MultianewarrayHelper (Jikes RVM API)

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org.jikesrvm.ia32
Class MultianewarrayHelper

java.lang.Object
  org.jikesrvm.ia32.MultianewarrayHelper

Direct Known Subclasses:: ArchitectureSpecific.MultianewarrayHelper

public abstract class MultianewarrayHelper
extends Object
extends Object

Helper routine to pull the parameters to multianewarray off the Java expression stack maintained by the baseline compiler and pass them to RuntimeEntrypoints.buildMultiDimensionalArray.

TODO: There is only 1 line of platform dependent code here; refactor?

Constructor Summary
`MultianewarrayHelper()`

Method Summary
`(package private) static Object`	`newArrayArray(int methodId, int numDimensions, int typeId, int argOffset)` Allocate something like {@code new Foo[cnt0][cnt1]...

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

MultianewarrayHelper

public MultianewarrayHelper()

Method Detail

newArrayArray

static Object newArrayArray(int methodId,
                            int numDimensions,
                            int typeId,
                            int argOffset)
                     throws NoClassDefFoundError,
                            NegativeArraySizeException,
                            OutOfMemoryError

Allocate something like new Foo[cnt0][cnt1]...[cntN-1], or new int[cnt0][cnt1]...[cntN-1].

Parameters:: methodId - method id of caller; numDimensions - number of array dimensions; typeId - type id of type reference for array; argOffset - position of word *above* `cnt0' argument within caller's frame This is used to access the number of elements to be allocated for each dimension. See also: bytecode 0xc5 ("multianewarray") in BaselineCompilerImpl
Throws:: NoClassDefFoundError; NegativeArraySizeException; OutOfMemoryError