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-rw-r--r--misc/cgo/test/testdata/issue9400/asm_386.s27
1 files changed, 27 insertions, 0 deletions
diff --git a/misc/cgo/test/testdata/issue9400/asm_386.s b/misc/cgo/test/testdata/issue9400/asm_386.s
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+// Copyright 2014 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 gc
+
+#include "textflag.h"
+
+TEXT ·RewindAndSetgid(SB),NOSPLIT,$0-0
+ MOVL $·Baton(SB), BX
+ // Rewind stack pointer so anything that happens on the stack
+ // will clobber the test pattern created by the caller
+ ADDL $(1024 * 8), SP
+
+ // Ask signaller to setgid
+ MOVL $1, (BX)
+
+ // Wait for setgid completion
+loop:
+ PAUSE
+ MOVL (BX), AX
+ CMPL AX, $0
+ JNE loop
+
+ // Restore stack
+ SUBL $(1024 * 8), SP
+ RET