sl@0: // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32\euser\epoc\arm\uc_dll.cia
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <e32cia.h>
sl@0: #include <u32std.h>
sl@0: 
sl@0: extern "C" {
sl@0: 
sl@0: extern TInt _E32Dll_Body(TInt);
sl@0: 
sl@0: __NAKED__ TInt _E32Dll(TInt /*aReason*/)
sl@0: 	{
sl@0: 	// DLL entry point
sl@0: 	EKA2_ENTRY_POINT_VERSION_IDENTIFIER;	// DUMMY INSTRUCTION TO INDICATE EKA2 ENTRY POINT
sl@0: 	asm("ldr r12, 1f ");
sl@0: 	__JUMP(,r12);
sl@0: 
sl@0: 	asm(".word 0 ");			// loader will replace with code seg unique ID
sl@0: 								// for RAM-loaded code segment
sl@0: 								// MUST BE AT OFFSET 12 FROM ENTRY POINT
sl@0: 
sl@0: 	asm("1: ");
sl@0: 	asm(".word _E32Dll_Body ");
sl@0: 
sl@0: #ifdef __ARMCC__
sl@0: #ifdef __SUPPORT_CPP_EXCEPTIONS__
sl@0: 
sl@0: 
sl@0:   /* It is possible no functions included in the image require
sl@0:    * a handler table. Therefore make only a weak reference to
sl@0:    * the handler table base symbol, which may be absent.
sl@0:    */
sl@0:   extern |.ARM.exidx$$Base|;
sl@0:   extern |.ARM.exidx$$Limit|;
sl@0:   extern |.ARM.extab$$Base| [WEAK];
sl@0:   extern |Image$$ER_RO$$Base|;
sl@0:   extern |Image$$ER_RO$$Limit|;
sl@0:   export |Symbian$$CPP$$Exception$$Descriptor|;
sl@0: 
sl@0:   /* Symbian$$CPP$$Exception$$Descriptor is referenced from the Image header.
sl@0:    * A pointer to this object can be cached by the unwinder in the UCB
sl@0:    * on the assumption that the EHT for the previous frame is likely to be right
sl@0:    * for the current frame
sl@0:    */
sl@0: 
sl@0: |Symbian$$CPP$$Exception$$Descriptor|
sl@0: #ifdef __LEAVE_EQUALS_THROW__
sl@0: |Symbian$$eit_base|  		dcd |.ARM.exidx$$Base|;   /* index table base */
sl@0: |Symbian$$eit_limit|  		dcd |.ARM.exidx$$Limit| ;  /* index table limit */
sl@0: #endif
sl@0: #if __ARMCC_VERSION > 220000
sl@0: |Symbian$$code_seg_base| 	dcd |Image$$ER_RO$$Base| + 1 ; /* RO segment base + mark as ehabi v2 */
sl@0: |Symbian$$code_seg_limit| 	dcd |Image$$ER_RO$$Limit| ;/* RO segment limit */
sl@0: |Symbian$$reserved|		dcd 0 ; /* reserved for future use */
sl@0: #else
sl@0: |Symbian$$code_seg_base| 	dcd |Image$$ER_RO$$Base| ; /* RO segment base */
sl@0: |Symbian$$code_seg_limit| 	dcd |Image$$ER_RO$$Limit| ;/* RO segment limit */
sl@0: #endif
sl@0: 
sl@0: #endif
sl@0: #endif
sl@0: 	}
sl@0: }
sl@0: