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d520413454
Remove MultiVersion for SymbolIndex structure since after #51873 it is useless. Follow-up for: #51873 Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
131 lines
4.2 KiB
C++
131 lines
4.2 KiB
C++
#pragma once
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#if defined(__ELF__) && !defined(OS_FREEBSD)
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#include <Common/Dwarf.h>
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#include <Common/SymbolIndex.h>
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#include <Common/HashTable/HashMap.h>
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#include <Common/Arena.h>
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#include <Columns/ColumnString.h>
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#include <Columns/ColumnArray.h>
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#include <Columns/ColumnsNumber.h>
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#include <DataTypes/DataTypeString.h>
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#include <DataTypes/DataTypeArray.h>
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#include <Functions/IFunction.h>
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#include <Functions/FunctionFactory.h>
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#include <IO/WriteBufferFromArena.h>
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#include <IO/WriteHelpers.h>
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#include <Access/Common/AccessFlags.h>
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#include <Interpreters/Context.h>
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#include <mutex>
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#include <filesystem>
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#include <unordered_map>
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namespace DB
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{
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namespace ErrorCodes
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{
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extern const int ILLEGAL_COLUMN;
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extern const int ILLEGAL_TYPE_OF_ARGUMENT;
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extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
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}
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template <typename ResultT, Dwarf::LocationInfoMode locationInfoMode>
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class FunctionAddressToLineBase : public IFunction
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{
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public:
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size_t getNumberOfArguments() const override { return 1; }
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bool isSuitableForShortCircuitArgumentsExecution(const DataTypesWithConstInfo & /*arguments*/) const override { return true; }
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DataTypePtr getReturnTypeImpl(const ColumnsWithTypeAndName & arguments) const override
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{
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if (arguments.size() != 1)
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throw Exception(ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH, "Function {} needs exactly one argument; passed {}.",
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getName(), arguments.size());
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const auto & type = arguments[0].type;
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if (!WhichDataType(type.get()).isUInt64())
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throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "The only argument for function {} must be UInt64. "
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"Found {} instead.", getName(), type->getName());
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return getDataType();
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}
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bool useDefaultImplementationForConstants() const override { return true; }
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ColumnPtr executeImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr &, size_t input_rows_count) const override
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{
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const ColumnPtr & column = arguments[0].column;
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const ColumnUInt64 * column_concrete = checkAndGetColumn<ColumnUInt64>(column.get());
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if (!column_concrete)
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throw Exception(ErrorCodes::ILLEGAL_COLUMN, "Illegal column {} of argument of function {}",
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column->getName(), getName());
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const typename ColumnVector<UInt64>::Container & data = column_concrete->getData();
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return getResultColumn(data, input_rows_count);
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}
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protected:
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virtual DataTypePtr getDataType() const = 0;
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virtual ColumnPtr getResultColumn(const typename ColumnVector<UInt64>::Container & data, size_t input_rows_count) const = 0;
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virtual void
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setResult(ResultT & result, const Dwarf::LocationInfo & location, const std::vector<Dwarf::SymbolizedFrame> & frames) const = 0;
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struct Cache
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{
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std::mutex mutex;
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Arena arena;
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using Map = HashMap<uintptr_t, ResultT>;
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Map map;
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std::unordered_map<std::string, Dwarf> dwarfs;
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};
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mutable Cache cache;
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ResultT impl(uintptr_t addr) const
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{
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const SymbolIndex & symbol_index = SymbolIndex::instance();
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if (const auto * object = symbol_index.findObject(reinterpret_cast<const void *>(addr)))
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{
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auto dwarf_it = cache.dwarfs.try_emplace(object->name, object->elf).first;
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if (!std::filesystem::exists(object->name))
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return {};
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Dwarf::LocationInfo location;
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std::vector<Dwarf::SymbolizedFrame> frames; // NOTE: not used in FAST mode.
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ResultT result;
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if (dwarf_it->second.findAddress(addr - uintptr_t(object->address_begin), location, locationInfoMode, frames))
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{
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setResult(result, location, frames);
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return result;
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}
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else
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return {object->name};
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}
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else
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return {};
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}
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ResultT implCached(uintptr_t addr) const
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{
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typename Cache::Map::LookupResult it;
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bool inserted;
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std::lock_guard lock(cache.mutex);
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cache.map.emplace(addr, it, inserted);
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if (inserted)
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it->getMapped() = impl(addr);
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return it->getMapped();
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}
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};
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}
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#endif
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