// Copyright (c) 2003-2009 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\euser\epoc\arm\uc_dll.cia

// 

//

#include <e32cia.h>

#include <u32std.h>

extern "C" {

extern TInt _E32Dll_Body(TInt);

__NAKED__ TInt _E32Dll(TInt /*aReason*/)

	{

	// DLL entry point

	EKA2_ENTRY_POINT_VERSION_IDENTIFIER;	// DUMMY INSTRUCTION TO INDICATE EKA2 ENTRY POINT

	asm("ldr r12, 1f ");

	__JUMP(,r12);

	asm(".word 0 ");			// loader will replace with code seg unique ID

								// for RAM-loaded code segment

								// MUST BE AT OFFSET 12 FROM ENTRY POINT

	asm("1: ");

	asm(".word _E32Dll_Body ");

#ifdef __ARMCC__

#ifdef __SUPPORT_CPP_EXCEPTIONS__

  /* It is possible no functions included in the image require

   * a handler table. Therefore make only a weak reference to

   * the handler table base symbol, which may be absent.

   */

  extern |.ARM.exidx$$Base|;

  extern |.ARM.exidx$$Limit|;

  extern |.ARM.extab$$Base| [WEAK];

  extern |Image$$ER_RO$$Base|;

  extern |Image$$ER_RO$$Limit|;

  export |Symbian$$CPP$$Exception$$Descriptor|;

  /* Symbian$$CPP$$Exception$$Descriptor is referenced from the Image header.

   * A pointer to this object can be cached by the unwinder in the UCB

   * on the assumption that the EHT for the previous frame is likely to be right

   * for the current frame

   */

|Symbian$$CPP$$Exception$$Descriptor|

#ifdef __LEAVE_EQUALS_THROW__

|Symbian$$eit_base|  		dcd |.ARM.exidx$$Base|;   /* index table base */

|Symbian$$eit_limit|  		dcd |.ARM.exidx$$Limit| ;  /* index table limit */

#endif

#if __ARMCC_VERSION > 220000

|Symbian$$code_seg_base| 	dcd |Image$$ER_RO$$Base| + 1 ; /* RO segment base + mark as ehabi v2 */

|Symbian$$code_seg_limit| 	dcd |Image$$ER_RO$$Limit| ;/* RO segment limit */

|Symbian$$reserved|		dcd 0 ; /* reserved for future use */

#else

|Symbian$$code_seg_base| 	dcd |Image$$ER_RO$$Base| ; /* RO segment base */

|Symbian$$code_seg_limit| 	dcd |Image$$ER_RO$$Limit| ;/* RO segment limit */

#endif

#endif

#elif defined(__GCCE__)

#ifdef __SUPPORT_CPP_EXCEPTIONS__

  /* It is possible no functions included in the image require

   * a handler table. Therefore make only a weak reference to

   * the handler table base symbol, which may be absent.

   */

  asm(".weak .ARM.extab$$Base");

  asm(".global Symbian$$CPP$$Exception$$Descriptor");

  /* Symbian$$CPP$$Exception$$Descriptor is referenced from the Image header.

   * A pointer to this object can be cached by the unwinder in the UCB

   * on the assumption that the EHT for the previous frame is likely to be right

   * for the current frame

   */

  asm("Symbian$$CPP$$Exception$$Descriptor:");

#ifdef __LEAVE_EQUALS_THROW__

  asm(".word .ARM.exidx$$Base");   /* index table base */

  asm(".word .ARM.exidx$$Limit");  /* index table limit */

#endif

  asm(".word Image$$ER_RO$$Base + 1"); /* RO segment base + mark as ehabi v2 */

  asm(".word Image$$ER_RO$$Limit");    /* RO segment limit */

  asm(".word 0");                      /* reserved for future use */

#endif

#endif

	}

}