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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)
//
// Syscall # in AX, args in DI SI DX R10 R8 R9, return in AX DX.
//
// Note that this differs from "standard" ABI convention, which would pass 4th
// arg in CX, not R10.
TEXT ·Syscall6(SB),NOSPLIT,$0-80
MOVQ num+0(FP), AX // syscall entry
MOVQ a1+8(FP), DI
MOVQ a2+16(FP), SI
MOVQ a3+24(FP), DX
MOVQ a4+32(FP), R10
MOVQ a5+40(FP), R8
MOVQ a6+48(FP), R9
SYSCALL
CMPQ AX, $0xfffffffffffff001
JLS ok
MOVQ $-1, r1+56(FP)
MOVQ $0, r2+64(FP)
NEGQ AX
MOVQ AX, errno+72(FP)
RET
ok:
MOVQ AX, r1+56(FP)
MOVQ DX, r2+64(FP)
MOVQ $0, errno+72(FP)
RET
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