upx/src/options.h

/* options.h --

   This file is part of the UPX executable compressor.

   Copyright (C) 1996-2006 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 1996-2006 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
   <mfx@users.sourceforge.net>          <ml1050@users.sourceforge.net>
 */


#ifndef __UPX_OPTIONS_H
#define __UPX_OPTIONS_H


/*************************************************************************
// globals
**************************************************************************/

// options - command
enum {
    CMD_NONE,
    CMD_COMPRESS, CMD_DECOMPRESS, CMD_TEST, CMD_LIST, CMD_FILEINFO,
    CMD_HELP, CMD_LICENSE, CMD_VERSION
};


struct options_t {
    int cmd;

    // compression options
    int method;
    int level;              // compression level 1..10
    int filter;             // preferred filter from Packer::getFilters()
    bool all_methods;       // try all available compression methods ?
    bool all_methods_use_lzma;
    bool all_filters;       // try all available filters ?
    bool no_filter;         // force no filter

    // other options
    int backup;
    int console;
    int force;
    int info_mode;
    bool ignorewarn;
    bool no_env;
    bool no_progress;
    const char *output_name;
    int small;
    int verbose;
    bool to_stdout;

    // debug options
    struct {
        int debug_level;
        const char *dump_stub_loader;
        char fake_stub_version[4+1];    // for internal debugging
        char fake_stub_year[4+1];       // for internal debugging
    } debug;

    // overlay handling
    enum {
        SKIP_OVERLAY      = 0,
        COPY_OVERLAY      = 1,
        STRIP_OVERLAY     = 2
    };
    int overlay;

    // compression runtime parameters - see struct XXX_compress_config_t
    struct crp_lzma_t {
        typedef lzma_compress_config_t TT;
        TT::pos_bits_t          pos_bits;           // pb
        TT::lit_pos_bits_t      lit_pos_bits;       // lp
        TT::lit_context_bits_t  lit_context_bits;   // lc
        TT::num_fast_bytes_t    num_fast_bytes;
#if 0
        unsigned dict_size;
        unsigned mf_passes;
#endif
        void reset() {
            memset(this, 0, sizeof(*this));
            pos_bits.reset(); lit_pos_bits.reset(); lit_context_bits.reset();
            num_fast_bytes.reset();
        }
    };
    struct crp_ucl_t {
        unsigned max_offset;
        unsigned max_match;
        int s_level;
        int h_level;
        int p_level;
        int c_flags;
        unsigned m_size;
        void reset() { memset(this, 0xff, sizeof(*this)); }
    };
    struct crp_t {
        crp_lzma_t  crp_lzma;
        crp_ucl_t   crp_ucl;
        void reset() { crp_lzma.reset(); crp_ucl.reset(); }
    };
    crp_t crp;

    // CPU
    enum {
        CPU_DEFAULT = 0,
        CPU_8086    = 1,
        CPU_286     = 2,
        CPU_386     = 3,
        CPU_486     = 4,
        CPU_586     = 5,
        CPU_686     = 6
    };
    int cpu;

    // options for various executable formats
    struct {
        bool split_segments;
    } atari_tos;
    struct {
        bool coff;
    } djgpp2_coff;
    struct {
        bool force_stub;
        bool no_reloc;
    } dos_exe;
    struct {
        bool boot_only;
        bool no_align;
        bool do_8bit;
        bool do_8mb;
    } ps1_exe;
    struct {
        unsigned blocksize;
        bool force_execve;          // force the linux/386 execve format
        bool is_ptinterp;           // is PT_INTERP, so don't adjust auxv_t
        bool use_ptinterp;          // use PT_INTERP /opt/upx/run
        bool make_ptinterp;         // make PT_INTERP [ignore current file!]
        unsigned char osabi0;       // replacement if 0==.e_ident[EI_OSABI]
        enum { SCRIPT_MAX = 32 };
        const char *script_name;
    } o_unix;
    struct {
        bool le;
    } watcom_le;
    struct {
        int compress_exports;
        int compress_icons;
        int compress_resources;
        signed char compress_rt[25];    // 25 == RT_LAST
        int strip_relocs;
        const char *keep_resource;
    } win32_pe;

    void reset();
};

extern struct options_t *opt;


#endif /* already included */


/*
vi:ts=4:et
*/