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/*
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* Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package org.graalvm.compiler.word;
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import org.graalvm.api.word.LocationIdentity;
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import org.graalvm.api.word.Pointer;
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import org.graalvm.api.word.Signed;
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import org.graalvm.api.word.Unsigned;
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import org.graalvm.api.word.WordBase;
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43972
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import org.graalvm.compiler.word.Word.Opcode;
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import org.graalvm.compiler.word.Word.Operation;
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/**
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* Low-level memory access for Objects. Similarly to the readXxx and writeXxx methods defined for
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* {@link Pointer}, these methods access the raw memory without any null checks, read- or write
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* barriers. When the VM uses compressed pointers, then readObject and writeObject methods access
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* compressed pointers.
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*/
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public final class ObjectAccess {
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/**
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* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
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* <p>
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* The offset is always treated as a {@link Signed} value. However, the static type is
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* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
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* knows that the highest-order bit of the unsigned value is never used).
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the read
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* @return the result of the memory access
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*/
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@Operation(opcode = Opcode.READ_OBJECT)
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public static native byte readByte(Object object, WordBase offset, LocationIdentity locationIdentity);
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/**
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* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
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* <p>
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* The offset is always treated as a {@link Signed} value. However, the static type is
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* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
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* knows that the highest-order bit of the unsigned value is never used).
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the read
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* @return the result of the memory access
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*/
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@Operation(opcode = Opcode.READ_OBJECT)
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public static native char readChar(Object object, WordBase offset, LocationIdentity locationIdentity);
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/**
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* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
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* <p>
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* The offset is always treated as a {@link Signed} value. However, the static type is
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* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
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* knows that the highest-order bit of the unsigned value is never used).
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the read
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* @return the result of the memory access
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*/
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@Operation(opcode = Opcode.READ_OBJECT)
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public static native short readShort(Object object, WordBase offset, LocationIdentity locationIdentity);
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/**
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* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
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* <p>
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* The offset is always treated as a {@link Signed} value. However, the static type is
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* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
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* knows that the highest-order bit of the unsigned value is never used).
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the read
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* @return the result of the memory access
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*/
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@Operation(opcode = Opcode.READ_OBJECT)
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public static native int readInt(Object object, WordBase offset, LocationIdentity locationIdentity);
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/**
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* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
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* <p>
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* The offset is always treated as a {@link Signed} value. However, the static type is
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* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
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* knows that the highest-order bit of the unsigned value is never used).
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the read
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* @return the result of the memory access
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*/
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@Operation(opcode = Opcode.READ_OBJECT)
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public static native long readLong(Object object, WordBase offset, LocationIdentity locationIdentity);
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/**
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* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
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* <p>
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* The offset is always treated as a {@link Signed} value. However, the static type is
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* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
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* knows that the highest-order bit of the unsigned value is never used).
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the read
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* @return the result of the memory access
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*/
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@Operation(opcode = Opcode.READ_OBJECT)
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public static native float readFloat(Object object, WordBase offset, LocationIdentity locationIdentity);
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/**
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* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
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* <p>
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* The offset is always treated as a {@link Signed} value. However, the static type is
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* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
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* knows that the highest-order bit of the unsigned value is never used).
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the read
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* @return the result of the memory access
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*/
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@Operation(opcode = Opcode.READ_OBJECT)
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public static native double readDouble(Object object, WordBase offset, LocationIdentity locationIdentity);
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/**
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* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
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* <p>
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* The offset is always treated as a {@link Signed} value. However, the static type is
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* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
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* knows that the highest-order bit of the unsigned value is never used).
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the read
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* @return the result of the memory access
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*/
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@Operation(opcode = Opcode.READ_OBJECT)
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public static native <T extends WordBase> T readWord(Object object, WordBase offset, LocationIdentity locationIdentity);
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/**
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* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
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* <p>
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* The offset is always treated as a {@link Signed} value. However, the static type is
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* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
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* knows that the highest-order bit of the unsigned value is never used).
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the read
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* @return the result of the memory access
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*/
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@Operation(opcode = Opcode.READ_OBJECT)
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public static native Object readObject(Object object, WordBase offset, LocationIdentity locationIdentity);
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/**
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* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the read
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* @return the result of the memory access
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*/
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@Operation(opcode = Opcode.READ_OBJECT)
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public static native byte readByte(Object object, int offset, LocationIdentity locationIdentity);
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/**
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* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the read
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* @return the result of the memory access
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*/
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@Operation(opcode = Opcode.READ_OBJECT)
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public static native char readChar(Object object, int offset, LocationIdentity locationIdentity);
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/**
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* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the read
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* @return the result of the memory access
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*/
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@Operation(opcode = Opcode.READ_OBJECT)
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public static native short readShort(Object object, int offset, LocationIdentity locationIdentity);
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/**
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* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the read
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* @return the result of the memory access
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*/
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@Operation(opcode = Opcode.READ_OBJECT)
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public static native int readInt(Object object, int offset, LocationIdentity locationIdentity);
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/**
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* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the read
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* @return the result of the memory access
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*/
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@Operation(opcode = Opcode.READ_OBJECT)
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public static native long readLong(Object object, int offset, LocationIdentity locationIdentity);
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/**
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* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the read
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* @return the result of the memory access
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*/
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@Operation(opcode = Opcode.READ_OBJECT)
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public static native float readFloat(Object object, int offset, LocationIdentity locationIdentity);
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/**
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* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the read
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* @return the result of the memory access
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*/
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@Operation(opcode = Opcode.READ_OBJECT)
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public static native double readDouble(Object object, int offset, LocationIdentity locationIdentity);
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/**
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* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the read
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* @return the result of the memory access
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*/
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@Operation(opcode = Opcode.READ_OBJECT)
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public static native <T extends WordBase> T readWord(Object object, int offset, LocationIdentity locationIdentity);
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/**
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* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the read
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* @return the result of the memory access
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*/
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@Operation(opcode = Opcode.READ_OBJECT)
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public static native Object readObject(Object object, int offset, LocationIdentity locationIdentity);
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/**
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* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
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* <p>
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* The offset is always treated as a {@link Signed} value. However, the static type is
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* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
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* knows that the highest-order bit of the unsigned value is never used).
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the write
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* @param val the value to be written to memory
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*/
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@Operation(opcode = Opcode.WRITE_OBJECT)
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public static native void writeByte(Object object, WordBase offset, byte val, LocationIdentity locationIdentity);
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/**
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* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
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* <p>
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* The offset is always treated as a {@link Signed} value. However, the static type is
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* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
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* knows that the highest-order bit of the unsigned value is never used).
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the write
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* @param val the value to be written to memory
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*/
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@Operation(opcode = Opcode.WRITE_OBJECT)
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public static native void writeChar(Object object, WordBase offset, char val, LocationIdentity locationIdentity);
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/**
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* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
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* <p>
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* The offset is always treated as a {@link Signed} value. However, the static type is
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* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
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* knows that the highest-order bit of the unsigned value is never used).
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*
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* @param object the base object for the memory access
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* @param offset the signed offset for the memory access
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* @param locationIdentity the identity of the write
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* @param val the value to be written to memory
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*/
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@Operation(opcode = Opcode.WRITE_OBJECT)
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public static native void writeShort(Object object, WordBase offset, short val, LocationIdentity locationIdentity);
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/**
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* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
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* <p>
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* The offset is always treated as a {@link Signed} value. However, the static type is
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* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
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* knows that the highest-order bit of the unsigned value is never used).
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*
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327 |
* @param object the base object for the memory access
|
|
|
328 |
* @param offset the signed offset for the memory access
|
|
|
329 |
* @param locationIdentity the identity of the write
|
|
|
330 |
* @param val the value to be written to memory
|
|
|
331 |
*/
|
|
|
332 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
333 |
public static native void writeInt(Object object, WordBase offset, int val, LocationIdentity locationIdentity);
|
|
|
334 |
|
|
|
335 |
/**
|
|
|
336 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
337 |
* <p>
|
|
|
338 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
339 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
340 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
341 |
*
|
|
|
342 |
* @param object the base object for the memory access
|
|
|
343 |
* @param offset the signed offset for the memory access
|
|
|
344 |
* @param locationIdentity the identity of the write
|
|
|
345 |
* @param val the value to be written to memory
|
|
|
346 |
*/
|
|
|
347 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
348 |
public static native void writeLong(Object object, WordBase offset, long val, LocationIdentity locationIdentity);
|
|
|
349 |
|
|
|
350 |
/**
|
|
|
351 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
352 |
* <p>
|
|
|
353 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
354 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
355 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
356 |
*
|
|
|
357 |
* @param object the base object for the memory access
|
|
|
358 |
* @param offset the signed offset for the memory access
|
|
|
359 |
* @param locationIdentity the identity of the write
|
|
|
360 |
* @param val the value to be written to memory
|
|
|
361 |
*/
|
|
|
362 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
363 |
public static native void writeFloat(Object object, WordBase offset, float val, LocationIdentity locationIdentity);
|
|
|
364 |
|
|
|
365 |
/**
|
|
|
366 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
367 |
* <p>
|
|
|
368 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
369 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
370 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
371 |
*
|
|
|
372 |
* @param object the base object for the memory access
|
|
|
373 |
* @param offset the signed offset for the memory access
|
|
|
374 |
* @param locationIdentity the identity of the write
|
|
|
375 |
* @param val the value to be written to memory
|
|
|
376 |
*/
|
|
|
377 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
378 |
public static native void writeDouble(Object object, WordBase offset, double val, LocationIdentity locationIdentity);
|
|
|
379 |
|
|
|
380 |
/**
|
|
|
381 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
382 |
* <p>
|
|
|
383 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
384 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
385 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
386 |
*
|
|
|
387 |
* @param object the base object for the memory access
|
|
|
388 |
* @param offset the signed offset for the memory access
|
|
|
389 |
* @param locationIdentity the identity of the write
|
|
|
390 |
* @param val the value to be written to memory
|
|
|
391 |
*/
|
|
|
392 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
393 |
public static native void writeWord(Object object, WordBase offset, WordBase val, LocationIdentity locationIdentity);
|
|
|
394 |
|
|
|
395 |
/**
|
|
|
396 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
397 |
* <p>
|
|
|
398 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
399 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
400 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
401 |
*
|
|
|
402 |
* @param object the base object for the memory access
|
|
|
403 |
* @param offset the signed offset for the memory access
|
|
|
404 |
* @param locationIdentity the identity of the write
|
|
|
405 |
* @param val the value to be written to memory
|
|
|
406 |
*/
|
|
|
407 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
408 |
public static native void writeObject(Object object, WordBase offset, Object val, LocationIdentity locationIdentity);
|
|
|
409 |
|
|
|
410 |
/**
|
|
|
411 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
412 |
*
|
|
|
413 |
* @param object the base object for the memory access
|
|
|
414 |
* @param offset the signed offset for the memory access
|
|
|
415 |
* @param locationIdentity the identity of the write
|
|
|
416 |
* @param val the value to be written to memory
|
|
|
417 |
*/
|
|
|
418 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
419 |
public static native void writeByte(Object object, int offset, byte val, LocationIdentity locationIdentity);
|
|
|
420 |
|
|
|
421 |
/**
|
|
|
422 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
423 |
*
|
|
|
424 |
* @param object the base object for the memory access
|
|
|
425 |
* @param offset the signed offset for the memory access
|
|
|
426 |
* @param locationIdentity the identity of the write
|
|
|
427 |
* @param val the value to be written to memory
|
|
|
428 |
*/
|
|
|
429 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
430 |
public static native void writeChar(Object object, int offset, char val, LocationIdentity locationIdentity);
|
|
|
431 |
|
|
|
432 |
/**
|
|
|
433 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
434 |
*
|
|
|
435 |
* @param object the base object for the memory access
|
|
|
436 |
* @param offset the signed offset for the memory access
|
|
|
437 |
* @param locationIdentity the identity of the write
|
|
|
438 |
* @param val the value to be written to memory
|
|
|
439 |
*/
|
|
|
440 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
441 |
public static native void writeShort(Object object, int offset, short val, LocationIdentity locationIdentity);
|
|
|
442 |
|
|
|
443 |
/**
|
|
|
444 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
445 |
*
|
|
|
446 |
* @param object the base object for the memory access
|
|
|
447 |
* @param offset the signed offset for the memory access
|
|
|
448 |
* @param locationIdentity the identity of the write
|
|
|
449 |
* @param val the value to be written to memory
|
|
|
450 |
*/
|
|
|
451 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
452 |
public static native void writeInt(Object object, int offset, int val, LocationIdentity locationIdentity);
|
|
|
453 |
|
|
|
454 |
/**
|
|
|
455 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
456 |
*
|
|
|
457 |
* @param object the base object for the memory access
|
|
|
458 |
* @param offset the signed offset for the memory access
|
|
|
459 |
* @param locationIdentity the identity of the write
|
|
|
460 |
* @param val the value to be written to memory
|
|
|
461 |
*/
|
|
|
462 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
463 |
public static native void writeLong(Object object, int offset, long val, LocationIdentity locationIdentity);
|
|
|
464 |
|
|
|
465 |
/**
|
|
|
466 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
467 |
*
|
|
|
468 |
* @param object the base object for the memory access
|
|
|
469 |
* @param offset the signed offset for the memory access
|
|
|
470 |
* @param locationIdentity the identity of the write
|
|
|
471 |
* @param val the value to be written to memory
|
|
|
472 |
*/
|
|
|
473 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
474 |
public static native void writeFloat(Object object, int offset, float val, LocationIdentity locationIdentity);
|
|
|
475 |
|
|
|
476 |
/**
|
|
|
477 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
478 |
*
|
|
|
479 |
* @param object the base object for the memory access
|
|
|
480 |
* @param offset the signed offset for the memory access
|
|
|
481 |
* @param locationIdentity the identity of the write
|
|
|
482 |
* @param val the value to be written to memory
|
|
|
483 |
*/
|
|
|
484 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
485 |
public static native void writeDouble(Object object, int offset, double val, LocationIdentity locationIdentity);
|
|
|
486 |
|
|
|
487 |
/**
|
|
|
488 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
489 |
*
|
|
|
490 |
* @param object the base object for the memory access
|
|
|
491 |
* @param offset the signed offset for the memory access
|
|
|
492 |
* @param locationIdentity the identity of the write
|
|
|
493 |
* @param val the value to be written to memory
|
|
|
494 |
*/
|
|
|
495 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
496 |
public static native void writeWord(Object object, int offset, WordBase val, LocationIdentity locationIdentity);
|
|
|
497 |
|
|
|
498 |
/**
|
|
|
499 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
500 |
*
|
|
|
501 |
* @param object the base object for the memory access
|
|
|
502 |
* @param offset the signed offset for the memory access
|
|
|
503 |
* @param locationIdentity the identity of the write
|
|
|
504 |
* @param val the value to be written to memory
|
|
|
505 |
*/
|
|
|
506 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
507 |
public static native void writeObject(Object object, int offset, Object val, LocationIdentity locationIdentity);
|
|
|
508 |
|
|
|
509 |
/**
|
|
|
510 |
* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
511 |
* <p>
|
|
|
512 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
513 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
514 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
515 |
*
|
|
|
516 |
* @param object the base object for the memory access
|
|
|
517 |
* @param offset the signed offset for the memory access
|
|
|
518 |
* @return the result of the memory access
|
|
|
519 |
*/
|
|
|
520 |
@Operation(opcode = Opcode.READ_OBJECT)
|
|
|
521 |
public static native byte readByte(Object object, WordBase offset);
|
|
|
522 |
|
|
|
523 |
/**
|
|
|
524 |
* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
525 |
* <p>
|
|
|
526 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
527 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
528 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
529 |
*
|
|
|
530 |
* @param object the base object for the memory access
|
|
|
531 |
* @param offset the signed offset for the memory access
|
|
|
532 |
* @return the result of the memory access
|
|
|
533 |
*/
|
|
|
534 |
@Operation(opcode = Opcode.READ_OBJECT)
|
|
|
535 |
public static native char readChar(Object object, WordBase offset);
|
|
|
536 |
|
|
|
537 |
/**
|
|
|
538 |
* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
539 |
* <p>
|
|
|
540 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
541 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
542 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
543 |
*
|
|
|
544 |
* @param object the base object for the memory access
|
|
|
545 |
* @param offset the signed offset for the memory access
|
|
|
546 |
* @return the result of the memory access
|
|
|
547 |
*/
|
|
|
548 |
@Operation(opcode = Opcode.READ_OBJECT)
|
|
|
549 |
public static native short readShort(Object object, WordBase offset);
|
|
|
550 |
|
|
|
551 |
/**
|
|
|
552 |
* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
553 |
* <p>
|
|
|
554 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
555 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
556 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
557 |
*
|
|
|
558 |
* @param object the base object for the memory access
|
|
|
559 |
* @param offset the signed offset for the memory access
|
|
|
560 |
* @return the result of the memory access
|
|
|
561 |
*/
|
|
|
562 |
@Operation(opcode = Opcode.READ_OBJECT)
|
|
|
563 |
public static native int readInt(Object object, WordBase offset);
|
|
|
564 |
|
|
|
565 |
/**
|
|
|
566 |
* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
567 |
* <p>
|
|
|
568 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
569 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
570 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
571 |
*
|
|
|
572 |
* @param object the base object for the memory access
|
|
|
573 |
* @param offset the signed offset for the memory access
|
|
|
574 |
* @return the result of the memory access
|
|
|
575 |
*/
|
|
|
576 |
@Operation(opcode = Opcode.READ_OBJECT)
|
|
|
577 |
public static native long readLong(Object object, WordBase offset);
|
|
|
578 |
|
|
|
579 |
/**
|
|
|
580 |
* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
581 |
* <p>
|
|
|
582 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
583 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
584 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
585 |
*
|
|
|
586 |
* @param object the base object for the memory access
|
|
|
587 |
* @param offset the signed offset for the memory access
|
|
|
588 |
* @return the result of the memory access
|
|
|
589 |
*/
|
|
|
590 |
@Operation(opcode = Opcode.READ_OBJECT)
|
|
|
591 |
public static native float readFloat(Object object, WordBase offset);
|
|
|
592 |
|
|
|
593 |
/**
|
|
|
594 |
* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
595 |
* <p>
|
|
|
596 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
597 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
598 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
599 |
*
|
|
|
600 |
* @param object the base object for the memory access
|
|
|
601 |
* @param offset the signed offset for the memory access
|
|
|
602 |
* @return the result of the memory access
|
|
|
603 |
*/
|
|
|
604 |
@Operation(opcode = Opcode.READ_OBJECT)
|
|
|
605 |
public static native double readDouble(Object object, WordBase offset);
|
|
|
606 |
|
|
|
607 |
/**
|
|
|
608 |
* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
609 |
* <p>
|
|
|
610 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
611 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
612 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
613 |
*
|
|
|
614 |
* @param object the base object for the memory access
|
|
|
615 |
* @param offset the signed offset for the memory access
|
|
|
616 |
* @return the result of the memory access
|
|
|
617 |
*/
|
|
|
618 |
@Operation(opcode = Opcode.READ_OBJECT)
|
|
46459
|
619 |
public static native <T extends WordBase> T readWord(Object object, WordBase offset);
|
|
43972
|
620 |
|
|
|
621 |
/**
|
|
|
622 |
* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
623 |
* <p>
|
|
|
624 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
625 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
626 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
627 |
*
|
|
|
628 |
* @param object the base object for the memory access
|
|
|
629 |
* @param offset the signed offset for the memory access
|
|
|
630 |
* @return the result of the memory access
|
|
|
631 |
*/
|
|
|
632 |
@Operation(opcode = Opcode.READ_OBJECT)
|
|
|
633 |
public static native Object readObject(Object object, WordBase offset);
|
|
|
634 |
|
|
|
635 |
/**
|
|
|
636 |
* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
637 |
*
|
|
|
638 |
* @param object the base object for the memory access
|
|
|
639 |
* @param offset the signed offset for the memory access
|
|
|
640 |
* @return the result of the memory access
|
|
|
641 |
*/
|
|
|
642 |
@Operation(opcode = Opcode.READ_OBJECT)
|
|
|
643 |
public static native byte readByte(Object object, int offset);
|
|
|
644 |
|
|
|
645 |
/**
|
|
|
646 |
* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
647 |
*
|
|
|
648 |
* @param object the base object for the memory access
|
|
|
649 |
* @param offset the signed offset for the memory access
|
|
|
650 |
* @return the result of the memory access
|
|
|
651 |
*/
|
|
|
652 |
@Operation(opcode = Opcode.READ_OBJECT)
|
|
|
653 |
public static native char readChar(Object object, int offset);
|
|
|
654 |
|
|
|
655 |
/**
|
|
|
656 |
* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
657 |
*
|
|
|
658 |
* @param object the base object for the memory access
|
|
|
659 |
* @param offset the signed offset for the memory access
|
|
|
660 |
* @return the result of the memory access
|
|
|
661 |
*/
|
|
|
662 |
@Operation(opcode = Opcode.READ_OBJECT)
|
|
|
663 |
public static native short readShort(Object object, int offset);
|
|
|
664 |
|
|
|
665 |
/**
|
|
|
666 |
* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
667 |
*
|
|
|
668 |
* @param object the base object for the memory access
|
|
|
669 |
* @param offset the signed offset for the memory access
|
|
|
670 |
* @return the result of the memory access
|
|
|
671 |
*/
|
|
|
672 |
@Operation(opcode = Opcode.READ_OBJECT)
|
|
|
673 |
public static native int readInt(Object object, int offset);
|
|
|
674 |
|
|
|
675 |
/**
|
|
|
676 |
* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
677 |
*
|
|
|
678 |
* @param object the base object for the memory access
|
|
|
679 |
* @param offset the signed offset for the memory access
|
|
|
680 |
* @return the result of the memory access
|
|
|
681 |
*/
|
|
|
682 |
@Operation(opcode = Opcode.READ_OBJECT)
|
|
|
683 |
public static native long readLong(Object object, int offset);
|
|
|
684 |
|
|
|
685 |
/**
|
|
|
686 |
* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
687 |
*
|
|
|
688 |
* @param object the base object for the memory access
|
|
|
689 |
* @param offset the signed offset for the memory access
|
|
|
690 |
* @return the result of the memory access
|
|
|
691 |
*/
|
|
|
692 |
@Operation(opcode = Opcode.READ_OBJECT)
|
|
|
693 |
public static native float readFloat(Object object, int offset);
|
|
|
694 |
|
|
|
695 |
/**
|
|
|
696 |
* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
697 |
*
|
|
|
698 |
* @param object the base object for the memory access
|
|
|
699 |
* @param offset the signed offset for the memory access
|
|
|
700 |
* @return the result of the memory access
|
|
|
701 |
*/
|
|
|
702 |
@Operation(opcode = Opcode.READ_OBJECT)
|
|
|
703 |
public static native double readDouble(Object object, int offset);
|
|
|
704 |
|
|
|
705 |
/**
|
|
|
706 |
* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
707 |
*
|
|
|
708 |
* @param object the base object for the memory access
|
|
|
709 |
* @param offset the signed offset for the memory access
|
|
|
710 |
* @return the result of the memory access
|
|
|
711 |
*/
|
|
|
712 |
@Operation(opcode = Opcode.READ_OBJECT)
|
|
46459
|
713 |
public static native <T extends WordBase> T readWord(Object object, int offset);
|
|
43972
|
714 |
|
|
|
715 |
/**
|
|
|
716 |
* Reads the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
717 |
*
|
|
|
718 |
* @param object the base object for the memory access
|
|
|
719 |
* @param offset the signed offset for the memory access
|
|
|
720 |
* @return the result of the memory access
|
|
|
721 |
*/
|
|
|
722 |
@Operation(opcode = Opcode.READ_OBJECT)
|
|
|
723 |
public static native Object readObject(Object object, int offset);
|
|
|
724 |
|
|
|
725 |
/**
|
|
|
726 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
727 |
* <p>
|
|
|
728 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
729 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
730 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
731 |
*
|
|
|
732 |
* @param object the base object for the memory access
|
|
|
733 |
* @param offset the signed offset for the memory access
|
|
|
734 |
* @param val the value to be written to memory
|
|
|
735 |
*/
|
|
|
736 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
737 |
public static native void writeByte(Object object, WordBase offset, byte val);
|
|
|
738 |
|
|
|
739 |
/**
|
|
|
740 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
741 |
* <p>
|
|
|
742 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
743 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
744 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
745 |
*
|
|
|
746 |
* @param object the base object for the memory access
|
|
|
747 |
* @param offset the signed offset for the memory access
|
|
|
748 |
* @param val the value to be written to memory
|
|
|
749 |
*/
|
|
|
750 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
751 |
public static native void writeChar(Object object, WordBase offset, char val);
|
|
|
752 |
|
|
|
753 |
/**
|
|
|
754 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
755 |
* <p>
|
|
|
756 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
757 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
758 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
759 |
*
|
|
|
760 |
* @param object the base object for the memory access
|
|
|
761 |
* @param offset the signed offset for the memory access
|
|
|
762 |
* @param val the value to be written to memory
|
|
|
763 |
*/
|
|
|
764 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
765 |
public static native void writeShort(Object object, WordBase offset, short val);
|
|
|
766 |
|
|
|
767 |
/**
|
|
|
768 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
769 |
* <p>
|
|
|
770 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
771 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
772 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
773 |
*
|
|
|
774 |
* @param object the base object for the memory access
|
|
|
775 |
* @param offset the signed offset for the memory access
|
|
|
776 |
* @param val the value to be written to memory
|
|
|
777 |
*/
|
|
|
778 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
779 |
public static native void writeInt(Object object, WordBase offset, int val);
|
|
|
780 |
|
|
|
781 |
/**
|
|
|
782 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
783 |
* <p>
|
|
|
784 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
785 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
786 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
787 |
*
|
|
|
788 |
* @param object the base object for the memory access
|
|
|
789 |
* @param offset the signed offset for the memory access
|
|
|
790 |
* @param val the value to be written to memory
|
|
|
791 |
*/
|
|
|
792 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
793 |
public static native void writeLong(Object object, WordBase offset, long val);
|
|
|
794 |
|
|
|
795 |
/**
|
|
|
796 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
797 |
* <p>
|
|
|
798 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
799 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
800 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
801 |
*
|
|
|
802 |
* @param object the base object for the memory access
|
|
|
803 |
* @param offset the signed offset for the memory access
|
|
|
804 |
* @param val the value to be written to memory
|
|
|
805 |
*/
|
|
|
806 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
807 |
public static native void writeFloat(Object object, WordBase offset, float val);
|
|
|
808 |
|
|
|
809 |
/**
|
|
|
810 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
811 |
* <p>
|
|
|
812 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
813 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
814 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
815 |
*
|
|
|
816 |
* @param object the base object for the memory access
|
|
|
817 |
* @param offset the signed offset for the memory access
|
|
|
818 |
* @param val the value to be written to memory
|
|
|
819 |
*/
|
|
|
820 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
821 |
public static native void writeDouble(Object object, WordBase offset, double val);
|
|
|
822 |
|
|
|
823 |
/**
|
|
|
824 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
825 |
* <p>
|
|
|
826 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
827 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
828 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
829 |
*
|
|
|
830 |
* @param object the base object for the memory access
|
|
|
831 |
* @param offset the signed offset for the memory access
|
|
|
832 |
* @param val the value to be written to memory
|
|
|
833 |
*/
|
|
|
834 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
835 |
public static native void writeWord(Object object, WordBase offset, WordBase val);
|
|
|
836 |
|
|
|
837 |
/**
|
|
|
838 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
839 |
* <p>
|
|
|
840 |
* The offset is always treated as a {@link Signed} value. However, the static type is
|
|
|
841 |
* {@link WordBase} to avoid the frequent casts of {@link Unsigned} values (where the caller
|
|
|
842 |
* knows that the highest-order bit of the unsigned value is never used).
|
|
|
843 |
*
|
|
|
844 |
* @param object the base object for the memory access
|
|
|
845 |
* @param offset the signed offset for the memory access
|
|
|
846 |
* @param val the value to be written to memory
|
|
|
847 |
*/
|
|
|
848 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
849 |
public static native void writeObject(Object object, WordBase offset, Object val);
|
|
|
850 |
|
|
|
851 |
/**
|
|
|
852 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
853 |
*
|
|
|
854 |
* @param object the base object for the memory access
|
|
|
855 |
* @param offset the signed offset for the memory access
|
|
|
856 |
* @param val the value to be written to memory
|
|
|
857 |
*/
|
|
|
858 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
859 |
public static native void writeByte(Object object, int offset, byte val);
|
|
|
860 |
|
|
|
861 |
/**
|
|
|
862 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
863 |
*
|
|
|
864 |
* @param object the base object for the memory access
|
|
|
865 |
* @param offset the signed offset for the memory access
|
|
|
866 |
* @param val the value to be written to memory
|
|
|
867 |
*/
|
|
|
868 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
869 |
public static native void writeChar(Object object, int offset, char val);
|
|
|
870 |
|
|
|
871 |
/**
|
|
|
872 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
873 |
*
|
|
|
874 |
* @param object the base object for the memory access
|
|
|
875 |
* @param offset the signed offset for the memory access
|
|
|
876 |
* @param val the value to be written to memory
|
|
|
877 |
*/
|
|
|
878 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
879 |
public static native void writeShort(Object object, int offset, short val);
|
|
|
880 |
|
|
|
881 |
/**
|
|
|
882 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
883 |
*
|
|
|
884 |
* @param object the base object for the memory access
|
|
|
885 |
* @param offset the signed offset for the memory access
|
|
|
886 |
* @param val the value to be written to memory
|
|
|
887 |
*/
|
|
|
888 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
889 |
public static native void writeInt(Object object, int offset, int val);
|
|
|
890 |
|
|
|
891 |
/**
|
|
|
892 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
893 |
*
|
|
|
894 |
* @param object the base object for the memory access
|
|
|
895 |
* @param offset the signed offset for the memory access
|
|
|
896 |
* @param val the value to be written to memory
|
|
|
897 |
*/
|
|
|
898 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
899 |
public static native void writeLong(Object object, int offset, long val);
|
|
|
900 |
|
|
|
901 |
/**
|
|
|
902 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
903 |
*
|
|
|
904 |
* @param object the base object for the memory access
|
|
|
905 |
* @param offset the signed offset for the memory access
|
|
|
906 |
* @param val the value to be written to memory
|
|
|
907 |
*/
|
|
|
908 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
909 |
public static native void writeFloat(Object object, int offset, float val);
|
|
|
910 |
|
|
|
911 |
/**
|
|
|
912 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
913 |
*
|
|
|
914 |
* @param object the base object for the memory access
|
|
|
915 |
* @param offset the signed offset for the memory access
|
|
|
916 |
* @param val the value to be written to memory
|
|
|
917 |
*/
|
|
|
918 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
919 |
public static native void writeDouble(Object object, int offset, double val);
|
|
|
920 |
|
|
|
921 |
/**
|
|
|
922 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
923 |
*
|
|
|
924 |
* @param object the base object for the memory access
|
|
|
925 |
* @param offset the signed offset for the memory access
|
|
|
926 |
* @param val the value to be written to memory
|
|
|
927 |
*/
|
|
|
928 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
929 |
public static native void writeWord(Object object, int offset, WordBase val);
|
|
|
930 |
|
|
|
931 |
/**
|
|
|
932 |
* Writes the memory at address {@code (object + offset)}. The offset is in bytes.
|
|
|
933 |
*
|
|
|
934 |
* @param object the base object for the memory access
|
|
|
935 |
* @param offset the signed offset for the memory access
|
|
|
936 |
* @param val the value to be written to memory
|
|
|
937 |
*/
|
|
|
938 |
@Operation(opcode = Opcode.WRITE_OBJECT)
|
|
|
939 |
public static native void writeObject(Object object, int offset, Object val);
|
|
|
940 |
}
|