Mercurial > hg > truffle
view graal/com.oracle.graal.word/src/com/oracle/graal/word/ObjectAccess.java @ 16688:6fdfe46660a1
Merge with 4d0d1dc5db0039a0c7a0a1f127819b222b49a3a1
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Mon, 04 Aug 2014 19:02:56 -0700 |
parents | faebb143dab2 |
children | 48c1ebd24120 |
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/* * Copyright (c) 2013, 2013, 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. * * 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 * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.word; import com.oracle.graal.api.meta.*; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.word.Word.Opcode; import com.oracle.graal.word.Word.Operation; /** * Low-level memory access for Objects. Similarly to the readXxx and writeXxx methods defined for * {@link Pointer}, these methods access the raw memory without any null checks, read- or write * barriers. When the VM uses compressed pointers, then readObject and writeObject methods access * compressed pointers. */ public final class ObjectAccess { /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the read (see {@link LocationNode}) * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native byte readByte(Object object, WordBase offset, LocationIdentity locationIdentity); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the read (see {@link LocationNode}) * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native char readChar(Object object, WordBase offset, LocationIdentity locationIdentity); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the read (see {@link LocationNode}) * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native short readShort(Object object, WordBase offset, LocationIdentity locationIdentity); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the read (see {@link LocationNode}) * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native int readInt(Object object, WordBase offset, LocationIdentity locationIdentity); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the read (see {@link LocationNode}) * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native long readLong(Object object, WordBase offset, LocationIdentity locationIdentity); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the read (see {@link LocationNode}) * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native float readFloat(Object object, WordBase offset, LocationIdentity locationIdentity); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the read (see {@link LocationNode}) * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native double readDouble(Object object, WordBase offset, LocationIdentity locationIdentity); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the read (see {@link LocationNode}) * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native Word readWord(Object object, WordBase offset, LocationIdentity locationIdentity); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the read (see {@link LocationNode}) * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native Object readObject(Object object, WordBase offset, LocationIdentity locationIdentity); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the read (see {@link LocationNode}) * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native byte readByte(Object object, int offset, LocationIdentity locationIdentity); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the read (see {@link LocationNode}) * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native char readChar(Object object, int offset, LocationIdentity locationIdentity); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the read (see {@link LocationNode}) * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native short readShort(Object object, int offset, LocationIdentity locationIdentity); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the read (see {@link LocationNode}) * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native int readInt(Object object, int offset, LocationIdentity locationIdentity); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the read (see {@link LocationNode}) * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native long readLong(Object object, int offset, LocationIdentity locationIdentity); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the read (see {@link LocationNode}) * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native float readFloat(Object object, int offset, LocationIdentity locationIdentity); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the read (see {@link LocationNode}) * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native double readDouble(Object object, int offset, LocationIdentity locationIdentity); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the read (see {@link LocationNode}) * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native Word readWord(Object object, int offset, LocationIdentity locationIdentity); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the read (see {@link LocationNode}) * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native Object readObject(Object object, int offset, LocationIdentity locationIdentity); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the write (see {@link LocationNode}) * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeByte(Object object, WordBase offset, byte val, LocationIdentity locationIdentity); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the write (see {@link LocationNode}) * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeChar(Object object, WordBase offset, char val, LocationIdentity locationIdentity); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the write (see {@link LocationNode}) * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeShort(Object object, WordBase offset, short val, LocationIdentity locationIdentity); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the write (see {@link LocationNode}) * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeInt(Object object, WordBase offset, int val, LocationIdentity locationIdentity); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the write (see {@link LocationNode}) * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeLong(Object object, WordBase offset, long val, LocationIdentity locationIdentity); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the write (see {@link LocationNode}) * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeFloat(Object object, WordBase offset, float val, LocationIdentity locationIdentity); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the write (see {@link LocationNode}) * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeDouble(Object object, WordBase offset, double val, LocationIdentity locationIdentity); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the write (see {@link LocationNode}) * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeWord(Object object, WordBase offset, WordBase val, LocationIdentity locationIdentity); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the write (see {@link LocationNode}) * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeObject(Object object, WordBase offset, Object val, LocationIdentity locationIdentity); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the write (see {@link LocationNode}) * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeByte(Object object, int offset, byte val, LocationIdentity locationIdentity); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the write (see {@link LocationNode}) * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeChar(Object object, int offset, char val, LocationIdentity locationIdentity); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the write (see {@link LocationNode}) * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeShort(Object object, int offset, short val, LocationIdentity locationIdentity); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the write (see {@link LocationNode}) * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeInt(Object object, int offset, int val, LocationIdentity locationIdentity); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the write (see {@link LocationNode}) * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeLong(Object object, int offset, long val, LocationIdentity locationIdentity); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the write (see {@link LocationNode}) * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeFloat(Object object, int offset, float val, LocationIdentity locationIdentity); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the write (see {@link LocationNode}) * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeDouble(Object object, int offset, double val, LocationIdentity locationIdentity); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the write (see {@link LocationNode}) * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeWord(Object object, int offset, WordBase val, LocationIdentity locationIdentity); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param locationIdentity the identity of the write (see {@link LocationNode}) * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeObject(Object object, int offset, Object val, LocationIdentity locationIdentity); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native byte readByte(Object object, WordBase offset); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native char readChar(Object object, WordBase offset); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native short readShort(Object object, WordBase offset); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native int readInt(Object object, WordBase offset); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native long readLong(Object object, WordBase offset); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native float readFloat(Object object, WordBase offset); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native double readDouble(Object object, WordBase offset); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native Word readWord(Object object, WordBase offset); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native Object readObject(Object object, WordBase offset); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native byte readByte(Object object, int offset); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native char readChar(Object object, int offset); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native short readShort(Object object, int offset); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native int readInt(Object object, int offset); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native long readLong(Object object, int offset); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native float readFloat(Object object, int offset); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native double readDouble(Object object, int offset); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native Word readWord(Object object, int offset); /** * Reads the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @return the result of the memory access */ @Operation(opcode = Opcode.READ_OBJECT) public static native Object readObject(Object object, int offset); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeByte(Object object, WordBase offset, byte val); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeChar(Object object, WordBase offset, char val); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeShort(Object object, WordBase offset, short val); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeInt(Object object, WordBase offset, int val); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeLong(Object object, WordBase offset, long val); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeFloat(Object object, WordBase offset, float val); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeDouble(Object object, WordBase offset, double val); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeWord(Object object, WordBase offset, WordBase val); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * <p> * The offset is always treated as a {@link Signed} value. However, the static type is * {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller * knows that the highest-order bit of the unsigned value is never used). * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeObject(Object object, WordBase offset, Object val); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeByte(Object object, int offset, byte val); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeChar(Object object, int offset, char val); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeShort(Object object, int offset, short val); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeInt(Object object, int offset, int val); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeLong(Object object, int offset, long val); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeFloat(Object object, int offset, float val); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeDouble(Object object, int offset, double val); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeWord(Object object, int offset, WordBase val); /** * Writes the memory at address {@code (object + offset)}. The offset is in bytes. * * @param object the base object for the memory access * @param offset the signed offset for the memory access * @param val the value to be written to memory */ @Operation(opcode = Opcode.WRITE_OBJECT) public static native void writeObject(Object object, int offset, Object val); }