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 MOV num+0(FP), A7 // syscall entry
10 MOV a1+8(FP), A0
11 MOV a2+16(FP), A1
12 MOV a3+24(FP), A2
13 MOV a4+32(FP), A3
14 MOV a5+40(FP), A4
15 MOV a6+48(FP), A5
16 ECALL
17 MOV $-4096, T0
18 BLTU T0, A0, err
19 MOV A0, r1+56(FP)
20 MOV A1, r2+64(FP)
21 MOV ZERO, errno+72(FP)
22 RET
23 err:
24 MOV $-1, T0
25 MOV T0, r1+56(FP)
26 MOV ZERO, r2+64(FP)
27 SUB A0, ZERO, A0
28 MOV A0, errno+72(FP)
29 RET
30
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