// Create a log entry for the allocation that just occurred on this thread.
protected override void Allocation(UIntPtr objAddr, Type type, UIntPtr size)
{
bool iflag;
// We cannot recurse inside an Allocation notification, or we will simply
// blow the stack on the first entry. Also, we don't want to log allocations
// that occur as a consequence of logging the state of the GC heap -- though
// we could support that if we chose to.
if (enabled &&
recurseThread != Thread.CurrentThread && // recurse?
Buffer.OwningThread != Thread.CurrentThread) // GC logging?
{
iflag = Processor.DisableLocalPreemption();
allocationLock.Acquire();
try {
DebugStub.Assert(recurseThread == null);
recurseThread = Thread.CurrentThread;
Buffer.LogTick();
uint stackSize = Isa.GetStackReturnAddresses(stackEips);
uint stkNo = 0;
if (stackSize > 0)
{
stkNo = GetStackId(type, size, stackEips, stackSize);
}
ProfilerBuffer.LogAllocation(Thread.CurrentThread.GetThreadId(), objAddr, stkNo);
}
finally {
recurseThread = null;
allocationLock.Release();
Processor.RestoreLocalPreemption(iflag);
}
}
}
