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Diffstat (limited to 'gcc-4.4.0/gcc/ada/raise.c')
-rw-r--r-- | gcc-4.4.0/gcc/ada/raise.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/gcc-4.4.0/gcc/ada/raise.c b/gcc-4.4.0/gcc/ada/raise.c new file mode 100644 index 000000000..d82132354 --- /dev/null +++ b/gcc-4.4.0/gcc/ada/raise.c @@ -0,0 +1,78 @@ +/**************************************************************************** + * * + * GNAT COMPILER COMPONENTS * + * * + * R A I S E * + * * + * C Implementation File * + * * + * Copyright (C) 1992-2009, Free Software Foundation, Inc. * + * * + * GNAT is free software; you can redistribute it and/or modify it under * + * terms of the GNU General Public License as published by the Free Soft- * + * ware Foundation; either version 3, or (at your option) any later ver- * + * sion. GNAT is distributed in the hope that it will be useful, but WITH- * + * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * + * or FITNESS FOR A PARTICULAR PURPOSE. * + * * + * As a special exception under Section 7 of GPL version 3, you are granted * + * additional permissions described in the GCC Runtime Library Exception, * + * version 3.1, as published by the Free Software Foundation. * + * * + * You should have received a copy of the GNU General Public License and * + * a copy of the GCC Runtime Library Exception along with this program; * + * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see * + * <http://www.gnu.org/licenses/>. * + * * + * GNAT was originally developed by the GNAT team at New York University. * + * Extensive contributions were provided by Ada Core Technologies Inc. * + * * + ****************************************************************************/ + +/* Shared routines to support exception handling. + Note that _gnat_builtin_longjmp should disappear at some point, replaced + by direct call to __builtin_longjmp from Ada code. + __gnat_unhandled_terminate is code shared between all exception handling + mechanisms */ + +#ifdef IN_RTS +#include "tconfig.h" +#include "tsystem.h" +#else +#include "config.h" +#include "system.h" +#endif + +#include "adaint.h" +#include "raise.h" + +/* We have not yet figured out how to import this directly */ + +void +_gnat_builtin_longjmp (void *ptr, int flag ATTRIBUTE_UNUSED) +{ + __builtin_longjmp (ptr, 1); +} + +/* When an exception is raised for which no handler exists, the procedure + Ada.Exceptions.Unhandled_Exception is called, which performs the call to + adafinal to complete finalization, and then prints out the error messages + for the unhandled exception. The final step is to call this routine, which + performs any system dependent cleanup required. */ + +void +__gnat_unhandled_terminate (void) +{ +#ifdef VMS + /* Special termination handling for VMS */ + long prvhnd; + + /* Remove the exception vector so it won't intercept any errors + in the call to exit, and go into and endless loop */ + + SYS$SETEXV (1, 0, 3, &prvhnd); +#endif + + /* Default termination handling */ + __gnat_os_exit (1); +} |