// Setup routines for creating fully populated DWFLs. Used in pass 2 and 3.
// Copyright (C) 2009 Red Hat, Inc.
//
// This file is part of systemtap, and is free software.  You can
// redistribute it and/or modify it under the terms of the GNU General
// Public License (GPL); either version 2, or (at your option) any
// later version.
//
#ifndef SETUP_DWFLPP_H
#define SETUP_DWFLPP_H

#include "config.h"
#include "session.h"

#include <set>
#include <string>
#include <vector>

#if defined(HAVE_TR1_MEMORY)
#include <tr1/memory>
using std::tr1::shared_ptr;
#elif defined(HAVE_BOOST_SHARED_PTR_HPP)
#include <boost/shared_ptr.hpp>
using boost::shared_ptr;
#else
#error "No shared_ptr implementation found; get boost or modern g++"
#endif

extern "C" {
#include <elfutils/libdwfl.h>
}

struct StapDwfl
{
public:
  StapDwfl(Dwfl *d) : dwfl(d) { }
  ~StapDwfl() { if (dwfl) dwfl_end (dwfl); }
  Dwfl *dwfl;
};
typedef shared_ptr<StapDwfl> DwflPtr;

DwflPtr setup_dwfl_kernel(const std::string &name,
			  unsigned *found,
			  systemtap_session &s);
DwflPtr setup_dwfl_kernel(const std::set<std::string> &names,
			  unsigned *found,
			  systemtap_session &s);

DwflPtr setup_dwfl_user(const std::string &name);
DwflPtr setup_dwfl_user(std::vector<std::string>::const_iterator &begin,
		        const std::vector<std::string>::const_iterator &end,
		        bool all_needed);

// user-space files must be full paths and not end in .ko
bool is_user_module(const std::string &m);

#endif