go/src/runtime/tracetype.go

type traceTypeTable …

// put returns a unique id for the type typ and caches it in the table,
// if it's seeing it for the first time.
//
// N.B. typ must be kept alive forever for this to work correctly.
func (t *traceTypeTable) put(typ *abi.Type) uint64 { … }

// dump writes all previously cached types to trace buffers and
// releases all memory and resets state. It must only be called once the caller
// can guarantee that there are no more writers to the table.
func (t *traceTypeTable) dump(gen uintptr) { … }

func dumpTypesRec(node *traceMapNode, w traceWriter) traceWriter { … }