1 // HP-UX libunwind.so doesn't provide _UA_END_OF_STACK.
2 // { dg-do run { xfail "ia64-hp-hpux11.*" } }
3
4 // Test that forced unwinding does not call std::unexpected going
5 // throw a function with a non-empty exception spec.
6
7 #include <unwind.h>
8 #include <stdlib.h>
9 #include <string.h>
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 // exception_class might not be a scalar.
28 memset (&exc->exception_class, 0, sizeof (exc->exception_class));
29 exc->exception_cleanup = 0;
30
31 #ifndef __USING_SJLJ_EXCEPTIONS__
32 _Unwind_ForcedUnwind (exc, force_unwind_stop, 0);
33 #else
34 _Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0);
35 #endif
36
37 abort ();
38 }
39
40 static void
doit()41 doit () throw(int)
42 {
43 force_unwind ();
44 }
45
main()46 int main()
47 {
48 try {
49 doit ();
50 } catch (...) {
51 }
52 }
53