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relocationinfo.h

Go to the documentation of this file.

/*
PeRdr - PE file disassembler
Copyright (C) 1999-2003 Frediano Ziglio
-----

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-----

INFORMATION
  www: https://freddy77.tripod.com/perdr/
  e-mail: freddy77@angelfire.com
*/
#ifndef FILE_RELOCATIONINFO_H
#define FILE_RELOCATIONINFO_H

#include <set>

// contiene informazioni circa le rilocazioni di un letterale
class Relocation
{
public:
  // tipi di rilocazione
  // relError e' usata nel caso che la rilocazione non sia completa
  // (es: presi 2 byte di una rilocazione)
        typedef enum _Type { relNone, relRelative, relAbsolute } Type;
  Relocation(Type _type = relNone):type(_type) {};
  Type GetType() const { return type; };
  void SetType(Type _type) { type = _type; };
private:
  Type type;
};

class RelocationInfos
{
public:
        /** Hold relocation info for returning error */
        static const Relocation relError;
  void AddRelocation(const Relocation& rel,vma_t address);
  /** 
   * return relocation at a given address 
   * @return Valid relocation pointer or &RelocationInfos::relError
   */
  const Relocation* GetRelocation(vma_t address,unsigned bytes) const;
  const Relocation* GetRelocation(vma_t address) const;
private:
  // per ora contiene solo rilocazioni di tipo relativo
  typedef std::set<vma_t,std::less<vma_t> > t_relocations;
  t_relocations relocations;
};

#endif //FILE_RELOCATIONINFO_H

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