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annotate graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/HotSpotMemoryAccessProviderImpl.java @ 21551:5324104ac4f3

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moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Tue, 26 May 2015 17:13:37 +0200
parents
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21551
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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parents:
diff changeset
1 /*
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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2 * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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4 *
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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5 * This code is free software; you can redistribute it and/or modify it
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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6 * under the terms of the GNU General Public License version 2 only, as
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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7 * published by the Free Software Foundation.
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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8 *
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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12 * version 2 for more details (a copy is included in the LICENSE file that
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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13 * accompanied this code).
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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14 *
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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15 * You should have received a copy of the GNU General Public License version
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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16 * 2 along with this work; if not, write to the Free Software Foundation,
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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18 *
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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20 * or visit www.oracle.com if you need additional information or have any
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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21 * questions.
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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22 */
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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23 package com.oracle.jvmci.hotspot;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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24
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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25 import static com.oracle.jvmci.common.UnsafeAccess.*;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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26
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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27 import com.oracle.graal.api.code.*;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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28 import com.oracle.graal.api.meta.*;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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29 import com.oracle.jvmci.common.*;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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30 import com.oracle.jvmci.hotspot.HotSpotVMConfig.*;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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31
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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32 /**
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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33 * HotSpot implementation of {@link MemoryAccessProvider}.
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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34 */
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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35 public class HotSpotMemoryAccessProviderImpl implements HotSpotMemoryAccessProvider, HotSpotProxified {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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36
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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37 protected final HotSpotJVMCIRuntimeProvider runtime;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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38
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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39 public HotSpotMemoryAccessProviderImpl(HotSpotJVMCIRuntimeProvider runtime) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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40 this.runtime = runtime;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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41 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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42
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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43 private static Object asObject(Constant base) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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44 if (base instanceof HotSpotObjectConstantImpl) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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45 return ((HotSpotObjectConstantImpl) base).object();
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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46 } else {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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47 return null;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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48 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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49 }
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50
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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51 private boolean isValidObjectFieldDisplacement(Constant base, long displacement) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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52 if (base instanceof HotSpotMetaspaceConstant) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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53 Object metaspaceObject = HotSpotMetaspaceConstantImpl.getMetaspaceObject(base);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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54 if (metaspaceObject instanceof HotSpotResolvedObjectTypeImpl) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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55 if (displacement == runtime.getConfig().classMirrorOffset) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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56 // Klass::_java_mirror is valid for all Klass* values
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57 return true;
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58 } else if (displacement == runtime.getConfig().arrayKlassComponentMirrorOffset) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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59 // ArrayKlass::_component_mirror is only valid for all ArrayKlass* values
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60 return ((HotSpotResolvedObjectTypeImpl) metaspaceObject).mirror().isArray();
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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61 }
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62 } else {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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63 throw new JVMCIError("%s", metaspaceObject);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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64 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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65 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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66 return false;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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67 }
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68
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69 private static long asRawPointer(Constant base) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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70 if (base instanceof HotSpotMetaspaceConstant) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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71 return ((HotSpotMetaspaceConstant) base).rawValue();
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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72 } else if (base instanceof PrimitiveConstant) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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73 PrimitiveConstant prim = (PrimitiveConstant) base;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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74 if (prim.getKind().isNumericInteger()) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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75 return prim.asLong();
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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76 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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77 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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78 throw new JVMCIError("%s", base);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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79 }
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80
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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81 private static long readRawValue(Constant baseConstant, long displacement, int bits) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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82 Object base = asObject(baseConstant);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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83 if (base != null) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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84 switch (bits) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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85 case 8:
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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86 return unsafe.getByte(base, displacement);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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87 case 16:
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88 return unsafe.getShort(base, displacement);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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89 case 32:
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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90 return unsafe.getInt(base, displacement);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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91 case 64:
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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92 return unsafe.getLong(base, displacement);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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93 default:
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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94 throw new JVMCIError("%d", bits);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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95 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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96 } else {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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97 long pointer = asRawPointer(baseConstant);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
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diff changeset
98 switch (bits) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
99 case 8:
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
100 return unsafe.getByte(pointer + displacement);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
101 case 16:
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
102 return unsafe.getShort(pointer + displacement);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
103 case 32:
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
104 return unsafe.getInt(pointer + displacement);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
105 case 64:
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
106 return unsafe.getLong(pointer + displacement);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
107 default:
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
108 throw new JVMCIError("%d", bits);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
109 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
110 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
111 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
112
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
113 private boolean verifyReadRawObject(Object expected, Constant base, long displacement, boolean compressed) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
114 if (compressed == runtime.getConfig().useCompressedOops) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
115 Object obj = asObject(base);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
116 if (obj != null) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
117 assert expected == unsafe.getObject(obj, displacement) : "readUnsafeOop doesn't agree with unsafe.getObject";
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
118 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
119 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
120 if (base instanceof HotSpotMetaspaceConstant) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
121 Object metaspaceObject = HotSpotMetaspaceConstantImpl.getMetaspaceObject(base);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
122 if (metaspaceObject instanceof HotSpotResolvedObjectTypeImpl) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
123 if (displacement == runtime.getConfig().classMirrorOffset) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
124 assert expected == ((HotSpotResolvedObjectTypeImpl) metaspaceObject).mirror();
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
125 } else if (displacement == runtime.getConfig().arrayKlassComponentMirrorOffset) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
126 assert expected == ((HotSpotResolvedObjectTypeImpl) metaspaceObject).mirror().getComponentType();
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
127 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
128 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
129 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
130 return true;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
131 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
132
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
133 private Object readRawObject(Constant baseConstant, long initialDisplacement, boolean compressed) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
134 long displacement = initialDisplacement;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
135
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
136 Object ret;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
137 Object base = asObject(baseConstant);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
138 if (base == null) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
139 assert !compressed;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
140 displacement += asRawPointer(baseConstant);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
141 ret = runtime.getCompilerToVM().readUncompressedOop(displacement);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
142 } else {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
143 assert runtime.getConfig().useCompressedOops == compressed;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
144 ret = unsafe.getObject(base, displacement);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
145 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
146 assert verifyReadRawObject(ret, baseConstant, initialDisplacement, compressed);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
147 return ret;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
148 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
149
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
150 @Override
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
151 public JavaConstant readUnsafeConstant(Kind kind, JavaConstant baseConstant, long displacement) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
152 if (kind == Kind.Object) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
153 Object o = readRawObject(baseConstant, displacement, runtime.getConfig().useCompressedOops);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
154 return HotSpotObjectConstantImpl.forObject(o);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
155 } else {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
156 return readPrimitiveConstant(kind, baseConstant, displacement, kind.getByteCount() * 8);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
157 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
158 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
159
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
160 @Override
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
161 public JavaConstant readPrimitiveConstant(Kind kind, Constant baseConstant, long initialDisplacement, int bits) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
162 try {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
163 long rawValue = readRawValue(baseConstant, initialDisplacement, bits);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
164 switch (kind) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
165 case Boolean:
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
166 return JavaConstant.forBoolean(rawValue != 0);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
167 case Byte:
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
168 return JavaConstant.forByte((byte) rawValue);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
169 case Char:
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
170 return JavaConstant.forChar((char) rawValue);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
171 case Short:
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
172 return JavaConstant.forShort((short) rawValue);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
173 case Int:
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
174 return JavaConstant.forInt((int) rawValue);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
175 case Long:
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
176 return JavaConstant.forLong(rawValue);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
177 case Float:
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
178 return JavaConstant.forFloat(Float.intBitsToFloat((int) rawValue));
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
179 case Double:
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
180 return JavaConstant.forDouble(Double.longBitsToDouble(rawValue));
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
181 default:
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
182 throw new JVMCIError("Unsupported kind: %s", kind);
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
183 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
184 } catch (NullPointerException e) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
185 return null;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
186 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
187 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
188
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
189 @Override
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
190 public JavaConstant readObjectConstant(Constant base, long displacement) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
191 if (!isValidObjectFieldDisplacement(base, displacement)) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
192 return null;
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
193 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
194 return HotSpotObjectConstantImpl.forObject(readRawObject(base, displacement, false));
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
195 }
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
196
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
197 @Override
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
198 public JavaConstant readNarrowOopConstant(Constant base, long displacement, CompressEncoding encoding) {
5324104ac4f3 moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
199 assert encoding.equals(runtime.getConfig().getOopEncoding()) : "unexpected oop encoding: " + encoding + " != " + runtime.getConfig().getOopEncoding();
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200 return HotSpotObjectConstantImpl.forObject(readRawObject(base, displacement, true), true);
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201 }
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202
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203 @Override
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204 public Constant readKlassPointerConstant(Constant base, long displacement) {
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205 TargetDescription target = runtime.getHostJVMCIBackend().getCodeCache().getTarget();
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206 long klass = readRawValue(base, displacement, target.wordSize * 8);
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207 if (klass == 0) {
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208 return JavaConstant.NULL_POINTER;
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209 }
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210 HotSpotResolvedObjectType metaKlass = HotSpotResolvedObjectTypeImpl.fromMetaspaceKlass(klass);
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211 return HotSpotMetaspaceConstantImpl.forMetaspaceObject(target.wordKind, klass, metaKlass, false);
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212 }
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213
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214 @Override
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215 public Constant readNarrowKlassPointerConstant(Constant base, long displacement, CompressEncoding encoding) {
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216 int compressed = (int) readRawValue(base, displacement, 32);
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217 long klass = encoding.uncompress(compressed);
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218 if (klass == 0) {
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219 return HotSpotCompressedNullConstant.COMPRESSED_NULL;
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220 }
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221 HotSpotResolvedObjectType metaKlass = HotSpotResolvedObjectTypeImpl.fromMetaspaceKlass(klass);
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222 return HotSpotMetaspaceConstantImpl.forMetaspaceObject(Kind.Int, compressed, metaKlass, true);
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223 }
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224
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225 @Override
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226 public Constant readMethodPointerConstant(Constant base, long displacement) {
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227 TargetDescription target = runtime.getHostJVMCIBackend().getCodeCache().getTarget();
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228 long method = readRawValue(base, displacement, target.wordSize * 8);
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229 HotSpotResolvedJavaMethod metaMethod = HotSpotResolvedJavaMethodImpl.fromMetaspace(method);
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230 return HotSpotMetaspaceConstantImpl.forMetaspaceObject(target.wordKind, method, metaMethod, false);
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231 }
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232 }