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29 lines
663 B
ArmAsm
29 lines
663 B
ArmAsm
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// Copyright 2022 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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#include "textflag.h"
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// func Syscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr)
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TEXT ยทSyscall6(SB),NOSPLIT,$0-80
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MOVD num+0(FP), R1 // syscall entry
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MOVD a1+8(FP), R2
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MOVD a2+16(FP), R3
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MOVD a3+24(FP), R4
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MOVD a4+32(FP), R5
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MOVD a5+40(FP), R6
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MOVD a6+48(FP), R7
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SYSCALL
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MOVD $0xfffffffffffff001, R8
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CMPUBLT R2, R8, ok
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MOVD $-1, r1+56(FP)
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MOVD $0, r2+64(FP)
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NEG R2, R2
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MOVD R2, errno+72(FP)
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RET
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ok:
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MOVD R2, r1+56(FP)
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MOVD R3, r2+64(FP)
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MOVD $0, errno+72(FP)
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RET
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