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111
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1 // HP-UX libunwind.so doesn't provide _UA_END_OF_STACK.
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2 // { dg-do run { xfail "ia64-hp-hpux11.*" } }
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3 // { dg-require-effective-target c++14_down }
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4
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5 // Test that forced unwinding calls std::unexpected going
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6 // through a nothrow function.
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7
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8 #include <unwind.h>
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9 #include <stdlib.h>
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10 #include <exception>
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11 #include <string.h>
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12
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13 static _Unwind_Reason_Code
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14 force_unwind_stop (int version, _Unwind_Action actions,
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15 _Unwind_Exception_Class exc_class,
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16 struct _Unwind_Exception *exc_obj,
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17 struct _Unwind_Context *context,
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18 void *stop_parameter)
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19 {
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20 if (actions & _UA_END_OF_STACK)
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21 abort ();
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22 return _URC_NO_REASON;
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23 }
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24
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25 static void __attribute__((noreturn))
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26 force_unwind ()
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27 {
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28 _Unwind_Exception *exc = new _Unwind_Exception;
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29 // exception_class might not be a scalar.
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30 memset (&exc->exception_class, 0, sizeof (exc->exception_class));
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31 exc->exception_cleanup = 0;
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32
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33 #ifndef __USING_SJLJ_EXCEPTIONS__
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34 _Unwind_ForcedUnwind (exc, force_unwind_stop, 0);
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35 #else
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36 _Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0);
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37 #endif
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38
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39 abort ();
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40 }
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41
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42 static void
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43 handle_unexpected ()
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44 {
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45 exit (0);
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46 }
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47
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48 static void
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49 doit () throw()
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50 {
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51 force_unwind ();
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52 }
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53
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54 int main()
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55 {
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56 std::set_unexpected (handle_unexpected);
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57 doit ();
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58 abort ();
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59 }
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