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 /* Verify that cleanups work with exception handling.  */
   6
   7 #include <unwind.h>
   8 #include <stdlib.h>
   9
  10 static _Unwind_Reason_Code
  11 force_unwind_stop (int version, _Unwind_Action actions,
  12                    _Unwind_Exception_Class exc_class,
  13                    struct _Unwind_Exception *exc_obj,
  14                    struct _Unwind_Context *context,
  15                    void *stop_parameter)
  16 {
  17   if (actions & _UA_END_OF_STACK)
  18     abort ();
  19   return _URC_NO_REASON;
  20 }
  21
  22 static void force_unwind ()
  23 {
  24   struct _Unwind_Exception *exc = malloc (sizeof (*exc));
  25   exc->exception_class = 0;
  26   exc->exception_cleanup = 0;
  27
  28 #ifndef __USING_SJLJ_EXCEPTIONS__
  29   _Unwind_ForcedUnwind (exc, force_unwind_stop, 0);
  30 #else
  31   _Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0);
  32 #endif
  33
  34   abort ();
  35 }
  36
  37 static void handler (void *p __attribute__((unused)))
  38 {
  39   exit (0);
  40 }
  41
  42 static void doit ()
  43 {
  44   char dummy __attribute__((cleanup (handler)));
  45   force_unwind ();
  46 }
  47
  48 int main()
  49 {
  50   doit ();
  51   abort ();
  52 }