Current File : //usr/local/go/src/runtime/tls_arm64.s
// 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
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