138 lines
4.9 KiB
C
138 lines
4.9 KiB
C
/****************************************************************************
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* *
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* GNAT COMPILER COMPONENTS *
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* *
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* I N I T I A L I Z E *
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* *
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* C Implementation File *
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* *
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* Copyright (C) 1992-2020, Free Software Foundation, Inc. *
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* *
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* GNAT is free software; you can redistribute it and/or modify it under *
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* terms of the GNU General Public License as published by the Free Soft- *
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* ware Foundation; either version 3, or (at your option) any later ver- *
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* sion. GNAT is distributed in the hope that it will be useful, but WITH- *
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* OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
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* or FITNESS FOR A PARTICULAR PURPOSE. *
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* *
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* As a special exception under Section 7 of GPL version 3, you are granted *
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* additional permissions described in the GCC Runtime Library Exception, *
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* version 3.1, as published by the Free Software Foundation. *
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* *
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* You should have received a copy of the GNU General Public License and *
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* a copy of the GCC Runtime Library Exception along with this program; *
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* see the files COPYING3 and COPYING.RUNTIME respectively. If not, see *
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* <http://www.gnu.org/licenses/>. *
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* *
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* GNAT was originally developed by the GNAT team at New York University. *
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* Extensive contributions were provided by Ada Core Technologies Inc. *
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* *
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****************************************************************************/
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/* This unit provides default implementation for __gnat_initialize ()
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which is called before the elaboration of the partition. It is provided
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in a separate file/object so that users can replace it easily.
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The default implementation should be null on most targets. */
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/* The following include is here to meet the published VxWorks requirement
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that the __vxworks header appear before any other include. */
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#ifdef __vxworks
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#include "vxWorks.h"
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#endif
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#ifdef IN_RTS
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#include "runtime.h"
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/* We don't have libiberty, so use malloc. */
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#define xmalloc(S) malloc (S)
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#define xrealloc(V,S) realloc (V,S)
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#else
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#include "config.h"
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#include "system.h"
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#endif
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#include "raise.h"
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#include <fcntl.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/******************************************/
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/* __gnat_initialize (NT-mingw32 Version) */
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/******************************************/
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#if defined (__MINGW32__)
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extern void __gnat_install_SEH_handler (void *);
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void
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__gnat_initialize (void *eh ATTRIBUTE_UNUSED)
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{
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/* Note that we do not activate this for the compiler itself to avoid a
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bootstrap path problem. Older version of gnatbind will generate a call
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to __gnat_initialize() without argument. Therefore we cannot use eh in
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this case. It will be possible to remove the following #ifdef at some
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point. */
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#ifdef IN_RTS
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/* Install the Structured Exception handler. */
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if (eh)
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__gnat_install_SEH_handler (eh);
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#endif
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}
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/******************************************/
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/* __gnat_initialize (init_float version) */
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/******************************************/
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#elif defined (__Lynx__) || defined (__FreeBSD__) || defined(__NetBSD__) \
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|| defined (__OpenBSD__) || defined (__DragonFly__)
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void
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__gnat_initialize (void *eh ATTRIBUTE_UNUSED)
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{
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}
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/***************************************/
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/* __gnat_initialize (VxWorks Version) */
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/***************************************/
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#elif defined(__vxworks)
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void
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__gnat_initialize (void *eh)
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{
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}
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#elif defined(_T_HPUX10) || (!defined(IN_RTS) && defined(_X_HPUX10))
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/************************************************/
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/* __gnat_initialize (PA-RISC HP-UX 10 Version) */
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/************************************************/
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extern void __main (void);
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void
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__gnat_initialize (void *eh ATTRIBUTE_UNUSED)
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{
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__main ();
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}
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#else
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/* For all other versions of GNAT, the initialize routine and handler
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installation do nothing */
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/***************************************/
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/* __gnat_initialize (Default Version) */
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/***************************************/
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void
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__gnat_initialize (void *eh ATTRIBUTE_UNUSED)
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{
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}
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#endif
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#ifdef __cplusplus
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}
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#endif
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