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Copy pathB3AbstractHeapRepository.cpp
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B3AbstractHeapRepository.cpp
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253 lines (216 loc) · 9.57 KB
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/*
* Copyright (C) 2013-2016 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 "B3AbstractHeapRepository.h"
#if ENABLE(B3_JIT)
#include "B3CCallValue.h"
#include "B3FenceValue.h"
#include "B3MemoryValue.h"
#include "B3PatchpointValue.h"
#include "B3ValueInlines.h"
#include "B3WasmArrayGetValue.h"
#include "B3WasmArrayLengthValue.h"
#include "B3WasmArraySetValue.h"
#include "ClonedArguments.h"
#include "ConcatKeyAtomStringCache.h"
#include "DateInstance.h"
#include "DirectArguments.h"
#include "GetterSetter.h"
#include "HasOwnPropertyCache.h"
#include "JSArrayBufferView.h"
#include "JSBoundFunction.h"
#include "JSGlobalObject.h"
#include "JSGlobalProxy.h"
#include "JSMap.h"
#include "JSPropertyNameEnumerator.h"
#include "JSSet.h"
#include "JSWeakMap.h"
#include "JSWebAssemblyArray.h"
#include "JSWebAssemblyInstance.h"
#include "JSWebAssemblyStruct.h"
#include "JSWrapperObject.h"
#include "KeyAtomStringCache.h"
#include "NumericStrings.h"
#include "RegExpObject.h"
#include "ScopedArguments.h"
#include "ShadowChicken.h"
#include "StructureChain.h"
#include "StructureRareDataInlines.h"
#include "Symbol.h"
#include "WasmGlobal.h"
#include "WasmTable.h"
#include "WasmTypeDefinition.h"
#include "WebAssemblyModuleRecord.h"
namespace JSC::B3 {
WTF_MAKE_TZONE_ALLOCATED_IMPL(AbstractHeapRepository);
AbstractHeapRepository::AbstractHeapRepository()
: root(nullptr, "jscRoot")
#define ABSTRACT_HEAP_INITIALIZATION(name) , name(&root, #name)
FOR_EACH_ABSTRACT_HEAP(ABSTRACT_HEAP_INITIALIZATION)
#undef ABSTRACT_HEAP_INITIALIZATION
, WebAssemblyMemory(TypedArrayProperties)
#define ABSTRACT_FIELD_INITIALIZATION(name, offset, mutability) , name(&root, #name, offset, mutability)
FOR_EACH_ABSTRACT_FIELD(ABSTRACT_FIELD_INITIALIZATION)
#undef ABSTRACT_FIELD_INITIALIZATION
, JSCell_freeListNext(JSCell_header)
, ArrayStorage_publicLength(Butterfly_publicLength)
, ArrayStorage_vectorLength(Butterfly_vectorLength)
#define INDEXED_ABSTRACT_HEAP_INITIALIZATION(name, offset, size) , name(&root, #name, offset, size)
FOR_EACH_INDEXED_ABSTRACT_HEAP(INDEXED_ABSTRACT_HEAP_INITIALIZATION)
#undef INDEXED_ABSTRACT_HEAP_INITIALIZATION
#define NUMBERED_ABSTRACT_HEAP_INITIALIZATION(name) , name(&root, #name)
FOR_EACH_NUMBERED_ABSTRACT_HEAP(NUMBERED_ABSTRACT_HEAP_INITIALIZATION)
#undef NUMBERED_ABSTRACT_HEAP_INITIALIZATION
, JSString_value(JSRopeString_fiber0)
, JSWrapperObject_internalValue(const_cast<AbstractHeap&>(JSInternalFieldObjectImpl_internalFields[static_cast<unsigned>(JSWrapperObject::Field::WrappedValue)]))
, absolute(&root, "absolute")
{
JSCell_header.changeParent(&JSCellHeaderAndNamedProperties);
properties.atAnyNumber().changeParent(&JSCellHeaderAndNamedProperties);
// Make sure that our explicit assumptions about the TypeInfoBlob match reality.
RELEASE_ASSERT(!(JSCell_indexingTypeAndMisc.offset() & (sizeof(int32_t) - 1)));
RELEASE_ASSERT(JSCell_indexingTypeAndMisc.offset() + 1 == JSCell_typeInfoType.offset());
RELEASE_ASSERT(JSCell_indexingTypeAndMisc.offset() + 2 == JSCell_typeInfoFlags.offset());
RELEASE_ASSERT(JSCell_indexingTypeAndMisc.offset() + 3 == JSCell_cellState.offset());
JSCell_structureID.changeParent(&JSCell_header);
JSCell_usefulBytes.changeParent(&JSCell_header);
JSCell_indexingTypeAndMisc.changeParent(&JSCell_usefulBytes);
JSCell_typeInfoType.changeParent(&JSCell_usefulBytes);
JSCell_typeInfoFlags.changeParent(&JSCell_usefulBytes);
JSCell_cellState.changeParent(&JSCell_usefulBytes);
JSRopeString_flags.changeParent(&JSRopeString_fiber0);
JSRopeString_length.changeParent(&JSRopeString_fiber1);
RELEASE_ASSERT(!JSCell_freeListNext.offset());
}
AbstractHeapRepository::~AbstractHeapRepository() = default;
void AbstractHeapRepository::decorateMemory(const AbstractHeap* heap, Value* value)
{
m_heapForMemory.append(HeapForValue(heap, value));
}
void AbstractHeapRepository::decorateCCallRead(const AbstractHeap* heap, Value* value)
{
m_heapForCCallRead.append(HeapForValue(heap, value));
}
void AbstractHeapRepository::decorateCCallWrite(const AbstractHeap* heap, Value* value)
{
m_heapForCCallWrite.append(HeapForValue(heap, value));
}
void AbstractHeapRepository::decoratePatchpointRead(const AbstractHeap* heap, Value* value)
{
m_heapForPatchpointRead.append(HeapForValue(heap, value));
}
void AbstractHeapRepository::decoratePatchpointWrite(const AbstractHeap* heap, Value* value)
{
m_heapForPatchpointWrite.append(HeapForValue(heap, value));
}
void AbstractHeapRepository::decorateFenceRead(const AbstractHeap* heap, Value* value)
{
m_heapForFenceRead.append(HeapForValue(heap, value));
}
void AbstractHeapRepository::decorateFenceWrite(const AbstractHeap* heap, Value* value)
{
m_heapForFenceWrite.append(HeapForValue(heap, value));
}
void AbstractHeapRepository::decorateFencedAccess(const AbstractHeap* heap, Value* value)
{
m_heapForFencedAccess.append(HeapForValue(heap, value));
}
void AbstractHeapRepository::decorateWasmStructGet(const AbstractHeap* heap, Value* value)
{
m_heapForWasmStructGet.append(HeapForValue(heap, value));
}
void AbstractHeapRepository::decorateWasmStructSet(const AbstractHeap* heap, Value* value)
{
m_heapForWasmStructSet.append(HeapForValue(heap, value));
}
void AbstractHeapRepository::decorateWasmArrayGet(const AbstractHeap* heap, Value* value)
{
m_heapForWasmArrayGet.append(HeapForValue(heap, value));
}
void AbstractHeapRepository::decorateWasmArraySet(const AbstractHeap* heap, Value* value)
{
m_heapForWasmArraySet.append(HeapForValue(heap, value));
}
void AbstractHeapRepository::decorateWasmArrayLength(const AbstractHeap* heap, Value* value)
{
m_heapForWasmArrayLength.append(HeapForValue(heap, value));
}
void AbstractHeapRepository::computeRangesAndDecorateInstructions()
{
root.compute();
if (Options::verboseCompilation() || Options::verboseFTLCompilation()) [[unlikely]] {
WTF::dataFile().atomically([&](auto&) {
dataLogLn("Abstract Heap Repository:");
root.deepDump(WTF::dataFile());
});
}
auto rangeFor = [&] (const AbstractHeap* heap) -> HeapRange {
if (heap)
return heap->range();
return HeapRange();
};
for (HeapForValue entry : m_heapForMemory) {
auto* memoryValue = entry.value->as<MemoryValue>();
memoryValue->setRange(rangeFor(entry.heap));
if (memoryValue->isLoad() && entry.heap->mutability() == B3::Mutability::Immutable)
memoryValue->setReadsMutability(B3::Mutability::Immutable);
}
for (HeapForValue entry : m_heapForCCallRead)
entry.value->as<CCallValue>()->effects.reads = rangeFor(entry.heap);
for (HeapForValue entry : m_heapForCCallWrite)
entry.value->as<CCallValue>()->effects.writes = rangeFor(entry.heap);
for (HeapForValue entry : m_heapForPatchpointRead)
entry.value->as<PatchpointValue>()->effects.reads = rangeFor(entry.heap);
for (HeapForValue entry : m_heapForPatchpointWrite)
entry.value->as<PatchpointValue>()->effects.writes = rangeFor(entry.heap);
for (HeapForValue entry : m_heapForFenceRead)
entry.value->as<FenceValue>()->read = rangeFor(entry.heap);
for (HeapForValue entry : m_heapForFenceWrite)
entry.value->as<FenceValue>()->write = rangeFor(entry.heap);
for (HeapForValue entry : m_heapForFencedAccess)
entry.value->as<MemoryValue>()->setFenceRange(rangeFor(entry.heap));
for (HeapForValue entry : m_heapForWasmStructGet) {
auto* wasmStructGet = entry.value->as<WasmStructGetValue>();
wasmStructGet->setRange(rangeFor(entry.heap));
}
for (HeapForValue entry : m_heapForWasmStructSet) {
auto* wasmStructSet = entry.value->as<WasmStructSetValue>();
wasmStructSet->setRange(rangeFor(entry.heap));
}
for (HeapForValue entry : m_heapForWasmArrayGet) {
auto* wasmArrayGet = entry.value->as<WasmArrayGetValue>();
wasmArrayGet->setRange(rangeFor(entry.heap));
}
for (HeapForValue entry : m_heapForWasmArraySet) {
auto* wasmArraySet = entry.value->as<WasmArraySetValue>();
wasmArraySet->setRange(rangeFor(entry.heap));
}
for (HeapForValue entry : m_heapForWasmArrayLength) {
auto* wasmArrayLength = entry.value->as<WasmArrayLengthValue>();
wasmArrayLength->setRange(rangeFor(entry.heap));
}
}
} // namespace JSC::B3
#endif // ENABLE(B3_JIT)
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