PopDirectedDripsDiagTraceNotifyDevices

VOID __stdcall PopDirectedDripsDiagTraceNotifyDevices(UINT8 a1, INT64 a2, NPTEXTMETRIC *r8){
  int v3; 
  _BYTE *v4; 
  PVOID *v5; 
  _BYTE *v6; 
  __int64 v7; 
  __int64 v8; 
  char *v9; 
  PVOID *v10; 
  unsigned __int64 v11; 
  unsigned int v12; 
  signed __int64 v13; 
  _ETHREAD *CurrentThread; 
  unsigned int SessionId; 
  unsigned __int8 v16; 
  int v17; 
  _KLOCK_ENTRY *v18; 
  bool v19; 
  __int64 v20; 
  int v21; 
  unsigned int v22; 
  __int64 v23; 
  REGHANDLE v24; 
  UINT64 a3; 
  _EVENT_DATA_DESCRIPTOR UserData; 
  __int64 v27; 
  __int64 v28; 
  int *v29; 
  __int64 v30; 
  NPTEXTMETRIC **v31; 
  __int64 v32; 
  int v33; 
  NPTEXTMETRIC *v34; 

  v34 = r8;
  v33 = a2;
  v3 = a1;
  HIDWORD(a3) = 0;
  if( (int)a2 >= 0 )
  {
    if( a1 )
    {
      IoDiagTraceDirectedDripsCandidateDevices();
      LODWORD(a2) = v33;
    }
    if( (int)a2 >= 0 )
    {
      ExAcquirePushLockExclusiveEx(&PopDirectedDripsDiagLock, 0i64);
      v4 = *(_BYTE **)&KUSER_SHARED_DATA.InterruptTime.LowPart;
      v5 = (PVOID *)PopDirectedDripsDiagSessionContext;
      if( PopDirectedDripsDiagSessionContext != &PopDirectedDripsDiagSessionContext )
      {
        do
        {
          if( (_BYTE)v3 )
          {
            v6 = v5[6];
            v7 = 7i64;
            v5[6] = 0i64;
            v8 = 10i64;
          }
          else
          {
            v6 = v5[15];
            v7 = 16i64;
            v5[15] = 0i64;
            v8 = 19i64;
          }
          v9 = (char *)&v5[v8];
          v10 = &v5[v7];
          if( *((_DWORD *)v5 + 9) == dword_140C1EB88 && v6 && ((_DWORD)v5[5] & 0x100) == 0 )
          {
            v11 = v4 - v6;
            v12 = 0;
            v13 = (char *)PopFxAccountingBucketLimits - v9;
            do
            {
              if( v11 >= *(_QWORD *)&v9[v13] && v11 < PopFxAccountingBucketLimits[v12 + 1] )
              {
                ++*(_DWORD *)v10;
                *(_QWORD *)v9 += v11;
              }
              ++v12;
              v10 = (PVOID *)((char *)v10 + 4);
              v9 += 8;
            }
            while( v12 < 5 );
            if( (_BYTE)v3 )
              v5[15] = v4;
          }
          v5 = (PVOID *)*v5;
        }
        while( v5 != &PopDirectedDripsDiagSessionContext );
      }
      if( (_InterlockedExchangeAdd64(&PopDirectedDripsDiagLock._bf_0, 0xFFFFFFFFFFFFFFFFui64) & 6) == 2 )
        ExfTryToWakePushLock(&PopDirectedDripsDiagLock);
      CurrentThread = (_ETHREAD *)KeGetCurrentThread();
      LODWORD(a3) = 0;
      if( MiGetSystemRegionType((UINT64)&PopDirectedDripsDiagLock) == 1 )
        SessionId = MmGetSessionIdEx(CurrentThread->Tcb.ApcState.Process);
      else
        SessionId = -1;
      --CurrentThread->Tcb.SpecialApcDisable;
      v16 = ++CurrentThread->Tcb.AbAllocationRegionCount;
      v17 = ((char)CurrentThread->Tcb.AbEntrySummary | (char)CurrentThread->Tcb.AbOrphanedEntrySummary) ^ 0x3F;
      while( 1 )
      {
        v19 = !_BitScanReverse((unsigned int *)&v20, v17);
        if( v19 )
          goto LABEL_32;
        v18 = &CurrentThread->Tcb.LockEntries[v20];
        v17 &= ~(1 << v20);
        if( (v18->AcquiredByte & 1) != 0
          && (v18->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 & 1) == 0
          && (v18->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 & 0x7FFFFFFFFFFFFFFCi64) == ((unsigned __int64)&PopDirectedDripsDiagLock & 0x7FFFFFFFFFFFFFFCi64)
          && v18->LockState.SessionId == SessionId )
        {
          v18->AcquiredByte &= ~1u;
          if( v18->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 )
            break;
        }
      }
      if( !v18 )
      {
LABEL_32:
        if( (*(&CurrentThread->Tcb.MiscFlags + 1) & 0x10000) == 0 )
          KeBugCheckEx(0x162u, CurrentThread, &PopDirectedDripsDiagLock, (PVOID)SessionId, 0i64);
        goto LABEL_39;
      }
      v18->CrossThreadReleasableAndBusyByte |= 2u;
      if( v18->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 < 0 )
        KiAbEntryRemoveFromTree(v18);
      v21 = v18->BoostBitmap.AllFields & 0x1FFFF;
      v22 = v18->BoostBitmap.AllFields & 0xFFFE0000;
      v18->ThreadLocalFlags &= ~1u;
      LODWORD(a3) = v21;
      v18->BoostBitmap.AllFields = v22;
      v18->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 = 0i64;
      v23 = v18 - CurrentThread->Tcb.LockEntries;
      if( v16 == 1 )
        CurrentThread->Tcb.AbEntrySummary |= 1 << v23;
      else
        _InterlockedOr8((volatile signed __int8 *)&CurrentThread->Tcb.AbOrphanedEntrySummary, 1 << v23);
LABEL_39:
      --CurrentThread->Tcb.AbAllocationRegionCount;
      KiAbThreadRemoveBoosts(&CurrentThread->Tcb, &PopDirectedDripsDiagLock, &a3);
      v19 = CurrentThread->Tcb.SpecialApcDisable++ == -1;
      if( v19
        && ($F25F8C4BA33AF922A5F1AF68CD89DDDF *)CurrentThread->Tcb.ApcState.ApcListHead[0].Flink != &CurrentThread->Tcb.152 )
      {
        KiCheckForKernelApcDelivery();
      }
    }
  }
  if( PopDiagHandleRegistered )
  {
    v24 = PopDiagHandle;
    if( EtwEventEnabled(PopDiagHandle, &POP_ETW_EVENT_DIRECTED_DRIPS_NOTIFY_DEVICES) )
    {
      HIDWORD(a3) = v3;
      UserData.Ptr = (unsigned __int64)&PopWnfCsEnterScenarioId;
      *(_QWORD *)&UserData.Size = 1i64;
      v27 = (__int64)&a3 + 4;
      v28 = 4i64;
      v29 = &v33;
      v30 = 4i64;
      v31 = &v34;
      v32 = 8i64;
      EtwWriteEx(v24, &POP_ETW_EVENT_DIRECTED_DRIPS_NOTIFY_DEVICES, 0i64, 0, 0, 0, 4u, &UserData);
    }
  }
}

Referenced by: