Top Description Fields Constructors Methods
jdk.vm.ci.code.site

public final Class ImplicitExceptionDispatch

extends Infopoint
Class Inheritance
Imports
jdk.vm.ci.code.DebugInfo
Represents an implicit exception dispatch in the code. Implicit exception dispatch is a platform-specific optimization that makes use of an operating system's trap mechanism, to turn specific branches into sequential code with implicit traps. Information contained in this class will be used by the runtime to register implicit exception dispatch, i.e., a mapping from an exceptional PC offset to a continuation PC offset.

Field Summary

Modifier and TypeField and Description
public final int
dispatchOffset

Inherited from jdk.vm.ci.code.site.Infopoint:
debugInforeason

Constructor Summary

AccessConstructor and Description
public
ImplicitExceptionDispatch(int
the exceptional PC offset
pcOffset, int
the continuation PC offset
dispatchOffset, DebugInfo
debugging information at the exceptional PC
debugInfo)

Construct an implicit exception dispatch.

Method Summary

Modifier and TypeMethod and Description
public boolean
equals(Object
the reference object with which to compare.
obj)

Overrides jdk.vm.ci.code.site.Infopoint.equals.

Indicates whether some other object is "equal to" this one.
public String
toString()

Overrides jdk.vm.ci.code.site.Infopoint.toString.

Returns a string representation of the object.
Inherited from jdk.vm.ci.code.site.Infopoint:
appendDebugInfocompareTo

Field Detail

dispatchOffsetback to summary
public final int dispatchOffset

Constructor Detail

ImplicitExceptionDispatchback to summary
public ImplicitExceptionDispatch(int pcOffset, int dispatchOffset, DebugInfo debugInfo)

Construct an implicit exception dispatch.

Parameters
pcOffset:int

the exceptional PC offset

dispatchOffset:int

the continuation PC offset

debugInfo:DebugInfo

debugging information at the exceptional PC

Method Detail

equalsback to summary
public boolean equals(Object obj)

Overrides jdk.vm.ci.code.site.Infopoint.equals.

Doc from java.lang.Object.equals.

Indicates whether some other object is "equal to" this one.

The equals method implements an equivalence relation on non-null object references:

  • It is reflexive: for any non-null reference value x, x.equals(x) should return true.
  • It is symmetric: for any non-null reference values x and y, x.equals(y) should return true if and only if y.equals(x) returns true.
  • It is transitive: for any non-null reference values x, y, and z, if x.equals(y) returns true and y.equals(z) returns true, then x.equals(z) should return true.
  • It is consistent: for any non-null reference values x and y, multiple invocations of x.equals(y) consistently return true or consistently return false, provided no information used in equals comparisons on the objects is modified.
  • For any non-null reference value x, x.equals(null) should return false.

An equivalence relation partitions the elements it operates on into equivalence classes; all the members of an equivalence class are equal to each other. Members of an equivalence class are substitutable for each other, at least for some purposes.

Parameters
obj:Object

the reference object with which to compare.

Returns:boolean

true if this object is the same as the obj argument; false otherwise.

Annotations
@Override
toStringback to summary
public String toString()

Overrides jdk.vm.ci.code.site.Infopoint.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object.

Returns:String

a string representation of the object

Annotations
@Override