Package com.facebook.soloader

Class MinElf

java.lang.Object

com.facebook.soloader.MinElf

public final class MinElf
extends Object

Extract SoLoader bootstrap 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.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	MinElf.ISA

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor	Description
MinElf()

Method Summary

Modifier and Type	Method	Description
static String[]	extract_DT_NEEDED(ElfByteChannel bc)	Treating bc as an ELF file, extract all the DT_NEEDED entries from its dynamic section.
static String[]	extract_DT_NEEDED(File elfFile)

Methods inherited from class java.lang.Object

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

Field Details

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 Details

MinElf

public MinElf()

Method Details

extract_DT_NEEDED

public static String[] extract_DT_NEEDED(File elfFile)
                                  throws IOException

Throws:

IOException

extract_DT_NEEDED

public static String[] extract_DT_NEEDED(ElfByteChannel bc)
                                  throws IOException

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

Parameters:

bc - ElfByteChannel referring to ELF file

Returns:

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

Throws:

IOException - IOException