-- > 0) {
    @a += $c->a;
    @b += ($c++)->b;
  }

  printf("a: %d b: %d\n", @a, @b);
  clear(@a);
  clear(@b);
}