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5c45fe1385
All code in internal/runtime/syscall is Linux-specific, so better move it to a new linux sub-directory. This way it will be easier to factor out runtime syscall code from other platforms, e.g. Windows. Updates #51087. Change-Id: Idd2a52444b33bf3ad576b47fd232e990cdc8ae75 Reviewed-on: https://go-review.googlesource.com/c/go/+/689155 Reviewed-by: Michael Knyszek <mknyszek@google.com> Reviewed-by: Michael Pratt <mpratt@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
30 lines
724 B
ArmAsm
30 lines
724 B
ArmAsm
// 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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//go:build linux && (mips64 || mips64le)
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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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MOVV num+0(FP), R2 // syscall entry
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MOVV a1+8(FP), R4
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MOVV a2+16(FP), R5
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MOVV a3+24(FP), R6
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MOVV a4+32(FP), R7
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MOVV a5+40(FP), R8
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MOVV a6+48(FP), R9
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MOVV R0, R3 // reset R3 to 0 as 1-ret SYSCALL keeps it
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SYSCALL
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BEQ R7, ok
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MOVV $-1, R1
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MOVV R1, r1+56(FP)
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MOVV R0, r2+64(FP)
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MOVV R2, errno+72(FP)
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RET
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ok:
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MOVV R2, r1+56(FP)
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MOVV R3, r2+64(FP)
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MOVV R0, errno+72(FP)
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RET
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