LIEF/include/LIEF/MachO/RelocationObject.hpp
2020-11-20 06:43:12 +01:00

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2.7 KiB
C++

/* 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_MACHO_RELOCATION_OBJECT_COMMAND_H_
#define LIEF_MACHO_RELOCATION_OBJECT_COMMAND_H_
#include <iostream>
#include "LIEF/visibility.h"
#include "LIEF/types.hpp"
#include "LIEF/MachO/Relocation.hpp"
namespace LIEF {
namespace MachO {
class BinaryParser;
struct relocation_info;
struct scattered_relocation_info;
class LIEF_API RelocationObject : public Relocation {
friend class BinaryParser;
public:
using Relocation::Relocation;
RelocationObject(void);
RelocationObject(const relocation_info *relocinfo);
RelocationObject(const scattered_relocation_info *scattered_relocinfo);
RelocationObject& operator=(RelocationObject other);
RelocationObject(const RelocationObject& other);
void swap(RelocationObject& other);
virtual ~RelocationObject(void);
virtual RelocationObject* clone(void) const override;
virtual bool is_pc_relative(void) const override;
virtual size_t size(void) const override;
virtual uint64_t address(void) const override;
//! @brief ``true`` if the relocation is a scattered one
bool is_scattered(void) const;
//! @brief For **scattered** relocations,
//! The address of the relocatable expression for the item in the file that needs
//! to be updated if the address is changed.
//!
//! For relocatable expressions with the difference of two section addresses,
//! the address from which to subtract (in mathematical terms, the minuend)
//! is contained in the first relocation entry and the address to subtract (the subtrahend)
//! is contained in the second relocation entry.
int32_t value(void) const;
//! @brief Origin of the relocation
virtual RELOCATION_ORIGINS origin(void) const override;
virtual void pc_relative(bool val) override;
virtual void size(size_t size) override;
void value(int32_t value);
bool operator==(const RelocationObject& rhs) const;
bool operator!=(const RelocationObject& rhs) const;
virtual void accept(Visitor& visitor) const override;
virtual std::ostream& print(std::ostream& os) const override;
private:
bool is_pcrel_;
bool is_scattered_;
int32_t value_;
};
}
}
#endif