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/* Copyright 2017 R. Thomas
* Copyright 2017 Quarkslab
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*/
#ifndef LIEF_ELF_SYMBOL_VERSION_H_
#define LIEF_ELF_SYMBOL_VERSION_H_
#include <string>
#include <iostream>
#include <list>
#include <memory>
#include "LIEF/Object.hpp"
#include "LIEF/visibility.h"
#include "LIEF/ELF/Structures.hpp"
#include "LIEF/ELF/SymbolVersionAux.hpp"
namespace LIEF {
namespace ELF {
class Parser;
//! @brief Class which modelization of an entry defined in ``DT_VERSYM``
class LIEF_API SymbolVersion : public Object {
friend class Parser;
public:
SymbolVersion(uint16_t value);
SymbolVersion(void);
//! Generate a *local* SymbolVersion
static SymbolVersion local(void);
//! Generate a *global* SymbolVersion
static SymbolVersion global(void);
virtual ~SymbolVersion(void);
SymbolVersion& operator=(const SymbolVersion&);
SymbolVersion(const SymbolVersion&);
//! Value associated with the symbol
//!
//! If the given SymbolVersion hasn't Auxiliary version:
//!
//! * ``0`` means **Local**
//! * ``1`` means **Global**
uint16_t value(void) const;
//! Whether or not the current SymbolVersion has an auxiliary one
bool has_auxiliary_version(void) const;
//! SymbolVersionAux associated with the current Version (if any)
SymbolVersionAux& symbol_version_auxiliary(void);
const SymbolVersionAux& symbol_version_auxiliary(void) const;
void value(uint16_t v);
virtual void accept(Visitor& visitor) const override;
bool operator==(const SymbolVersion& rhs) const;
bool operator!=(const SymbolVersion& rhs) const;
LIEF_API friend std::ostream& operator<<(std::ostream& os, const SymbolVersion& symv);
private:
uint16_t value_;
SymbolVersionAux* symbol_aux_;
};
}
}
#endif
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