1/*
2 * Copyright (C) 2015-2016 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#if ENABLE(B3_JIT)
29
30#include "AirBasicBlock.h"
31#include "CCallHelpers.h"
32#include <wtf/Box.h>
33#include <wtf/IndexMap.h>
34#include <wtf/SharedTask.h>
35#include <wtf/Vector.h>
36
37namespace JSC { namespace B3 { namespace Air {
38
39class Code;
40
41struct GenerationContext {
42 WTF_MAKE_NONCOPYABLE(GenerationContext);
43public:
44
45 GenerationContext() = default;
46
47 typedef void LatePathFunction(CCallHelpers&, GenerationContext&);
48 typedef SharedTask<LatePathFunction> LatePath;
49
50 Vector<RefPtr<LatePath>> latePaths;
51 IndexMap<BasicBlock*, Box<CCallHelpers::Label>> blockLabels;
52 BasicBlock* currentBlock { nullptr };
53 unsigned indexInBlock { UINT_MAX };
54 Code* code { nullptr };
55};
56
57} } } // namespace JSC::B3::Air
58
59#endif // ENABLE(B3_JIT)
60