func (f *Func) Sym() *types.Sym                  { return f.Nname.Sym() }
func (f *Func) Linksym() *obj.LSym               { return f.Nname.Linksym() }
func (f *Func) LinksymABI(abi obj.ABI) *obj.LSym { return f.Nname.LinksymABI(abi) }

// An Inline holds fields used for function bodies that can be inlined.
type Inline struct {
	Cost int32 // heuristic cost of inlining this function

			// frame layout. Pin it to ABI0.
			fn.ABI = obj.ABI0
			// Propagate linkname attribute, which was set on the ABIInternal
			// symbol.
			if sym.Linksym().IsLinkname() {
				sym.LinksymABI(fn.ABI).Set(obj.AttrLinkname, true)
			}
		}

		// If cgo-exported, add the definition ABI to the cgo
		// pragmas.
		cgoExport := cgoExports[symName]
		for _, pprag := range cgoExport {

		if len(interfaceCases) > 0 {

			// Build an internal/abi.InterfaceSwitch descriptor to pass to the runtime.
			lsym := types.LocalPkg.Lookup(fmt.Sprintf(".interfaceSwitch.%d", interfaceSwitchGen)).LinksymABI(obj.ABI0)
			interfaceSwitchGen++
			c := rttype.NewCursor(lsym, 0, rttype.InterfaceSwitch)
			c.Field("Cache").WritePtr(typecheck.LookupRuntimeVar("emptyInterfaceSwitchCache"))

	// When converting from an interface to a non-empty interface. Needs a runtime call.
	// Allocate an internal/abi.TypeAssert descriptor for that call.
	lsym := types.LocalPkg.Lookup(fmt.Sprintf(".typeAssert.%d", typeAssertGen)).LinksymABI(obj.ABI0)
	typeAssertGen++
	c := rttype.NewCursor(lsym, 0, rttype.TypeAssert)
	c.Field("Cache").WritePtr(typecheck.LookupRuntimeVar("emptyTypeAssertCache"))
	c.Field("Inter").WritePtr(reflectdata.TypeLinksym(target))