aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gcc.dg/cleanup-8.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/cleanup-8.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/cleanup-8.c99
1 files changed, 99 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/cleanup-8.c b/gcc-4.9/gcc/testsuite/gcc.dg/cleanup-8.c
new file mode 100644
index 000000000..553c0385d
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/cleanup-8.c
@@ -0,0 +1,99 @@
+/* { 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 signal
+ frames. */
+
+#include <unwind.h>
+#include <stdlib.h>
+#include <signal.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)
+{
+ 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 ()
+{
+ signal (SIGSEGV, fn4);
+ signal (SIGBUS, fn4);
+ fn2 ();
+ return 0;
+}
+
+static int __attribute__((noinline)) fn0 ()
+{
+ char dummy __attribute__((cleanup (handler)));
+ fn1 ();
+ null = 0;
+ return 0;
+}
+
+int main()
+{
+ fn0 ();
+ abort ();
+}