org.graalvm.compiler.nodes.memory

Interface OnHeapMemoryAccess

All Superinterfaces:

MemoryAccess, ValueNodeInterface

All Known Implementing Classes:

AArch64ReadNode, AbstractCompareAndSwapNode, AbstractWriteNode, FixedAccessNode, FloatableAccessNode, FloatingAccessNode, FloatingReadNode, JavaOrderedReadNode, JavaReadNode, JavaWriteNode, LogicCompareAndSwapNode, LoweredAtomicReadAndAddNode, LoweredAtomicReadAndWriteNode, OrderedReadNode, OrderedWriteNode, ReadNode, SideEffectFreeWrite, ValueCompareAndSwapNode, WriteNode, ZeroMemoryNode

public interface OnHeapMemoryAccess
extends MemoryAccess

A special form of MemoryAccess requiring barrier information for garbage collection.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	OnHeapMemoryAccess.BarrierType The types of (write/read) barriers attached to stores.

Method Summary

Modifier and Type	Method and Description
OnHeapMemoryAccess.BarrierType	getBarrierType() Gets the write barrier type for that particular access.

Methods inherited from interface org.graalvm.compiler.nodes.memory.MemoryAccess

getLastLocationAccess, getLocationIdentity, setLastLocationAccess

Methods inherited from interface org.graalvm.compiler.nodes.ValueNodeInterface

asNode

Method Detail

getBarrierType

OnHeapMemoryAccess.BarrierType getBarrierType()

Gets the write barrier type for that particular access.