mirror of
https://github.com/upx/upx
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143 lines
4.2 KiB
C++
143 lines
4.2 KiB
C++
/* p_vmlinz.h --
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This file is part of the UPX executable compressor.
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Copyright (C) 1996-2006 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 1996-2006 Laszlo Molnar
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All Rights Reserved.
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UPX and the UCL library are free software; you can redistribute them
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and/or modify them under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING.
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If not, write to the Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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Markus F.X.J. Oberhumer Laszlo Molnar
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markus@oberhumer.com ml1050@users.sourceforge.net
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*/
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#ifndef __UPX_P_VMLINZ_H
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#define __UPX_P_VMLINZ_H
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/*************************************************************************
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// vmlinuz/i386 (gzip compressed Linux kernel image)
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**************************************************************************/
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class PackVmlinuzI386 : public Packer
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{
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typedef Packer super;
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public:
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PackVmlinuzI386(InputFile *f);
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virtual int getVersion() const { return 13; }
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virtual int getFormat() const { return UPX_F_VMLINUZ_i386; }
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virtual const char *getName() const { return "vmlinuz/386"; }
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virtual const int *getCompressionMethods(int method, int level) const;
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virtual const int *getFilters() const;
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virtual void pack(OutputFile *fo);
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virtual void unpack(OutputFile *fo);
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virtual bool canPack();
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virtual int canUnpack();
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protected:
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virtual int readFileHeader();
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virtual int decompressKernel();
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virtual void readKernel();
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virtual int buildLoader(const Filter *ft);
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// virtual const upx_byte *getLoader() const;
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// virtual int getLoaderSize() const;
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struct boot_sect_t
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{
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char _[0x1f1];
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unsigned char setup_sects;
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char __[2];
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LE16 sys_size;
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char ___[8];
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LE16 boot_flag; // 0xAA55
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// 0x200
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char ____[2];
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unsigned char hdrs[4]; // "HdrS"
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LE16 version; // boot protocol
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char _____[9];
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unsigned char load_flags;
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char ______[2];
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LE32 code32_start;
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// some more uninteresting fields here ...
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// see /usr/src/linux/Documentation/i386/zero-page.txt
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}
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__attribute_packed;
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MemBuffer setup_buf;
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int setup_size;
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};
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/*************************************************************************
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// bvmlinuz/i386 (gzip compressed Linux kernel image)
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**************************************************************************/
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class PackBvmlinuzI386 : public PackVmlinuzI386
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{
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typedef PackVmlinuzI386 super;
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public:
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PackBvmlinuzI386(InputFile *f) : super(f) { }
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virtual int getFormat() const { return UPX_F_BVMLINUZ_i386; }
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virtual const char *getName() const { return "bvmlinuz/386"; }
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virtual void pack(OutputFile *fo);
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protected:
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virtual int buildLoader(const Filter *ft);
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};
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/*************************************************************************
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// elks/8086 (linux-8086 uncompressed kernel image)
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**************************************************************************/
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class PackElks8086 : public PackVmlinuzI386
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{
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typedef PackVmlinuzI386 super;
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public:
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PackElks8086(InputFile *f) : super(f) { }
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virtual int getFormat() const { return UPX_F_ELKS_8086; }
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virtual const char *getName() const { return "elks/8086"; }
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virtual const int *getCompressionMethods(int method, int level) const;
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virtual const int *getFilters() const;
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virtual void pack(OutputFile *fo);
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virtual void unpack(OutputFile *fo);
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virtual int canUnpack();
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protected:
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virtual int decompressKernel();
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virtual void readKernel();
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virtual int buildLoader(const Filter *ft);
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};
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#endif /* already included */
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/*
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vi:ts=4:et
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*/
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