vendor dependencies, make some changes to how input is done

vendor/github.com/ebitengine/purego/dlfcn_stubs.s

@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2022 The Ebitengine Authors
+
+//go:build darwin || !cgo && (freebsd ||  linux)
+
+#include "textflag.h"
+
+// func dlopen(path *byte, mode int) (ret uintptr)
+TEXT dlopen(SB), NOSPLIT|NOFRAME, $0-0
+	JMP purego_dlopen(SB)
+	RET
+
+// func dlsym(handle uintptr, symbol *byte) (ret uintptr)
+TEXT dlsym(SB), NOSPLIT|NOFRAME, $0-0
+	JMP purego_dlsym(SB)
+	RET
+
+// func dlerror() (ret *byte)
+TEXT dlerror(SB), NOSPLIT|NOFRAME, $0-0
+	JMP purego_dlerror(SB)
+	RET
+
+// func dlclose(handle uintptr) (ret int)
+TEXT dlclose(SB), NOSPLIT|NOFRAME, $0-0
+	JMP purego_dlclose(SB)
+	RET