From 73df946d56c74384511a194dd01dbe099584fd1a Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 15:14:23 +0200
Subject: Adding upstream version 1.16.10.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/runtime/cgo/asm_mipsx.s | 75 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 src/runtime/cgo/asm_mipsx.s

(limited to 'src/runtime/cgo/asm_mipsx.s')

diff --git a/src/runtime/cgo/asm_mipsx.s b/src/runtime/cgo/asm_mipsx.s
new file mode 100644
index 0000000..1127c8b
--- /dev/null
+++ b/src/runtime/cgo/asm_mipsx.s
@@ -0,0 +1,75 @@
+// 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"
+
+// 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 (R4, R5, R7), skipping R6.
+	 * Also note that at procedure entry in gc world, 4(R29) will be the
+	 *  first arg.
+	 */
+
+	// Space for 9 caller-saved GPR + LR + 6 caller-saved FPR.
+	// O32 ABI allows us to smash 16 bytes argument area of caller frame.
+#ifndef GOMIPS_softfloat
+	SUBU	$(4*14+8*6-16), R29
+#else
+	SUBU	$(4*14-16), R29	// For soft-float, no FPR.
+#endif
+	MOVW	R4, (4*1)(R29)	// fn unsafe.Pointer
+	MOVW	R5, (4*2)(R29)	// a unsafe.Pointer
+	MOVW	R7, (4*3)(R29)	// ctxt uintptr
+	MOVW	R16, (4*4)(R29)
+	MOVW	R17, (4*5)(R29)
+	MOVW	R18, (4*6)(R29)
+	MOVW	R19, (4*7)(R29)
+	MOVW	R20, (4*8)(R29)
+	MOVW	R21, (4*9)(R29)
+	MOVW	R22, (4*10)(R29)
+	MOVW	R23, (4*11)(R29)
+	MOVW	g, (4*12)(R29)
+	MOVW	R31, (4*13)(R29)
+#ifndef GOMIPS_softfloat
+	MOVD	F20, (4*14)(R29)
+	MOVD	F22, (4*14+8*1)(R29)
+	MOVD	F24, (4*14+8*2)(R29)
+	MOVD	F26, (4*14+8*3)(R29)
+	MOVD	F28, (4*14+8*4)(R29)
+	MOVD	F30, (4*14+8*5)(R29)
+#endif
+	JAL	runtime·load_g(SB)
+
+	JAL	runtime·cgocallback(SB)
+
+	MOVW	(4*4)(R29), R16
+	MOVW	(4*5)(R29), R17
+	MOVW	(4*6)(R29), R18
+	MOVW	(4*7)(R29), R19
+	MOVW	(4*8)(R29), R20
+	MOVW	(4*9)(R29), R21
+	MOVW	(4*10)(R29), R22
+	MOVW	(4*11)(R29), R23
+	MOVW	(4*12)(R29), g
+	MOVW	(4*13)(R29), R31
+#ifndef GOMIPS_softfloat
+	MOVD	(4*14)(R29), F20
+	MOVD	(4*14+8*1)(R29), F22
+	MOVD	(4*14+8*2)(R29), F24
+	MOVD	(4*14+8*3)(R29), F26
+	MOVD	(4*14+8*4)(R29), F28
+	MOVD	(4*14+8*5)(R29), F30
+
+	ADDU	$(4*14+8*6-16), R29
+#else
+	ADDU	$(4*14-16), R29
+#endif
+	RET
-- 
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