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annotate graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotForeignCallsProvider.java @ 15104:ed29f7ff71eb

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add DeoptimizationStub
author twisti
date Mon, 14 Apr 2014 17:21:49 -1000
parents 8b23db5f4164
children 96bb07a5d667
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2013, 2014, 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 static com.oracle.graal.amd64.AMD64.*;
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26 import static com.oracle.graal.api.code.CallingConvention.Type.*;
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27 import static com.oracle.graal.api.meta.LocationIdentity.*;
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28 import static com.oracle.graal.api.meta.Value.*;
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29 import static com.oracle.graal.hotspot.HotSpotBackend.*;
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30 import static com.oracle.graal.hotspot.HotSpotForeignCallLinkage.*;
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31 import static com.oracle.graal.hotspot.HotSpotForeignCallLinkage.RegisterEffect.*;
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32 import static com.oracle.graal.hotspot.HotSpotForeignCallLinkage.Transition.*;
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33 import static com.oracle.graal.hotspot.replacements.AESCryptSubstitutions.*;
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34 import static com.oracle.graal.hotspot.replacements.CRC32Substitutions.*;
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35 import static com.oracle.graal.hotspot.replacements.CipherBlockChainingSubstitutions.*;
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36
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37 import com.oracle.graal.api.code.*;
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38 import com.oracle.graal.api.meta.*;
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39 import com.oracle.graal.graph.*;
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40 import com.oracle.graal.hotspot.*;
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41 import com.oracle.graal.hotspot.meta.*;
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42
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43 public class AMD64HotSpotForeignCallsProvider extends HotSpotHostForeignCallsProvider {
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44
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45 private final Value[] nativeABICallerSaveRegisters;
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46
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47 public AMD64HotSpotForeignCallsProvider(HotSpotGraalRuntime runtime, MetaAccessProvider metaAccess, CodeCacheProvider codeCache, Value[] nativeABICallerSaveRegisters) {
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48 super(runtime, metaAccess, codeCache);
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49 this.nativeABICallerSaveRegisters = nativeABICallerSaveRegisters;
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50 }
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51
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52 @Override
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53 public void initialize(HotSpotProviders providers, HotSpotVMConfig config) {
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54 TargetDescription target = providers.getCodeCache().getTarget();
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55 Kind word = target.wordKind;
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56
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57 // The calling convention for the exception handler stub is (only?) defined in
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58 // TemplateInterpreterGenerator::generate_throw_exception()
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59 // in templateInterpreter_x86_64.cpp around line 1923
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60 RegisterValue exception = rax.asValue(Kind.Object);
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61 RegisterValue exceptionPc = rdx.asValue(word);
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62 CallingConvention exceptionCc = new CallingConvention(0, ILLEGAL, exception, exceptionPc);
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63 register(new HotSpotForeignCallLinkage(EXCEPTION_HANDLER, 0L, PRESERVES_REGISTERS, LEAF_NOFP, null, exceptionCc, NOT_REEXECUTABLE, ANY_LOCATION));
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64 register(new HotSpotForeignCallLinkage(EXCEPTION_HANDLER_IN_CALLER, JUMP_ADDRESS, PRESERVES_REGISTERS, LEAF_NOFP, exceptionCc, null, NOT_REEXECUTABLE, ANY_LOCATION));
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65
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66 link(new AMD64DeoptimizationStub(providers, target, registerStubCall(UNCOMMON_TRAP_HANDLER, REEXECUTABLE, LEAF, NO_LOCATIONS)));
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67
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68 // When the java.ext.dirs property is modified then the crypto classes might not be found.
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69 // If that's the case we ignore the ClassNotFoundException and continue since we cannot
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70 // replace a non-existing method anyway.
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71 try {
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72 // These stubs do callee saving
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73 registerForeignCall(ENCRYPT_BLOCK, config.aescryptEncryptBlockStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, NOT_REEXECUTABLE, NamedLocationIdentity.getArrayLocation(Kind.Byte));
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74 registerForeignCall(DECRYPT_BLOCK, config.aescryptDecryptBlockStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, NOT_REEXECUTABLE, NamedLocationIdentity.getArrayLocation(Kind.Byte));
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75 } catch (GraalInternalError e) {
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76 if (!(e.getCause() instanceof ClassNotFoundException)) {
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77 throw e;
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78 }
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79 }
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80 try {
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81 // These stubs do callee saving
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82 registerForeignCall(ENCRYPT, config.cipherBlockChainingEncryptAESCryptStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, NOT_REEXECUTABLE, NamedLocationIdentity.getArrayLocation(Kind.Byte));
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83 registerForeignCall(DECRYPT, config.cipherBlockChainingDecryptAESCryptStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, NOT_REEXECUTABLE, NamedLocationIdentity.getArrayLocation(Kind.Byte));
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84 } catch (GraalInternalError e) {
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85 if (!(e.getCause() instanceof ClassNotFoundException)) {
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86 throw e;
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87 }
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88 }
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89
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90 // These stubs do callee saving
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91 registerForeignCall(UPDATE_BYTES_CRC32, config.updateBytesCRC32Stub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, NOT_REEXECUTABLE, ANY_LOCATION);
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92
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93 super.initialize(providers, config);
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94 }
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95
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96 @Override
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97 public Value[] getNativeABICallerSaveRegisters() {
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98 return nativeABICallerSaveRegisters;
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99 }
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100
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101 }