1/*
2 * Copyright (C) 2009-2019 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#include "config.h"
27
28#include "BatchedTransitionOptimizer.h"
29#include "CodeBlock.h"
30#include "Debugger.h"
31#include "JIT.h"
32#include "JSCInlines.h"
33#include "LLIntEntrypoint.h"
34#include "Parser.h"
35#include "TypeProfiler.h"
36#include "VMInlines.h"
37#include <wtf/CommaPrinter.h>
38
39namespace JSC {
40
41const ClassInfo NativeExecutable::s_info = { "NativeExecutable", &ExecutableBase::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(NativeExecutable) };
42
43NativeExecutable* NativeExecutable::create(VM& vm, Ref<JITCode>&& callThunk, TaggedNativeFunction function, Ref<JITCode>&& constructThunk, TaggedNativeFunction constructor, const String& name)
44{
45 NativeExecutable* executable;
46 executable = new (NotNull, allocateCell<NativeExecutable>(vm.heap)) NativeExecutable(vm, function, constructor);
47 executable->finishCreation(vm, WTFMove(callThunk), WTFMove(constructThunk), name);
48 return executable;
49}
50
51void NativeExecutable::destroy(JSCell* cell)
52{
53 static_cast<NativeExecutable*>(cell)->NativeExecutable::~NativeExecutable();
54}
55
56Structure* NativeExecutable::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue proto)
57{
58 return Structure::create(vm, globalObject, proto, TypeInfo(NativeExecutableType, StructureFlags), info());
59}
60
61void NativeExecutable::finishCreation(VM& vm, Ref<JITCode>&& callThunk, Ref<JITCode>&& constructThunk, const String& name)
62{
63 Base::finishCreation(vm);
64 m_jitCodeForCall = WTFMove(callThunk);
65 m_jitCodeForConstruct = WTFMove(constructThunk);
66 m_jitCodeForCallWithArityCheck = m_jitCodeForCall->addressForCall(MustCheckArity);
67 m_jitCodeForConstructWithArityCheck = m_jitCodeForConstruct->addressForCall(MustCheckArity);
68 m_name = name;
69
70 assertIsTaggedWith(m_jitCodeForCall->addressForCall(ArityCheckNotRequired).executableAddress(), JSEntryPtrTag);
71 assertIsTaggedWith(m_jitCodeForConstruct->addressForCall(ArityCheckNotRequired).executableAddress(), JSEntryPtrTag);
72 assertIsTaggedWith(m_jitCodeForCallWithArityCheck.executableAddress(), JSEntryPtrTag);
73 assertIsTaggedWith(m_jitCodeForConstructWithArityCheck.executableAddress(), JSEntryPtrTag);
74}
75
76NativeExecutable::NativeExecutable(VM& vm, TaggedNativeFunction function, TaggedNativeFunction constructor)
77 : ExecutableBase(vm, vm.nativeExecutableStructure.get())
78 , m_function(function)
79 , m_constructor(constructor)
80{
81}
82
83const DOMJIT::Signature* NativeExecutable::signatureFor(CodeSpecializationKind kind) const
84{
85 ASSERT(hasJITCodeFor(kind));
86 return generatedJITCodeFor(kind)->signature();
87}
88
89Intrinsic NativeExecutable::intrinsic() const
90{
91 return generatedJITCodeFor(CodeForCall)->intrinsic();
92}
93
94CodeBlockHash NativeExecutable::hashFor(CodeSpecializationKind kind) const
95{
96 if (kind == CodeForCall)
97 return CodeBlockHash(bitwise_cast<uintptr_t>(m_function));
98
99 RELEASE_ASSERT(kind == CodeForConstruct);
100 return CodeBlockHash(bitwise_cast<uintptr_t>(m_constructor));
101}
102
103} // namespace JSC
104