diff options
Diffstat (limited to 'misc/cgo/test/issue9400/asm_loong64.s')
| -rw-r--r-- | misc/cgo/test/issue9400/asm_loong64.s | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/misc/cgo/test/issue9400/asm_loong64.s b/misc/cgo/test/issue9400/asm_loong64.s new file mode 100644 index 0000000..c242fc6 --- /dev/null +++ b/misc/cgo/test/issue9400/asm_loong64.s @@ -0,0 +1,28 @@ +// Copyright 2022 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. + +#include "textflag.h" + +TEXT ·RewindAndSetgid(SB),NOSPLIT|NOFRAME,$0-0 + // Rewind stack pointer so anything that happens on the stack + // will clobber the test pattern created by the caller + ADDV $(1024*8), R3 + + // Ask signaller to setgid + MOVW $1, R12 + DBAR + MOVW R12, ·Baton(SB) + DBAR + + // Wait for setgid completion +loop: + DBAR + MOVW ·Baton(SB), R12 + OR R13, R13, R13 // hint that we're in a spin loop + BNE R12, loop + DBAR + + // Restore stack + ADDV $(-1024*8), R3 + RET |