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Copy pathsymboltable.cpp
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260 lines (217 loc) · 6.73 KB
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#include "symboltable.h"
#include "addresstext.h"
#include "theme.h"
#include <algorithm>
#include <memory>
using namespace SharedCacheAPI;
namespace {
enum SymbolsTableColumn
{
SymbolsTableAddressColumn,
SymbolsTableTypeColumn,
SymbolsTableImageColumn,
SymbolsTableNameColumn,
SymbolsTableColumnCount,
};
QString SymbolTypeAsString(BNSymbolType type)
{
const std::string name = GetSymbolTypeAsString(type);
return QString::fromUtf8(name.c_str(), name.size());
}
const SymbolTableModel::AddressRange* RangeContaining(
const std::vector<SymbolTableModel::AddressRange>& ranges, uint64_t address)
{
auto it = std::upper_bound(ranges.begin(), ranges.end(), address,
[](uint64_t address, const SymbolTableModel::AddressRange& range) {
return address < range.start;
});
if (it == ranges.begin())
return nullptr;
--it;
if (address >= it->end)
return nullptr;
return &*it;
}
// The image lookup key for a row, or nullopt when the symbol is outside any image.
std::optional<uint64_t> ImageKey(const SymbolRow& row)
{
if (row.imageStart == 0)
return std::nullopt;
return row.imageStart;
}
QString ImageNameForSymbol(const ImageNameLookup::State& names, const SymbolRow& row)
{
return ImageNameLookup::displayName(names, ImageKey(row), row.regionStart);
}
} // namespace
SymbolTableModel::SymbolTableModel(QWidget* parent) : TriageTableRowsModel(parent)
{
m_finalComparator = [](const SymbolRow& a, const SymbolRow& b) { return a.symbol.address < b.symbol.address; };
}
int SymbolTableModel::columnCount(const QModelIndex& parent) const
{
Q_UNUSED(parent);
return SymbolsTableColumnCount;
}
QVariant SymbolTableModel::data(const QModelIndex& index, int role) const
{
if (!index.isValid())
return QVariant();
const size_t row = static_cast<size_t>(index.row());
BN_ASSERT(row < m_rows.displayCount());
if (row >= m_rows.displayCount())
return QVariant();
switch (role)
{
case Qt::DisplayRole:
{
const auto& symbolRow = rowAt(index.row());
const auto& symbol = symbolRow.symbol;
switch (index.column())
{
case SymbolsTableAddressColumn:
return QString::fromStdString(AddressText(symbol.address, m_addressWidth));
case SymbolsTableTypeColumn:
return SymbolTypeAsString(symbol.type);
case SymbolsTableImageColumn:
return ImageNameForSymbol(*m_names.snapshot(), symbolRow);
case SymbolsTableNameColumn:
return QString::fromUtf8(symbol.name.c_str(), symbol.name.size());
default:
return QVariant();
}
}
case Qt::ForegroundRole:
switch (index.column())
{
case SymbolsTableAddressColumn:
return getThemeColor(AddressColor);
case SymbolsTableTypeColumn:
return getThemeColor(TypeNameColor);
case SymbolsTableNameColumn:
switch (symbolAt(index.row()).type)
{
case FunctionSymbol:
return getThemeColor(CodeSymbolColor);
case DataSymbol:
return getThemeColor(DataSymbolColor);
default:
return QVariant();
}
default:
return QVariant();
}
case Qt::ToolTipRole:
{
if (index.column() != SymbolsTableImageColumn)
return QVariant();
const auto& symbolRow = rowAt(index.row());
if (QString tooltip = m_names.tooltip(ImageKey(symbolRow), symbolRow.regionStart); !tooltip.isEmpty())
return tooltip;
return QVariant();
}
case Qt::FontRole:
return m_font;
default:
return QVariant();
}
}
QVariant SymbolTableModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (role != Qt::DisplayRole || orientation != Qt::Horizontal)
return QVariant();
switch (section)
{
case SymbolsTableAddressColumn:
return QString("Address");
case SymbolsTableTypeColumn:
return QString("Type");
case SymbolsTableImageColumn:
return QString("Image");
case SymbolsTableNameColumn:
return QString("Name");
default:
return QVariant();
}
}
SymbolTableModel::KeyOrdering SymbolTableModel::orderingForColumn(int column) const
{
switch (column)
{
case SymbolsTableAddressColumn:
return [](const SymbolRow& a, const SymbolRow& b) { return a.symbol.address <=> b.symbol.address; };
case SymbolsTableTypeColumn:
return [](const SymbolRow& a, const SymbolRow& b) { return a.symbol.type <=> b.symbol.type; };
case SymbolsTableNameColumn:
return [](const SymbolRow& a, const SymbolRow& b) { return a.symbol.name <=> b.symbol.name; };
case SymbolsTableImageColumn:
return ImageColumnOrdering<SymbolRow>(*m_names.snapshot());
default:
return nullptr;
}
}
void SymbolTableModel::setNameSources(const SharedCacheController& controller)
{
m_names.build(controller);
m_addressWidth = BNGetAddressRenderedWidth(m_names.maxAddress());
auto ranges = std::make_shared<std::vector<AddressRange>>();
for (const auto& region : controller.GetRegions())
ranges->push_back({region.start, region.start + region.size, region.imageStart});
std::sort(ranges->begin(), ranges->end(),
[](const AddressRange& a, const AddressRange& b) { return a.start < b.start; });
m_ranges = std::move(ranges);
}
void SymbolTableModel::appendSymbols(std::vector<CacheSymbol> symbols)
{
std::vector<SymbolRow> rows;
rows.reserve(symbols.size());
for (auto& symbol : symbols)
{
const auto* range = RangeContaining(*m_ranges, symbol.address);
rows.push_back({std::move(symbol), range ? range->imageStart.value_or(0) : 0,
range ? range->start : 0});
}
appendRows(std::move(rows));
}
bool SymbolTableModel::rowsEquivalent(const SymbolRow& a, const SymbolRow& b) const
{
return a.symbol.address == b.symbol.address && a.symbol.name == b.symbol.name;
}
void SymbolTableModel::applyFilter()
{
if (m_filterText.empty())
{
m_rows.setFilter(nullptr);
return;
}
const auto snapshot = filterSnapshot();
const uint32_t addressWidth = m_addressWidth;
const auto names = m_names.snapshot();
m_rows.setFilterFactory([snapshot, addressWidth, names]() -> Predicate {
FilterParams params = MakeFilterParams(snapshot);
return [params = std::move(params), addressWidth, names](const SymbolRow& row) {
QString imageName;
if (params.matchImageNames)
imageName = ImageNameForSymbol(*names, row);
return MatchesText(params, row.symbol.name, row.symbol.address, addressWidth, imageName);
};
});
}
SymbolTableView::SymbolTableView(QWidget* parent) : TriageTableView(parent)
{
m_model = new SymbolTableModel(this);
setTriageModel(m_model, SymbolsTableAddressColumn);
applyDefaultColumnWidths();
}
void SymbolTableView::setNameSources(const SharedCacheController& controller)
{
m_model->setNameSources(controller);
applyDefaultColumnWidths();
}
void SymbolTableView::applyDefaultColumnWidths()
{
fitColumn(SymbolsTableAddressColumn, {QString(m_model->addressWidth(), QChar('0'))});
fitColumn(SymbolsTableTypeColumn,
{SymbolTypeAsString(FunctionSymbol), SymbolTypeAsString(DataSymbol), QStringLiteral("Unknown")});
fitColumn(SymbolsTableImageColumn, {m_model->names().widestImageColumnText()});
}