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) 1992-2018, 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 "tconfig.h"
  37 #include "tsystem.h"
  38 #else
  39 #include "config.h"
  40 #include "system.h"
  41 #endif
  42
  43 #include "adaint.h"
  44 #include "raise.h"
  45
  46 #ifdef __cplusplus
  47 extern "C" {
  48 #endif
  49
  50 /* When an exception is raised for which no handler exists, the procedure
  51    Ada.Exceptions.Unhandled_Exception is called, which performs the call to
  52    adafinal to complete finalization, and then prints out the error messages
  53    for the unhandled exception. The final step is to call this routine, which
  54    performs any system dependent cleanup required.  */
  55
  56 void
  57 __gnat_unhandled_terminate (void)
  58 {
  59 #ifdef VMS
  60   /* Special termination handling for VMS */
  61   long prvhnd;
  62
  63   /* Remove the exception vector so it won't intercept any errors
  64      in the call to exit, and go into and endless loop */
  65
  66   SYS$SETEXV (1, 0, 3, &prvhnd);
  67 #endif
  68
  69   /* Default termination handling */
  70   __gnat_os_exit (1);
  71 }
  72
  73 #ifndef IN_RTS
  74 int
  75 __gnat_backtrace (void **array ATTRIBUTE_UNUSED,
  76                   int size ATTRIBUTE_UNUSED,
  77                   void *exclude_min ATTRIBUTE_UNUSED,
  78                   void *exclude_max ATTRIBUTE_UNUSED,
  79                   int skip_frames ATTRIBUTE_UNUSED)
  80 {
  81   return 0;
  82 }
  83
  84 void
  85 __gnat_eh_personality (void)
  86 {
  87   abort ();
  88 }
  89
  90 void
  91 __gnat_rcheck_04 (void)
  92 {
  93   abort ();
  94 }
  95
  96 void
  97 __gnat_rcheck_10 (void)
  98 {
  99   abort ();
 100 }
 101
 102 void
 103 __gnat_rcheck_19 (void)
 104 {
 105   abort ();
 106 }
 107
 108 void
 109 __gnat_rcheck_20 (void)
 110 {
 111   abort ();
 112 }
 113
 114 void
 115 __gnat_rcheck_21 (void)
 116 {
 117   abort ();
 118 }
 119
 120 void
 121 __gnat_rcheck_30 (void)
 122 {
 123   abort ();
 124 }
 125
 126 void
 127 __gnat_rcheck_31 (void)
 128 {
 129   abort ();
 130 }
 131
 132 void
 133 __gnat_rcheck_32 (void)
 134 {
 135   abort ();
 136 }
 137 #endif
 138 #ifdef __cplusplus
 139 }
 140 #endif