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) 8TEXT ·Syscall6(SB),NOSPLIT,$0-80 9 MOVD num+0(FP), R1 // syscall entry 10 MOVD a1+8(FP), R2 11 MOVD a2+16(FP), R3 12 MOVD a3+24(FP), R4 13 MOVD a4+32(FP), R5 14 MOVD a5+40(FP), R6 15 MOVD a6+48(FP), R7 16 SYSCALL 17 MOVD $0xfffffffffffff001, R8 18 CMPUBLT R2, R8, ok 19 MOVD $-1, r1+56(FP) 20 MOVD $0, r2+64(FP) 21 NEG R2, R2 22 MOVD R2, errno+72(FP) 23 RET 24ok: 25 MOVD R2, r1+56(FP) 26 MOVD R3, r2+64(FP) 27 MOVD $0, errno+72(FP) 28 RET 29