1 files changed, 62 insertions, 0 deletions
diff --git a/src/runtime/tls_arm64.s b/src/runtime/tls_arm64.s
new file mode 100644
index 0000000..52b3e8f
--- /dev/null
+++ b/src/runtime/tls_arm64.s
@@ -0,0 +1,62 @@
+// Copyright 2015 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 "go_asm.h"
+#include "go_tls.h"
+#include "funcdata.h"
+#include "textflag.h"
+#include "tls_arm64.h"
+
+TEXT runtime·load_g(SB),NOSPLIT,$0
+#ifndef GOOS_darwin
+#ifndef GOOS_openbsd
+#ifndef GOOS_windows
+	MOVB	runtime·iscgo(SB), R0
+	CBZ	R0, nocgo
+#endif
+#endif
+#endif
+
+	MRS_TPIDR_R0
+#ifdef TLS_darwin
+	// Darwin sometimes returns unaligned pointers
+	AND	$0xfffffffffffffff8, R0
+#endif
+	MOVD	runtime·tls_g(SB), R27
+	MOVD	(R0)(R27), g
+
+nocgo:
+	RET
+
+TEXT runtime·save_g(SB),NOSPLIT,$0
+#ifndef GOOS_darwin
+#ifndef GOOS_openbsd
+#ifndef GOOS_windows
+	MOVB	runtime·iscgo(SB), R0
+	CBZ	R0, nocgo
+#endif
+#endif
+#endif
+
+	MRS_TPIDR_R0
+#ifdef TLS_darwin
+	// Darwin sometimes returns unaligned pointers
+	AND	$0xfffffffffffffff8, R0
+#endif
+	MOVD	runtime·tls_g(SB), R27
+	MOVD	g, (R0)(R27)
+
+nocgo:
+	RET
+
+#ifdef TLSG_IS_VARIABLE
+#ifdef GOOS_android
+// Use the free TLS_SLOT_APP slot #2 on Android Q.
+// Earlier androids are set up in gcc_android.c.
+DATA runtime·tls_g+0(SB)/8, $16
+#endif
+GLOBL runtime·tls_g+0(SB), NOPTR, $8
+#else
+GLOBL runtime·tls_g+0(SB), TLSBSS, $8
+#endif