gcc/ada/raise.c

   1 /****************************************************************************
   2  *                                                                          *
   3  *                         GNAT COMPILER COMPONENTS                         *
   4  *                                                                          *
   5  *                                R A I S E                                 *
   6  *                                                                          *
   7  *                          C Implementation File                           *
   8  *                                                                          *
   9  *             Copyright (C) 1992-2023, Free Software Foundation, Inc.      *
  10  *                                                                          *
  11  * GNAT is free software;  you can  redistribute it  and/or modify it under *
  12  * terms of the  GNU General Public License as published  by the Free Soft- *
  13  * ware  Foundation;  either version 3,  or (at your option) any later ver- *
  14  * sion.  GNAT is distributed in the hope that it will be useful, but WITH- *
  15  * OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY *
  16  * or FITNESS FOR A PARTICULAR PURPOSE.                                     *
  17  *                                                                          *
  18  * As a special exception under Section 7 of GPL version 3, you are granted *
  19  * additional permissions described in the GCC Runtime Library Exception,   *
  20  * version 3.1, as published by the Free Software Foundation.               *
  21  *                                                                          *
  22  * You should have received a copy of the GNU General Public License and    *
  23  * a copy of the GCC Runtime Library Exception along with this program;     *
  24  * see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    *
  25  * <http://www.gnu.org/licenses/>.                                          *
  26  *                                                                          *
  27  * GNAT was originally developed  by the GNAT team at  New York University. *
  28  * Extensive contributions were provided by Ada Core Technologies Inc.      *
  29  *                                                                          *
  30  ****************************************************************************/
  31
  32 /* Shared routines to support exception handling.  __gnat_unhandled_terminate
  33    is shared between all exception handling mechanisms.  */
  34
  35 #ifdef IN_RTS
  36 #include "runtime.h"
  37 #else
  38 #include "config.h"
  39 #include "system.h"
  40 #endif
  41
  42 #include "adaint.h"
  43 #include "raise.h"
  44
  45 #ifdef __cplusplus
  46 extern "C" {
  47 #endif
  48
  49 /* When an exception is raised for which no handler exists, the procedure
  50    Ada.Exceptions.Unhandled_Exception is called, which performs the call to
  51    adafinal to complete finalization, and then prints out the error messages
  52    for the unhandled exception. The final step is to call this routine, which
  53    performs any system dependent cleanup required.  */
  54
  55 void
  56 __gnat_unhandled_terminate (void)
  57 {
  58   /* Default termination handling */
  59   __gnat_os_exit (1);
  60 }
  61
  62 #ifndef IN_RTS
  63 int
  64 __gnat_backtrace (void **array ATTRIBUTE_UNUSED,
  65                   int size ATTRIBUTE_UNUSED,
  66                   void *exclude_min ATTRIBUTE_UNUSED,
  67                   void *exclude_max ATTRIBUTE_UNUSED,
  68                   int skip_frames ATTRIBUTE_UNUSED)
  69 {
  70   return 0;
  71 }
  72 #endif
  73 #ifdef __cplusplus
  74 }
  75 #endif