| /* |
| * Copyright (c) 2013, 2016, 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 org.graalvm.compiler.word; |
| |
| import org.graalvm.compiler.core.common.LocationIdentity; |
| import org.graalvm.compiler.word.Word.Opcode; |
| import org.graalvm.compiler.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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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 |
| * @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); |
| } |