Hi, It's a function prescribed by Itanium C++ ABI's exception handling support, for details, refer to http://www.codesourcery.com/cxx-abi/abi-eh.html#base-throw and "gcc/unwind.inc" in gcc's source tree. Best regards, hzy ----- Original Message ----- From: "Lev Assinovsky" <LAssinovsky@xxxxxxxxxxxxxxxxxxxx> To: <gcc-help@xxxxxxxxxxx> Sent: Friday, November 21, 2003 12:05 AM Subject: _Unwind_RaiseException? Hello all! Could anybody explain me the meaning of "_Unwind_RaiseException"? Thanks in advance! ---- Lev Assinovsky Aelita Software Corporation O&S InTrust Framework Division, Team Leader ICQ# 165072909