reflect: add support for GOARCH=mips{,le}

Change-Id: I8b0c4bfe1e4c401d5c36a51b937671e6362c73a4
Reviewed-on: https://go-review.googlesource.com/31485Reviewed-by: Cherry Zhang <cherryyz@google.com>

src/reflect/asm_mipsx.s

+// Copyright 2016 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.
+
+// +build mips mipsle
+
+#include "textflag.h"
+#include "funcdata.h"
+
+#define	REGCTXT	R22
+
+// makeFuncStub is the code half of the function returned by MakeFunc.
+// See the comment on the declaration of makeFuncStub in makefunc.go
+// for more details.
+// No arg size here, runtime pulls arg map out of the func value.
+TEXT ·makeFuncStub(SB),(NOSPLIT|WRAPPER),$8
+	NO_LOCAL_POINTERS
+	MOVW	REGCTXT, 4(R29)
+	MOVW	$argframe+0(FP), R1
+	MOVW	R1, 8(R29)
+	JAL	·callReflect(SB)
+	RET
+
+// methodValueCall is the code half of the function returned by makeMethodValue.
+// See the comment on the declaration of methodValueCall in makefunc.go
+// for more details.
+// No arg size here; runtime pulls arg map out of the func value.
+TEXT ·methodValueCall(SB),(NOSPLIT|WRAPPER),$8
+	NO_LOCAL_POINTERS
+	MOVW	REGCTXT, 4(R29)
+	MOVW	$argframe+0(FP), R1
+	MOVW	R1, 8(R29)
+	JAL	·callMethod(SB)
+	RET