//go:linkname msanwrite
//go:noescape
func msanwrite(addr unsafe.Pointer, sz uintptr)

//go:linkname msanmalloc
//go:noescape
func msanmalloc(addr unsafe.Pointer, sz uintptr)

//go:linkname msanfree
//go:noescape
func msanfree(addr unsafe.Pointer, sz uintptr)

//go:linkname msanmove
//go:noescape
func msanmove(dst, src unsafe.Pointer, sz uintptr)

// These are called from msan_GOARCH.s
//

//go:linkname Write runtime.msanwrite
func Write(addr unsafe.Pointer, sz uintptr)

//go:linkname Malloc runtime.msanmalloc
func Malloc(addr unsafe.Pointer, sz uintptr)

//go:linkname Free runtime.msanfree
func Free(addr unsafe.Pointer, sz uintptr)

//go:linkname Move runtime.msanmove

	tl.eventWriter(traceGoRunning, traceProcRunning).commit(traceEvSpanAlloc, traceSpanID(s), traceArg(s.npages), traceSpanTypeAndClass(s))
}

// SpanFree records an event indicating that the span is about to be freed.
func (tl traceLocker) SpanFree(s *mspan) {
	tl.eventWriter(traceGoRunning, traceProcRunning).commit(traceEvSpanFree, traceSpanID(s))
}

// traceSpanID creates a trace ID for the span s for the trace.