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// Copyright 2016 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 dragonfly || freebsd || netbsd
#include "textflag.h"
#include "funcdata.h"
//
// Syscall9 support for AMD64, DragonFly, FreeBSD and NetBSD
//
// func Syscall9(trap int64, a1, a2, a3, a4, a5, a6, a7, a8, a9 int64) (r1, r2, err int64);
TEXT ·Syscall9(SB),NOSPLIT,$32-104
NO_LOCAL_POINTERS
CALL runtime·entersyscall<ABIInternal>(SB)
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
MOVQ a7+56(FP), R11
MOVQ a8+64(FP), R12
MOVQ a9+72(FP), R13
// only the first 6 arguments can be passed in registers,
// the last three should be placed at the top of the stack.
MOVQ R11, 8(SP) // arg 7
MOVQ R12, 16(SP) // arg 8
MOVQ R13, 24(SP) // arg 9
SYSCALL
JCC ok9
MOVQ $-1, r1+80(FP) // r1
MOVQ $0, r2+88(FP) // r2
MOVQ AX, err+96(FP) // errno
CALL runtime·exitsyscall<ABIInternal>(SB)
RET
ok9:
MOVQ AX, r1+80(FP) // r1
MOVQ DX, r2+88(FP) // r2
MOVQ $0, err+96(FP) // errno
CALL runtime·exitsyscall<ABIInternal>(SB)
RET