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upx/src/p_tos.h
2009-02-12 05:20:23 +01:00

116 lines
3.3 KiB
C++

/* p_tos.h --
This file is part of the UPX executable compressor.
Copyright (C) 1996-2009 Markus Franz Xaver Johannes Oberhumer
Copyright (C) 1996-2009 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> <ml1050@users.sourceforge.net>
*/
#ifndef __UPX_P_TOS_H
#define __UPX_P_TOS_H
/*************************************************************************
// atari/tos
**************************************************************************/
class PackTos : public Packer
{
typedef Packer super;
public:
PackTos(InputFile *f);
virtual int getVersion() const { return 13; }
virtual int getFormat() const { return UPX_F_ATARI_TOS; }
virtual const char *getName() const { return "atari/tos"; }
virtual const char *getFullName(const options_t *) const { return "m68k-atari.tos"; }
virtual const int *getCompressionMethods(int method, int level) const;
virtual const int *getFilters() const;
virtual void pack(OutputFile *fo);
virtual void unpack(OutputFile *fo);
virtual bool canPack();
virtual int canUnpack();
virtual void fileInfo();
protected:
virtual Linker* newLinker() const;
virtual void buildLoader(const Filter *ft);
unsigned getDecomprOffset(int method, int small) const;
virtual int readFileHeader();
virtual bool checkFileHeader();
__packed_struct(tos_header_t)
BE16 fh_magic;
BE32 fh_text;
BE32 fh_data;
BE32 fh_bss;
BE32 fh_sym;
BE32 fh_reserved;
BE32 fh_flag;
BE16 fh_reloc;
__packed_struct_end()
tos_header_t ih, oh;
// symbols for buildLoader()
struct LinkerSymbols
{
enum { LOOP_NONE, LOOP_SUBQ_L, LOOP_SUBQ_W, LOOP_DBRA };
struct LoopInfo {
unsigned mode; unsigned count; unsigned value;
void init(unsigned count, bool allow_dbra=true);
};
// buildLoader() input
bool need_reloc;
LoopInfo loop1;
LoopInfo loop2;
LoopInfo loop3;
unsigned up21_d4;
unsigned up21_a6;
unsigned up31_base_d4;
unsigned up31_base_a6;
// buildLoader() output
unsigned up31_d4;
unsigned up31_a6;
// currently not used by buildLoader()
unsigned flush_cache_rts_offset;
unsigned clear_dirty_stack_len;
unsigned copy_to_stack_len;
void reset() { memset(this, 0, sizeof(*this)); }
};
LinkerSymbols symbols;
};
#endif /* already included */
/*
vi:ts=4:et
*/