htmacho.h

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/* 
 *      HT Editor
 *      htmach-o.h
 *
 *      Copyright (C) 1999-2002 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 __HTMACHO_H__
#define __HTMACHO_H__

#include "machostruc.h"
#include "formats.h"
#include "htendian.h"
#include "htformat.h"

#define DESC_MACHO "Mach-O - Mach exe/link format"
#define DESC_MACHO_HEADER "Mach-O/header"
/*#define DESC_MACHO_SECTION_HEADERS "elf/section headers"
#define DESC_MACHO_PROGRAM_HEADERS "elf/program headers"
#define DESC_MACHO_SYMTAB "elf/symbol table %s (%d)"
#define DESC_MACHO_RELOCTAB "elf/relocation table %s (%d)"*/
#define DESC_MACHO_IMAGE "Mach-O/image"

extern format_viewer_if htmacho_if;

/*
#define ATOM_ELF_CLASS                          0x454c4600
#define ATOM_ELF_CLASS_STR                       "454c4600"

#define ATOM_ELF_DATA                           0x454c4601
#define ATOM_ELF_DATA_STR                        "454c4601"

#define ATOM_ELF_OS_ABI                         0x454c4602
#define ATOM_ELF_OS_ABI_STR                      "454c4602"

#define ATOM_ELF_TYPE                           0x454c4603
#define ATOM_ELF_TYPE_STR                        "454c4603"

#define ATOM_ELF_MACHINE                        0x454c4604
#define ATOM_ELF_MACHINE_STR                     "454c4604"

#define ATOM_ELF_SH_TYPE                        0x454c4605
#define ATOM_ELF_SH_TYPE_STR                     "454c4605"

#define ATOM_ELF_SH_FLAGS                       0x454c4606
#define ATOM_ELF_SH_FLAGS_STR                    "454c4606"

#define ATOM_ELF_PH_TYPE                        0x454c4607
#define ATOM_ELF_PH_TYPE_STR                     "454c4607"

#define ATOM_ELF_PH_FLAGS                       0x454c4608
#define ATOM_ELF_PH_FLAGS_STR                    "454c4608"

#define ATOM_ELF_ST_BIND                        0x454c4609
#define ATOM_ELF_ST_BIND_STR                     "454c4609"

#define ATOM_ELF_ST_TYPE                        0x454c460a
#define ATOM_ELF_ST_TYPE_STR                     "454c460a"

#define ATOM_ELF_R_386_TYPE                     0x454c460b
#define ATOM_ELF_R_386_TYPE_STR          "454c460b"

union macho_segment_header {
        ELF_SECTION_HEADER32 sheaders32;
        ELF_SECTION_HEADER64 sheaders64;
};

struct elf_program_headers {
        UINT count;
        union {
                ELF_PROGRAM_HEADER32 *pheaders32;
                ELF_PROGRAM_HEADER64 *pheaders64;
        };
};

struct ht_elf_reloc_section {
        elf32_addr address;
        UINT reloc_shidx;
};
*/
struct macho_commands {
        UINT count;
        MACHO_COMMAND_U **cmds;
};

struct macho_sections {
        UINT count;
        MACHO_SECTION *sections;
};

struct ht_macho_shared_data {
        FILEOFS header_ofs;
        MACHO_HEADER header;
        macho_commands cmds;
        macho_sections sections;
        endianess image_endianess;
/*      ELF_HEADER ident;
        endianess byte_order;
        union {
                ELF_HEADER32 header32;
                ELF_HEADER64 header64;
        };
        elf_section_headers sheaders;
        char **shnames;
        elf_program_headers pheaders;
        UINT symtables;
        UINT reloctables;
        ht_format_viewer *v_image;
        ht_elf_reloc_section *htrelocs;
        UINT fake_undefined_section;*/
};

/*
 *      CLASS ht_macho
 */

class ht_macho: public ht_format_group {
public:
                void init(bounds *b, ht_streamfile *file, format_viewer_if **ifs, ht_format_group *format_group, FILEOFS header_ofs, endianess image_endianess);
        virtual void done();
};

typedef uint32 MACHOAddress;

bool macho_phys_and_mem_section(MACHO_SECTION *s, UINT machoclass);
bool macho_valid_section(MACHO_SECTION *s, UINT machoclass);

bool macho_addr_to_section(macho_sections *section_headers, UINT machoclass, MACHOAddress addr, int *section);
bool macho_addr_to_ofs(macho_sections *section_headers, UINT machoclass, MACHOAddress addr, dword *ofs);
bool macho_addr_is_valid(macho_sections *section_headers, UINT machoclass, MACHOAddress addr);

bool macho_ofs_to_addr(macho_sections *section_headers, UINT machoclass, dword ofs, MACHOAddress *addr);
bool macho_ofs_to_section(macho_sections *section_headers, UINT machoclass, dword ofs, dword *section);

#endif /* !__HTMACHO_H__ */

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