mirror of https://github.com/golang/go.git
136 lines
2.7 KiB
ArmAsm
136 lines
2.7 KiB
ArmAsm
// Copyright 2014 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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//
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// System calls for mips64, Linux
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//
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// func Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64);
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TEXT ·Syscall(SB),NOSPLIT,$0-56
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JAL runtime·entersyscall(SB)
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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 R0, R7
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MOVV R0, R8
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MOVV R0, R9
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MOVV trap+0(FP), R2 // syscall entry
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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+32(FP) // r1
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MOVV R0, r2+40(FP) // r2
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MOVV R2, err+48(FP) // errno
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JAL runtime·exitsyscall(SB)
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RET
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ok:
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MOVV R2, r1+32(FP) // r1
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MOVV R3, r2+40(FP) // r2
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MOVV R0, err+48(FP) // errno
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JAL runtime·exitsyscall(SB)
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RET
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TEXT ·Syscall6(SB),NOSPLIT,$0-80
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JAL runtime·entersyscall(SB)
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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 trap+0(FP), R2 // syscall entry
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SYSCALL
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BEQ R7, ok6
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MOVV $-1, R1
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MOVV R1, r1+56(FP) // r1
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MOVV R0, r2+64(FP) // r2
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MOVV R2, err+72(FP) // errno
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JAL runtime·exitsyscall(SB)
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RET
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ok6:
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MOVV R2, r1+56(FP) // r1
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MOVV R3, r2+64(FP) // r2
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MOVV R0, err+72(FP) // errno
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JAL runtime·exitsyscall(SB)
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RET
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TEXT ·RawSyscall(SB),NOSPLIT,$0-56
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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 R0, R7
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MOVV R0, R8
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MOVV R0, R9
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MOVV trap+0(FP), R2 // syscall entry
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SYSCALL
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BEQ R7, ok1
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MOVV $-1, R1
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MOVV R1, r1+32(FP) // r1
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MOVV R0, r2+40(FP) // r2
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MOVV R2, err+48(FP) // errno
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RET
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ok1:
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MOVV R2, r1+32(FP) // r1
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MOVV R3, r2+40(FP) // r2
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MOVV R0, err+48(FP) // errno
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RET
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TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
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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 trap+0(FP), R2 // syscall entry
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SYSCALL
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BEQ R7, ok2
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MOVV $-1, R1
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MOVV R1, r1+56(FP) // r1
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MOVV R0, r2+64(FP) // r2
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MOVV R2, err+72(FP) // errno
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RET
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ok2:
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MOVV R2, r1+56(FP) // r1
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MOVV R3, r2+64(FP) // r2
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MOVV R0, err+72(FP) // errno
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RET
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// func rawVforkSyscall(trap, a1 uintptr) (r1, err uintptr)
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TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-32
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MOVV a1+8(FP), R4
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MOVV R0, R5
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MOVV R0, R6
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MOVV R0, R7
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MOVV R0, R8
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MOVV R0, R9
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MOVV trap+0(FP), R2 // syscall entry
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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+16(FP) // r1
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MOVV R2, err+24(FP) // errno
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RET
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ok:
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MOVV R2, r1+16(FP) // r1
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MOVV R0, err+24(FP) // errno
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RET
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TEXT ·rawSyscallNoError(SB),NOSPLIT,$0-48
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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 R0, R7
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MOVV R0, R8
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MOVV R0, R9
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MOVV trap+0(FP), R2 // syscall entry
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SYSCALL
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MOVV R2, r1+32(FP)
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MOVV R3, r2+40(FP)
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RET
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