joeq.Linker.ELF
Class ELFRandomAccessFile

java.lang.Object
  joeq.Linker.ELF.ELFRandomAccessFile

All Implemented Interfaces:

ELF, ELFConstants

public class ELFRandomAccessFile
extends Object

Version:

$Id: ELFRandomAccessFile.java,v 1.9 2004/09/30 03:35:33 joewhaley Exp $

Author:

John Whaley

Field Summary

protected int	e_entry
protected int	e_flags
protected int	e_machine
protected int	e_type
protected int	e_version
protected byte	ei_class
protected byte	ei_data
protected RandomAccessFile	file
protected List	program_headers
protected Section.StrTabSection	section_header_string_table
protected List	section_headers
protected List	sections

Fields inherited from interface joeq.Linker.ELF.ELFConstants

ELFCLASS32, ELFCLASS64, ELFCLASSNONE, ELFDATA2LSB, ELFDATA2MSB, ELFDATANONE, ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3, EM_386, EM_68K, EM_860, EM_88K, EM_M32, EM_MIPS, EM_MIPS_RS4_BE, EM_SPARC, ET_CORE, ET_DYN, ET_EXEC, ET_HIPROC, ET_LOPROC, ET_NONE, ET_REL, EV_CURRENT, EV_NONE, PT_DYNAMIC, PT_HIPROC, PT_INTERP, PT_LOAD, PT_LOPROC, PT_NOTE, PT_NULL, PT_PHDR, PT_SHLIB, R_386_32, R_386_NONE, R_386_PC32, SHF_ALLOC, SHF_EXECINSTR, SHF_MASKPROC, SHF_WRITE, SHN_ABS, SHN_COMMON, SHN_HIPROC, SHN_HIRESERVE, SHN_INVALID, SHN_LOPROC, SHN_LORESERVE, SHN_UNDEF, SHT_DYNAMIC, SHT_DYNSYM, SHT_HASH, SHT_HIPROC, SHT_HIUSER, SHT_LOPROC, SHT_LOUSER, SHT_NOBITS, SHT_NOTE, SHT_NULL, SHT_PROGBITS, SHT_REL, SHT_RELA, SHT_SHLIB, SHT_STRTAB, SHT_SYMTAB, STB_GLOBAL, STB_HIPROC, STB_LOCAL, STB_LOPROC, STB_WEAK, STT_FILE, STT_FUNC, STT_HIPROC, STT_LOPROC, STT_NOTYPE, STT_OBJECT, STT_SECTION

Constructor Summary

ELFRandomAccessFile(byte data, int type, int machine, int entry, RandomAccessFile file)

ELFRandomAccessFile(RandomAccessFile file)

Method Summary

void	addProgramHeader(ProgramHeader p) Adds the given ELF program header to this object.
void	addSection(Section s) Adds the given ELF section to this object.
static int	getHeaderSize()
Section	getSection(int i)
Section.StrTabSection	getSectionHeaderStringTable() Returns the section header string table, if one has been defined.
int	getSectionIndex(Section s)
List	getSections() Returns the list of ELF sections in this object.
boolean	isBigEndian() Returns true if this ELF object is big-endian.
boolean	isLittleEndian() Returns true if this ELF object is little-endian.
int	read_addr()
byte	read_byte()
void	read_bytes(byte[] b)
int	read_half()
int	read_off()
int	read_sword()
int	read_word()
void	removeProgramHeader(ProgramHeader p) Removes the given ELF program header from this object.
void	removeSection(Section s) Removes the given ELF section from this object.
void	set_position(int offset)
void	setBigEndian()
void	setLittleEndian()
void	setSectionHeaderStringTable(Section.StrTabSection shstrtab) Sets the section header string table to be the given section.
void	write_addr(int v)
void	write_byte(byte v)
void	write_bytes(byte[] v)
void	write_half(int v)
void	write_off(int v)
void	write_sectionname(String s)
void	write_sword(int v)
void	write_word(int v)
void	write()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

file

protected RandomAccessFile file

section_headers

protected List section_headers

ei_class

protected byte ei_class

ei_data

protected byte ei_data

e_type

protected int e_type

e_machine

protected int e_machine

e_version

protected int e_version

e_entry

protected int e_entry

e_flags

protected int e_flags

program_headers

protected List program_headers

sections

protected List sections

section_header_string_table

protected Section.StrTabSection section_header_string_table

Constructor Detail

ELFRandomAccessFile

public ELFRandomAccessFile(RandomAccessFile file)
                    throws IOException

Throws:

IOException

ELFRandomAccessFile

public ELFRandomAccessFile(byte data,
                           int type,
                           int machine,
                           int entry,
                           RandomAccessFile file)

Method Detail

getSection

public Section getSection(int i)

Specified by:

getSection in interface ELF

write_byte

public void write_byte(byte v)
                throws IOException

Throws:

IOException

write_bytes

public void write_bytes(byte[] v)
                 throws IOException

Throws:

IOException

write_half

public void write_half(int v)
                throws IOException

Throws:

IOException

write_word

public void write_word(int v)
                throws IOException

Throws:

IOException

write_sword

public void write_sword(int v)
                 throws IOException

Throws:

IOException

write_off

public void write_off(int v)
               throws IOException

Throws:

IOException

write_addr

public void write_addr(int v)
                throws IOException

Throws:

IOException

write_sectionname

public void write_sectionname(String s)
                       throws IOException

Throws:

IOException

set_position

public void set_position(int offset)
                  throws IOException

Throws:

IOException

read_byte

public byte read_byte()
               throws IOException

Throws:

IOException

read_bytes

public void read_bytes(byte[] b)
                throws IOException

Throws:

IOException

read_half

public int read_half()
              throws IOException

Throws:

IOException

read_word

public int read_word()
              throws IOException

Throws:

IOException

read_sword

public int read_sword()
               throws IOException

Throws:

IOException

read_off

public int read_off()
             throws IOException

Throws:

IOException

read_addr

public int read_addr()
              throws IOException

Throws:

IOException

getSectionHeaderStringTable

public Section.StrTabSection getSectionHeaderStringTable()

Description copied from interface: ELF

Returns the section header string table, if one has been defined. Or null otherwise.

Specified by:

getSectionHeaderStringTable in interface ELF

Returns:

section header string table

setSectionHeaderStringTable

public void setSectionHeaderStringTable(Section.StrTabSection shstrtab)

Description copied from interface: ELF

Sets the section header string table to be the given section.

Specified by:

setSectionHeaderStringTable in interface ELF

Parameters:

shstrtab - new section header string table

getSectionIndex

public int getSectionIndex(Section s)

getSections

public List getSections()

Description copied from interface: ELF

Returns the list of ELF sections in this object.

Specified by:

getSections in interface ELF

Returns:

list of ELF sections in this object

addSection

public void addSection(Section s)

Description copied from interface: ELF

Adds the given ELF section to this object.

Specified by:

addSection in interface ELF

Parameters:

s - section to add

removeSection

public void removeSection(Section s)

Description copied from interface: ELF

Removes the given ELF section from this object.

Specified by:

removeSection in interface ELF

Parameters:

s - section to remove

addProgramHeader

public void addProgramHeader(ProgramHeader p)

Description copied from interface: ELF

Adds the given ELF program header to this object.

Specified by:

addProgramHeader in interface ELF

Parameters:

p - program header to add

removeProgramHeader

public void removeProgramHeader(ProgramHeader p)

Description copied from interface: ELF

Removes the given ELF program header from this object.

Specified by:

removeProgramHeader in interface ELF

Parameters:

p - program header to remove

isLittleEndian

public boolean isLittleEndian()

Description copied from interface: ELF

Returns true if this ELF object is little-endian.

Specified by:

isLittleEndian in interface ELF

Returns:

true if this ELF object is little-endian

isBigEndian

public boolean isBigEndian()

Description copied from interface: ELF

Returns true if this ELF object is big-endian.

Specified by:

isBigEndian in interface ELF

Returns:

true if this ELF object is big-endian

setLittleEndian

public void setLittleEndian()

Specified by:

setLittleEndian in interface ELF

setBigEndian

public void setBigEndian()

Specified by:

setBigEndian in interface ELF

write

public void write()
           throws IOException

Specified by:

write in interface ELF

Throws:

IOException

getHeaderSize

public static int getHeaderSize()