1/*
2 * Copyright (C) 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(JIT)
29
30#include "SnippetParams.h"
31
32namespace JSC {
33
34struct AccessGenerationState;
35
36class AccessCaseSnippetParams : public SnippetParams {
37public:
38 AccessCaseSnippetParams(VM& vm, Vector<Value>&& regs, Vector<GPRReg>&& gpScratch, Vector<FPRReg>&& fpScratch)
39 : SnippetParams(vm, WTFMove(regs), WTFMove(gpScratch), WTFMove(fpScratch))
40 {
41 }
42
43 class SlowPathCallGenerator {
44 public:
45 virtual ~SlowPathCallGenerator() { }
46 virtual CCallHelpers::JumpList generate(AccessGenerationState&, const RegisterSet& usedRegistersBySnippet, CCallHelpers&) = 0;
47 };
48
49 CCallHelpers::JumpList emitSlowPathCalls(AccessGenerationState&, const RegisterSet& usedRegistersBySnippet, CCallHelpers&);
50
51private:
52#define JSC_DEFINE_CALL_OPERATIONS(OperationType, ResultType, ...) void addSlowPathCallImpl(CCallHelpers::JumpList, CCallHelpers&, OperationType, ResultType, std::tuple<__VA_ARGS__> args) override;
53 SNIPPET_SLOW_PATH_CALLS(JSC_DEFINE_CALL_OPERATIONS)
54#undef JSC_DEFINE_CALL_OPERATIONS
55 Vector<std::unique_ptr<SlowPathCallGenerator>> m_generators;
56};
57
58}
59
60#endif
61