diff gcc/testsuite/g++.dg/ext/cleanup-9.C @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 1830386684a0
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/ext/cleanup-9.C	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,104 @@
+/* { 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.  */
+
+#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 
+    = (struct _Unwind_Exception *) 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 ()
+{
+  struct sigaction s;
+  sigemptyset (&s.sa_mask);
+  s.sa_sigaction = fn4;
+  s.sa_flags = SA_RESETHAND | 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 ();
+}