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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/cleanup-11.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/cleanup-11.c b/gcc-4.9/gcc/testsuite/gcc.dg/cleanup-11.c
new file mode 100644
index 000000000..ccc61ed41
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/cleanup-11.c
@@ -0,0 +1,116 @@
+/* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* } } */
+/* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
+/* Verify that cleanups work with exception handling through realtime signal
+ frames on alternate stack. */
+
+#include <unwind.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <unistd.h>
+#include <string.h>
+
+static _Unwind_Reason_Code
+force_unwind_stop (int version, _Unwind_Action actions,
+ _Unwind_Exception_Class exc_class,
+ struct _Unwind_Exception *exc_obj,
+ struct _Unwind_Context *context,
+ void *stop_parameter)
+{
+ if (actions & _UA_END_OF_STACK)
+ abort ();
+ return _URC_NO_REASON;
+}
+
+static void force_unwind ()
+{
+ struct _Unwind_Exception *exc = malloc (sizeof (*exc));
+ memset (&exc->exception_class, 0, sizeof (exc->exception_class));
+ exc->exception_cleanup = 0;
+
+#ifndef __USING_SJLJ_EXCEPTIONS__
+ _Unwind_ForcedUnwind (exc, force_unwind_stop, 0);
+#else
+ _Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0);
+#endif
+
+ abort ();
+}
+
+int count;
+char *null;
+
+static void counter (void *p __attribute__((unused)))
+{
+ ++count;
+}
+
+static void handler (void *p __attribute__((unused)))
+{
+ if (count != 2)
+ abort ();
+ exit (0);
+}
+
+static int __attribute__((noinline)) fn5 ()
+{
+ char dummy __attribute__((cleanup (counter)));
+ force_unwind ();
+ return 0;
+}
+
+static void fn4 (int sig, siginfo_t *info, void *ctx)
+{
+ char dummy __attribute__((cleanup (counter)));
+ fn5 ();
+ null = NULL;
+}
+
+static void fn3 ()
+{
+ abort ();
+}
+
+static int __attribute__((noinline)) fn2 ()
+{
+ *null = 0;
+ fn3 ();
+ return 0;
+}
+
+static int __attribute__((noinline)) fn1 ()
+{
+ stack_t ss;
+ struct sigaction s;
+
+ ss.ss_size = 4 * sysconf (_SC_PAGESIZE);
+ if (ss.ss_size < SIGSTKSZ)
+ ss.ss_size = SIGSTKSZ;
+ ss.ss_sp = malloc (ss.ss_size);
+ if (ss.ss_sp == NULL)
+ exit (1);
+ ss.ss_flags = 0;
+ if (sigaltstack (&ss, NULL) < 0)
+ exit (1);
+
+ sigemptyset (&s.sa_mask);
+ s.sa_sigaction = fn4;
+ s.sa_flags = SA_RESETHAND | SA_ONSTACK | SA_SIGINFO;
+ sigaction (SIGSEGV, &s, NULL);
+ sigaction (SIGBUS, &s, NULL);
+ fn2 ();
+ return 0;
+}
+
+static int __attribute__((noinline)) fn0 ()
+{
+ char dummy __attribute__((cleanup (handler)));
+ fn1 ();
+ null = 0;
+ return 0;
+}
+
+int main()
+{
+ fn0 ();
+ abort ();
+}