ObpDeregisterObject

void __fastcall ObpDeregisterObject(_OBJECT_HEADER *ObjectHeader){
  _ETHREAD *CurrentThread; 
  _QWORD *v3; 
  __int64 v4; 
  _QWORD *v5; 
  __int64 v6; 
  if( (xmmword_140CFB490 & 0x80u) != 0i64 )
    EtwTraceObject(0x1131u, (INT64)ObjectHeader);
  if( (ObjectHeader->TraceFlags & 3) == 1 )
  {
    CurrentThread = (_ETHREAD *)KeGetCurrentThread();
    v3 = 0i64;
    --*((_WORD *)CurrentThread + 243);
    ExAcquirePushLockExclusiveEx((UINT64)&ObpStackTraceLock, 0i64);
    if( (ObpTraceFlags & 0x73) == 0 )
      goto LABEL_15;
    v4 = (((unsigned int)((_DWORD)ObjectHeader + 48) >> 4) & 0xFFFFF) % 0x191;
    v5 = (_QWORD *)*((_QWORD *)ObpObjectTable + v4);
    if( !v5 )
      goto LABEL_15;
    do
    {
      if( (_OBJECT_HEADER *)*v5 == ObjectHeader )
        break;
      v3 = v5;
      v5 = (_QWORD *)v5[1];
    }
    while( v5 );
    if( v5 )
    {
      v6 = v5[1];
      if( v3 )
        v3[1] = v6;
      else
        *((_QWORD *)ObpObjectTable + v4) = v6;
      if( (_InterlockedExchangeAdd64((volatile signed __int64 *)&ObpStackTraceLock, 0xFFFFFFFFFFFFFFFFui64) & 6) == 2 )
        ExfTryToWakePushLock((volatile INT64 *)&ObpStackTraceLock);
      KeAbPostRelease(&ObpStackTraceLock);
      KiLeaveGuardedRegionUnsafe((__int64)KeGetCurrentThread());
      ExFreePoolWithTag(v5, 0x7452624Fu);
    }
    else
    {
LABEL_15:
      if( (_InterlockedExchangeAdd64((volatile signed __int64 *)&ObpStackTraceLock, 0xFFFFFFFFFFFFFFFFui64) & 6) == 2 )
        ExfTryToWakePushLock((volatile INT64 *)&ObpStackTraceLock);
      KeAbPostRelease(&ObpStackTraceLock);
      KiLeaveGuardedRegionUnsafe((__int64)KeGetCurrentThread());
    }
  }
}

Referenced by: