asm_linux_arm64.s raw

   1  // Copyright 2022 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 "textflag.h"
   6  
   7  // func Syscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr)
   8  TEXT ·Syscall6(SB),NOSPLIT,$0-80
   9  	MOVD	num+0(FP), R8	// syscall entry
  10  	MOVD	a1+8(FP), R0
  11  	MOVD	a2+16(FP), R1
  12  	MOVD	a3+24(FP), R2
  13  	MOVD	a4+32(FP), R3
  14  	MOVD	a5+40(FP), R4
  15  	MOVD	a6+48(FP), R5
  16  	SVC
  17  	CMN	$4095, R0
  18  	BCC	ok
  19  	MOVD	$-1, R4
  20  	MOVD	R4, r1+56(FP)
  21  	MOVD	ZR, r2+64(FP)
  22  	NEG	R0, R0
  23  	MOVD	R0, errno+72(FP)
  24  	RET
  25  ok:
  26  	MOVD	R0, r1+56(FP)
  27  	MOVD	R1, r2+64(FP)
  28  	MOVD	ZR, errno+72(FP)
  29  	RET
  30