tls_riscv64.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  #include "go_asm.h"
     6  #include "go_tls.h"
     7  #include "funcdata.h"
     8  #include "textflag.h"
     9  
    10  // If !iscgo, this is a no-op.
    11  //
    12  // NOTE: mcall() assumes this clobbers only X31 (REG_TMP).
    13  TEXT runtime·save_g(SB),NOSPLIT|NOFRAME,$0-0
    14  #ifndef GOOS_openbsd
    15  	MOVB	runtime·iscgo(SB), X31
    16  	BEQZ	X31, nocgo
    17  #endif
    18  	MOV	g, runtime·tls_g(SB)
    19  nocgo:
    20  	RET
    21  
    22  TEXT runtime·load_g(SB),NOSPLIT|NOFRAME,$0-0
    23  	MOV	runtime·tls_g(SB), g
    24  	RET
    25  
    26  GLOBL runtime·tls_g(SB), TLSBSS, $8
    27
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