References gdbhooks.Tree.gdbval, gdbhooks.TreePrinter.gdbval, gdbhooks.CGraphNodePrinter.gdbval, and gdbhooks.GimplePrinter.gdbval.
Referenced by gdbhooks.Rtx.GET_CODE(), gdbhooks.GimplePrinter.to_string(), gdbhooks.BasicBlockPrinter.to_string(), gdbhooks.CfgEdgePrinter.to_string(), gdbhooks.RtxPrinter.to_string(), and gdbhooks.PassPrinter.to_string().