HvSnapshotHiveToOffsetArray

INT64 __fastcall HvSnapshotHiveToOffsetArray(INT64 a1, INT64 *a2, CHAR **a3, UINT64 *a4){
  unsigned int v4; 
  unsigned int v6; 
  INT64 CellMap; 
  int v11; 
  int v12; 
  unsigned int v13; 
  unsigned int v14; 
  __int64 v15; 
  CHAR *PoolWithTag; 
  unsigned int v17; 
  unsigned int v18; 
  UINT8 *v19; 
  CHAR *v20; 
  unsigned int v21; 
  _DWORD *v22; 
  int v23; 
  UINT8 *v24; 
  __int64 v25; 
  unsigned int v26; 
  unsigned int v27; 
  unsigned int v28; 
  int i; 
  unsigned int v30; 
  VOID *v31; 
  __int64 v32; 
  __int64 v33; 
  unsigned int v34; 
  unsigned int v35; 
  INT64 v36; 
  int v37; 
  unsigned int v38; 
  __int64 v39; 
  CHAR *v40; 
  UINT8 *v42; 
  UINT8 *Src; 
  int Srca; 
  unsigned int v45; 
  __int64 v46; 
  int v47; 
  *a3 = 0i64;
  v4 = 0;
  *(_DWORD *)a2 = 0;
  v6 = *(_DWORD *)(a1 + 272);
  Src = *(UINT8 **)(a1 + 64);
  if( v6 )
  {
    while( 1 )
    {
      CellMap = HvpGetCellMap(a1, v4);
      if( *(_DWORD *)(*(_QWORD *)(CellMap + 8) & 0xFFFFFFFFFFFFFFF0ui64) != 1852400232 )
        break;
      if( *(_DWORD *)((*(_QWORD *)(CellMap + 8) & 0xFFFFFFFFFFFFFFF0ui64) + 4) != v11 )
        break;
      v12 = *(_DWORD *)((*(_QWORD *)(CellMap + 8) & 0xFFFFFFFFFFFFFFF0ui64) + 8);
      v4 = v12 + v11;
      if( v4 > v6 || (v12 & 0xFFF) != 0 )
        break;
      if( v4 >= v6 )
        goto LABEL_7;
    }
    v17 = -1073741492;
    goto LABEL_35;
  }
LABEL_7:
  v13 = v6 + 4096;
  v14 = (v6 + 4096) >> 20;
  v15 = v14 + 1;
  if( ((v6 + 4096) & 0xFFFFF) == 0 )
    v15 = v14;
  PoolWithTag = (CHAR *)ExAllocatePoolWithTag(PagedPool, 24 * v15, 0x20204D43ui64);
  *a3 = PoolWithTag;
  if( PoolWithTag )
  {
    memset((INT64)PoolWithTag, 0i64);
    *(_DWORD *)a4 = v13;
    v18 = 0x100000;
    if( v13 < 0x100000 )
      v18 = v6 + 4096;
    v19 = (UINT8 *)ExAllocatePoolWithTag(PagedPool, v18, 0x20204D43ui64);
    v20 = *a3;
    *((_QWORD *)*a3 + 1) = v19;
    if( v19 )
    {
      *(_DWORD *)v20 = 0;
      v21 = 4096;
      *((_DWORD *)v20 + 4) = v18;
      memmove(v19, Src, 0x1000ui64);
      v22 = (_DWORD *)*((_QWORD *)v20 + 1);
      v22[2] = v22[1];
      v22[10] = v6;
      v23 = HvpHeaderCheckSum(v22);
      v24 = 0i64;
      *(_DWORD *)(v25 + 508) = v23;
      v26 = *(_DWORD *)(a1 + 272);
      v27 = 0;
      v28 = 0;
      v45 = 0;
      Srca = 4096;
      *(_DWORD *)a2 = 1;
      v42 = 0i64;
      if( !v26 )
        return 0;
      for( i = 1; ; i = v47 )
      {
        v47 = i;
        if( v21 == v18 )
        {
          v30 = v26 - v27;
          v18 = 0x100000;
          if( v30 < 0x100000 )
            v18 = v30;
          v31 = ExAllocatePoolWithTag(PagedPool, v18, 0x20204D43ui64);
          v32 = *(unsigned int *)a2;
          v20 = *a3;
          v33 = 3 * v32;
          *(_QWORD *)&(*a3)[24 * v32 + 8] = v31;
          if( !v31 )
            goto LABEL_10;
          i = v32 + 1;
          v24 = v42;
          v21 = 0;
          *(_DWORD *)&v20[8 * v33] = Srca;
          *(_DWORD *)&v20[8 * v33 + 16] = v18;
          v47 = i;
          *(_DWORD *)a2 = i;
        }
        if( v28 )
          break;
        v36 = HvpGetCellMap(a1, v27);
        if( !v36 )
        {
          v17 = -1073741275;
          goto LABEL_35;
        }
        v42 = (UINT8 *)(*(_QWORD *)(v36 + 8) & 0xFFFFFFFFFFFFFFF0ui64);
        v38 = *((_DWORD *)v42 + 2);
        v28 = v18 - v21 < v38 ? v38 - (v18 - v21) : 0;
        if( v38 > v18 - v21 )
          v38 = v18 - v21;
        v46 = v38;
        memmove(
          (UINT8 *)(*(_QWORD *)&v20[24 * (v37 - 1) + 8] + v21),
          (UINT8 *)(*(_QWORD *)(v36 + 8) & 0xFFFFFFFFFFFFFFF0ui64),
          v38);
        v39 = v46;
        Srca += v46;
        v27 += v46;
        v21 += v46;
        v45 = v27;
        if( !v28 )
          goto LABEL_26;
        v24 = &v42[v39];
        v42 += v39;
LABEL_27:
        v26 = *(_DWORD *)(a1 + 272);
        if( v27 >= v26 )
          return 0;
      }
      v34 = v28;
      if( v28 > v18 )
        v34 = v18;
      v35 = v34;
      memmove(*(UINT8 **)&v20[24 * (i - 1) + 8], v24, v34);
      v45 += v35;
      v28 -= v35;
      v21 += v35;
      Srca += v35;
      v27 = v45;
LABEL_26:
      v24 = v42;
      goto LABEL_27;
    }
  }
LABEL_10:
  v17 = -1073741801;
LABEL_35:
  v40 = *a3;
  if( *a3 )
  {
    if( *(_DWORD *)a2 )
    {
      do
        ExFreePoolWithTag(*(PVOID *)&(*a3)[24 * --*(_DWORD *)a2 + 8], 0);
      while( *(_DWORD *)a2 );
      v40 = *a3;
    }
    ExFreePoolWithTag(v40, 0);
    *(_DWORD *)a2 = 0;
  }
  return v17;
}

Referenced by: