tls_mips64x.s

     1  // Copyright 2015 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build mips64 || mips64le
     6  
     7  #include "go_asm.h"
     8  #include "go_tls.h"
     9  #include "funcdata.h"
    10  #include "textflag.h"
    11  
    12  // If !iscgo, this is a no-op.
    13  //
    14  // NOTE: mcall() assumes this clobbers only R23 (REGTMP).
    15  TEXT runtime·save_g(SB),NOSPLIT|NOFRAME,$0-0
    16  	MOVB	runtime·iscgo(SB), R23
    17  	BEQ	R23, nocgo
    18  
    19  	MOVV	R3, R23	// save R3
    20  	MOVV	g, runtime·tls_g(SB) // TLS relocation clobbers R3
    21  	MOVV	R23, R3	// restore R3
    22  
    23  nocgo:
    24  	RET
    25  
    26  TEXT runtime·load_g(SB),NOSPLIT|NOFRAME,$0-0
    27  	MOVV	runtime·tls_g(SB), g // TLS relocation clobbers R3
    28  	RET
    29  
    30  GLOBL runtime·tls_g(SB), TLSBSS, $8
    31
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