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 //go:build linux && (mips64 || mips64le)
6
7 #include "textflag.h"
8
9 // func Syscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr)
10 TEXT ·Syscall6(SB),NOSPLIT,$0-80
11 MOVV num+0(FP), R2 // syscall entry
12 MOVV a1+8(FP), R4
13 MOVV a2+16(FP), R5
14 MOVV a3+24(FP), R6
15 MOVV a4+32(FP), R7
16 MOVV a5+40(FP), R8
17 MOVV a6+48(FP), R9
18 MOVV R0, R3 // reset R3 to 0 as 1-ret SYSCALL keeps it
19 SYSCALL
20 BEQ R7, ok
21 MOVV $-1, R1
22 MOVV R1, r1+56(FP)
23 MOVV R0, r2+64(FP)
24 MOVV R2, errno+72(FP)
25 RET
26 ok:
27 MOVV R2, r1+56(FP)
28 MOVV R3, r2+64(FP)
29 MOVV R0, errno+72(FP)
30 RET
31
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