/* p_lx_elf.h --

   This file is part of the UPX executable compressor.

   Copyright (C) 1996-2001 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 1996-2001 Laszlo Molnar
   Copyright (C) 2000-2001 John F. Reiser
   All Rights Reserved.

   UPX and the UCL library are free software; you can redistribute them
   and/or modify them 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; see the file COPYING.
   If not, write to the Free Software Foundation, Inc.,
   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

   Markus F.X.J. Oberhumer   Laszlo Molnar           John F. Reiser
   markus@oberhumer.com      ml1050@cdata.tvnet.hu   jreiser@BitWagon.com
 */


#ifndef __UPX_P_LX_ELF_H  //{
#define __UPX_P_LX_ELF_H


/*************************************************************************
// linux/elf386
**************************************************************************/

class PackLinuxI386elf : public PackLinuxI386
{
    typedef PackLinuxI386 super;
public:
    PackLinuxI386elf(InputFile *f);
    virtual ~PackLinuxI386elf();
    virtual int getVersion() const { return 11; }
    virtual int getFormat() const { return UPX_F_LINUX_ELF_i386; }
    virtual const char *getName() const { return "linux/elf386"; }
    virtual const int *getFilters() const;
    virtual int buildLoader(const Filter *);

    virtual void unpack(OutputFile *fo);

    virtual bool canPack();
    virtual bool canUnpackVersion(int version) const
        { return (version >= 11); }

protected:
    struct Extent {
        off_t offset;
        off_t size;
    };
    virtual void packExtent(Extent const &x,
        unsigned &total_in, unsigned &total_out, Filter *, OutputFile *);
    virtual void unpackExtent(unsigned wanted, OutputFile *fo,
        unsigned &total_in, unsigned &total_out,
        unsigned &c_adler, unsigned &u_adler, bool first_PF_X);

protected:
    virtual void pack1(OutputFile *, Filter &);  // generate executable header
    virtual void pack2(OutputFile *, Filter &);  // append compressed data

    virtual void patchLoader();

    Elf_LE32_Ehdr  ehdri; // from input file
    Elf_LE32_Phdr *phdri; // for  input file
    unsigned sz_phdrs;  // sizeof Phdr[]

};


#endif /*} already included */


/*
vi:ts=4:et
*/