Initial commit (from git)

2000-05-19 16:04:55 +00:00
commit 1a9128a473
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+/* p_exe.h --
+
+   This file is part of the UPX executable compressor.
+
+   Copyright (C) 1996-2000 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2000 Laszlo Molnar
+
+   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@jk.uni-linz.ac.at        ml1050@cdata.tvnet.hu
+ */
+
+
+#ifndef __UPX_P_EXE_H
+#define __UPX_P_EXE_H
+
+
+/*************************************************************************
+// dos/exe
+**************************************************************************/
+
+class PackExe : public Packer
+{
+    typedef Packer super;
+public:
+    PackExe(InputFile *f);
+    virtual int getVersion() const { return 11; }
+    virtual int getFormat() const { return UPX_F_DOS_EXE; }
+    virtual const char *getName() const { return "dos/exe"; }
+    virtual int getCompressionMethod() const;
+    virtual const int *getFilters() const;
+
+    virtual void pack(OutputFile *fo);
+    virtual void unpack(OutputFile *fo);
+
+    virtual bool canPack();
+    virtual bool canUnpack();
+
+    // unpacker capabilities
+    virtual bool canUnpackVersion(int version) const
+    {
+        // NOTE: could adapt p_exe.cpp to support (version >= 8)
+        return (version >= 10);
+    }
+    virtual bool canUnpackFormat(int format) const
+    {
+        return (format == UPX_F_DOS_EXE || format == UPX_F_DOS_EXEH);
+    }
+
+protected:
+    virtual bool readExeHeader(void);
+
+    struct exe_header_t
+    {
+        LE16 ident;
+        LE16 m512;
+        LE16 p512;
+        LE16 relocs;
+        LE16 headsize16;
+        LE16 min;
+        LE16 max;
+        LE16 ss;
+        LE16 sp;
+        char _[2];              // checksum
+        LE16 ip;
+        LE16 cs;
+        LE16 relocoffs;
+        char __[2];             // overlnum
+        LE32 firstreloc;
+    } ih, oh;
+
+    unsigned ih_exesize;
+    unsigned ih_imagesize;
+    unsigned ih_overlay;
+
+    bool has_9a;
+
+    enum {
+        NORELOC = 1,
+        USEJUMP = 2,
+        SS = 4,
+        SP = 8,
+        MINMEM = 16,
+        MAXMEM = 32
+    };
+};
+
+
+#endif /* already included */
+
+
+/*
+vi:ts=4:et
+*/
+