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152 lines (129 loc) · 4.74 KB
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/*
* Copyright (C) 2019-2023 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.
*/
#include "config.h"
#include "WasmFunctionIPIntMetadataGenerator.h"
#include "WasmTypeDefinition.h"
#include <numeric>
#include <wtf/TZoneMallocInlines.h>
#if ENABLE(WEBASSEMBLY)
WTF_ALLOW_UNSAFE_BUFFER_USAGE_BEGIN
namespace JSC {
namespace Wasm {
WTF_MAKE_TZONE_ALLOCATED_IMPL(FunctionIPIntMetadataGenerator);
void FunctionIPIntMetadataGenerator::addLength(size_t length)
{
IPInt::InstructionLengthMetadata instructionLength {
.length = safeCast<uint8_t>(length)
};
size_t size = m_metadata.size();
m_metadata.grow(size + sizeof(instructionLength));
WRITE_TO_METADATA(m_metadata.mutableSpan().data() + size, instructionLength, IPInt::InstructionLengthMetadata);
}
void FunctionIPIntMetadataGenerator::addMemorySize(uint8_t memoryIndex, size_t length)
{
IPInt::MemorySizeMetadata md {
.memoryIndex = memoryIndex,
.instructionLength = { .length = safeCast<uint8_t>(length) }
};
appendMetadata(md);
}
void FunctionIPIntMetadataGenerator::addMemoryGrow(uint8_t memoryIndex, size_t length)
{
IPInt::MemoryGrowMetadata md {
.memoryIndex = memoryIndex,
.instructionLength = { .length = safeCast<uint8_t>(length) }
};
appendMetadata(md);
}
void FunctionIPIntMetadataGenerator::addTableAccess(uint32_t index, size_t length)
{
IPInt::TableAccessMetadata md {
.index = index,
.instructionLength = { .length = safeCast<uint8_t>(length) }
};
appendMetadata(md);
}
void FunctionIPIntMetadataGenerator::addRefFunc(uint32_t index, size_t length)
{
IPInt::RefFuncMetadata md {
.index = index,
.instructionLength = { .length = safeCast<uint8_t>(length) }
};
appendMetadata(md);
}
void FunctionIPIntMetadataGenerator::addElemDrop(uint32_t index, size_t length)
{
IPInt::ElemDropMetadata md {
.index = index,
.instructionLength = { .length = safeCast<uint8_t>(length) }
};
appendMetadata(md);
}
void FunctionIPIntMetadataGenerator::addDataAccess(uint32_t index, size_t length)
{
IPInt::DataAccessMetadata md {
.index = index,
.instructionLength = { .length = safeCast<uint8_t>(length) }
};
appendMetadata(md);
}
void FunctionIPIntMetadataGenerator::addMemoryInit(uint8_t memoryIndex, uint32_t dataIndex, size_t length)
{
IPInt::MemoryInitMetadata md {
.memoryIndex = memoryIndex,
.dataIndex = dataIndex,
.instructionLength = { .length = safeCast<uint8_t>(length) }
};
appendMetadata(md);
}
void FunctionIPIntMetadataGenerator::addMemoryFill(uint8_t memoryIndex, size_t length)
{
IPInt::MemoryFillMetadata md {
.memoryIndex = memoryIndex,
.instructionLength = { .length = safeCast<uint8_t>(length) }
};
appendMetadata(md);
}
void FunctionIPIntMetadataGenerator::addMemoryCopy(uint8_t dstMemoryIndex, uint8_t srcMemoryIndex, size_t length)
{
IPInt::MemoryCopyMetadata md {
.dstMemoryIndex = dstMemoryIndex,
.srcMemoryIndex = srcMemoryIndex,
.instructionLength = { .length = safeCast<uint8_t>(length) }
};
appendMetadata(md);
}
void FunctionIPIntMetadataGenerator::addAtomicMemoryAccess(uint8_t memoryIndex, uint64_t offset, size_t length)
{
IPInt::AtomicMemoryAccessMetadata md {
.memoryIndex = memoryIndex,
.offset = offset,
.instructionLength = { .length = safeCast<uint8_t>(length) }
};
appendMetadata(md);
}
} }
WTF_ALLOW_UNSAFE_BUFFER_USAGE_END
#endif // ENABLE(WEBASSEMBLY)