| // 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. |
| |
| //go:build linux && (mips || mipsle) |
| |
| #include "textflag.h" |
| |
| // func Syscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr) |
| // |
| // The 5th and 6th arg go at sp+16, sp+20. |
| // Note that frame size of 20 means that 24 bytes gets reserved on stack. |
| TEXT ·Syscall6(SB),NOSPLIT,$20-40 |
| MOVW num+0(FP), R2 // syscall entry |
| MOVW a1+4(FP), R4 |
| MOVW a2+8(FP), R5 |
| MOVW a3+12(FP), R6 |
| MOVW a4+16(FP), R7 |
| MOVW a5+20(FP), R8 |
| MOVW a6+24(FP), R9 |
| MOVW R8, 16(R29) |
| MOVW R9, 20(R29) |
| MOVW R0, R3 // reset R3 to 0 as 1-ret SYSCALL keeps it |
| SYSCALL |
| BEQ R7, ok |
| MOVW $-1, R1 |
| MOVW R1, r1+28(FP) |
| MOVW R0, r2+32(FP) |
| MOVW R2, errno+36(FP) |
| RET |
| ok: |
| MOVW R2, r1+28(FP) |
| MOVW R3, r2+32(FP) |
| MOVW R0, errno+36(FP) |
| RET |
