/*
* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "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:
* This file is part of usrt.lib (but not ksrt.lib).
*
*/
extern "C" {
typedef void (DTOR)(void *);
struct dtd
{
void * obj;
DTOR * dtor;
};
#define MAX_DTOR_RECORDS 256
dtd dtor_rec[MAX_DTOR_RECORDS];
typedef dtd** dso_handle;
dtd * __dso_handle = &dtor_rec[MAX_DTOR_RECORDS];
// This is called by compiler generated code to record needed destructions of
// dynamically initialized (ctor) top level (BSS) data.
// I guess this is more efficient for the compiler than __cxa_atexit, since
// it takes the object that needs dtoring as its first arg, which means its in
// the right register when the ctor returns.
void __aeabi_atexit(void *aObject, void (*aDtor)(void *), dso_handle aHandle)
{
dtd * drec = *aHandle;
drec--;
if (drec < &dtor_rec[0])
return; // Need to decide what to do here
drec->dtor = aDtor;
drec->obj = aObject;
*aHandle = drec;
}
int __cxa_atexit( void (*aDtor)(void *), void *aObject, dso_handle aHandle )
{
__aeabi_atexit(aObject, aDtor, aHandle);
// This is what the C++ GABI spec says to do!!
if (*aHandle < &dtor_rec[0])
return -1;
return 0;
}
void __cxa_finalize(dso_handle d)
{
dtd * drec = * d;
dtd * lim = &dtor_rec[MAX_DTOR_RECORDS];
while (drec < lim)
{
drec->dtor(drec->obj);
drec++;
}
*d = drec;
}
void run_static_dtors()
{
__cxa_finalize(&__dso_handle);
}
} // extern "C"