htcoff.h

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/* 
 *      HT Editor
 *      htcoff.h
 *
 *      Copyright (C) 1999-2003 Stefan Weyergraf (stefan@weyergraf.de)
 *
 *      This program is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License version 2 as
 *      published by the Free Software Foundation.
 *
 *      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; if not, write to the Free Software
 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __HTCOFF_H__
#define __HTCOFF_H__

#include "formats.h"
#include "coff_s.h"
#include "htcoffhd.h"
#include "htendian.h"

#define DESC_COFF                       "coff - unix common obj file"
#define DESC_COFF_HEADER                "coff/header"
#define DESC_COFF_IMAGE                 "coff/image"

#define ATOM_COFF_MACHINES                      0xf0450000
#define ATOM_COFF_MACHINES_STR                  "f0450000"

#define ATOM_COFF_OPTIONAL_MAGICS               0xf0450001
#define ATOM_COFF_OPTIONAL_MAGICS_STR            "f0450001"

#define ATOM_COFF_OPTIONAL_SIZES                0xf0450002
#define ATOM_COFF_OPTIONAL_SIZES_STR             "f0450002"

#define ATOM_COFF_CHARACTERISTICS               0xf0450003
#define ATOM_COFF_CHARACTERISTICS_STR            "f0450003"

#define ATOM_COFF_SECTION_CHARACTERISTICS       0xf0450004
#define ATOM_COFF_SECTION_CHARACTERISTICS_STR    "f0450004"

extern format_viewer_if htcoff_if;

struct coff_section_headers {
        UINT hdr_ofs;           // duplicate of ht_coff_shared_data.hdr_ofs (!)
        UINT section_count;
        COFF_SECTION_HEADER *sections;
};

struct ht_coff_shared_data {
        dword hdr_ofs;
        COFF_HEADER coffheader;
        word opt_magic;
        endianess endian;
        union {
                COFF_OPTIONAL_HEADER32 coff32header;
        };
        coff_section_headers sections;
        ht_viewer *v_header;
        ht_viewer *v_image;
};

/*
 *      CLASS ht_coff
 */

class ht_coff: public ht_format_group {
private:
        ht_coff_shared_data *coff_shared;
public:
                void init(bounds *b, ht_streamfile *file, format_viewer_if **ifs, ht_format_group *format_group, FILEOFS header_ofs, endianess end);
        virtual void done();
};

int coff_rva_to_section(coff_section_headers *section_headers, RVA rva, int *section);
int coff_rva_to_ofs(coff_section_headers *section_headers, RVA rva, dword *ofs);
int coff_rva_is_valid(coff_section_headers *section_headers, RVA rva);
int coff_rva_is_physical(coff_section_headers *section_headers, RVA rva);

int coff_ofs_to_rva(coff_section_headers *section_headers, dword ofs, RVA *rva);
int coff_ofs_to_section(coff_section_headers *section_headers, dword ofs, UINT *section);
int coff_ofs_to_rva_and_section(coff_section_headers *section_headers, dword ofs, RVA *rva, UINT *section);

#endif /* !__HTCOFF_H__ */

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