mirror of
https://github.com/upx/upx
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128 lines
3.8 KiB
C++
128 lines
3.8 KiB
C++
/* p_ps1.h --
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This file is part of the UPX executable compressor.
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Copyright (C) 1996-2025 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 1996-2025 Laszlo Molnar
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Copyright (C) 2002-2025 Jens Medoch
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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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Jens Medoch
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<jssg@users.sourceforge.net>
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*/
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#pragma once
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/*************************************************************************
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// ps1/exe
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**************************************************************************/
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class PackPs1 final : public Packer {
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typedef Packer super;
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public:
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explicit PackPs1(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_PS1_EXE; }
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virtual const char *getName() const override { return "ps1/exe"; }
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virtual const char *getFullName(const Options *) const override { return "mipsel.r3000-ps1"; }
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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 tribool canPack() override;
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virtual tribool canUnpack() override;
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protected:
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void putBkupHeader(const byte *src, byte *dst, unsigned *len);
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bool getBkupHeader(byte *src, byte *dst);
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bool readBkupHeader();
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virtual void buildLoader(const Filter *ft) override;
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bool findBssSection();
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virtual Linker *newLinker() const override;
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int readFileHeader();
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bool checkFileHeader();
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struct alignas(1) ps1_exe_t {
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// ident string
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byte id[8];
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// is nullptr
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LE32 text;
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// is nullptr
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LE32 data;
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// initial program counter
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LE32 epc;
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// initial gp register value
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LE32 gp;
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// load offset of binary data
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LE32 tx_ptr, tx_len;
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LE32 da_ptr, da_len;
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LE32 bs_ptr, bs_len;
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// initial stack params
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LE32 is_ptr, is_len;
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// saved regs on execution
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LE32 sp, fp, gp0, ra, k0;
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// origin Jap/USA/Europe
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byte origin[60];
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// backup of the original header (epc - is_len)
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// id & the upx header ...
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};
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// for unpack
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struct alignas(1) ps1_exe_hb_t {
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LE32 ih_bkup[10];
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// plus checksum for the backup
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LE32 ih_csum;
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};
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struct alignas(1) ps1_exe_chb_t {
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byte id;
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byte len;
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LE16 ih_csum;
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byte ih_bkup;
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};
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struct alignas(1) bss_nfo {
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LE16 hi1, op1, lo1, op2;
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LE16 hi2, op3, lo2, op4;
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};
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ps1_exe_t ih = {}, oh = {};
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ps1_exe_hb_t bh = {};
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bool isCon = false;
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bool is32Bit = false;
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bool buildPart2 = false;
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bool foundBss = false;
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unsigned ram_size = 0;
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unsigned sa_cnt = 0, overlap = 0;
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unsigned sz_lunc = 0, sz_lcpr = 0;
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unsigned pad_code = 0;
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unsigned bss_start = 0, bss_end = 0;
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// filesize-PS_HDR_SIZE
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unsigned fdata_size = 0;
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};
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/* vim:set ts=4 sw=4 et: */
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