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 #include <string.h>
  10
  11 static _Unwind_Reason_Code
  12 force_unwind_stop (int version, _Unwind_Action actions,
  13                    _Unwind_Exception_Class exc_class,
  14                    struct _Unwind_Exception *exc_obj,
  15                    struct _Unwind_Context *context,
  16                    void *stop_parameter)
  17 {
  18   if (actions & _UA_END_OF_STACK)
  19     abort ();
  20   return _URC_NO_REASON;
  21 }
  22
  23 static void force_unwind ()
  24 {
  25   struct _Unwind_Exception *exc = malloc (sizeof (*exc));
  26   memset (&exc->exception_class, 0, sizeof (exc->exception_class));
  27   exc->exception_cleanup = 0;
  28
  29 #ifndef __USING_SJLJ_EXCEPTIONS__
  30   _Unwind_ForcedUnwind (exc, force_unwind_stop, 0);
  31 #else
  32   _Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0);
  33 #endif
  34
  35   abort ();
  36 }
  37
  38 static void handler (void *p __attribute__((unused)))
  39 {
  40   exit (0);
  41 }
  42
  43 static void doit ()
  44 {
  45   char dummy __attribute__((cleanup (handler)));
  46   force_unwind ();
  47 }
  48
  49 int main()
  50 {
  51   doit ();
  52   abort ();
  53 }