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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotBackend.java @ 6495:75f130f2b30f

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moved AMD64 specific HotSpot code in com.oracle.graal.hotspot.amd64 project
author Doug Simon <doug.simon@oracle.com>
date Wed, 03 Oct 2012 01:18:03 +0200
parents graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/target/HotSpotBackend.java@df02fa2bce58
children 2a0c9f20baa1
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1 /*
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2 * Copyright (c) 2012, 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;
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24
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25 import java.util.*;
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26
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27 import com.oracle.graal.api.code.*;
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28 import com.oracle.graal.api.meta.*;
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29 import com.oracle.graal.compiler.target.*;
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30 import com.oracle.graal.hotspot.meta.*;
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31
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32 /**
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33 * HotSpot specific backend.
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34 */
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35 public abstract class HotSpotBackend extends Backend {
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36
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37 public static final String VM_ERROR_STUB_NAME = "vm_error";
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38 public static final String VERIFY_OOP_STUB_NAME = "verify_oop";
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39 public static final String NEW_MULTI_ARRAY_STUB_NAME = "new_multi_array";
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40 public static final String NEW_INSTANCE_STUB_NAME = "new_instance";
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41 public static final String NEW_TYPE_ARRAY_STUB_NAME = "new_type_array";
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42 public static final String NEW_OBJECT_ARRAY_STUB_NAME = "new_object_array";
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43 public static final String MONITOREXIT_STUB_NAME = "monitorexit";
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44 public static final String MONITORENTER_STUB_NAME = "monitorenter";
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45
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46 private final Map<String, HotSpotStub> stubsMap = new HashMap<>();
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47
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48 public HotSpotBackend(HotSpotRuntime runtime, TargetDescription target) {
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49 super(runtime, target);
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50 }
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51
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52 @Override
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53 public HotSpotRuntime runtime() {
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54 return (HotSpotRuntime) super.runtime();
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55 }
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56
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57 /**
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58 * Gets the linkage information for a global stub.
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59 */
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60 public HotSpotStub getStub(String name) {
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61 HotSpotStub stub = stubsMap.get(name);
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62 assert stub != null : "no stub named " + name;
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63 return stub;
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64 }
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65
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66 /**
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67 * Registers the details for linking a global stub.
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68 *
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69 * @param name name of the stub
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70 * @param address address of the stub
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71 * @param tempRegs temporary registers used (and killed) by the stub (null if none)
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72 * @param ret where the stub returns its result
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73 * @param args where arguments are passed to the stub
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74 */
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75 protected void addStub(String name, long address, Register[] tempRegs, Value ret, Value... args) {
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76 Value[] temps = tempRegs == null || tempRegs.length == 0 ? Value.NONE : new Value[tempRegs.length];
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77 for (int i = 0; i < temps.length; i++) {
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78 temps[i] = tempRegs[i].asValue();
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79 }
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80 HotSpotStub stub = new HotSpotStub(name, address, new CallingConvention(temps, 0, ret, args));
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81 stubsMap.put(name, stub);
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82 }
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83 }