1// Copyright 2015 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5#include "go_asm.h"
6#include "go_tls.h"
7#include "funcdata.h"
8#include "textflag.h"
9
10// If !iscgo, this is a no-op.
11//
12// NOTE: mcall() assumes this clobbers only X31 (REG_TMP).
13TEXT runtime·save_g(SB),NOSPLIT|NOFRAME,$0-0
14#ifndef GOOS_openbsd
15	MOVB	runtime·iscgo(SB), X31
16	BEQZ	X31, nocgo
17#endif
18	MOV	g, runtime·tls_g(SB)
19nocgo:
20	RET
21
22TEXT runtime·load_g(SB),NOSPLIT|NOFRAME,$0-0
23	MOV	runtime·tls_g(SB), g
24	RET
25
26GLOBL runtime·tls_g(SB), TLSBSS, $8
27