/// Called by __cxa_rethrow().
_LIBUNWIND_EXPORT _Unwind_Reason_Code
_Unwind_Resume_or_Rethrow(_Unwind_Exception *exception_object) {
#if LIBCXXABI_ARM_EHABI
_LIBUNWIND_TRACE_API("_Unwind_Resume_or_Rethrow(ex_obj=%p), "
"private_1=%ld\n",
exception_object,
(long)exception_object->unwinder_cache.reserved1);
#else
_LIBUNWIND_TRACE_API("_Unwind_Resume_or_Rethrow(ex_obj=%p), "
"private_1=%ld\n",
exception_object,
(long)exception_object->private_1);
#endif
#if LIBCXXABI_ARM_EHABI
// _Unwind_RaiseException on EHABI will always set the reserved1 field to 0,
// which is in the same position as private_1 below.
return _Unwind_RaiseException(exception_object);
#else
// If this is non-forced and a stopping place was found, then this is a
// re-throw.
// Call _Unwind_RaiseException() as if this was a new exception
if (exception_object->private_1 == 0) {
return _Unwind_RaiseException(exception_object);
// Will return if there is no catch clause, so that __cxa_rethrow can call
// std::terminate().
}
// Call through to _Unwind_Resume() which distiguishes between forced and
// regular exceptions.
_Unwind_Resume(exception_object);
_LIBUNWIND_ABORT("_Unwind_Resume_or_Rethrow() called _Unwind_RaiseException()"
" which unexpectedly returned");
#endif
}
void __attribute__((nonnull)) __cilkrts_gcc_rethrow(__cilkrts_stack_frame *sf)
{
#ifdef __CYGWIN__
// Cygwin doesn't support exceptions, so _Unwind_Resume isn't available
// Which means we can't support exceptions either
__cilkrts_bug("The Cygwin implementation of the Intel Cilk Plus runtime doesn't support exceptions\n");
#else
if (sf->except_data) {
#if CILK_LIB_DEBUG
CILK_ASSERT(std::uncaught_exception());
#endif
_Unwind_Resume ((_Unwind_Exception *)sf->except_data);
} else {
throw;
}
#endif // __CYGWIN__
}