blob: 397919aeba23635de78464a453de036d84a39ea9 [file] [log] [blame]
// 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"
// If !iscgo, this is a no-op.
//
// NOTE: mcall() assumes this clobbers only X31 (REG_TMP).
TEXT runtime·save_g(SB),NOSPLIT|NOFRAME,$0-0
MOVB runtime·iscgo(SB), X31
BEQ X0, X31, nocgo
MOV runtime·tls_g(SB), X31
ADD TP, X31 // add offset to thread pointer (X4)
MOV g, (X31)
nocgo:
RET
TEXT runtime·load_g(SB),NOSPLIT|NOFRAME,$0-0
MOV runtime·tls_g(SB), X31
ADD TP, X31 // add offset to thread pointer (X4)
MOV (X31), g
RET
GLOBL runtime·tls_g(SB), TLSBSS, $8