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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// -*- mode: C++ -*-
//
// Copyright 2022 Google LLC
//
// Licensed under the Apache License v2.0 with LLVM Exceptions (the
// "License"); you may not use this file except in compliance with the
// License. You may obtain a copy of the License at
//
// https://llvm.org/LICENSE.txt
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Author: Aleksei Vetrov
#ifndef STG_ELF_READER_H_
#define STG_ELF_READER_H_
#include <cstddef>
#include <memory>
#include <string>
#include <string_view>
#include <unordered_map>
#include <unordered_set>
#include <vector>
#include "elf_loader.h"
#include "filter.h"
#include "graph.h"
#include "reader_options.h"
#include "runtime.h"
namespace stg {
namespace elf {
Id Read(Runtime& runtime, Graph& graph, const std::string& path,
ReadOptions options, const std::unique_ptr<Filter>& file_filter);
Id Read(Runtime& runtime, Graph& graph, char* data, size_t size,
ReadOptions options, const std::unique_ptr<Filter>& file_filter);
// For unit tests only
namespace internal {
using SymbolTable = std::vector<SymbolTableEntry>;
using SymbolNameList = std::unordered_set<std::string_view>;
using CRCValuesMap = std::unordered_map<std::string, ElfSymbol::CRC>;
using NamespacesMap = std::unordered_map<std::string, std::string>;
using AddressMap = std::unordered_map<std::string, size_t>;
ElfSymbol::SymbolType ConvertSymbolType(
SymbolTableEntry::SymbolType symbol_type);
SymbolNameList GetKsymtabSymbols(const SymbolTable& symbols);
CRCValuesMap GetCRCValuesMap(const SymbolTable& symbols, const ElfLoader& elf);
NamespacesMap GetNamespacesMap(const SymbolTable& symbols,
const ElfLoader& elf);
AddressMap GetCFIAddressMap(const SymbolTable& symbols, const ElfLoader& elf);
bool IsPublicFunctionOrVariable(const SymbolTableEntry& symbol);
} // namespace internal
} // namespace elf
} // namespace stg
#endif // STG_ELF_READER_H_
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