vendor dependencies, make some changes to how input is done

vendor/github.com/ebitengine/purego/internal/fakecgo/asm_arm64.s

@@ -0,0 +1,36 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include "textflag.h"
+#include "abi_arm64.h"
+
+// Called by C code generated by cmd/cgo.
+// func crosscall2(fn, a unsafe.Pointer, n int32, ctxt uintptr)
+// Saves C callee-saved registers and calls cgocallback with three arguments.
+// fn is the PC of a func(a unsafe.Pointer) function.
+TEXT crosscall2(SB), NOSPLIT|NOFRAME, $0
+/*
+ * We still need to save all callee save register as before, and then
+ *  push 3 args for fn (R0, R1, R3), skipping R2.
+ * Also note that at procedure entry in gc world, 8(RSP) will be the
+ *  first arg.
+ */
+	SUB  $(8*24), RSP
+	STP  (R0, R1), (8*1)(RSP)
+	MOVD R3, (8*3)(RSP)
+
+	SAVE_R19_TO_R28(8*4)
+	SAVE_F8_TO_F15(8*14)
+	STP (R29, R30), (8*22)(RSP)
+
+	// Initialize Go ABI environment
+	BL runtime·load_g(SB)
+	BL runtime·cgocallback(SB)
+
+	RESTORE_R19_TO_R28(8*4)
+	RESTORE_F8_TO_F15(8*14)
+	LDP (8*22)(RSP), (R29, R30)
+
+	ADD $(8*24), RSP
+	RET