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/*
* HT Editor
* htne.h
*
* Copyright (C) 1999-2002 Stefan Weyergraf
*
* 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 __HTNE_H__
#define __HTNE_H__
#include "htobj.h"
#include "formats.h"
#include "relfile.h"
#include "nestruct.h"
#define DESC_NE "ne - win16,os2 new exe"
#define DESC_NE_HEADER "ne/header"
#define DESC_NE_SEGMENTS "ne/segments"
#define DESC_NE_IMPORTS "ne/imports"
#define DESC_NE_ENTRYPOINTS "ne/entrypoints"
#define DESC_NE_NAMES "ne/names"
#define DESC_NE_IMAGE "ne/image"
#define ATOM_NE_FLAGS 0x4e450000
#define ATOM_NE_FLAGS_STR "4e450000"
#define ATOM_NE_OS 0x4e450001
#define ATOM_NE_OS_STR "4e450001"
#define ATOM_NE_SEGFLAGS 0x4e450002
#define ATOM_NE_SEGFLAGS_STR "4e450002"
#define ATOM_NE_ENTFLAGS 0x4e450003
#define ATOM_NE_ENTFLAGS_STR "4e450003"
struct ne_segment_headers {
uint segment_count;
NE_SEGMENT *segments;
};
class ne_import_rec: public Object {
public:
uint addr;
uint module;
bool byname;
union {
uint name_ofs;
uint ord;
};
ne_import_rec(uint a, uint mod, bool b, uint i);
virtual int compareTo(const Object *obj) const;
};
class ht_aviewer;
struct ht_ne_shared_data {
uint32 hdr_ofs;
NE_HEADER hdr;
ne_segment_headers segments;
uint modnames_count;
char **modnames;
uint fake_segment;
Container *entrypoints;
Container *imports;
ht_aviewer *v_image;
};
class ht_ne: public ht_format_group {
protected:
bool loc_enum;
bool create_fake_segment();
bool relocate(ht_reloc_file *rf);
bool relocate_single(ht_reloc_file *rf, uint seg, FileOfs ofs, uint type, uint flags, uint16 value_seg, uint16 value_ofs);
public:
void init(Bounds *b, File *file, format_viewer_if **ifs, ht_format_group *format_group, FileOfs h);
virtual void done();
/* overwritten */
virtual void loc_enum_start();
virtual bool loc_enum_next(ht_format_loc *loc);
};
extern format_viewer_if htne_if;
/*
* CLASS ht_ne_entrypoint
*/
class ht_ne_entrypoint: public Object {
public:
uint ordinal;
uint seg;
uint offset;
uint flags;
char *name;
ht_ne_entrypoint(uint ordinal, uint seg, uint offset, uint flags);
virtual ~ht_ne_entrypoint();
};
/*
* CLASS ht_ne_reloc_entry
*/
class ht_ne_reloc_entry: public Object {
public:
uint mode;
bool add;
uint16 seg;
uint16 ofs;
ht_ne_reloc_entry(uint mode, bool add, uint16 seg, uint16 ofs);
};
/*
* CLASS ht_ne_reloc_file
*/
class ht_ne_reloc_file: public ht_reloc_file {
protected:
ht_ne_shared_data *data;
/* overwritten */
virtual void reloc_apply(Object *reloc, byte *data);
virtual bool reloc_unapply(Object *reloc, byte *data);
public:
ht_ne_reloc_file(File *streamfile, bool own_streamfile, ht_ne_shared_data *data);
};
/*
*
*/
FileOfs NE_get_seg_ofs(ht_ne_shared_data *NE_shared, uint i);
uint32 NE_get_seg_addr(ht_ne_shared_data *NE_shared, uint i);
uint NE_get_seg_psize(ht_ne_shared_data *NE_shared, uint i);
uint NE_get_seg_vsize(ht_ne_shared_data *NE_shared, uint i);
bool NE_addr_to_segment(ht_ne_shared_data *NE_shared, uint32 Addr, int *segment);
bool NE_addr_is_physical(ht_ne_shared_data *NE_shared, uint32 Addr);
bool NE_addr_to_ofs(ht_ne_shared_data *NE_shared, uint32 Addr, FileOfs *ofs);
bool NE_ofs_to_addr(ht_ne_shared_data *NE_shared, FileOfs ofs, uint32 *Addr);
#define NEAddress uint32
#define NE_MAKE_ADDR(seg, ofs) ((seg)*0x10000+(ofs))
#define NE_ADDR_SEG(a) ((a)>>16)
#define NE_ADDR_OFS(a) ((a)&0xffff)
#endif /* __HTNE_H__ */
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