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https://github.com/golang/go
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72180c3b82
Fixes #10560 Change-Id: Iedffd9c236c4fbb386c3afc52c5a1457f96ef122 Reviewed-on: https://go-review.googlesource.com/13991 Reviewed-by: David Crawshaw <crawshaw@golang.org>
50 lines
938 B
ArmAsm
50 lines
938 B
ArmAsm
// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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#include "go_asm.h"
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#include "go_tls.h"
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#include "funcdata.h"
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#include "textflag.h"
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#include "tls_arm64.h"
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TEXT runtime·load_g(SB),NOSPLIT,$0
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MOVB runtime·iscgo(SB), R0
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CMP $0, R0
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BEQ nocgo
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MRS_TPIDR_R0
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#ifdef GOOS_darwin
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// Darwin sometimes returns unaligned pointers
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AND $0xfffffffffffffff8, R0
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#endif
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MOVD runtime·tls_g(SB), R27
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ADD R27, R0
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MOVD 0(R0), g
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nocgo:
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RET
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TEXT runtime·save_g(SB),NOSPLIT,$0
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MOVB runtime·iscgo(SB), R0
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CMP $0, R0
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BEQ nocgo
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MRS_TPIDR_R0
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#ifdef GOOS_darwin
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// Darwin sometimes returns unaligned pointers
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AND $0xfffffffffffffff8, R0
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#endif
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MOVD runtime·tls_g(SB), R27
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ADD R27, R0
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MOVD g, 0(R0)
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nocgo:
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RET
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#ifdef TLSG_IS_VARIABLE
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GLOBL runtime·tls_g+0(SB), NOPTR, $8
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#else
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GLOBL runtime·tls_g+0(SB), TLSBSS, $8
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#endif
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