New ps1/exe version from Jens. Needs new asm5900-mfx5.

committer: mfx <mfx> 1034617199 +0000
2002-10-14 17:39:59 +00:00
parent accbc5d809
commit fe531960ab
18 changed files with 181 additions and 124 deletions
@@ -0,0 +1,112 @@
+/* p_ps1.h --
+
+   This file is part of the UPX executable compressor.
+
+   Copyright (C) 1996-2001 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2001 Laszlo Molnar
+   Copyright (C) 2002      Jens Medoch
+
+   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
+   <mfx@users.sourceforge.net>          <ml1050@users.sourceforge.net>
+
+   Jens Medoch
+   <jssg@users.sourceforge.net>
+ */
+
+
+#ifndef __UPX_P_PS1_H
+#define __UPX_P_PS1_H
+
+
+/*************************************************************************
+// ps1/exe
+**************************************************************************/
+
+class PackPs1 : public Packer
+{
+    typedef Packer super;
+public:
+    PackPs1(InputFile *f);
+    virtual int getVersion() const { return 13; }
+    virtual int getFormat() const { return UPX_F_PS_EXE; }
+    virtual const char *getName() const { return "ps1/exe"; }
+    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();
+
+protected:
+    virtual int buildLoader(const Filter *ft);
+    virtual int patch_mips_le16(void *b, int blen, const void *old, unsigned new_);
+    virtual int patch_mips_le32(void *b, int blen, const void *old, unsigned new_);
+    virtual int patch_hi_lo(void *b, int blen, const void *old_hi, const void *old_lo, unsigned new_);
+
+    struct ps1_exe_t
+    {
+        char id[8];
+        LE32 text;
+        LE32 data;
+        LE32 epc;
+        LE32 gp;
+        LE32 tx_ptr;
+        LE32 tx_len;
+        LE32 da_ptr;
+        LE32 da_len;
+        LE32 bs_ptr;
+        LE32 bs_len;
+        LE32 sd_ptr;
+        LE32 sd_len;
+        LE32 sp,fp,gp0,ra,k0;
+        char origin[60];
+        // some safety space after that
+        char pad[8];
+        // i'll place the backup of the original
+        // execution file structure here (epc - sd_len)
+        LE32 ih_bkup[10];
+        // plus checksum for the backup
+        LE32 ih_csum;
+        // here will find the id & the upx header it's place.
+        // btw only the 'epc - sd_len' entries init the executable.
+        // so stuff placed here will not load and waste memory.
+    }
+    __attribute_packed;
+
+    ps1_exe_t ih, oh;
+
+    upx_uint overlap;
+    upx_uint sa_cnt;
+
+    // filesize-PS_HDR_SIZE
+    upx_uint fdata_size;
+    // calculated filesize
+    upx_uint cfile_size;
+};
+
+
+#endif /* already included */
+
+
+/*
+vi:ts=4:et
+*/
+
+