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// 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
MOVV num+0(FP), R11 // syscall entry
MOVV a1+8(FP), R4
MOVV a2+16(FP), R5
MOVV a3+24(FP), R6
MOVV a4+32(FP), R7
MOVV a5+40(FP), R8
MOVV a6+48(FP), R9
SYSCALL
MOVW $-4096, R12
BGEU R12, R4, ok
MOVV $-1, R12
MOVV R12, r1+56(FP)
MOVV R0, r2+64(FP)
SUBVU R4, R0, R4
MOVV R4, errno+72(FP)
RET
ok:
MOVV R4, r1+56(FP)
MOVV R0, r2+64(FP) // r2 is not used. Always set to 0.
MOVV R0, errno+72(FP)
RET
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