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annotate graal/com.oracle.max.cri/src/com/oracle/max/cri/ri/RiConstantPool.java @ 4527:a0cca63cd366

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fixed exceptionSeen profiling information
author Christian Haeubl <christian.haeubl@oracle.com>
date Tue, 07 Feb 2012 12:09:11 -0800
parents aaac4894175c
children
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1 /*
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2 * Copyright (c) 2009, 2011, 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.max.cri.ri;
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25 /**
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26 * Represents the runtime representation of the constant pool that is
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27 * used by the compiler when parsing bytecode. The {@code lookupXXX} methods look up a constant
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28 * pool entry without performing resolution, and are used during compilation.
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29 */
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30 public interface RiConstantPool {
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31
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32 /**
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33 * Makes sure that the type referenced by the specified constant pool entry is loaded and
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34 * initialized. This can be used to compile time resolve a type. It works for field, method,
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35 * or type constant pool entries.
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36 * @param cpi the index of the constant pool entry that references the type
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37 * @param opcode the opcode of the instruction that references the type
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38 */
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39 void loadReferencedType(int cpi, int opcode);
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40
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41 /**
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42 * Looks up a reference to a field. If {@code opcode} is non-negative, then resolution checks
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43 * specific to the JVM instruction it denotes are performed if the field is already resolved.
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44 * Should any of these checks fail, an {@linkplain RiField#isResolved() unresolved}
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45 * field reference is returned.
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46 *
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47 * @param cpi the constant pool index
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48 * @param opcode the opcode of the instruction for which the lookup is being performed or {@code -1}
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49 * @return a reference to the field at {@code cpi} in this pool
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50 * @throws ClassFormatError if the entry at {@code cpi} is not a field
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51 */
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52 RiField lookupField(int cpi, int opcode);
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53
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54 /**
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55 * Looks up a reference to a method. If {@code opcode} is non-negative, then resolution checks
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56 * specific to the JVM instruction it denotes are performed if the method is already resolved.
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57 * Should any of these checks fail, an {@linkplain RiMethod#isResolved() unresolved}
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58 * method reference is returned.
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59 *
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60 * @param cpi the constant pool index
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61 * @param opcode the opcode of the instruction for which the lookup is being performed or {@code -1}
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62 * @return a reference to the method at {@code cpi} in this pool
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63 * @throws ClassFormatError if the entry at {@code cpi} is not a method
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64 */
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65 RiMethod lookupMethod(int cpi, int opcode);
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66
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67 /**
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68 * Looks up a reference to a type. If {@code opcode} is non-negative, then resolution checks
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69 * specific to the JVM instruction it denotes are performed if the type is already resolved.
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70 * Should any of these checks fail, an {@linkplain RiType#isResolved() unresolved}
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71 * type reference is returned.
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72 *
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73 * @param cpi the constant pool index
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74 * @param opcode the opcode of the instruction for which the lookup is being performed or {@code -1}
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75 * @return a reference to the compiler interface type
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76 */
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77 RiType lookupType(int cpi, int opcode);
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78
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79 /**
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80 * Looks up a method signature.
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81 *
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82 * @param cpi the constant pool index
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83 * @return the method signature at index {@code cpi} in this constant pool
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84 */
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85 RiSignature lookupSignature(int cpi);
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86
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87 /**
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88 * Looks up a constant at the specified index.
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89 * @param cpi the constant pool index
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90 * @return the {@code CiConstant} instance representing the constant
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91 */
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92 Object lookupConstant(int cpi);
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93 }