From 92fb0a00c2c0bbc2efda09fb65918d108e3ed8cb Mon Sep 17 00:00:00 2001 From: Vladimir Stefanovic Date: Thu, 15 Dec 2016 17:22:30 +0100 Subject: [PATCH] misc/cgo/test: add mipsx test case for #9400 Change-Id: I7d0bc5093943b0744d865e91517ff6292f3b2f89 Reviewed-on: https://go-review.googlesource.com/34510 Run-TryBot: Cherry Zhang TryBot-Result: Gobot Gobot Reviewed-by: Cherry Zhang --- misc/cgo/test/issue9400/asm_mipsx.s | 31 +++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 misc/cgo/test/issue9400/asm_mipsx.s diff --git a/misc/cgo/test/issue9400/asm_mipsx.s b/misc/cgo/test/issue9400/asm_mipsx.s new file mode 100644 index 0000000000..ddf33e9f8e --- /dev/null +++ b/misc/cgo/test/issue9400/asm_mipsx.s @@ -0,0 +1,31 @@ +// 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 +// +build !gccgo + +#include "textflag.h" + +TEXT ·RewindAndSetgid(SB),NOSPLIT,$-4-0 + // Rewind stack pointer so anything that happens on the stack + // will clobber the test pattern created by the caller + ADDU $(1024*8), R29 + + // Ask signaller to setgid + MOVW $1, R1 + SYNC + MOVW R1, ·Baton(SB) + SYNC + + // Wait for setgid completion +loop: + SYNC + MOVW ·Baton(SB), R1 + OR R2, R2, R2 // hint that we're in a spin loop + BNE R1, loop + SYNC + + // Restore stack + ADDU $(-1024*8), R29 + RET -- 2.50.0