// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// (C) Copyright 2008 Sebastian Redl
#ifndef EXCEPTION_PTR_HPP
#define EXCEPTION_PTR_HPP

#include <unwind.h>

#include <boost/intrusive_ptr.hpp>

// Based on the ABI of GCC 4.2.2. No compatibility guaranteed with anything
// else.

namespace boost
{
	namespace detail
	{
		struct eh_info
		{
			void *d1;
			void *d2;
			void *d3;
			void *d4;
			eh_info *next;
			int handlerCount;
			// This assumes __ARM_EABI_UNWINDER__ unset.
			int d6;
			void *d7;
			void *d8;
			void *d9;
			void *d10;
			_Unwind_Exception unwindHeader;
		};

		void intrusive_ptr_add_ref(eh_info *p);
		void intrusive_ptr_release(eh_info *p);
	}

	typedef boost::intrusive_ptr<detail::eh_info> exception_ptr;

    exception_ptr current_exception();
    void rethrow_exception(exception_ptr p);

    template<class E>
    exception_ptr copy_exception(E e)
    {
        try
        {
            throw e;
        }
        catch( ... )
        {
            return current_exception();
        }
    }
}

#endif