EmpParseInfDatabase

NTSTATUS __stdcall EmpParseInfDatabase(PVOID InfImage, UINT64 ImageSize){
  unsigned int v2; 
  VOID **v4; 
  PVOID *v5; 
  int v6; 
  char v7; 
  _ETHREAD *CurrentThread; 
  unsigned int SessionId; 
  unsigned __int8 v10; 
  int v11; 
  bool v12; 
  __int64 v13; 
  _KLOCK_ENTRY *v14; 
  int v15; 
  unsigned int v16; 
  __int64 v17; 
  int v19[14]; 
  UINT64 a3; 

  v2 = ImageSize;
  ExAcquirePushLockExclusiveEx(&EmpParseLock, 0i64);
  v19[0] = 0;
  v4 = CmpParseInfBuffer((UINT8 *)InfImage, v2, v19);
  v5 = v4;
  if( v4 )
  {
    v6 = EmpParseEntryTypes(v4);
    if( v6 >= 0 )
    {
      v6 = EmpParseCallbacks(v5);
      if( v6 >= 0 )
      {
        v6 = EmpParseRules(v5);
        if( v6 >= 0 )
        {
          v6 = EmpParseStrings(v5);
          if( v6 >= 0 )
            v6 = EmpParseTargetRules(v5);
        }
      }
    }
    CmpFreeSectionList(*v5);
    ExFreePoolWithTag(v5, 0);
  }
  else
  {
    v6 = -1073741816;
  }
  v7 = _InterlockedExchangeAdd64(&EmpParseLock._bf_0, 0xFFFFFFFFFFFFFFFFui64);
  if( (v7 & 2) != 0 && (v7 & 4) == 0 )
    ExfTryToWakePushLock(&EmpParseLock);
  LODWORD(a3) = 0;
  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  if( MiGetSystemRegionType((UINT64)&EmpParseLock) == 1 )
    SessionId = MmGetSessionIdEx(CurrentThread->Tcb.ApcState.Process);
  else
    SessionId = -1;
  --CurrentThread->Tcb.SpecialApcDisable;
  v10 = ++CurrentThread->Tcb.AbAllocationRegionCount;
  v11 = ((char)CurrentThread->Tcb.AbEntrySummary | (char)CurrentThread->Tcb.AbOrphanedEntrySummary) ^ 0x3F;
  while( 1 )
  {
    v12 = !_BitScanReverse((unsigned int *)&v13, v11);
    if( v12 )
      break;
    v14 = &CurrentThread->Tcb.LockEntries[v13];
    v11 &= ~(1 << v13);
    if( (v14->AcquiredByte & 1) != 0
      && (v14->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 & 1) == 0
      && (v14->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 & 0x7FFFFFFFFFFFFFFCi64) == ((unsigned __int64)&EmpParseLock & 0x7FFFFFFFFFFFFFFCi64)
      && v14->LockState.SessionId == SessionId )
    {
      v14->AcquiredByte &= ~1u;
      if( v14->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 )
      {
        if( v14 )
        {
          v14->CrossThreadReleasableAndBusyByte |= 2u;
          if( v14->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 < 0 )
            KiAbEntryRemoveFromTree(v14);
          v15 = v14->BoostBitmap.AllFields & 0x1FFFF;
          v16 = v14->BoostBitmap.AllFields & 0xFFFE0000;
          v14->ThreadLocalFlags &= ~1u;
          LODWORD(a3) = v15;
          v14->BoostBitmap.AllFields = v16;
          v14->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 = 0i64;
          v17 = v14 - CurrentThread->Tcb.LockEntries;
          if( v10 == 1 )
            CurrentThread->Tcb.AbEntrySummary |= 1 << v17;
          else
            _InterlockedOr8((volatile signed __int8 *)&CurrentThread->Tcb.AbOrphanedEntrySummary, 1 << v17);
          goto LABEL_23;
        }
        break;
      }
    }
  }
  if( (*(&CurrentThread->Tcb.MiscFlags + 1) & 0x10000) == 0 )
    KeBugCheckEx(0x162u, CurrentThread, &EmpParseLock, (PVOID)SessionId, 0i64);
LABEL_23:
  --CurrentThread->Tcb.AbAllocationRegionCount;
  KiAbThreadRemoveBoosts(&CurrentThread->Tcb, &EmpParseLock, &a3);
  v12 = CurrentThread->Tcb.SpecialApcDisable++ == -1;
  if( v12
    && ($F25F8C4BA33AF922A5F1AF68CD89DDDF *)CurrentThread->Tcb.ApcState.ApcListHead[0].Flink != &CurrentThread->Tcb.152 )
  {
    KiCheckForKernelApcDelivery();
  }
  return v6;
}

Referenced by: