Package ghidra.app.util.bin.format.elf

Class ElfCompressedSectionHeader

java.lang.Object

ghidra.app.util.bin.format.elf.ElfCompressedSectionHeader

public class ElfCompressedSectionHeader
extends Object

Header at the beginning of an ELF compressed section.

See https://docs.oracle.com/cd/E53394_01/html/E54813/section_compression.html

 typedef struct {
      Elf32_Word      ch_type;
      Elf32_Word      ch_size;
      Elf32_Word      ch_addralign;
 } Elf32_Chdr;
 
 typedef struct {
      Elf64_Word      ch_type;
      Elf64_Word      ch_reserved;
      Elf64_Xword     ch_size;
      Elf64_Xword     ch_addralign;
 } Elf64_Chdr;
 

Field Summary

Fields

Modifier and Type	Field	Description
static final int	ELFCOMPRESS_ZLIB

Method Summary

Modifier and Type	Method	Description
long	getCh_addralign()	Returns the address alignment value.
long	getCh_size()	Returns the uncompressed size.
int	getCh_type()	Returns the compression type, see ELFCOMPRESS_ZLIB.
int	getHeaderSize()	Returns the size of this header struct.
static ElfCompressedSectionHeader	read(BinaryReader reader, ElfHeader elf)	Reads an Elf(32|64)_Chdr from the current position in the supplied stream.

Methods inherited from class java.lang.Object

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

Field Details

ELFCOMPRESS_ZLIB

public static final int ELFCOMPRESS_ZLIB

See Also:

• Constant Field Values

Method Details

read

public static ElfCompressedSectionHeader read(BinaryReader reader,
 ElfHeader elf)
                                       throws IOException

Reads an Elf(32|64)_Chdr from the current position in the supplied stream.

Parameters:

reader - stream to read from

elf - ElfHeader that defines the format of the binary

Returns:

new ElfCompressedSectionHeader instance, never null

Throws:

IOException - if error reading the header

getCh_type

public int getCh_type()

Returns the compression type, see ELFCOMPRESS_ZLIB.

Returns:

the compression type, see ELFCOMPRESS_ZLIB

getCh_size

public long getCh_size()

Returns the uncompressed size.

Returns:

the uncompressed size

getCh_addralign

public long getCh_addralign()

Returns the address alignment value..

See ElfSectionHeader.getAddressAlignment()

Returns:

the address alignment value

getHeaderSize

public int getHeaderSize()

Returns the size of this header struct.

Returns:

the size of this header struct