+
+/// ToolExecutionError - An instance of this class is thrown by the
+/// AbstractInterpreter instances if there is an error running a tool (e.g., LLC
+/// crashes) which prevents execution of the program.
+///
+class ToolExecutionError : std::exception {
+ std::string Message;
+public:
+ explicit ToolExecutionError(const std::string &M) : Message(M) {}
+ virtual ~ToolExecutionError() throw();
+ virtual const char* what() const throw() { return Message.c_str(); }
+};
+
+