1 // Copyright 2009 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
4 5 //go:build gc
6 7 #include "textflag.h"
8 9 //
10 // System calls for arm, Linux
11 //
12 13 // Just jump to package syscall's implementation for all these functions.
14 // The runtime may know about them.
15 16 TEXT ·Syscall(SB),NOSPLIT,$0-28
17 B syscall·Syscall(SB)
18 19 TEXT ·Syscall6(SB),NOSPLIT,$0-40
20 B syscall·Syscall6(SB)
21 22 TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
23 BL runtime·entersyscall(SB)
24 MOVW trap+0(FP), R7
25 MOVW a1+4(FP), R0
26 MOVW a2+8(FP), R1
27 MOVW a3+12(FP), R2
28 MOVW $0, R3
29 MOVW $0, R4
30 MOVW $0, R5
31 SWI $0
32 MOVW R0, r1+16(FP)
33 MOVW $0, R0
34 MOVW R0, r2+20(FP)
35 BL runtime·exitsyscall(SB)
36 RET
37 38 TEXT ·RawSyscall(SB),NOSPLIT,$0-28
39 B syscall·RawSyscall(SB)
40 41 TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
42 B syscall·RawSyscall6(SB)
43 44 TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24
45 MOVW trap+0(FP), R7 // syscall entry
46 MOVW a1+4(FP), R0
47 MOVW a2+8(FP), R1
48 MOVW a3+12(FP), R2
49 SWI $0
50 MOVW R0, r1+16(FP)
51 MOVW $0, R0
52 MOVW R0, r2+20(FP)
53 RET
54 55 TEXT ·seek(SB),NOSPLIT,$0-28
56 B syscall·seek(SB)
57