You mean destructors? An exception handler would be a catch block. Anyway, the typical implementation involves two phases, one which uses a table to identify t

You mean destructors? An exception handler would be a catch block. Anyway, the typical implementation involves two phases, one which uses a table to identify the matxhing catch clause, then another one going through landing pads for each frame of the stack. Just consult the Itanium ABI spec for technical details.