Copyright (C) 1994, Digital Equipment Corp.
UNSAFE INTERFACEThis interface defines the low-level data structures used by the exception runtime's stack walker.RTExRep ;
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TYPE ScopeKind = { Except, ExceptElse, Finally, FinallyProc, Raises, RaisesNone, Lock }; TYPE Scope = UNTRACED REF RECORD kind : CHAR; (* ScopeKind *) outermost : CHAR; (* BOOLEAN => last scope that covers [start..stop]*) end_of_list : CHAR; (* BOOLEAN => last scope in module list *) pad : CHAR; start : ADDRESS; (* first PC of the handled scope *) stop : ADDRESS; (* last PC of the handled scope *) excepts : ADDRESS; (* NIL-terminated list of handled exceptions *) offset : INTEGER; (* frame offset of ExceptionInfo *) END; TYPE ExceptionInfo = RECORD exception : ADDRESS; arg : ADDRESS; END; END RTExRep.