2018-01-09 18:57:14 +00:00
|
|
|
// Copyright 2009 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.
|
|
|
|
|
2021-06-17 07:34:12 +00:00
|
|
|
//go:build gc
|
2018-01-09 18:57:14 +00:00
|
|
|
|
|
|
|
#include "textflag.h"
|
|
|
|
|
|
|
|
//
|
|
|
|
// System calls for arm, Linux
|
|
|
|
//
|
|
|
|
|
|
|
|
// Just jump to package syscall's implementation for all these functions.
|
|
|
|
// The runtime may know about them.
|
|
|
|
|
|
|
|
TEXT ·Syscall(SB),NOSPLIT,$0-28
|
|
|
|
B syscall·Syscall(SB)
|
|
|
|
|
|
|
|
TEXT ·Syscall6(SB),NOSPLIT,$0-40
|
|
|
|
B syscall·Syscall6(SB)
|
|
|
|
|
|
|
|
TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
|
|
|
|
BL runtime·entersyscall(SB)
|
|
|
|
MOVW trap+0(FP), R7
|
|
|
|
MOVW a1+4(FP), R0
|
|
|
|
MOVW a2+8(FP), R1
|
|
|
|
MOVW a3+12(FP), R2
|
|
|
|
MOVW $0, R3
|
|
|
|
MOVW $0, R4
|
|
|
|
MOVW $0, R5
|
|
|
|
SWI $0
|
|
|
|
MOVW R0, r1+16(FP)
|
|
|
|
MOVW $0, R0
|
|
|
|
MOVW R0, r2+20(FP)
|
|
|
|
BL runtime·exitsyscall(SB)
|
|
|
|
RET
|
|
|
|
|
|
|
|
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
|
|
|
|
B syscall·RawSyscall(SB)
|
|
|
|
|
|
|
|
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
|
|
|
|
B syscall·RawSyscall6(SB)
|
|
|
|
|
|
|
|
TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24
|
|
|
|
MOVW trap+0(FP), R7 // syscall entry
|
|
|
|
MOVW a1+4(FP), R0
|
|
|
|
MOVW a2+8(FP), R1
|
|
|
|
MOVW a3+12(FP), R2
|
|
|
|
SWI $0
|
|
|
|
MOVW R0, r1+16(FP)
|
|
|
|
MOVW $0, R0
|
|
|
|
MOVW R0, r2+20(FP)
|
|
|
|
RET
|
|
|
|
|
2018-03-06 22:33:18 +00:00
|
|
|
TEXT ·seek(SB),NOSPLIT,$0-28
|
2018-01-09 18:57:14 +00:00
|
|
|
B syscall·seek(SB)
|