raises an exception, passing along the given exception
object, which should have its
exception_cleanup fields set.
The exception object has been allocated by the language-specific
runtime, and has a language-specific format, exception that it shall
contain an _Unwind_Exception.
_Unwind_RaiseException does not return unless an
error condition is found. If an error condition occurs, an
_Unwind_Reason_Code is returnd:
The unwinder encountered the end of the stack during phase one without
finding a handler. The unwind runtime will not have modified the stack.
The C++ runtime will normally call
in this case.
The unwinder encountered an unexpected error during phase one, because
of something like stack corruption. The unwind runtime will not have
modified the stack. The C++ runtime will normally call
terminate in this case.
The unwinder encountered an unexpected error during phase two.
This is usually a throw, which will call