| // Copyright 2022 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| #include "textflag.h" |
| |
| // func Syscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr) |
| TEXT ·Syscall6(SB),NOSPLIT,$0-80 |
| MOVD num+0(FP), R1 // syscall entry |
| MOVD a1+8(FP), R2 |
| MOVD a2+16(FP), R3 |
| MOVD a3+24(FP), R4 |
| MOVD a4+32(FP), R5 |
| MOVD a5+40(FP), R6 |
| MOVD a6+48(FP), R7 |
| SYSCALL |
| MOVD $0xfffffffffffff001, R8 |
| CMPUBLT R2, R8, ok |
| MOVD $-1, r1+56(FP) |
| MOVD $0, r2+64(FP) |
| NEG R2, R2 |
| MOVD R2, errno+72(FP) |
| RET |
| ok: |
| MOVD R2, r1+56(FP) |
| MOVD R3, r2+64(FP) |
| MOVD $0, errno+72(FP) |
| RET |
