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/*
* Copyright (c) 2014, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package org.graalvm.compiler.hotspot.word;
import static org.graalvm.compiler.hotspot.word.HotSpotOperation.HotspotOpcode.FROM_POINTER;
import static org.graalvm.compiler.hotspot.word.HotSpotOperation.HotspotOpcode.IS_NULL;
import org.graalvm.compiler.core.common.memory.BarrierType;
import org.graalvm.compiler.word.Word;
import org.graalvm.compiler.word.Word.Opcode;
import org.graalvm.compiler.word.Word.Operation;
import org.graalvm.word.LocationIdentity;
import org.graalvm.word.SignedWord;
import org.graalvm.word.UnsignedWord;
import org.graalvm.word.WordBase;
/**
* Marker type for a metaspace pointer.
*/
public abstract class MetaspacePointer {
@HotSpotOperation(opcode = IS_NULL)
public abstract boolean isNull();
@HotSpotOperation(opcode = FROM_POINTER)
public abstract Word asWord();
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the read
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract byte readByte(WordBase offset, LocationIdentity locationIdentity);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the read
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract char readChar(WordBase offset, LocationIdentity locationIdentity);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the read
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract short readShort(WordBase offset, LocationIdentity locationIdentity);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the read
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract int readInt(WordBase offset, LocationIdentity locationIdentity);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the read
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract long readLong(WordBase offset, LocationIdentity locationIdentity);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the read
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract float readFloat(WordBase offset, LocationIdentity locationIdentity);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the read
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract double readDouble(WordBase offset, LocationIdentity locationIdentity);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the read
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract Word readWord(WordBase offset, LocationIdentity locationIdentity);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the read
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract Object readObject(WordBase offset, LocationIdentity locationIdentity);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the read
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract byte readByte(int offset, LocationIdentity locationIdentity);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the read
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract char readChar(int offset, LocationIdentity locationIdentity);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the read
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract short readShort(int offset, LocationIdentity locationIdentity);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the read
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract int readInt(int offset, LocationIdentity locationIdentity);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the read
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract long readLong(int offset, LocationIdentity locationIdentity);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the read
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract float readFloat(int offset, LocationIdentity locationIdentity);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the read
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract double readDouble(int offset, LocationIdentity locationIdentity);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the read
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract Word readWord(int offset, LocationIdentity locationIdentity);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the read
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract Object readObject(int offset, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeByte(WordBase offset, byte val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeChar(WordBase offset, char val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeShort(WordBase offset, short val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeInt(WordBase offset, int val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeLong(WordBase offset, long val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeFloat(WordBase offset, float val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeDouble(WordBase offset, double val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeWord(WordBase offset, WordBase val, LocationIdentity locationIdentity);
/**
* Initializes the memory at address {@code (this + offset)}. Both the base address and offset
* are in bytes. The memory must be uninitialized or zero prior to this operation.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.INITIALIZE)
public abstract void initializeLong(WordBase offset, long val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeObject(WordBase offset, Object val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeByte(int offset, byte val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeChar(int offset, char val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeShort(int offset, short val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeInt(int offset, int val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeLong(int offset, long val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeFloat(int offset, float val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeDouble(int offset, double val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeWord(int offset, WordBase val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeObject(int offset, Object val, LocationIdentity locationIdentity);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract byte readByte(WordBase offset);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract char readChar(WordBase offset);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract short readShort(WordBase offset);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract int readInt(WordBase offset);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract long readLong(WordBase offset);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract float readFloat(WordBase offset);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract double readDouble(WordBase offset);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract Word readWord(WordBase offset);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract Object readObject(WordBase offset);
/**
* Reads the memory at address {@code (this + offset)}. This access will decompress the oop if
* the VM uses compressed oops, and it can be parameterized to allow read barriers (G1 referent
* field).
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param barrierType the type of the read barrier to be added
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract Object readObject(WordBase offset, BarrierType barrierType);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract byte readByte(int offset);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract char readChar(int offset);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract short readShort(int offset);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract int readInt(int offset);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract long readLong(int offset);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract float readFloat(int offset);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract double readDouble(int offset);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract Word readWord(int offset);
/**
* Reads the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract Object readObject(int offset);
/**
* Reads the memory at address {@code (this + offset)}. This access will decompress the oop if
* the VM uses compressed oops, and it can be parameterized to allow read barriers (G1 referent
* field).
*
* @param offset the signed offset for the memory access
* @param barrierType the type of the read barrier to be added
* @return the result of the memory access
*/
@Operation(opcode = Opcode.READ_POINTER)
public abstract Object readObject(int offset, BarrierType barrierType);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeByte(WordBase offset, byte val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeChar(WordBase offset, char val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeShort(WordBase offset, short val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeInt(WordBase offset, int val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeLong(WordBase offset, long val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeFloat(WordBase offset, float val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeDouble(WordBase offset, double val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeWord(WordBase offset, WordBase val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeObject(WordBase offset, Object val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeByte(int offset, byte val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeChar(int offset, char val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeShort(int offset, short val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeInt(int offset, int val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeLong(int offset, long val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeFloat(int offset, float val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeDouble(int offset, double val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeWord(int offset, WordBase val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER)
public abstract void writeObject(int offset, Object val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeByteSideEffectFree(WordBase offset, byte val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeCharSideEffectFree(WordBase offset, char val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeShortSideEffectFree(WordBase offset, short val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeIntSideEffectFree(WordBase offset, int val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeLongSideEffectFree(WordBase offset, long val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeFloatSideEffectFree(WordBase offset, float val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeDoubleSideEffectFree(WordBase offset, double val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeWordSideEffectFree(WordBase offset, WordBase val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeObjectSideEffectFree(WordBase offset, Object val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeByteSideEffectFree(int offset, byte val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeCharSideEffectFree(int offset, char val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeShortSideEffectFree(int offset, short val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeIntSideEffectFree(int offset, int val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeLongSideEffectFree(int offset, long val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeFloatSideEffectFree(int offset, float val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeDoubleSideEffectFree(int offset, double val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeWordSideEffectFree(int offset, WordBase val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* @param offset the signed offset for the memory access
* @param locationIdentity the identity of the write
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeObjectSideEffectFree(int offset, Object val, LocationIdentity locationIdentity);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeByteSideEffectFree(WordBase offset, byte val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeCharSideEffectFree(WordBase offset, char val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeShortSideEffectFree(WordBase offset, short val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeIntSideEffectFree(WordBase offset, int val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeLongSideEffectFree(WordBase offset, long val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeFloatSideEffectFree(WordBase offset, float val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeDoubleSideEffectFree(WordBase offset, double val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeWordSideEffectFree(WordBase offset, WordBase val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* The offset is always treated as a {@link SignedWord} value. However, the static type is
* {@link WordBase} to avoid the frequent casts of {@link UnsignedWord} values (where the caller
* knows that the highest-order bit of the unsigned value is never used).
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeObjectSideEffectFree(WordBase offset, Object val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeByteSideEffectFree(int offset, byte val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeCharSideEffectFree(int offset, char val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeShortSideEffectFree(int offset, short val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeIntSideEffectFree(int offset, int val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes.
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeLongSideEffectFree(int offset, long val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeFloatSideEffectFree(int offset, float val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeDoubleSideEffectFree(int offset, double val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeWordSideEffectFree(int offset, WordBase val);
/**
* Writes the memory at address {@code (this + offset)}. Both the base address and offset are in
* bytes. The write is side-effect free, it is not a part of the JVM state and can be repeated
* after deoptimization.
*
* @param offset the signed offset for the memory access
* @param val the value to be written to memory
*/
@Operation(opcode = Opcode.WRITE_POINTER_SIDE_EFFECT_FREE)
public abstract void writeObjectSideEffectFree(int offset, Object val);
}