1
0
mirror of https://github.com/upx/upx synced 2025-10-05 19:20:23 +08:00
upx/src/p_lx_elf.h
John Reiser 1555be40b7 fix alignment of loader after packing multiple blocks
p_lx_elf.h p_lx_elf.cpp

committer: jreiser <jreiser> 1080880623 +0000
2004-04-02 04:37:03 +00:00

89 lines
2.8 KiB
C++

/* p_lx_elf.h --
This file is part of the UPX executable compressor.
Copyright (C) 1996-2004 Markus Franz Xaver Johannes Oberhumer
Copyright (C) 1996-2004 Laszlo Molnar
Copyright (C) 2000-2004 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 13; }
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(const Extent &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, unsigned szb_info );
protected:
virtual void pack1(OutputFile *, Filter &); // generate executable header
virtual void pack2(OutputFile *, Filter &); // append compressed data
virtual void pack3(OutputFile *, Filter &); // append loader
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
*/