kernel/eka/include/e32ldr.h
author Mike Kinghan <mikek@symbian.org>
Tue, 16 Nov 2010 14:39:21 +0000
branchGCC_SURGE
changeset 303 9b85206a602c
parent 33 0173bcd7697c
permissions -rw-r--r--
We need a way to pass flags to rombuilds in Raptor via extension flm interfaces, so that the CPP pass of the rom input files can be informed what toolchain we are building with and conditionally include or exclude files depending on whether the toolchain could build them.

// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of the License "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
// e32\include\e32ldr.h
// 
// WARNING: This file contains some APIs which are internal and are subject
//          to change without notice. Such APIs should therefore not be used
//          outside the Kernel and Hardware Services package.
//

/**
 @file
 @internalTechnology
*/

#ifndef __E32LDR_H__
#define __E32LDR_H__
#include <e32cmn.h>


/**
	@internalTechnology

	Where sections of a file are located on the media.
	The kernel uses this to load in parts of a demand paged file.
 */
class TBlockMapEntryBase
	{
public:
	TUint iNumberOfBlocks;  // Number of contiguous blocks in map.
	TUint iStartBlock;		// Number for first block in the map.
	};


/**
	@internalTechnology

	Describes context for TBlockMapEntryBase objects.
 */
struct SBlockMapInfoBase
	{
	TUint iBlockGranularity;	// Size of a block in bytes.
	TUint iBlockStartOffset;	// Offset to start of the file or requested file position within a block.
	TInt64 iStartBlockAddress;	// Address of the first block of the partition.
	TInt iLocalDriveNumber;		// Local drive number of where the file lies on.
	};


#ifndef SYMBIAN_ENABLE_SPLIT_HEADERS
#include <e32ldr_private.h>
#endif

#endif // __E32LDR_H__