mirror of
https://github.com/upx/upx
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108 lines
3.4 KiB
C++
108 lines
3.4 KiB
C++
/* p_tos.h -- atari/tos executable format
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This file is part of the UPX executable compressor.
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Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 1996-2023 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> <ezerotven+github@gmail.com>
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*/
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#pragma once
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/*************************************************************************
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// atari/tos
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**************************************************************************/
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class PackTos final : public Packer {
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typedef Packer super;
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public:
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explicit PackTos(InputFile *f);
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virtual int getVersion() const override { return 13; }
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virtual int getFormat() const override { return UPX_F_ATARI_TOS; }
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virtual const char *getName() const override { return "atari/tos"; }
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virtual const char *getFullName(const Options *) const override { return "m68k-atari.tos"; }
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virtual const int *getCompressionMethods(int method, int level) const override;
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virtual const int *getFilters() const override;
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virtual void pack(OutputFile *fo) override;
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virtual void unpack(OutputFile *fo) override;
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virtual bool canPack() override;
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virtual int canUnpack() override;
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virtual void fileInfo() override;
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protected:
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virtual Linker *newLinker() const override;
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virtual void buildLoader(const Filter *ft) override;
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unsigned getDecomprOffset(int method, int small) const;
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int readFileHeader();
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bool checkFileHeader();
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struct alignas(1) tos_header_t {
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BE16 fh_magic;
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BE32 fh_text;
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BE32 fh_data;
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BE32 fh_bss;
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BE32 fh_sym;
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BE32 fh_reserved;
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BE32 fh_flag;
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BE16 fh_reloc;
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};
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tos_header_t ih, oh;
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// symbols for buildLoader()
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struct LinkerSymbols {
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enum { LOOP_NONE, LOOP_SUBQ_L, LOOP_SUBQ_W, LOOP_DBRA };
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struct LoopInfo {
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unsigned mode;
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unsigned count;
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unsigned value;
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void init(unsigned count, bool allow_dbra = true);
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};
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// buildLoader() input
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bool need_reloc;
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LoopInfo loop1;
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LoopInfo loop2;
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LoopInfo loop3;
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unsigned up21_d4;
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unsigned up21_a6;
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unsigned up31_base_d4;
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unsigned up31_base_a6;
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// buildLoader() output
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unsigned up31_d4;
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unsigned up31_a6;
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// currently not used by buildLoader()
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unsigned flush_cache_rts_offset;
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unsigned clear_dirty_stack_len;
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unsigned copy_to_stack_len;
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void reset() noexcept { mem_clear(this); }
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};
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LinkerSymbols symbols;
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};
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/* vim:set ts=4 sw=4 et: */
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