/* static */
void GCAlloc::VerifyFreeBlockIntegrity(const void* item, uint32_t size)
{
// go through every item on the free list and make sure it wasn't written to
// after being poisoned.
while(item)
{
#ifdef MMGC_64BIT
int n = (size >> 2) - 3;
#else
int n = (size >> 2) - 1;
#endif
int startIndex = (int)((uint32_t*)item - (uint32_t*)GetRealPointer(item));
for(int i=startIndex; i<n; i++)
{
uint32_t data = ((uint32_t*)item)[i];
if(data != 0xbabababa && data != 0xcacacaca)
{
ReportDeletedMemoryWrite(item);
break;
}
}
// next free item
item = *((const void**)item);
}
}
/* static */
void FixedAlloc::VerifyFreeBlockIntegrity(void* item, uint32_t size)
{
while(item)
{
#ifdef MMGC_64BIT
int n = (size >> 2) - 3;
#else
int n = (size >> 2) - 1;
#endif
int startIndex = (int)((uint32_t*)item - (uint32_t*)GetRealPointer(item));
for(int i=startIndex; i<n; i++)
{
uint32_t data = ((uint32_t*)item)[i];
if(data != uint32_t(GCHeap::FXFreedPoison))
{
ReportDeletedMemoryWrite(item);
break;
}
}
// next free item
item = FLNext(item);
}
}