com.facebook.soloader

Class MinElf

java.lang.Object

com.facebook.soloader.MinElf

public final class MinElf
extends java.lang.Object

Extract SoLoader boottsrap information from an ELF file. This is not a general purpose ELF library. See specification at http://www.sco.com/developers/gabi/latest/contents.html. You will not be able to verify the operation of the functions below without having read the ELF specification.

Field Summary

Fields

Modifier and Type	Field and Description
static int	DT_NEEDED
static int	DT_NULL
static int	DT_STRTAB
static int	ELF_MAGIC
static int	PN_XNUM
static int	PT_DYNAMIC
static int	PT_LOAD

Constructor Summary

Constructors

Constructor and Description
MinElf()

Method Summary

Methods

Modifier and Type	Method and Description
static java.lang.String[]	extract_DT_NEEDED(java.io.File elfFile)
static java.lang.String[]	extract_DT_NEEDED(java.nio.channels.FileChannel fc) Treating bb as an ELF file, extract all the DT_NEEDED entries from its dynamic section.

Methods inherited from class java.lang.Object

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

Field Detail

ELF_MAGIC

public static final int ELF_MAGIC

See Also:

Constant Field Values

DT_NULL

public static final int DT_NULL

See Also:

Constant Field Values

DT_NEEDED

public static final int DT_NEEDED

See Also:

Constant Field Values

DT_STRTAB

public static final int DT_STRTAB

See Also:

Constant Field Values

PT_LOAD

public static final int PT_LOAD

See Also:

Constant Field Values

PT_DYNAMIC

public static final int PT_DYNAMIC

See Also:

Constant Field Values

PN_XNUM

public static final int PN_XNUM

See Also:

Constant Field Values

Constructor Detail

MinElf

public MinElf()

Method Detail

extract_DT_NEEDED

public static java.lang.String[] extract_DT_NEEDED(java.io.File elfFile)
                                            throws java.io.IOException

Throws:

java.io.IOException

extract_DT_NEEDED

public static java.lang.String[] extract_DT_NEEDED(java.nio.channels.FileChannel fc)
                                            throws java.io.IOException

Treating bb as an ELF file, extract all the DT_NEEDED entries from its dynamic section.

Parameters:

fc - FileChannel referring to ELF file

Returns:

Array of strings, one for each DT_NEEDED entry, in file order

Throws:

java.io.IOException