1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
// Copyright 2018 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build amd64
#include "textflag.h"
TEXT ·AndUint32(SB),$0-12
MOVQ addr+0(FP), BX
MOVL val+8(FP), AX
LOCK
ANDL AX, 0(BX)
RET
TEXT ·OrUint32(SB),$0-12
MOVQ addr+0(FP), BX
MOVL val+8(FP), AX
LOCK
ORL AX, 0(BX)
RET
TEXT ·XorUint32(SB),$0-12
MOVQ addr+0(FP), BX
MOVL val+8(FP), AX
LOCK
XORL AX, 0(BX)
RET
TEXT ·CompareAndSwapUint32(SB),$0-20
MOVQ addr+0(FP), DI
MOVL old+8(FP), AX
MOVL new+12(FP), DX
LOCK
CMPXCHGL DX, 0(DI)
MOVL AX, ret+16(FP)
RET
TEXT ·AndUint64(SB),$0-16
MOVQ addr+0(FP), BX
MOVQ val+8(FP), AX
LOCK
ANDQ AX, 0(BX)
RET
TEXT ·OrUint64(SB),$0-16
MOVQ addr+0(FP), BX
MOVQ val+8(FP), AX
LOCK
ORQ AX, 0(BX)
RET
TEXT ·XorUint64(SB),$0-16
MOVQ addr+0(FP), BX
MOVQ val+8(FP), AX
LOCK
XORQ AX, 0(BX)
RET
TEXT ·CompareAndSwapUint64(SB),$0-32
MOVQ addr+0(FP), DI
MOVQ old+8(FP), AX
MOVQ new+16(FP), DX
LOCK
CMPXCHGQ DX, 0(DI)
MOVQ AX, ret+24(FP)
RET
|