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 && (mips || mipsle)
6
7 #include "textflag.h"
8
9 // func Syscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr)
10 //
11 // The 5th and 6th arg go at sp+16, sp+20.
12 // Note that frame size of 20 means that 24 bytes gets reserved on stack.
13 TEXT ·Syscall6(SB),NOSPLIT,$20-40
14 MOVW num+0(FP), R2 // syscall entry
15 MOVW a1+4(FP), R4
16 MOVW a2+8(FP), R5
17 MOVW a3+12(FP), R6
18 MOVW a4+16(FP), R7
19 MOVW a5+20(FP), R8
20 MOVW a6+24(FP), R9
21 MOVW R8, 16(R29)
22 MOVW R9, 20(R29)
23 SYSCALL
24 BEQ R7, ok
25 MOVW $-1, R1
26 MOVW R1, r1+28(FP)
27 MOVW R0, r2+32(FP)
28 MOVW R2, errno+36(FP)
29 RET
30 ok:
31 MOVW R2, r1+28(FP)
32 MOVW R3, r2+32(FP)
33 MOVW R0, errno+36(FP)
34 RET
35
View as plain text