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jeremybenn |
/****************************************************************************
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* *
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* GNAT COMPILER COMPONENTS *
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* *
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* R A I S E *
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* *
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* C Implementation File *
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* *
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* Copyright (C) 1992-2011, 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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/* Shared routines to support exception handling. __gnat_unhandled_terminate
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is shared between all exception handling mechanisms. */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef IN_RTS
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#include "tconfig.h"
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#include "tsystem.h"
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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 "adaint.h"
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#include "raise.h"
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/* Wrapper to builtin_longjmp. This is for the compiler eh only, as the sjlj
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runtime library interfaces directly to the intrinsic. We can't yet do
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this for the compiler itself, because this capability relies on changes
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made in april 2008 and we need to preserve the possibility to bootstrap
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with an older base version. */
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#if defined (IN_GCC) && !defined (IN_RTS)
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void
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_gnat_builtin_longjmp (void *ptr, int flag ATTRIBUTE_UNUSED)
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{
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__builtin_longjmp (ptr, 1);
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}
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#endif
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/* When an exception is raised for which no handler exists, the procedure
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Ada.Exceptions.Unhandled_Exception is called, which performs the call to
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adafinal to complete finalization, and then prints out the error messages
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for the unhandled exception. The final step is to call this routine, which
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performs any system dependent cleanup required. */
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void
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__gnat_unhandled_terminate (void)
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{
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#ifdef VMS
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/* Special termination handling for VMS */
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long prvhnd;
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/* Remove the exception vector so it won't intercept any errors
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in the call to exit, and go into and endless loop */
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SYS$SETEXV (1, 0, 3, &prvhnd);
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#endif
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/* Default termination handling */
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__gnat_os_exit (1);
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}
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#ifdef __cplusplus
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}
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#endif
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