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
78
79
80
81
82
83
|
/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(WEBASSEMBLY)
#include "WasmFormat.h"
namespace JSC { namespace Wasm {
struct ModuleInformation : public ThreadSafeRefCounted<ModuleInformation> {
size_t functionIndexSpaceSize() const { return importFunctionSignatureIndices.size() + internalFunctionSignatureIndices.size(); }
bool isImportedFunctionFromFunctionIndexSpace(size_t functionIndex) const
{
ASSERT(functionIndex < functionIndexSpaceSize());
return functionIndex < importFunctionSignatureIndices.size();
}
SignatureIndex signatureIndexFromFunctionIndexSpace(size_t functionIndex) const
{
return isImportedFunctionFromFunctionIndexSpace(functionIndex)
? importFunctionSignatureIndices[functionIndex]
: internalFunctionSignatureIndices[functionIndex - importFunctionSignatureIndices.size()];
}
uint32_t importFunctionCount() const { return importFunctionSignatureIndices.size(); }
uint32_t internalFunctionCount() const { return internalFunctionSignatureIndices.size(); }
ModuleInformation(Vector<uint8_t>&& sourceBytes)
: source(WTFMove(sourceBytes))
{
}
JS_EXPORT_PRIVATE ~ModuleInformation();
const Vector<uint8_t> source;
Vector<Import> imports;
Vector<SignatureIndex> importFunctionSignatureIndices;
Vector<SignatureIndex> internalFunctionSignatureIndices;
Vector<Ref<Signature>> usedSignatures;
MemoryInformation memory;
Vector<FunctionLocationInBinary> functionLocationInBinary;
Vector<Export> exports;
std::optional<uint32_t> startFunctionIndexSpace;
Vector<Segment::Ptr> data;
Vector<Element> elements;
TableInformation tableInformation;
Vector<Global> globals;
unsigned firstInternalGlobal { 0 };
Vector<CustomSection> customSections;
NameSection nameSection;
};
} } // namespace JSC::Wasm
#endif // ENABLE(WEBASSEMBLY)
|
