frysk.ftrace
Class TaskTracer

java.lang.Object
  frysk.ftrace.TaskTracer

All Implemented Interfaces:

Ftrace.Driver

 class TaskTracer
extends Object
implements Ftrace.Driver

Package private implementation of Ftrace.Driver interface.

Nested Class Summary

private class	TaskTracer.AddressObserver
private class	TaskTracer.FunctionEnterObserver
private class	TaskTracer.FunctionReturnObserver
private class	TaskTracer.TracePoint

Field Summary

(package private) Arch	arch
private static Log	fine
private static Log	finest
private Ftrace	ftrace
private Map	functionReturnObservers
private Map	symbolObserversForTask
private static Log	warning

Constructor Summary

TaskTracer(Ftrace ftrace, Task task)

Method Summary

private Long	getAddress(DwflSymbol sym, PLTEntry entry)
private TaskTracer.FunctionEnterObserver	getObserver(Task task, DwflSymbol sym, PLTEntry entry)
void	traceAddress(Task task, Long addrToken, long bias, ObjectFile objf)
void	tracePLTEntry(Task task, PLTEntry entry)
void	traceSymbol(Task task, DwflSymbol sym)
void	untrace(Task task, List traceables)

Methods inherited from class java.lang.Object

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

Field Detail

fine

private static final Log fine

finest

private static final Log finest

warning

private static final Log warning

functionReturnObservers

private Map functionReturnObservers

arch

final Arch arch

ftrace

private final Ftrace ftrace

symbolObserversForTask

private final Map symbolObserversForTask

Constructor Detail

TaskTracer

public TaskTracer(Ftrace ftrace,
                  Task task)

Method Detail

getAddress

private Long getAddress(DwflSymbol sym,
                        PLTEntry entry)

getObserver

private TaskTracer.FunctionEnterObserver getObserver(Task task,
                                                     DwflSymbol sym,
                                                     PLTEntry entry)

traceSymbol

public void traceSymbol(Task task,
                        DwflSymbol sym)

Specified by:

traceSymbol in interface Ftrace.Driver

tracePLTEntry

public void tracePLTEntry(Task task,
                          PLTEntry entry)

Specified by:

tracePLTEntry in interface Ftrace.Driver

untrace

public void untrace(Task task,
                    List traceables)

Specified by:

untrace in interface Ftrace.Driver

traceAddress

public void traceAddress(Task task,
                         Long addrToken,
                         long bias,
                         ObjectFile objf)

Specified by:

traceAddress in interface Ftrace.Driver