Exemple #1
0
void MarkStack::append(ConservativeRoots& conservativeRoots)
{
    JSCell** roots = conservativeRoots.roots();
    size_t size = conservativeRoots.size();
    for (size_t i = 0; i < size; ++i)
        internalAppend(roots[i]);
}
Exemple #2
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void SlotVisitor::append(ConservativeRoots& conservativeRoots)
{
    HeapCell** roots = conservativeRoots.roots();
    size_t size = conservativeRoots.size();
    for (size_t i = 0; i < size; ++i)
        appendJSCellOrAuxiliary(roots[i]);
}
Exemple #3
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void SlotVisitor::append(ConservativeRoots& conservativeRoots)
{
    StackStats::probe();
    JSCell** roots = conservativeRoots.roots();
    size_t size = conservativeRoots.size();
    for (size_t i = 0; i < size; ++i)
        internalAppend(roots[i]);
}
Exemple #4
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void MachineThreads::gatherFromCurrentThread(ConservativeRoots& conservativeRoots, JITStubRoutineSet& jitStubRoutines, CodeBlockSet& codeBlocks, void* stackOrigin, void* stackTop, RegisterState& calleeSavedRegisters)
{
    void* registersBegin = &calleeSavedRegisters;
    void* registersEnd = reinterpret_cast<void*>(roundUpToMultipleOf<sizeof(void*)>(reinterpret_cast<uintptr_t>(&calleeSavedRegisters + 1)));
    conservativeRoots.add(registersBegin, registersEnd, jitStubRoutines, codeBlocks);

    conservativeRoots.add(stackTop, stackOrigin, jitStubRoutines, codeBlocks);
}
Exemple #5
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void MachineThreads::gatherFromOtherThread(ConservativeRoots& conservativeRoots, Thread* thread)
{
    PlatformThreadRegisters regs;
    size_t regSize = getPlatformThreadRegisters(thread->platformThread, regs);

    conservativeRoots.add(static_cast<void*>(&regs), static_cast<void*>(reinterpret_cast<char*>(&regs) + regSize));

    void* stackPointer = otherThreadStackPointer(regs);
    void* stackBase = thread->stackBase;
    swapIfBackwards(stackPointer, stackBase);
    conservativeRoots.add(stackPointer, stackBase);

    freePlatformThreadRegisters(regs);
}
Exemple #6
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void RegisterFile::gatherConservativeRoots(ConservativeRoots& conservativeRoots)
{
    for (Register* it = start(); it != end(); ++it) {
        JSValue v = it->jsValue();
        if (!v.isCell())
            continue;
        conservativeRoots.add(v.asCell());
    }
}
Exemple #7
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void VM::gatherConservativeRoots(ConservativeRoots& conservativeRoots)
{
    for (size_t i = 0; i < scratchBuffers.size(); i++) {
        ScratchBuffer* scratchBuffer = scratchBuffers[i];
        if (scratchBuffer->activeLength()) {
            void* bufferStart = scratchBuffer->dataBuffer();
            conservativeRoots.add(bufferStart, static_cast<void*>(static_cast<char*>(bufferStart) + scratchBuffer->activeLength()));
        }
    }
}
Exemple #8
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void MachineThreads::gatherFromCurrentThread(ConservativeRoots& conservativeRoots, void* stackCurrent)
{
    // setjmp forces volatile registers onto the stack
    jmp_buf registers REGISTER_BUFFER_ALIGNMENT;
#if COMPILER(MSVC)
#pragma warning(push)
#pragma warning(disable: 4611)
#endif
    setjmp(registers);
#if COMPILER(MSVC)
#pragma warning(pop)
#endif

    void* registersBegin = &registers;
    void* registersEnd = reinterpret_cast<void*>(roundUpToMultipleOf<sizeof(void*)>(reinterpret_cast<uintptr_t>(&registers + 1)));
    swapIfBackwards(registersBegin, registersEnd);
    conservativeRoots.add(registersBegin, registersEnd);

    void* stackBegin = stackCurrent;
    void* stackEnd = wtfThreadData().stack().origin();
    swapIfBackwards(stackBegin, stackEnd);
    conservativeRoots.add(stackBegin, stackEnd);
}
Exemple #9
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void MachineThreads::gatherConservativeRoots(ConservativeRoots& conservativeRoots, JITStubRoutineSet& jitStubRoutines, CodeBlockSet& codeBlocks, void* stackOrigin, void* stackTop, RegisterState& calleeSavedRegisters)
{
    gatherFromCurrentThread(conservativeRoots, jitStubRoutines, codeBlocks, stackOrigin, stackTop, calleeSavedRegisters);

    size_t size;
    size_t capacity = 0;
    void* buffer = nullptr;
    MutexLocker lock(m_registeredThreadsMutex);
    while (!tryCopyOtherThreadStacks(lock, buffer, capacity, &size))
        growBuffer(size, &buffer, &capacity);

    if (!buffer)
        return;

    conservativeRoots.add(buffer, static_cast<char*>(buffer) + size, jitStubRoutines, codeBlocks);
    fastFree(buffer);
}
Exemple #10
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void RegisterFile::gatherConservativeRoots(ConservativeRoots& conservativeRoots)
{
    conservativeRoots.add(start(), end());
}
Exemple #11
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void JSStack::gatherConservativeRoots(ConservativeRoots& conservativeRoots, JITStubRoutineSet& jitStubRoutines, CodeBlockSet& codeBlocks)
{
    conservativeRoots.add(topOfStack() + 1, highAddress(), jitStubRoutines, codeBlocks);
}
Exemple #12
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void JSStack::gatherConservativeRoots(ConservativeRoots& conservativeRoots)
{
    conservativeRoots.add(topOfStack() + 1, highAddress());
}
Exemple #13
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void JSStack::gatherConservativeRoots(ConservativeRoots& conservativeRoots)
{
    conservativeRoots.add(getBaseOfStack(), getTopOfStack());
}
Exemple #14
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void JSStack::gatherConservativeRoots(ConservativeRoots& conservativeRoots, JITStubRoutineSet& jitStubRoutines, CodeBlockSet& codeBlocks)
{
    conservativeRoots.add(getBaseOfStack(), getTopOfStack(), jitStubRoutines, codeBlocks);
}
Exemple #15
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void JSStack::gatherConservativeRoots(ConservativeRoots& conservativeRoots, JITStubRoutineSet& jitStubRoutines, DFGCodeBlocks& dfgCodeBlocks)
{
    conservativeRoots.add(begin(), end(), jitStubRoutines, dfgCodeBlocks);
}
Exemple #16
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void JSStack::gatherConservativeRoots(ConservativeRoots& conservativeRoots)
{
    conservativeRoots.add(begin(), end());
}