/*  *	HT Editor *	htle.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 __HTLE_H__#define __HTLE_H__#include "htobj.h"#include "formats.h"#include "relfile.h"#include "lestruct.h"#include "endianess.h"#define DESC_LE "le - win,os2 linear exe"#define DESC_LE_HEADER "le/header"#define DESC_LE_VXD "le/vxd descriptor"#define DESC_LE_OBJECTS "le/objects"#define DESC_LE_PAGEMAP "le/page map"#define DESC_LE_ENTRYPOINTS "le/entrypoints"#define DESC_LE_IMAGE "le/image"#define ATOM_LE_FLAGS			0x4c450000#define ATOM_LE_FLAGS_STR		 "4c450000"#define ATOM_LE_MACHINE			0x4c450001#define ATOM_LE_MACHINE_STR		 "4c450001"#define ATOM_LE_OS				0x4c450002#define ATOM_LE_OS_STR			 "4c450002"#define ATOM_LE_OBJFLAGS   		0x4c450003#define ATOM_LE_OBJFLAGS_STR		 "4c450003"#define ATOM_LE_ENTRY_FLAGS		0x4c450004#define ATOM_LE_ENTRY_FLAGS_STR	 "4c450004"#define ATOM_LE_ENTRY_BUNDLE_FLAGS		0x4c450005#define ATOM_LE_ENTRY_BUNDLE_FLAGS_STR	 "4c450005"#define LEAddress uint32#define LE_ADDR_INVALID	0#define LE_BASE_ADDR	0x400000class ht_le_page_file;struct ht_le_shared_data {	Endianess byteorder;	FileOfs hdr_ofs;	LE_HEADER hdr;	ht_viewer *v_header;	ht_viewer *v_objects;	ht_viewer *v_pagemaps;	ht_viewer *v_image;	ht_viewer *v_le_vxd;	ht_le_objmap objmap;	ht_le_pagemap pagemap;	bool is_vxd;	FileOfs vxd_desc_linear_ofs;	LE_VXD_DESCRIPTOR vxd_desc;	ht_le_page_file *linear_file;	ht_reloc_file *reloc_file;	LEAddress best_entrypoint;};class ht_le: public ht_format_group {protected:	bool loc_enum;			void check_vxd();			void do_fixups();			void read_pagemap();			void read_objects();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 htle_if;/* *	CLASS ht_le_page_file */class ht_le_page_file: public FileLayer {protected:	ht_le_pagemap *pagemap;	uint32 pagemapsize;	uint32 page_size;	FileOfs ofs;public:			ht_le_page_file(File *file, bool own_file, ht_le_pagemap *pagemap, uint32 pagemapsize, uint32 page_size);/* overwritten */	virtual bool isdirty(FileOfs offset, FileOfs range);	virtual uint read(void *buf, uint size);	virtual void seek(FileOfs offset);	virtual FileOfs tell() const;	virtual int vcntl(uint cmd, va_list vargs);	virtual uint write(const void *buf, uint size);/* new */	   bool map_ofs(uint32 lofs, FileOfs *pofs, FileOfs *maxsize);	   bool unmap_ofs(FileOfs pofs, uint32 *lofs);};/* *	CLASS ht_le_reloc_entry */class ht_le_reloc_entry: public Object {public:	uint ofs;	// FIXME: hack	uint seg;	LEAddress addr;	uint8 address_type;	uint8 reloc_type;	ht_le_reloc_entry(uint ofs, uint seg, LEAddress addr, uint8 address_type, uint8 reloc_type);};/* *	CLASS ht_le_reloc_file */class ht_le_reloc_file: public ht_reloc_file {protected:	ht_le_shared_data *data;/* overwritten */	virtual void	reloc_apply(Object *reloc, byte *data);	virtual bool	reloc_unapply(Object *reloc, byte *data);public:			ht_le_reloc_file(File *streamfile, bool own_streamfile, ht_le_shared_data *data);};FileOfs LE_get_seg_ofs(ht_le_shared_data *LE_shared, uint i);LEAddress LE_get_seg_addr(ht_le_shared_data *LE_shared, uint i);uint LE_get_seg_psize(ht_le_shared_data *LE_shared, uint i);uint LE_get_seg_vsize(ht_le_shared_data *LE_shared, uint i);bool LE_addr_to_segment(ht_le_shared_data *LE_shared, LEAddress Addr, int *segment);bool LE_addr_is_physical(ht_le_shared_data *LE_shared, LEAddress Addr);bool LE_addr_to_ofs(ht_le_shared_data *LE_shared, LEAddress Addr, FileOfs *ofs);bool LE_ofs_to_addr(ht_le_shared_data *LE_shared, FileOfs ofs, LEAddress *Addr);LEAddress LE_MAKE_ADDR(ht_le_shared_data *LE_shared, uint16 seg, uint32 ofs);uint16 LE_ADDR_SEG(ht_le_shared_data *LE_shared, LEAddress a);uint32 LE_ADDR_OFS(ht_le_shared_data *LE_shared, LEAddress a);#endif /* __HTLE_H__ */