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Memory.Manager
Class ScanStack  

java.lang.Object
  Memory.Manager.ScanStack

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public class ScanStack

extends java.lang.Object

Version:

$Id: ScanStack.java,v 1.3 2003/05/12 10:05:19 joewhaley Exp $

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Field Summary
(package private) static boolean	DUMP_STACK_FRAMES
(package private) static boolean	DUMP_STACK_REFS
(package private) static int	stackDumpCount
(package private) static boolean	TRACE_STACKS
(package private) static boolean	VALIDATE_STACK_REFS

 

Constructor Summary

ScanStack()

 

Method Summary
static void	processRoots()
static void	scanThreadStack(Scheduler.jq_Thread t, Memory.Address top_frame, boolean relocate_code)           Scans a threads stack during collection to find object references.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

VALIDATE_STACK_REFS

static final boolean VALIDATE_STACK_REFS

See Also:

Constant Field Values

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DUMP_STACK_FRAMES

static final boolean DUMP_STACK_FRAMES

See Also:

Constant Field Values

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DUMP_STACK_REFS

static final boolean DUMP_STACK_REFS

See Also:

Constant Field Values

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TRACE_STACKS

static final boolean TRACE_STACKS

See Also:

Constant Field Values

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stackDumpCount

static int stackDumpCount

Constructor Detail

ScanStack

public ScanStack()

Method Detail

scanThreadStack

public static void scanThreadStack(Scheduler.jq_Thread t,
                                   Memory.Address top_frame,
                                   boolean relocate_code)

Scans a threads stack during collection to find object references. Locates and updates references in stack frames using stack maps, and references associated with JNI native frames. Located references are processed by calling VM_Allocator.processPtrField.

If relocate_code is true, moves code objects, and updates saved link registers in the stack frames.

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processRoots

public static void processRoots()

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