示例#1
0
void HeapSnapshotBuilder::appendPropertyNameEdge(JSCell* from, JSCell* to, UniquedStringImpl* propertyName)
{
    ASSERT(m_profiler.activeSnapshotBuilder() == this);
    ASSERT(to);

    std::lock_guard<Lock> lock(m_buildingEdgeMutex);

    m_edges.append(HeapSnapshotEdge(from, to, EdgeType::Property, propertyName));
}
示例#2
0
void HeapSnapshotBuilder::appendIndexEdge(JSCell* from, JSCell* to, uint32_t index)
{
    ASSERT(m_profiler.activeSnapshotBuilder() == this);
    ASSERT(to);

    std::lock_guard<Lock> lock(m_buildingEdgeMutex);

    m_edges.append(HeapSnapshotEdge(from, to, index));
}
示例#3
0
void HeapSnapshotBuilder::appendEdge(JSCell* from, JSCell* to)
{
    ASSERT(m_profiler.activeSnapshotBuilder() == this);
    ASSERT(to);

    // Avoid trivial edges.
    if (from == to)
        return;

    std::lock_guard<Lock> lock(m_buildingEdgeMutex);

    m_edges.append(HeapSnapshotEdge(from, to));
}
void HeapSnapshotBuilder::appendEdge(JSCell* from, JSCell* to, SlotVisitor::RootMarkReason rootMarkReason)
{
    ASSERT(m_profiler.activeSnapshotBuilder() == this);
    ASSERT(to);

    // Avoid trivial edges.
    if (from == to)
        return;

    std::lock_guard<Lock> lock(m_buildingEdgeMutex);

    if (m_snapshotType == SnapshotType::GCDebuggingSnapshot && !from) {
        if (rootMarkReason == SlotVisitor::RootMarkReason::None && m_snapshotType == SnapshotType::GCDebuggingSnapshot)
            WTFLogAlways("Cell %p is a root but no root marking reason was supplied", to);

        m_rootData.ensure(to, [] () -> RootData {
            return { };
        }).iterator->value.markReason = rootMarkReason;
    }

    m_edges.append(HeapSnapshotEdge(from, to));
}