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419172fb0e
setjmp(). This is now done within stdlib_main.c prior to calling the destructor function invocation code. git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14883 87f5fb63-7c3d-0410-a384-fd976d0f7a62
174 lines
4.4 KiB
C
174 lines
4.4 KiB
C
/*
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* $Id: stdlib_constructor_begin.c,v 1.6 2005-03-11 16:04:50 obarthel Exp $
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*
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* :ts=4
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*
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* Portable ISO 'C' (1994) runtime library for the Amiga computer
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* Copyright (c) 2002-2005 by Olaf Barthel <olsen@sourcery.han.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Neither the name of Olaf Barthel nor the names of contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _STDLIB_HEADERS_H
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#include "stdlib_headers.h"
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#endif /* _STDLIB_HEADERS_H */
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/****************************************************************************/
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#include <stdlib.h>
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/****************************************************************************/
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#if defined(__SASC)
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/****************************************************************************/
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extern int (* __far __ctors[])(void);
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extern void (* __far __dtors[])(void);
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/****************************************************************************/
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/* With SAS/C this function is placed in front of the first constructor
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table entry. It will invoke all following constructors and
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finally all the destructors. We don't use this approach here. */
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void
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__construct(void)
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{
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}
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/****************************************************************************/
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void
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_init(void)
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{
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void * volatile p = &__ctors;
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/* The address is NULL if no constructor functions are to be used. */
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if(p != NULL)
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{
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int i;
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for(i = 0 ; __ctors[i] != NULL ; i++)
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{
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if((*__ctors[i])() != 0)
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exit(RETURN_FAIL);
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}
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}
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}
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/****************************************************************************/
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void
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_fini(void)
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{
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void * volatile p = &__dtors;
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/* The address is NULL if no destructor functions are to be used. */
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if(p != NULL)
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{
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static int i;
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while(__dtors[i] != NULL)
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{
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/* Increment this before jumping in, so that the next
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invocation will always pick up the destructor following
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the one we will invoke rigt now. */
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i++;
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(*__dtors[i-1])();
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}
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}
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}
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/****************************************************************************/
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#endif /* __SASC */
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/****************************************************************************/
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#if defined(__GNUC__) && !defined(__amigaos4__)
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/****************************************************************************/
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typedef void (*func_ptr)(void);
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/****************************************************************************/
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void
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_init(void)
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{
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extern func_ptr __CTOR_LIST__[];
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ULONG num_ctors = (ULONG)__CTOR_LIST__[0];
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ULONG i;
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ENTER();
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D(("there are %ld constructors to be called",num_ctors));
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/* Call all constructors in reverse order */
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for(i = 0 ; i < num_ctors ; i++)
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{
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D(("calling constructor #%ld, 0x%08lx",i,__CTOR_LIST__[1+i]));
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__CTOR_LIST__[num_ctors - i]();
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}
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SHOWMSG("all done.");
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LEAVE();
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}
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/****************************************************************************/
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void
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_fini(void)
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{
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extern func_ptr __DTOR_LIST__[];
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ULONG num_dtors = (ULONG)__DTOR_LIST__[0];
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static ULONG i;
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ENTER();
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D(("there are %ld destructors to be called",num_dtors));
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/* Call all destructors in forward order */
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while(i++ < num_dtors)
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{
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D(("calling destructor #%ld, 0x%08lx",i,__DTOR_LIST__[i]));
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__DTOR_LIST__[i]();
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}
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SHOWMSG("all done.");
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LEAVE();
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}
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/****************************************************************************/
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#endif /* __GNUC__ && !__amigaos4__ */
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