gcc/testsuite/gcc.dg/cleanup-5.c

   1 /* HP-UX libunwind.so doesn't provide _UA_END_OF_STACK */
   2 /* { dg-do run } */
   3 /* { dg-options "-fexceptions" } */
   4 /* { dg-skip-if "" { "ia64-*-hpux11.*" } } */
   5 /* { dg-skip-if "" { ! nonlocal_goto } } */
   6 /* { dg-require-effective-target exceptions } */
   7 /* Verify that cleanups work with exception handling.  */
   8
   9 #include <unwind.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12
  13 static _Unwind_Reason_Code
  14 force_unwind_stop (int version, _Unwind_Action actions,
  15                    _Unwind_Exception_Class exc_class,
  16                    struct _Unwind_Exception *exc_obj,
  17                    struct _Unwind_Context *context,
  18                    void *stop_parameter)
  19 {
  20   if (actions & _UA_END_OF_STACK)
  21     abort ();
  22   return _URC_NO_REASON;
  23 }
  24
  25 static void force_unwind ()
  26 {
  27   struct _Unwind_Exception *exc = malloc (sizeof (*exc));
  28   memset (&exc->exception_class, 0, sizeof (exc->exception_class));
  29   exc->exception_cleanup = 0;
  30
  31 #ifndef __USING_SJLJ_EXCEPTIONS__
  32   _Unwind_ForcedUnwind (exc, force_unwind_stop, 0);
  33 #else
  34   _Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0);
  35 #endif
  36
  37   abort ();
  38 }
  39
  40 static void handler (void *p __attribute__((unused)))
  41 {
  42   exit (0);
  43 }
  44
  45 static void doit ()
  46 {
  47   char dummy __attribute__((cleanup (handler)));
  48   force_unwind ();
  49 }
  50
  51 int main()
  52 {
  53   doit ();
  54   abort ();
  55 }