1 /* { dg-do run { target hppa*-*-hpux* *-*-linux* powerpc*-*-darwin* *-*-darwin[912]*} } */
2 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
3 /* Verify that cleanups work with exception handling through realtime signal
4 frames on alternate stack. */
12 static _Unwind_Reason_Code
13 force_unwind_stop (int version, _Unwind_Action actions,
14 _Unwind_Exception_Class exc_class,
15 struct _Unwind_Exception *exc_obj,
16 struct _Unwind_Context *context,
19 if (actions & _UA_END_OF_STACK)
21 return _URC_NO_REASON;
24 static void force_unwind ()
26 struct _Unwind_Exception *exc = malloc (sizeof (*exc));
27 memset (&exc->exception_class, 0, sizeof (exc->exception_class));
28 exc->exception_cleanup = 0;
30 #ifndef __USING_SJLJ_EXCEPTIONS__
31 _Unwind_ForcedUnwind (exc, force_unwind_stop, 0);
33 _Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0);
42 static void counter (void *p __attribute__((unused)))
47 static void handler (void *p __attribute__((unused)))
54 static int __attribute__((noinline)) fn5 ()
56 char dummy __attribute__((cleanup (counter)));
61 static void fn4 (int sig, siginfo_t *info, void *ctx)
63 char dummy __attribute__((cleanup (counter)));
73 static int __attribute__((noinline)) fn2 ()
80 static int __attribute__((noinline)) fn1 ()
85 ss.ss_size = 4 * sysconf (_SC_PAGESIZE);
86 if (ss.ss_size < SIGSTKSZ)
87 ss.ss_size = SIGSTKSZ;
88 ss.ss_sp = malloc (ss.ss_size);
92 if (sigaltstack (&ss, NULL) < 0)
95 sigemptyset (&s.sa_mask);
97 s.sa_flags = SA_RESETHAND | SA_ONSTACK | SA_SIGINFO;
98 sigaction (SIGSEGV, &s, NULL);
99 sigaction (SIGBUS, &s, NULL);
104 static int __attribute__((noinline)) fn0 ()
106 char dummy __attribute__((cleanup (handler)));