frysk.dwfl
Class DwflFactory

java.lang.Object
  frysk.dwfl.DwflFactory

public class DwflFactory
extends Object

Factory for creating Dwfl objects for Procs and Tasks.

Field Summary

private static Log

fine

Constructor Summary

DwflFactory()

Method Summary

static boolean	isVDSO(Proc proc, MemoryMap map) Check whether a given MemoryMap from a Proc refers to the vdso section.
(package private) static Dwfl	updateDwfl(Dwfl dwfl, Task task) Refresh an existing dwfl.
private static long	VDSOAddressLow(Proc proc) Find the low address of the vdso map section of a given Proc.

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

Constructor Detail

DwflFactory

public DwflFactory()

Method Detail

isVDSO

public static boolean isVDSO(Proc proc,
                             MemoryMap map)

Check whether a given MemoryMap from a Proc refers to the vdso section.

Parameters:

proc - the Proc the map refers to.

map - the Map to check.

Returns:

true if map is not null and refers to the vdso section.

VDSOAddressLow

private static long VDSOAddressLow(Proc proc)

Find the low address of the vdso map section of a given Proc.

Parameters:

proc - the given Proc.

Returns:

the low address of the vdso map section of proc.

updateDwfl

static Dwfl updateDwfl(Dwfl dwfl,
                       Task task)

Refresh an existing dwfl. Package private, use DwflCache.getDwfl().