sb := ldr.MakeSymbolUpdater(s)
			sb.SetType(sym.SXCOFFTOC)
		}
	}

	if ctxt.IsExternal() {
		// Change rt0_go name to match name in runtime/cgo:main().
		rt0 := ldr.Lookup("runtime.rt0_go", 0)
		ldr.SetSymExtname(rt0, "runtime_rt0_go")

		nsym := loader.Sym(ldr.NSym())
		for s := loader.Sym(1); s < nsym; s++ {
			if !ldr.AttrCgoExport(s) {
				continue
			}
			if ldr.IsFileLocal(s) {