cubefs

1
// Copyright 2022 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 linux && loong64 && gc
6
// +build linux
7
// +build loong64
8
// +build gc
9

10
#include "textflag.h"
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,$0-56
17
	JMP	syscall·Syscall(SB)
18

19
TEXT ·Syscall6(SB),NOSPLIT,$0-80
20
	JMP	syscall·Syscall6(SB)
21

22
TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
23
	JAL	runtime·entersyscall(SB)
24
	MOVV	a1+8(FP), R4
25
	MOVV	a2+16(FP), R5
26
	MOVV	a3+24(FP), R6
27
	MOVV	R0, R7
28
	MOVV	R0, R8
29
	MOVV	R0, R9
30
	MOVV	trap+0(FP), R11	// syscall entry
31
	SYSCALL
32
	MOVV	R4, r1+32(FP)
33
	MOVV	R0, r2+40(FP)	// r2 is not used. Always set to 0
34
	JAL	runtime·exitsyscall(SB)
35
	RET
36

37
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
38
	JMP	syscall·RawSyscall(SB)
39

40
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
41
	JMP	syscall·RawSyscall6(SB)
42

43
TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
44
	MOVV	a1+8(FP), R4
45
	MOVV	a2+16(FP), R5
46
	MOVV	a3+24(FP), R6
47
	MOVV	R0, R7
48
	MOVV	R0, R8
49
	MOVV	R0, R9
50
	MOVV	trap+0(FP), R11	// syscall entry
51
	SYSCALL
52
	MOVV	R4, r1+32(FP)
53
	MOVV	R0, r2+40(FP)	// r2 is not used. Always set to 0
54
	RET
55