procmaps.h

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// dear emacs, this is -*- C++ -*-
 
/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef PROCMAPS_H 
#define PROCMAPS_H 1
#include <vector>
#include <string>
#include <sys/types.h>
class procmaps {
public:
  struct Entry {
    Entry(const char* line);
    unsigned long begAddress;
    unsigned long endAddress;
    bool readable;
    bool writable;
    bool executable;
    bool isPrivate; 
    unsigned int offset;
    unsigned int dev[2]; 
    ino_t inode;
    std::string pathname;
  };
 
  procmaps(size_t entries=1024);
  //not yet  procmaps(int pid);
 
  typedef std::vector<Entry> procmaps_t;
  typedef procmaps_t::const_iterator const_iterator;
  
  const Entry* getEntry(const void* address, bool tryReloadMaps=true);
 
  const procmaps_t& pmaps() const { return m_pmaps; }
  const_iterator begin() const { return pmaps().begin(); }
  const_iterator end() const { return pmaps().end(); }
 
  void loadMaps(bool dump=false); 
 
private:
  procmaps_t m_pmaps;
};
 
inline
bool operator<(procmaps::Entry& lhs, procmaps::Entry& rhs){
  return lhs.begAddress < rhs.begAddress;
}
#endif