1/*
2 * Copyright (C) 2018 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "CodeOrigin.h"
29#include "ExitingInlineKind.h"
30#include <wtf/HashMap.h>
31
32namespace JSC {
33
34class CallLinkInfo;
35class CallLinkStatus;
36class CodeBlock;
37class GetByStatus;
38class InByIdStatus;
39class PutByIdStatus;
40class StructureStubInfo;
41struct ByValInfo;
42
43struct ICStatus {
44 StructureStubInfo* stubInfo { nullptr };
45 CallLinkInfo* callLinkInfo { nullptr };
46 ByValInfo* byValInfo { nullptr };
47 CallLinkStatus* callStatus { nullptr };
48 GetByStatus* getStatus { nullptr };
49 InByIdStatus* inStatus { nullptr };
50 PutByIdStatus* putStatus { nullptr };
51};
52
53typedef HashMap<CodeOrigin, ICStatus, CodeOriginApproximateHash> ICStatusMap;
54
55struct ICStatusContext {
56 ICStatus get(CodeOrigin) const;
57 bool isInlined(CodeOrigin) const;
58 ExitingInlineKind inlineKind(CodeOrigin) const;
59
60 InlineCallFrame* inlineCallFrame { nullptr };
61 CodeBlock* optimizedCodeBlock { nullptr };
62 ICStatusMap map;
63};
64
65typedef Vector<ICStatusContext*, 8> ICStatusContextStack;
66
67} // namespace JSC
68
69