/*  *	HT Editor *	htelf.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 __HTELF_H__#define __HTELF_H__#include "elfstruc.h"#include "formats.h"#include "endianess.h"#include "htformat.h"#include "relfile.h"#define DESC_ELF "elf - unix exe/link format"#define DESC_ELF_HEADER "elf/header"#define DESC_ELF_SECTION_HEADERS "elf/section headers"#define DESC_ELF_PROGRAM_HEADERS "elf/program headers"#define DESC_ELF_SYMTAB "elf/symbol table %y (%d)"#define DESC_ELF_RELOCTAB "elf/relocation table %y (%d)"#define DESC_ELF_IMAGE "elf/image"#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"extern format_viewer_if htelf_if;class FakeAddr: public Object {public:	uint secidx;	uint symidx;	uint32 addr;	FakeAddr(uint asecidx, uint asymidx, uint32 aAddr)		: secidx(asecidx), symidx(asymidx), addr(aAddr)	{	}	virtual int compareTo(const Object *) const;};struct elf_section_headers {	uint count;	union {		ELF_SECTION_HEADER32 *sheaders32;		ELF_SECTION_HEADER64 *sheaders64;	};};union elf_section_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_section32 {	elf32_addr	relocAddr;	uint		relocShIdx;};struct ht_elf_shared_data {	FileOfs header_ofs;	ELF_HEADER ident;	Endianess byte_order;	union {		ELF_HEADER32 header32;		ELF_HEADER64 header64;	};	elf_section_headers sheaders;	ht_elf_reloc_section32 *shrelocs;	char **shnames;	elf_program_headers pheaders;	uint symtables;	uint reloctables;	ht_format_viewer *v_image;	int fake_undefined_shidx;	uint fake_undefined_size;	Container *undefined2fakeaddr;};/* *	ht_elf */class ht_elf: public ht_format_group {protected:	bool loc_enum;	/* new */		void auto_relocate32();		void fake_undefined_symbols32();		uint find_reloc_section_for(uint si);		void relocate_section(ht_reloc_file *f, uint si, uint rsi, elf32_addr a);public:		void init(Bounds *b, File *file, format_viewer_if **ifs, ht_format_group *format_group, FileOfs header_ofs);	virtual	void done();	/* extends ? */	virtual	void loc_enum_start();	virtual	bool loc_enum_next(ht_format_loc *loc);};/* *	ht_elf32_reloc_entry */class ht_elf32_reloc_entry: public Object {public:	uint	type;	union {		uint32 r_32;		uint32 r_pc32;	} relocs;	ht_elf32_reloc_entry(uint type, uint32 A, uint32 P, uint32 S);};/* *	ht_elf32_reloc_file */class ht_elf32_reloc_file: public ht_reloc_file {protected:	ht_elf_shared_data *data;	/* extends ht_reloc_file */	virtual void	reloc_apply(Object *reloc, byte *data);	virtual bool	reloc_unapply(Object *reloc, byte *data);public:		   	ht_elf32_reloc_file(File *File, bool own_streamfile, ht_elf_shared_data *data);};bool isValidELFSectionIdx(ht_elf_shared_data *elf_shared, int idx);bool elf_phys_and_mem_section(elf_section_header *s, uint elfclass);bool elf_valid_section(elf_section_header *s, uint elfclass);bool elf_addr_to_section(elf_section_headers *section_headers, uint elfclass, ELFAddress addr, int *section);bool elf_addr_to_ofs(elf_section_headers *section_headers, uint elfclass, ELFAddress addr, FileOfs *ofs);bool elf_addr_is_valid(elf_section_headers *section_headers, uint elfclass, ELFAddress addr);bool elf_ofs_to_addr(elf_section_headers *section_headers, uint elfclass, FileOfs ofs, ELFAddress *addr);bool elf_ofs_to_section(elf_section_headers *section_headers, uint elfclass, FileOfs ofs, uint32 *section);#endif /* !__HTELF_H__ */