src/s60main/qts60main_mcrt0.cpp
author Alex Gilkes <alex.gilkes@nokia.com>
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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Symbian application wrapper of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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// MCRT0.CPP
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//
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// © Portions copyright (c) 2005-2006 Nokia Corporation.  All rights reserved.
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// Copyright (c) Symbian Software Ltd 1997-2004.  All rights reserved.
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//
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// EPOC32 version of crt0.c for C programs which always want multi-threaded support
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#include <e32std.h>
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#include <exception> // must be before e32base.h so uncaught_exception gets defined
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#include <e32base.h>
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#include "estlib.h"
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// Needed for QT_TRYCATCH_LEAVING.
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#include <qglobal.h>
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#ifdef __ARMCC__
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__asm int CallMain(int argc, char *argv[], char *envp[])
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{
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    import main
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    code32
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    b main
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}
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#define CALLMAIN(argc, argv, envp) CallMain(argc, argv, envp)
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#else
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extern "C" int main(int argc, char *argv[], char *envp[]);
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#define CALLMAIN(argc, argv, envp) main(argc, argv, envp)
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#endif
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// Dummy function to handle GCCE toolchain problem
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extern "C" GLDEF_C int __GccGlueInit()
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{
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    return 0;
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}
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extern "C" IMPORT_C void exit(int ret);
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GLDEF_C TInt QtMainWrapper()
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{
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    int argc = 0;
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    char **argv = 0;
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    char **envp = 0;
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    // get args & environment
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    __crt0(argc, argv, envp);
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    CleanupArrayDelete<char*>::PushL(argv);
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    CleanupArrayDelete<char*>::PushL(envp);
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    //Call user(application)'s main
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    int ret = 0;
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    QT_TRYCATCH_LEAVING(ret = CALLMAIN(argc, argv, envp););
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    CleanupStack::PopAndDestroy(2, argv);
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    return ret;
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}
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#ifdef __GCC32__
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/* stub function inserted into main() by GCC */
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extern "C" void __gccmain(void) {}
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/* Default GCC entrypoint */
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extern "C" TInt _mainCRTStartup(void)
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{
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    extern TInt _E32Startup();
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    return _E32Startup();
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}
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#endif /* __GCC32__ */
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#ifdef __EABI__
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// standard entrypoint for C runtime, expected by some linkers
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// Symbian OS does not currently use this function
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extern "C" void __main() {}
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#endif