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annotate graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotCardTableAddressOp.java @ 21720:d915361cc3a1

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moved asm, bytecode and asm.test code back to com.oracle.graal name space (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Thu, 04 Jun 2015 13:35:47 +0200
parents 6df25b1418be
children 0e095e2c24e2
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1 /*
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2 * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.hotspot.amd64;
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24
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25 import com.oracle.jvmci.code.ValueUtil;
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26 import com.oracle.jvmci.meta.JavaConstant;
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27 import com.oracle.jvmci.meta.AllocatableValue;
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28 import com.oracle.jvmci.meta.Kind;
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29 import com.oracle.graal.asm.amd64.*;
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30 import com.oracle.graal.hotspot.*;
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31 import com.oracle.graal.lir.*;
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32 import com.oracle.graal.lir.amd64.*;
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33 import com.oracle.graal.lir.asm.*;
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34 import com.oracle.jvmci.hotspot.*;
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35
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36 public final class AMD64HotSpotCardTableAddressOp extends AMD64LIRInstruction {
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37 public static final LIRInstructionClass<AMD64HotSpotCardTableAddressOp> TYPE = LIRInstructionClass.create(AMD64HotSpotCardTableAddressOp.class);
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38
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39 @Def({OperandFlag.REG}) private AllocatableValue result;
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40
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41 private final HotSpotVMConfig config;
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42
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43 public AMD64HotSpotCardTableAddressOp(AllocatableValue result, HotSpotVMConfig config) {
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44 super(TYPE);
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45 this.result = result;
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46 this.config = config;
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47 }
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48
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49 @Override
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50 public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler asm) {
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51 Kind hostWordKind = HotSpotGraalRuntime.getHostWordKind();
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52 int alignment = hostWordKind.getBitCount() / Byte.SIZE;
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53 JavaConstant address = JavaConstant.forIntegerKind(hostWordKind, 0);
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54 // recordDataReferenceInCode forces the mov to be rip-relative
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55 asm.movq(ValueUtil.asRegister(result), (AMD64Address) crb.recordDataReferenceInCode(address, alignment));
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56 crb.recordMark(config.MARKID_CARD_TABLE_ADDRESS);
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57 }
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58
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59 }