RtlpHpVsSubsegmentCreate

NTSTATUS __stdcall RtlpHpVsSubsegmentCreate(INT64 a1, INT64 a2, UINT64 a3){
  NTSTATUS v3; 
  __int64 v4; 
  unsigned int v5; 
  unsigned int v6; 
  unsigned int v8; 
  __int64 v9; 
  unsigned int v10; 
  unsigned __int64 v11; 
  __int16 v12; 
  __int16 v13; 
  int v15; 
  unsigned int v16; 
  unsigned int v17; 

  v3 = 0;
  v4 = (unsigned int)(2 * a2 + 72);
  v16 = 0;
  v15 = 0;
  v5 = (a2 + 4167) & 0xFFFFF000;
  v17 = 0;
  v6 = a3;
  if( ((2 * (_DWORD)a2 + 71) & (unsigned int)v4) != 0 )
  {
    _BitScanReverse(&v8, v4);
    v17 = v8;
    v4 = (unsigned int)(1 << (v8 + 1));
  }
  if( (unsigned int)v4 <= 0x10000 )
    v4 = 0x10000i64;
  if( (unsigned int)v4 >= 0x40000 )
    v4 = 0x40000i64;
  while( 1 )
  {
    v9 = ((__int64(__fastcall *)(INT64, _QWORD, _QWORD, int *, unsigned int *))(a1 ^ RtlpHpHeapGlobals ^ *(_QWORD *)(a1 + 136)))(
           a1 ^ *(_QWORD *)(a1 + 128),
           (unsigned int)v4,
           v6,
           &v15,
           &v16);
    if( v9 )
      break;
    if( v16 < v5 )
      goto LABEL_17;
    v4 = v16;
  }
  v10 = 4096;
  if( (v15 & 1) != 0 )
    v10 = v4;
  if( ((int(__fastcall *)(INT64, __int64, _QWORD))(a1 ^ RtlpHpHeapGlobals ^ *(_QWORD *)(a1 + 152)))(
         a1 ^ *(_QWORD *)(a1 + 128),
         v9,
         v10) >= 0 )
  {
    _InterlockedExchangeAdd64((volatile signed __int64 *)(a1 + 48), (unsigned __int64)v10 >> 12);
    v11 = (unsigned __int64)(v4 - 48) >> 4;
    *(_OWORD *)v9 = 0i64;
    *(_OWORD *)(v9 + 16) = 0i64;
    *(_QWORD *)(v9 + 32) = 0i64;
    *(_WORD *)(v9 + 32) = v11;
    v12 = 0;
    *(_QWORD *)(v9 + 16) = 0xFFFFFFFFFFFFFFFFui64 >> (64 - (unsigned __int8)((unsigned __int64)v10 >> 12));
    if( v10 == (_DWORD)v4 )
      v12 = 0x8000;
    v13 = *(_WORD *)(v9 + 34) & 0x7FFF | v12;
    *(_WORD *)(v9 + 34) = v13;
    *(_WORD *)(v9 + 34) ^= (v11 ^ v13 ^ 0x2BED) & 0x7FFF;
    *(_OWORD *)(v9 + 48) = 0i64;
    *(_WORD *)(v9 + 52) = 0;
    v3 = v9;
    *(_WORD *)(v9 + 50) = v11;
    *(_QWORD *)(v9 + 48) ^= (v9 + 48) ^ RtlpHpHeapGlobals;
    return v3;
  }
LABEL_17:
  if( v9 )
    ((void(__fastcall *)(INT64, __int64, _QWORD, _QWORD))(a1 ^ RtlpHpHeapGlobals ^ *(_QWORD *)(a1 + 144)))(
      a1 ^ *(_QWORD *)(a1 + 128),
      v9,
      (unsigned int)v4,
      v6);
  return v3;
}

Referenced by: