// intended to be called by debuggers.
	MOVQ	$runtime·debugPinnerV1<ABIInternal>(SB), AX
	MOVQ	$runtime·debugCallV2<ABIInternal>(SB), AX
	RET

// mainPC is a function value for runtime.main, to be passed to newproc.
// The reference to runtime.main is made via ABIInternal, since the
// actual function (not the ABI0 wrapper) is needed by newproc.

	addAddrPlus := loader.GenAddAddrPlusFunc(internalExec)

	fsu.AddBytes(zeros[:pad])

	var deltaBuf []byte
	pcsp := obj.NewPCIter(uint32(d.arch.MinLC))
	for _, s := range d.linkctxt.Textp {
		fn := loader.Sym(s)
		fi := d.ldr.FuncInfo(fn)
		if !fi.Valid() {
			continue
		}
		fpcsp := d.ldr.Pcsp(s)

		// Emit a FDE, Section 6.4.1.