### 4.5 Language-independent routines for exception handling

document me!

           _Unwind_DeleteException
           _Unwind_Find_FDE
           _Unwind_ForcedUnwind
           _Unwind_GetGR
           _Unwind_GetIP
           _Unwind_GetLanguageSpecificData
           _Unwind_GetRegionStart
           _Unwind_GetTextRelBase
           _Unwind_GetDataRelBase
           _Unwind_RaiseException
           _Unwind_Resume
           _Unwind_SetGR
           _Unwind_SetIP
           _Unwind_FindEnclosingFunction
           _Unwind_SjLj_Register
           _Unwind_SjLj_Unregister
           _Unwind_SjLj_RaiseException
           _Unwind_SjLj_ForcedUnwind
           _Unwind_SjLj_Resume
           __deregister_frame
           __deregister_frame_info
           __deregister_frame_info_bases
           __register_frame
           __register_frame_info
           __register_frame_info_bases
           __register_frame_info_table
           __register_frame_info_table_bases
           __register_frame_table