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Init local stack allocated var values in interpreter

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Signed-off-by: Seonghyun Kim <sh8281.kim@samsung.com>
This commit is contained in:
Seonghyun Kim 2022-03-17 16:50:03 +09:00 • committed by Hyukwoo Park
commit b76294bcca
4 changed files with 33 additions and 39 deletions
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24
src/runtime/ScriptSimpleFunctionObject.h
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@ -61,13 +61,11 @@ protected:
ByteCodeBlock* blk = codeBlock->byteCodeBlock();
Context* ctx = codeBlock->context();
const size_t stackStorageSize = codeBlock->totalStackAllocatedVariableSize();
const size_t identifierOnStackCount = codeBlock->identifierOnStackCount();
const size_t registerSize = blk->m_requiredRegisterFileSizeInValueSize;
const size_t literalStorageSize = blk->m_numeralLiteralData.size();
Value* literalStorageSrc = blk->m_numeralLiteralData.data();
#if !defined(NDEBUG)
const size_t stackStorageSize = codeBlock->totalStackAllocatedVariableSize();
const size_t literalStorageSize = blk->m_numeralLiteralData.size();
ASSERT(codeBlock->isStrict() == isStrict);
ASSERT(blk->m_requiredRegisterFileSizeInValueSize + stackStorageSize + literalStorageSize <= registerFileSize);
#endif
@ -86,21 +84,6 @@ protected:
Value* registerFile = reinterpret_cast<Value*>(registerFileBuffer);
Value* stackStorage = registerFile + registerSize;
{
Value* literalStorage = stackStorage + stackStorageSize;
for (size_t i = 0; i < literalStorageSize; i++) {
literalStorage[i] = literalStorageSrc[i];
}
}
// binding function name
stackStorage[1] = this;
// initialize identifiers by undefined value
for (size_t i = 2; i < identifierOnStackCount; i++) {
stackStorage[i] = Value();
}
ExecutionState newState(ctx, &state, &lexEnv, argc, argv, isStrict);
if (isStrict) {
stackStorage[0] = thisValue;
@ -112,6 +95,9 @@ protected:
}
}
// binding function name
stackStorage[1] = this;
if (shouldClearStack) {
const Value returnValue = ByteCodeInterpreter::interpret(&newState, blk, 0, registerFile);
clearStack<512>();