Markus F.X.J. Oberhumer
109 lines
3.3 KiB
C++
109 lines
3.3 KiB
C++
/* p_djgpp2.h --
|
|
|
|
This file is part of the UPX executable compressor.
|
|
|
|
Copyright (C) 1996-2022 Markus Franz Xaver Johannes Oberhumer
|
|
Copyright (C) 1996-2022 Laszlo Molnar
|
|
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
|
|
<markus@oberhumer.com> <ezerotven+github@gmail.com>
|
|
*/
|
|
|
|
#pragma once
|
|
#ifndef UPX_P_DJGPP2_H__
|
|
#define UPX_P_DJGPP2_H__ 1
|
|
|
|
/*************************************************************************
|
|
// djgpp2/coff
|
|
**************************************************************************/
|
|
|
|
class PackDjgpp2 final : public Packer {
|
|
typedef Packer super;
|
|
|
|
public:
|
|
PackDjgpp2(InputFile *f);
|
|
virtual int getVersion() const override { return 14; }
|
|
virtual int getFormat() const override { return UPX_F_DJGPP2_COFF; }
|
|
virtual const char *getName() const override { return "djgpp2/coff"; }
|
|
virtual const char *getFullName(const options_t *) const override {
|
|
return "i386-dos32.djgpp2.coff";
|
|
}
|
|
virtual const int *getCompressionMethods(int method, int level) const override;
|
|
virtual const int *getFilters() const override;
|
|
|
|
virtual void pack(OutputFile *fo) override;
|
|
virtual void unpack(OutputFile *fo) override;
|
|
|
|
virtual bool canPack() override;
|
|
virtual int canUnpack() override;
|
|
|
|
protected:
|
|
void handleStub(OutputFile *fo);
|
|
int readFileHeader();
|
|
|
|
virtual unsigned findOverlapOverhead(const upx_bytep buf, const upx_bytep tbuf,
|
|
unsigned range = 0,
|
|
unsigned upper_limit = ~0u) const override;
|
|
virtual void buildLoader(const Filter *ft) override;
|
|
virtual Linker *newLinker() const override;
|
|
|
|
unsigned coff_offset;
|
|
|
|
struct alignas(1) external_scnhdr_t {
|
|
char _[12]; // name, paddr
|
|
LE32 vaddr;
|
|
LE32 size;
|
|
LE32 scnptr;
|
|
char misc[12]; // relptr, lnnoptr, nreloc, nlnno
|
|
char __[4]; // flags
|
|
};
|
|
|
|
struct alignas(1) coff_header_t {
|
|
// ext_file_hdr
|
|
LE16 f_magic;
|
|
LE16 f_nscns;
|
|
char _[4]; // f_timdat
|
|
LE32 f_symptr;
|
|
LE32 f_nsyms;
|
|
char __[2]; // f_opthdr
|
|
LE16 f_flags;
|
|
|
|
// aout_hdr
|
|
LE16 a_magic;
|
|
char ___[2]; // a_vstamp
|
|
LE32 a_tsize;
|
|
LE32 a_dsize;
|
|
char ____[4]; // a_bsize
|
|
LE32 a_entry;
|
|
char _____[8]; // a_text_start a_data_start
|
|
|
|
// section headers
|
|
external_scnhdr_t sh[3];
|
|
};
|
|
|
|
coff_header_t coff_hdr;
|
|
external_scnhdr_t *text, *data, *bss;
|
|
|
|
void stripDebug();
|
|
};
|
|
|
|
#endif /* already included */
|
|
|
|
/* vim:set ts=4 sw=4 et: */
|