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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
// File: HotTable.h
//
//
// Class code:MetaData::HotTable stores hot table records cache, a cache of often-accessed
// table records stored only in NGEN images.
// The cache is created using IBC logging.
//
// ======================================================================================
#pragma once
#include "external.h"
#include "hotdataformat.h"
namespace MetaData
{
// --------------------------------------------------------------------------------------
//
// This class stores hot table records cache, a cache of often-accessed table records stored only in NGEN
// images.
// The cache is created using IBC logging.
//
class HotTable
{
public:
__checkReturn
static HRESULT GetData(
UINT32 nRowIndex,
__deref_out_opt BYTE **ppRecord,
UINT32 cbRecordSize,
struct HotTableHeader *pHotTableHeader);
inline static struct HotTableHeader *GetTableHeader(
struct HotTablesDirectory *pHotTablesDirectory,
UINT32 nTableIndex)
{
_ASSERTE(pHotTablesDirectory != NULL);
INT32 nTableOffset = pHotTablesDirectory->m_rgTableHeader_SignedOffset[nTableIndex];
_ASSERTE(nTableOffset != 0);
BYTE *pHotTableHeaderData = ((BYTE *)pHotTablesDirectory) + nTableOffset;
return (struct HotTableHeader *)pHotTableHeaderData;
}
static void CheckTables(struct HotTablesDirectory *pHotTablesDirectory);
}; // class HotTable
}; // namespace MetaData
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