/* { dg-do run { target hppa*-*-hpux* *-*-linux* powerpc*-*-darwin* *-*-darwin[912]* } } */
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/* { dg-do run { target hppa*-*-hpux* *-*-linux* powerpc*-*-darwin* *-*-darwin[912]* } } */
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/* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
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/* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
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/* Verify that cleanups work with exception handling through realtime signal
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/* Verify that cleanups work with exception handling through realtime signal
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frames on alternate stack. */
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frames on alternate stack. */
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#include
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#include
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#include
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#include
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#include
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#include
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#include
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#include
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#include
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#include
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static _Unwind_Reason_Code
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static _Unwind_Reason_Code
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force_unwind_stop (int version, _Unwind_Action actions,
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force_unwind_stop (int version, _Unwind_Action actions,
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_Unwind_Exception_Class exc_class,
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_Unwind_Exception_Class exc_class,
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struct _Unwind_Exception *exc_obj,
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struct _Unwind_Exception *exc_obj,
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struct _Unwind_Context *context,
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struct _Unwind_Context *context,
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void *stop_parameter)
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void *stop_parameter)
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{
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{
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if (actions & _UA_END_OF_STACK)
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if (actions & _UA_END_OF_STACK)
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abort ();
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abort ();
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return _URC_NO_REASON;
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return _URC_NO_REASON;
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}
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}
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static void force_unwind ()
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static void force_unwind ()
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{
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{
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struct _Unwind_Exception *exc
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struct _Unwind_Exception *exc
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= (struct _Unwind_Exception*) malloc (sizeof (*exc));
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= (struct _Unwind_Exception*) malloc (sizeof (*exc));
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memset (&exc->exception_class, 0, sizeof (exc->exception_class));
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memset (&exc->exception_class, 0, sizeof (exc->exception_class));
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exc->exception_cleanup = 0;
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exc->exception_cleanup = 0;
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#ifndef __USING_SJLJ_EXCEPTIONS__
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#ifndef __USING_SJLJ_EXCEPTIONS__
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_Unwind_ForcedUnwind (exc, force_unwind_stop, 0);
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_Unwind_ForcedUnwind (exc, force_unwind_stop, 0);
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#else
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#else
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_Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0);
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_Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0);
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#endif
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#endif
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abort ();
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abort ();
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}
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}
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int count;
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int count;
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char *null;
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char *null;
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static void counter (void *p __attribute__((unused)))
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static void counter (void *p __attribute__((unused)))
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{
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{
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++count;
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++count;
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}
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}
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static void handler (void *p __attribute__((unused)))
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static void handler (void *p __attribute__((unused)))
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{
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{
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if (count != 2)
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if (count != 2)
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abort ();
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abort ();
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exit (0);
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exit (0);
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}
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}
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static int __attribute__((noinline)) fn5 ()
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static int __attribute__((noinline)) fn5 ()
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{
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{
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char dummy __attribute__((cleanup (counter)));
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char dummy __attribute__((cleanup (counter)));
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force_unwind ();
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force_unwind ();
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return 0;
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return 0;
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}
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}
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static void fn4 (int sig, siginfo_t *info, void *ctx)
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static void fn4 (int sig, siginfo_t *info, void *ctx)
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{
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{
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char dummy __attribute__((cleanup (counter)));
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char dummy __attribute__((cleanup (counter)));
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fn5 ();
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fn5 ();
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null = NULL;
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null = NULL;
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}
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}
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static void fn3 ()
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static void fn3 ()
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{
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{
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abort ();
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abort ();
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}
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}
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static int __attribute__((noinline)) fn2 ()
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static int __attribute__((noinline)) fn2 ()
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{
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{
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*null = 0;
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*null = 0;
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fn3 ();
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fn3 ();
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return 0;
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return 0;
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}
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}
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static int __attribute__((noinline)) fn1 ()
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static int __attribute__((noinline)) fn1 ()
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{
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{
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stack_t ss;
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stack_t ss;
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struct sigaction s;
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struct sigaction s;
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ss.ss_size = 4 * sysconf (_SC_PAGESIZE);
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ss.ss_size = 4 * sysconf (_SC_PAGESIZE);
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if (ss.ss_size < SIGSTKSZ)
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if (ss.ss_size < SIGSTKSZ)
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ss.ss_size = SIGSTKSZ;
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ss.ss_size = SIGSTKSZ;
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ss.ss_sp = malloc (ss.ss_size);
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ss.ss_sp = malloc (ss.ss_size);
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if (ss.ss_sp == NULL)
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if (ss.ss_sp == NULL)
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exit (1);
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exit (1);
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ss.ss_flags = 0;
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ss.ss_flags = 0;
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if (sigaltstack (&ss, NULL) < 0)
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if (sigaltstack (&ss, NULL) < 0)
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exit (1);
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exit (1);
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sigemptyset (&s.sa_mask);
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sigemptyset (&s.sa_mask);
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s.sa_sigaction = fn4;
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s.sa_sigaction = fn4;
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s.sa_flags = SA_RESETHAND | SA_ONSTACK | SA_SIGINFO;
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s.sa_flags = SA_RESETHAND | SA_ONSTACK | SA_SIGINFO;
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sigaction (SIGSEGV, &s, NULL);
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sigaction (SIGSEGV, &s, NULL);
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sigaction (SIGBUS, &s, NULL);
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sigaction (SIGBUS, &s, NULL);
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fn2 ();
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fn2 ();
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return 0;
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return 0;
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}
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}
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static int __attribute__((noinline)) fn0 ()
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static int __attribute__((noinline)) fn0 ()
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{
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{
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char dummy __attribute__((cleanup (handler)));
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char dummy __attribute__((cleanup (handler)));
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fn1 ();
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fn1 ();
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null = 0;
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null = 0;
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return 0;
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return 0;
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}
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}
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int main()
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int main()
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{
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{
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fn0 ();
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fn0 ();
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abort ();
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abort ();
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}
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}
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