mirror of https://go.googlesource.com/go
27 lines
615 B
ArmAsm
27 lines
615 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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// If !iscgo, this is a no-op.
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//
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// NOTE: mcall() assumes this clobbers only X31 (REG_TMP).
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TEXT runtime·save_g(SB),NOSPLIT|NOFRAME,$0-0
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#ifndef GOOS_openbsd
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MOVB runtime·iscgo(SB), X31
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BEQZ X31, nocgo
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#endif
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MOV g, runtime·tls_g(SB)
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nocgo:
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RET
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TEXT runtime·load_g(SB),NOSPLIT|NOFRAME,$0-0
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MOV runtime·tls_g(SB), g
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RET
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GLOBL runtime·tls_g(SB), TLSBSS, $8
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