diff -r 000000000000 -r bde4ae8d615e os/kernelhwsrv/kernel/eka/euser/epoc/arm/uc_dll.cia --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/os/kernelhwsrv/kernel/eka/euser/epoc/arm/uc_dll.cia Fri Jun 15 03:10:57 2012 +0200 @@ -0,0 +1,78 @@ +// 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 +#include + +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 +#endif + } +} +