mirror of
https://github.com/golang/go
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111 lines
1.7 KiB
ArmAsm
111 lines
1.7 KiB
ArmAsm
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// Copyright 2009 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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//
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// System calls and other sys.stuff for AMD64, Linux
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//
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TEXT sys·exit(SB),1,$-8
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MOVL 8(SP), DI
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MOVL $60, AX
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SYSCALL
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RET
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TEXT sys·write(SB),1,$-8
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MOVL 8(SP), DI
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MOVQ 16(SP), SI
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MOVL 24(SP), DX
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MOVL $1, AX // syscall entry
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SYSCALL
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RET
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TEXT open(SB),1,$-8
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MOVQ 8(SP), DI
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MOVL 16(SP), SI
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MOVL $2, AX // syscall entry
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SYSCALL
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RET
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TEXT close(SB),1,$-8
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MOVL 8(SP), DI
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MOVL $3, AX // syscall entry
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SYSCALL
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RET
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TEXT fstat(SB),1,$-8
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MOVL 8(SP), DI
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MOVQ 16(SP), SI
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MOVL $5, AX // syscall entry
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SYSCALL
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RET
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TEXT read(SB),1,$-8
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MOVL 8(SP), DI
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MOVQ 16(SP), SI
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MOVL 24(SP), DX
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MOVL $0, AX // syscall entry
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SYSCALL
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RET
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TEXT sys·rt_sigaction(SB),1,$-8
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MOVL 8(SP), DI
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MOVQ 16(SP), SI
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MOVQ 24(SP), DX
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MOVQ 32(SP), CX
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MOVL CX, R10
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MOVL $13, AX // syscall entry
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SYSCALL
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RET
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TEXT sigtramp(SB),1,$24
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MOVQ DI,0(SP)
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MOVQ SI,8(SP)
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MOVQ DX,16(SP)
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CALL sighandler(SB)
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RET
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TEXT sys·mmap(SB),1,$-8
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MOVQ 8(SP), DI
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MOVL 16(SP), SI
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MOVL 20(SP), DX
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MOVL 24(SP), CX
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MOVL 28(SP), R8
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MOVL 32(SP), R9
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/* flags arg for ANON is 1000 but sb 20 */
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MOVL CX, AX
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ANDL $~0x1000, CX
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ANDL $0x1000, AX
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SHRL $7, AX
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ORL AX, CX
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MOVL CX, R10
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MOVL $9, AX // syscall entry
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SYSCALL
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CMPQ AX, $0xfffffffffffff001
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JLS 2(PC)
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CALL notok(SB)
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RET
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TEXT notok(SB),1,$-8
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MOVL $0xf1, BP
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MOVQ BP, (BP)
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RET
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TEXT sys·memclr(SB),1,$-8
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MOVQ 8(SP), DI // arg 1 addr
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MOVL 16(SP), CX // arg 2 count (cannot be zero)
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ADDL $7, CX
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SHRL $3, CX
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MOVQ $0, AX
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CLD
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REP
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STOSQ
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RET
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TEXT sys·getcallerpc+0(SB),1,$0
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MOVQ x+0(FP),AX
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MOVQ -8(AX),AX
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RET
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