/// <summary>
/// Signal that a virtual memory event happened at the given location.
/// </summary>
/// <param name="address">Virtual address accessed</param>
/// <param name="size">Size of the region affected in bytes</param>
/// <param name="write">Whether the region was written to or read</param>
/// <returns>True if the event triggered any tracking regions, false otherwise</returns>
public bool VirtualMemoryEvent(ulong address, ulong size, bool write)
{
// Look up the virtual region using the region list.
// Signal up the chain to relevant handles.
lock (TrackingLock)
{
var results = _virtualResults;
int count = _virtualRegions.FindOverlapsNonOverlapping(address, size, ref results);
if (count == 0)
{
if (!_memoryManager.IsMapped(address))
{
throw new InvalidMemoryRegionException();
}
_memoryManager.TrackingReprotect(address & ~(ulong)(_pageSize - 1), (ulong)_pageSize, MemoryPermission.ReadAndWrite);
return(false); // We can't handle this - it's probably a real invalid access.
}
for (int i = 0; i < count; i++)
{
VirtualRegion region = results[i];
region.Signal(address, size, write);
}
}
return(true);
}