diff options
Diffstat (limited to 'misc/cgo/test/issue9400/asm_s390x.s')
| -rw-r--r-- | misc/cgo/test/issue9400/asm_s390x.s | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/misc/cgo/test/issue9400/asm_s390x.s b/misc/cgo/test/issue9400/asm_s390x.s new file mode 100644 index 0000000..4856492 --- /dev/null +++ b/misc/cgo/test/issue9400/asm_s390x.s @@ -0,0 +1,26 @@ +// 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 gc + +#include "textflag.h" + +TEXT ·RewindAndSetgid(SB),NOSPLIT,$0-0 + // Rewind stack pointer so anything that happens on the stack + // will clobber the test pattern created by the caller + ADD $(1024 * 8), R15 + + // Ask signaller to setgid + MOVD $·Baton(SB), R5 + MOVW $1, 0(R5) + + // Wait for setgid completion +loop: + SYNC + MOVW ·Baton(SB), R3 + CMPBNE R3, $0, loop + + // Restore stack + SUB $(1024 * 8), R15 + RET |