n = 2
		if inVDSOPage(pc) {
			pc = abi.FuncPCABIInternal(_VDSO) + sys.PCQuantum
		} else if pc > firstmoduledata.etext {
			// "ExternalCode" is better than "etext".
			pc = abi.FuncPCABIInternal(_ExternalCode) + sys.PCQuantum
		}
		stk[0] = pc
		if mp.preemptoff != "" {
			stk[1] = abi.FuncPCABIInternal(_GC) + sys.PCQuantum
		} else {
			stk[1] = abi.FuncPCABIInternal(_System) + sys.PCQuantum
		}
	}

func gostartcallfn(gobuf *gobuf, fv *funcval) {
	var fn unsafe.Pointer
	if fv != nil {
		fn = unsafe.Pointer(fv.fn)
	} else {
		fn = unsafe.Pointer(abi.FuncPCABIInternal(nilfunc))
	}
	gostartcall(gobuf, fn, unsafe.Pointer(fv))
}

// isShrinkStackSafe returns whether it's safe to attempt to shrink
// gp's stack. Shrinking the stack is only safe when we have precise

// findInlinedCall returns the PC of an inlined function call within
// the function body for the function f if any.
func findInlinedCall(f any, maxBytes int) (pc uint64, found bool) {
	fFunc := runtime.FuncForPC(uintptr(abi.FuncPCABIInternal(f)))
	if fFunc == nil || fFunc.Entry() == 0 {
		panic("failed to locate function entry")
	}

	for offset := 0; offset < maxBytes; offset++ {
		innerPC := fFunc.Entry() + uintptr(offset)

						// TODO(sbinet).  Issue 15924.
						panic("reflect: embedded interface with unexported method(s) not implemented")
					}

					fnStub := resolveReflectText(unsafe.Pointer(abi.FuncPCABIInternal(embeddedIfaceMethStub)))
					methods = append(methods, abi.Method{
						Name: resolveReflectName(ift.nameOff(m.Name)),
						Mtyp: resolveReflectType(ift.typeOff(m.Typ)),
						Ifn:  fnStub,