Package ghidra.app.plugin.exceptionhandlers.gcc

Class DwarfDecodeContext

java.lang.Object

ghidra.app.plugin.exceptionhandlers.gcc.DwarfDecodeContext

public class DwarfDecodeContext
extends java.lang.Object

Organizational class to record vital data used by a DwarfEHDecoder.

Constructor Summary

Constructors

Constructor	Description
DwarfDecodeContext(Program program, Address readAddr)	Constructs a Dwarf decode context.
DwarfDecodeContext(Program program, Address readAddr, Address entryPoint)	Constructs a Dwarf decode context.
DwarfDecodeContext(Program program, Address readAddr, Function function)	Constructs a Dwarf decode context.
DwarfDecodeContext(Program program, Address readAddr, MemoryBlock ehBlock)	Constructs a Dwarf decode context.
DwarfDecodeContext(Program program, Address readAddr, MemoryBlock ehBlock, Address entryPoint)	Constructs a Dwarf decode context.
DwarfDecodeContext(MemBuffer buffer, int length)	Constructs a Dwarf decode context.
DwarfDecodeContext(MemBuffer buf, int length, MemoryBlock ehBlock, Address entryPoint)	Constructs a Dwarf decode context.

Method Summary

Modifier and Type	Method	Description
Address	getAddress()	Gets the min address of the encoded data.
java.lang.Object	getDecodedValue()	Gets the decoded value that is at the address.
MemoryBlock	getEhBlock()	Gets the exception handling memory block with this dwarf encoded data.
int	getEncodedLength()	Gets the length of the encoded data that is at the address.
Address	getFunctionEntryPoint()	Gets the associated function's entry point.
long	getOriginalImageBaseOffset()	Gets the offset from the programs image base and the dwarf original image base
Program	getProgram()	Gets the program containing the encoded data.
void	setDecodedValue(java.lang.Object value, int encodedLength)	Set the value and value-length after decode

Methods inherited from class java.lang.Object

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

Constructor Detail

DwarfDecodeContext

public DwarfDecodeContext(Program program,
                          Address readAddr)

Constructs a Dwarf decode context.

Parameters:

program - the program containing the encoded data

readAddr - the address of the encoded data

DwarfDecodeContext

public DwarfDecodeContext(Program program,
                          Address readAddr,
                          MemoryBlock ehBlock)

Constructs a Dwarf decode context.

Parameters:

program - the program containing the encoded data

readAddr - the address of the encoded data

ehBlock - the exception handling memory block

DwarfDecodeContext

public DwarfDecodeContext(Program program,
                          Address readAddr,
                          Address entryPoint)

Constructs a Dwarf decode context.

Parameters:

program - the program containing the encoded data

readAddr - the address of the encoded data

entryPoint - the associated function's entry point

DwarfDecodeContext

public DwarfDecodeContext(Program program,
                          Address readAddr,
                          Function function)

Constructs a Dwarf decode context.

Parameters:

program - the program containing the encoded data

readAddr - the address of the encoded data

function - the associated function

DwarfDecodeContext

public DwarfDecodeContext(Program program,
                          Address readAddr,
                          MemoryBlock ehBlock,
                          Address entryPoint)

Constructs a Dwarf decode context.

Parameters:

program - the program containing the encoded data

readAddr - the address of the encoded data

ehBlock - the exception handling memory block

entryPoint - the associated function's entry point

DwarfDecodeContext

public DwarfDecodeContext(MemBuffer buffer,
                          int length)

Constructs a Dwarf decode context.

Parameters:

buffer - the memory buffer which provides the program and address of the encoded data

length - the length of the encoded data

DwarfDecodeContext

public DwarfDecodeContext(MemBuffer buf,
                          int length,
                          MemoryBlock ehBlock,
                          Address entryPoint)

Constructs a Dwarf decode context.

Parameters:

buf - the memory buffer which provides the program and address of the encoded data

length - the length of the encoded data

ehBlock - the exception handling memory block

entryPoint - the function entry point

Method Detail

getProgram

public Program getProgram()

Gets the program containing the encoded data.

Returns:

the program

getAddress

public Address getAddress()

Gets the min address of the encoded data.

Returns:

the address

setDecodedValue

public void setDecodedValue(java.lang.Object value,
                            int encodedLength)

Set the value and value-length after decode

Parameters:

value - The integer-value having been decoded

encodedLength - The length of the encoded integer-value

getDecodedValue

public java.lang.Object getDecodedValue()

Gets the decoded value that is at the address.

Returns:

the decoded value

getEncodedLength

public int getEncodedLength()

Gets the length of the encoded data that is at the address.

Returns:

the encoded data's length

getEhBlock

public MemoryBlock getEhBlock()

Gets the exception handling memory block with this dwarf encoded data.

Returns:

the memory block

getFunctionEntryPoint

public Address getFunctionEntryPoint()

Gets the associated function's entry point.

Returns:

the entry point address

getOriginalImageBaseOffset

public long getOriginalImageBaseOffset()

Gets the offset from the programs image base and the dwarf original image base

Returns:

offset that if added to the current image base would be the original dwarf image base