1 // HP-UX libunwind.so doesn't provide _Unwind_ForcedUnwind.
2 // { dg-do run { xfail "ia64-hp-hpux11.*" } }
3
4 // Test that forced unwinding calls std::unexpected going
5 // throw a nothrow function.
6
7 #include <unwind.h>
8 #include <stdlib.h>
9 #include <exception>
10
11 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)12 force_unwind_stop (int version, _Unwind_Action actions,
13 _Unwind_Exception_Class exc_class,
14 struct _Unwind_Exception *exc_obj,
15 struct _Unwind_Context *context,
16 void *stop_parameter)
17 {
18 if (actions & _UA_END_OF_STACK)
19 abort ();
20 return _URC_NO_REASON;
21 }
22
23 static void __attribute__((noreturn))
force_unwind()24 force_unwind ()
25 {
26 _Unwind_Exception *exc = new _Unwind_Exception;
27 exc->exception_class = 0;
28 exc->exception_cleanup = 0;
29
30 #ifndef __USING_SJLJ_EXCEPTIONS__
31 _Unwind_ForcedUnwind (exc, force_unwind_stop, 0);
32 #else
33 _Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0);
34 #endif
35
36 abort ();
37 }
38
39 static void
handle_unexpected()40 handle_unexpected ()
41 {
42 exit (0);
43 }
44
45 static void
doit()46 doit () throw()
47 {
48 force_unwind ();
49 }
50
main()51 int main()
52 {
53 std::set_unexpected (handle_unexpected);
54 doit ();
55 abort ();
56 }
57