Speculative fix for bug #1409 as per comment #4. Can't test until can build kernel.
EXPORTS
DebuggerInfo__8Debugger @ 1 NONAME ; Debugger::DebuggerInfo(void)
Install__8DebuggerP13DDebuggerInfo @ 2 NONAME ; Debugger::Install(DDebuggerInfo *)
Version__8Debugger @ 3 NONAME ; Debugger::Version(void)