jdk.internal.jvmci.hotspot

Class HotSpotMethodData.AbstractMethodData

java.lang.Object

jdk.internal.jvmci.hotspot.HotSpotMethodData.AbstractMethodData

All Implemented Interfaces:

HotSpotMethodDataAccessor

Direct Known Subclasses:

HotSpotMethodData.ArrayData, HotSpotMethodData.BitData, HotSpotMethodData.JumpData, HotSpotMethodData.NoMethodData

Enclosing class:

HotSpotMethodData

private abstract static class HotSpotMethodData.AbstractMethodData
extends Object
implements HotSpotMethodDataAccessor

Nested Class Summary

Nested classes/interfaces inherited from interface jdk.internal.jvmci.hotspot.HotSpotMethodDataAccessor

HotSpotMethodDataAccessor.Tag

Field Summary

Fields

Modifier and Type	Field and Description
private static int	EXCEPTIONS_MASK Corresponds to exception_seen_flag.
private int	staticSize
private HotSpotMethodDataAccessor.Tag	tag

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractMethodData(HotSpotMethodDataAccessor.Tag tag, int staticSize)

Method Summary

Modifier and Type	Method and Description
abstract StringBuilder	appendTo(StringBuilder sb, HotSpotMethodData data, int pos)
int	getBCI(HotSpotMethodData data, int position) Returns the BCI stored in the LayoutData header.
double	getBranchTakenProbability(HotSpotMethodData data, int position)
protected int	getDynamicSize(HotSpotMethodData data, int position)
TriState	getExceptionSeen(HotSpotMethodData data, int position)
int	getExecutionCount(HotSpotMethodData data, int position)
protected int	getFlags(HotSpotMethodData data, int position)
JavaMethodProfile	getMethodProfile(HotSpotMethodData data, int position)
TriState	getNullSeen(HotSpotMethodData data, int position)
int	getSize(HotSpotMethodData data, int position) Computes the size for the specific data at the given position.
double[]	getSwitchProbabilities(HotSpotMethodData data, int position)
HotSpotMethodDataAccessor.Tag	getTag() Returns the HotSpotMethodDataAccessor.Tag stored in the LayoutData header.
JavaTypeProfile	getTypeProfile(HotSpotMethodData data, int position)
static HotSpotMethodDataAccessor.Tag	readTag(HotSpotMethodData data, int position)

Methods inherited from class java.lang.Object

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

Field Detail

EXCEPTIONS_MASK

private static final int EXCEPTIONS_MASK

Corresponds to exception_seen_flag.

See Also:

Constant Field Values

tag

private final HotSpotMethodDataAccessor.Tag tag

staticSize

private final int staticSize

Constructor Detail

AbstractMethodData

protected AbstractMethodData(HotSpotMethodDataAccessor.Tag tag,
                             int staticSize)

Method Detail

getTag

public HotSpotMethodDataAccessor.Tag getTag()

Description copied from interface: HotSpotMethodDataAccessor

Returns the HotSpotMethodDataAccessor.Tag stored in the LayoutData header.

Specified by:

getTag in interface HotSpotMethodDataAccessor

Returns:

tag stored in the LayoutData header

readTag

public static HotSpotMethodDataAccessor.Tag readTag(HotSpotMethodData data,
                                                    int position)

getBCI

public int getBCI(HotSpotMethodData data,
                  int position)

Description copied from interface: HotSpotMethodDataAccessor

Returns the BCI stored in the LayoutData header.

Specified by:

getBCI in interface HotSpotMethodDataAccessor

Returns:

An integer ≥ 0 and ≤ Short.MAX_VALUE, or -1 if not supported.

getSize

public int getSize(HotSpotMethodData data,
                   int position)

Description copied from interface: HotSpotMethodDataAccessor

Computes the size for the specific data at the given position.

Specified by:

getSize in interface HotSpotMethodDataAccessor

Returns:

An integer > 0.

getExceptionSeen

public TriState getExceptionSeen(HotSpotMethodData data,
                                 int position)

Specified by:

getExceptionSeen in interface HotSpotMethodDataAccessor

getTypeProfile

public JavaTypeProfile getTypeProfile(HotSpotMethodData data,
                                      int position)

Specified by:

getTypeProfile in interface HotSpotMethodDataAccessor

getMethodProfile

public JavaMethodProfile getMethodProfile(HotSpotMethodData data,
                                          int position)

Specified by:

getMethodProfile in interface HotSpotMethodDataAccessor

getBranchTakenProbability

public double getBranchTakenProbability(HotSpotMethodData data,
                                        int position)

Specified by:

getBranchTakenProbability in interface HotSpotMethodDataAccessor

getSwitchProbabilities

public double[] getSwitchProbabilities(HotSpotMethodData data,
                                       int position)

Specified by:

getSwitchProbabilities in interface HotSpotMethodDataAccessor

getExecutionCount

public int getExecutionCount(HotSpotMethodData data,
                             int position)

Specified by:

getExecutionCount in interface HotSpotMethodDataAccessor

getNullSeen

public TriState getNullSeen(HotSpotMethodData data,
                            int position)

Specified by:

getNullSeen in interface HotSpotMethodDataAccessor

getFlags

protected int getFlags(HotSpotMethodData data,
                       int position)

getDynamicSize

protected int getDynamicSize(HotSpotMethodData data,
                             int position)

Parameters:

data -

position -

appendTo

public abstract StringBuilder appendTo(StringBuilder sb,
                                       HotSpotMethodData data,
                                       int pos)

Specified by:

appendTo in interface HotSpotMethodDataAccessor