IopLiveDumpCallRemovePagesCallbacks

CHAR __fastcall IopLiveDumpCallRemovePagesCallbacks(INT64 a1){
  _DWORD *v1; 
  unsigned int v2; 
  CHAR *v3; 
  UINT8 IsTracingEnabled; 
  KBUGCHECK_REASON_CALLBACK_RECORD *Flink; 
  KBUGCHECK_REASON_CALLBACK_RECORD **v6; 
  PUCHAR Component; 
  char v8; 
  bool v9; 
  int v10; 
  unsigned int v11; 
  int v12; 
  char *v13; 
  int v14; 
  INT64 Failure_4; 
  __int128 v18; 
  __int128 v19; 
  LIST_ENTRY *PreviousValidEntry[2]; 
  KBUGCHECK_REASON_CALLBACK_RECORD *v21; 
  INT64 v22; 
  __int128 v23; 
  __int128 v24; 
  __int128 v25; 
  __int128 v26; 
  EVENT_DATA_DESCRIPTOR UserData; 
  v1 = (_DWORD *)a1;
  v22 = a1;
  v18 = 0i64;
  v19 = 0i64;
  v23 = 0i64;
  v24 = 0i64;
  v25 = 0i64;
  v26 = 0i64;
  v2 = 1;
  Failure_4 = 1i64;
  v3 = (CHAR *)CallbackIdentifier;
  IsTracingEnabled = IopLiveDumpIsTracingEnabled();
  if( IsTracingEnabled )
    EtwWrite(
      IopLiveDumpEtwRegHandle,
      (EVENT_DESCRIPTOR *)&LIVEDUMP_EVENT_SIZING_WORKFLOW_REMOVEPAGES_CALLBACKS_START,
      0i64,
      0i64,
      0i64);
  Flink = KeBugCheckAddRemovePagesCallbackListHead;
  v6 = &KeBugCheckAddRemovePagesCallbackListHead;
  PreviousValidEntry[0] = (LIST_ENTRY *)&KeBugCheckAddRemovePagesCallbackListHead;
  while( 1 )
  {
    PreviousValidEntry[1] = &Flink->Entry;
    if( Flink == (KBUGCHECK_REASON_CALLBACK_RECORD *)&KeBugCheckAddRemovePagesCallbackListHead )
      break;
    v21 = Flink;
    LOBYTE(v6) = KeValidateBugCheckCallbackRecord(Flink, KbCallbackRemovePages, PreviousValidEntry);
    if( (_BYTE)v6 )
    {
      if( IsTracingEnabled )
      {
        Component = Flink->Component;
        if( Component
          && (MmIsAddressValid(Component), v8)
          && RtlStringCbLengthA((PSTR)Flink->Component, (UINT64 *)0x101) >= 0 )
        {
          v3 = (CHAR *)Flink->Component;
          v2 = ++Failure_4;
        }
        else
        {
          Failure_4 = 1i64;
          v2 = 1;
          v3 = (CHAR *)CallbackIdentifier;
        }
        UserData.Ptr = (unsigned __int64)v3;
        UserData.Size = v2;
        UserData.Reserved = 0;
        EtwWrite(
          IopLiveDumpEtwRegHandle,
          (EVENT_DESCRIPTOR *)&LIVEDUMP_EVENT_SIZING_WORKFLOW_REMOVEPAGES_CALLBACK_START,
          0i64,
          1ui64,
          &UserData);
      }
      *(_QWORD *)&v18 = 0i64;
      HIDWORD(v18) = *v1;
      do
      {
        v19 = 0ui64;
        DWORD2(v18) = 0;
        v9 = 0;
        ((void(__fastcall *)(__int64, KBUGCHECK_REASON_CALLBACK_RECORD *, __int128 *))v21->CallbackRoutine)(
          6i64,
          v21,
          &v18);
        if( *((_QWORD *)&v19 + 1) )
        {
          v10 = DWORD2(v18);
          if( (DWORD2(v18) & 0x80000003) != 0 )
          {
            v11 = DWORD2(v18) & 0x80000000;
            if( (SDWORD2(v18) & 0x80000000) != 0 )
            {
              v10 = DWORD2(v18) & 0x7FFFFFFF;
              DWORD2(v18) &= ~0x80000000;
            }
            v9 = v11 != 0;
            if( ((v10 - 1) & v10) != 0 )
            {
              v14 = -1073741811;
            }
            else
            {
              v12 = v10 & 1;
              v13 = (char *)v19;
              if( !v12 )
                v13 = (char *)((unsigned __int64)v19 >> 12);
              v23 = *(_OWORD *)(a1 + 576);
              *(_QWORD *)&v25 = &v23;
              v14 = IoFreeDumpRange((__int64)&v24, v13, *((unsigned __int64 *)&v19 + 1), 2 * (v12 ^ 1u));
            }
            if( v14 < 0 )
            {
              v9 = 0;
              IopLiveDumpTraceRemovePagesCallbackFailure(v3, v2, (unsigned int)v14);
            }
          }
        }
      }
      while( v9 );
      if( IsTracingEnabled )
      {
        UserData.Ptr = (unsigned __int64)v3;
        UserData.Size = v2;
        UserData.Reserved = 0;
        EtwWrite(
          IopLiveDumpEtwRegHandle,
          (EVENT_DESCRIPTOR *)&LIVEDUMP_EVENT_SIZING_WORKFLOW_REMOVEPAGES_CALLBACK_END,
          0i64,
          1ui64,
          &UserData);
      }
      v1 = (_DWORD *)a1;
    }
    else if( !PreviousValidEntry[0] )
    {
      break;
    }
    Flink = (KBUGCHECK_REASON_CALLBACK_RECORD *)Flink->Entry.Flink;
    v6 = &KeBugCheckAddRemovePagesCallbackListHead;
  }
  if( IsTracingEnabled )
    LOBYTE(v6) = EtwWrite(
                   IopLiveDumpEtwRegHandle,
                   (EVENT_DESCRIPTOR *)&LIVEDUMP_EVENT_SIZING_WORKFLOW_REMOVEPAGES_CALLBACKS_END,
                   0i64,
                   0i64,
                   0i64);
  return(char)v6;
}

Referenced by: