author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 18 Jan 2010 21:31:10 +0200 | |
changeset 11 | 329ab0095843 |
parent 10 | 36bfc973b146 |
permissions | -rw-r--r-- |
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// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of the License "ARM EABI LICENCE.txt" |
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// which accompanies this distribution, and is available |
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// in kernel/eka/compsupp. |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// toplevel destruction routines for 'user side' code compiled |
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// with the ARMEDG compiler. |
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// |
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// |
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#include "cppinit.h" |
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extern "C" { |
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#define MAX_DTOR_RECORDS 256 |
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static dtd dtor_rec[MAX_DTOR_RECORDS]; |
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typedef dtd **dso_handle; |
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dtd * __dso_handle = &dtor_rec[MAX_DTOR_RECORDS]; |
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void __cxa_finalize ( dso_handle d ); |
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// Need to decide what this should do we run out of dtor space. |
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// Probably need to run __cxa_finalize then do some kind of panic. |
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void CppBSSInitializationError() |
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{ |
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// __cxa_finalize(&dtor_rec[0]); |
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}; |
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// This is called by compiler generated code to record needed destructions of |
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// dynamically initialized (ctor) top level (BSS) data. |
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// I guess this is more efficient for the compiler than __cxa_atexit, since |
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// it takes the object that needs dtoring as its first arg, which means its in |
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// the right register when the ctor returns. |
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void __aeabi_atexit(void *aObject, void (*aDtor)(void *), dso_handle aHandle) |
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{ |
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dtd * drec = *aHandle; |
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drec--; |
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if (drec < &dtor_rec[0]) |
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// Need to decide what to do here |
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return CppBSSInitializationError(); |
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drec->dtor = aDtor; |
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drec->obj = aObject; |
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*aHandle = drec; |
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} |
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int __cxa_atexit ( void (*aDtor)(void *), void *aObject, dso_handle aHandle ) |
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{ |
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__aeabi_atexit(aObject, aDtor, aHandle); |
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// This is what the C++ GABI spec says to do!! |
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if (*aHandle < &dtor_rec[0]) |
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return -1; |
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return 0; |
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} |
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void __cxa_finalize ( dso_handle d ) |
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{ |
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dtd * drec = * d; |
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dtd * lim = &dtor_rec[MAX_DTOR_RECORDS]; |
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while (drec < lim) |
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{ |
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drec->dtor(drec->obj); |
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drec++; |
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} |
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*d = drec; |
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} |
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void run_static_dtors (void) |
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{ |
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__cxa_finalize(&__dso_handle); |
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} |
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} |
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