Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.max.cri/src/com/oracle/max/cri/ri/RiRuntime.java @ 5506:56860d3f9f39
More refactorings and renamings in preparation of ci/ri split.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Thu, 07 Jun 2012 18:12:01 +0200 |
parents | 438ab53efdd0 |
children | dc71b06d09f8 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2009, 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.max.cri.ri; |
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24 |
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25 import java.lang.reflect.*; |
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26 |
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27 import com.oracle.max.cri.ci.*; |
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28 |
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29 /** |
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30 * Encapsulates the main functionality of the runtime for the compiler, including access |
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31 * to constant pools, OSR frames, inlining requirements, and runtime calls such as checkcast. |
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32 s */ |
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33 public interface RiRuntime { |
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34 |
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35 /** |
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36 * Get the size in bytes for locking information on the stack. |
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37 */ |
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38 int sizeOfLockData(); |
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39 |
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40 /** |
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41 * Returns a disassembly of the given installed code. |
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42 * |
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43 * @param code the code that should be disassembled |
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44 * @return a disassembly. This will be of length 0 if the runtime does not support disassembling. |
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45 */ |
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46 String disassemble(RiCodeInfo code, CiTargetMethod tm); |
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47 |
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48 /** |
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49 * Returns the disassembly of the given method in a {@code javap}-like format. |
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50 * |
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51 * @param method the method that should be disassembled |
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52 * @return the disassembly. This will be of length 0 if the runtime does not support disassembling. |
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53 */ |
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54 String disassemble(RiResolvedMethod method); |
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55 |
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56 /** |
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57 * Returns the RiType object representing the base type for the given kind. |
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58 */ |
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59 RiResolvedType asRiType(RiKind kind); |
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60 |
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61 /** |
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62 * Returns the type of the given constant object. |
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63 * |
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64 * @return {@code null} if {@code constant.isNull() || !constant.kind.isObject()} |
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65 */ |
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66 RiResolvedType getTypeOf(RiConstant constant); |
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67 |
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68 |
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69 RiResolvedType getType(Class<?> clazz); |
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70 |
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71 /** |
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72 * Used by the canonicalizer to compare objects, since a given runtime might not want to expose the real objects to the compiler. |
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73 * |
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74 * @return true if the two parameters represent the same runtime object, false otherwise |
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75 */ |
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76 boolean areConstantObjectsEqual(RiConstant x, RiConstant y); |
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77 |
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78 /** |
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79 * Gets the register configuration to use when compiling a given method. |
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80 * |
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81 * @param method the top level method of a compilation |
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82 */ |
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83 CiRegisterConfig getRegisterConfig(RiMethod method); |
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84 |
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85 CiRegisterConfig getGlobalStubRegisterConfig(); |
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86 |
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87 /** |
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88 * Custom area on the stack of each compiled method that the VM can use for its own purposes. |
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89 * @return the size of the custom area in bytes |
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90 */ |
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91 int getCustomStackAreaSize(); |
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92 |
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93 /** |
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94 * Minimum size of the stack area reserved for outgoing parameters. This area is reserved in all cases, even when |
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95 * the compiled method has no regular call instructions. |
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96 * @return the minimum size of the outgoing parameter area in bytes |
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97 */ |
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98 int getMinimumOutgoingSize(); |
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99 |
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100 /** |
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101 * Gets the length of the array that is wrapped in a CiConstant object. |
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102 */ |
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103 int getArrayLength(RiConstant array); |
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104 |
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105 /** |
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106 * Performs any runtime-specific conversion on the object used to describe the target of a call. |
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107 */ |
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108 Object asCallTarget(Object target); |
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109 |
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110 /** |
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111 * Returns the maximum absolute offset of a runtime call target from any position in the code cache or -1 |
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112 * when not known or not applicable. Intended for determining the required size of address/offset fields. |
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113 */ |
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114 long getMaxCallTargetOffset(CiRuntimeCall rtcall); |
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115 |
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116 /** |
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117 * Provides the {@link RiMethod} for a {@link Method} obtained via reflection. |
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118 */ |
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119 RiResolvedMethod getRiMethod(Method reflectionMethod); |
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120 |
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121 /** |
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122 * Adds the given machine code as an implementation of the given method without making it the default implementation. |
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123 * @param method a method to which the executable code is begin added |
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124 * @param code the code to be added |
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125 * @param info the object into which details of the installed code will be written. |
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126 * Ignored if null, otherwise the info is written to index 0 of this array. |
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127 * @return a reference to the compiled and ready-to-run code |
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128 */ |
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129 RiCompiledMethod addMethod(RiResolvedMethod method, CiTargetMethod code, RiCodeInfo[] info); |
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130 |
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131 /** |
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132 * Encodes a deoptimization action and a deoptimization reason in an integer value. |
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133 * @return the encoded value as an integer |
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134 */ |
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135 int encodeDeoptActionAndReason(CiDeoptAction action, CiDeoptReason reason); |
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136 |
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137 /** |
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138 * Converts a RiDeoptReason into an integer value. |
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139 * @return An integer value representing the given RiDeoptReason. |
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140 */ |
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141 int convertDeoptReason(CiDeoptReason reason); |
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142 |
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143 /** |
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144 * Converts a RiDeoptAction into an integer value. |
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145 * @return An integer value representing the given RiDeoptAction. |
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146 */ |
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147 int convertDeoptAction(CiDeoptAction action); |
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148 } |