static void
evacuate_pin_staging_area (void)
{
int i;
g_assert (pin_staging_area_index >= 0 && pin_staging_area_index <= PIN_STAGING_AREA_SIZE);
if (pin_staging_area_index == 0)
return;
/*
* The pinning addresses might come from undefined memory, this is normal. Since they
* are used in lots of functions, we make the memory defined here instead of having
* to add a supression for those functions.
*/
VALGRIND_MAKE_MEM_DEFINED (pin_staging_area, pin_staging_area_index * sizeof (void*));
sort_addresses (pin_staging_area, pin_staging_area_index);
while (next_pin_slot + pin_staging_area_index > pin_queue_size)
realloc_pin_queue ();
pin_queue [next_pin_slot++] = pin_staging_area [0];
for (i = 1; i < pin_staging_area_index; ++i) {
void *p = pin_staging_area [i];
if (p != pin_queue [next_pin_slot - 1])
pin_queue [next_pin_slot++] = p;
}
g_assert (next_pin_slot <= pin_queue_size);
pin_staging_area_index = 0;
}
static void
pin_stage_ptr (void *ptr)
{
/*very simple multiplicative hash function, tons better than simple and'ng */
int hash_idx = ((mword)ptr * 1737350767) & (PIN_HASH_SIZE - 1);
if (pin_hash_filter [hash_idx] == ptr)
return;
pin_hash_filter [hash_idx] = ptr;
if (next_pin_slot >= pin_queue_size)
realloc_pin_queue ();
pin_queue [next_pin_slot++] = ptr;
}