moduledata.Grow(moduledata.Size())

	lastmoduledatap := ldr.CreateSymForUpdate("runtime.lastmoduledatap", 0)
	if lastmoduledatap.Type() != sym.SDYNIMPORT {
		lastmoduledatap.SetType(sym.SNOPTRDATA)
		lastmoduledatap.SetSize(0) // overwrite existing value
		lastmoduledatap.SetData(nil)
		lastmoduledatap.AddAddr(ctxt.Arch, moduledata.Sym())
	}
	return symGroupType
}

var firstmoduledata moduledata // linker symbol

// lastmoduledatap should be an internal detail,
// but widely used packages access it using linkname.
// Notable members of the hall of shame include:
//   - github.com/cloudwego/frugal
//
// Do not remove or change the type signature.
// See go.dev/issue/67401.
//
//go:linkname lastmoduledatap
var lastmoduledatap *moduledata // linker symbol