frysk.stepping
Class InstructionStepState

java.lang.Object
  frysk.stepping.State
      frysk.stepping.InstructionStepState

public class InstructionStepState
extends State

Field Summary

private ElfSectionCache	elfCache
private boolean	isLine Indicates that this is a step (into) line, if true then plt entries are skipped.
private String	PLT_DL_FIXUP

Fields inherited from class frysk.stepping.State

task

Constructor Summary

InstructionStepState(Task task, boolean isLine)

Method Summary

State	handleUpdate(TaskStepEngine tse) When the instruction observer from SteppingEngine returns, a single step has been performed.
boolean	isAlive() Returns whether or not this State a Task which has just died.
boolean	isStopped() Returns whether or not this State represents a stopped Task.

Methods inherited from class java.lang.Object

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

Field Detail

elfCache

private ElfSectionCache elfCache

PLT_DL_FIXUP

private final String PLT_DL_FIXUP

See Also:

Constant Field Values

isLine

private final boolean isLine

Indicates that this is a step (into) line, if true then plt entries are skipped.

Constructor Detail

InstructionStepState

public InstructionStepState(Task task,
                            boolean isLine)

Method Detail

handleUpdate

public State handleUpdate(TaskStepEngine tse)

When the instruction observer from SteppingEngine returns, a single step has been performed. All that is left to do is to reset the State for this Task back to a StoppedState.

Specified by:

handleUpdate in class State

Parameters:

tse - The TaskStepEngine for this State.

Returns:

new StoppedState

isStopped

public boolean isStopped()

Description copied from class: State

Returns whether or not this State represents a stopped Task.

Specified by:

isStopped in class State

Returns:

true If the Task is stopped

isAlive

public boolean isAlive()

Description copied from class: State

Returns whether or not this State a Task which has just died.

Specified by:

isAlive in class State

Returns:

true If the Task is alive