Mercurial > hg > graal-compiler
annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/bridge/CompilerToVM.java @ 8349:8d6ea1915d42
merged CodeInfo into InstalledCode (GRAAL-156)
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 18 Mar 2013 18:26:12 +0100 |
parents | 79f0ff46290b |
children | 8a526d8b4604 6c4db417385a |
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1 /* |
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2 * Copyright (c) 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 |
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24 package com.oracle.graal.hotspot.bridge; |
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25 |
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26 import java.lang.reflect.*; |
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27 |
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28 import com.oracle.graal.api.code.*; |
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29 import com.oracle.graal.api.meta.*; |
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30 import com.oracle.graal.hotspot.*; |
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31 import com.oracle.graal.hotspot.meta.*; |
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32 |
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33 /** |
4410 | 34 * Calls from Java into HotSpot. |
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35 */ |
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36 public interface CompilerToVM { |
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37 |
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38 /** |
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39 * Copies the original bytecode of a given method into a given byte array. |
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40 * |
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41 * @param metaspaceMethod the metaspace Method object |
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42 * @param code the array into which to copy the original bytecode |
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43 * @return the value of {@code code} |
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44 */ |
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45 byte[] initializeBytecode(long metaspaceMethod, byte[] code); |
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46 |
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47 String getSignature(long metaspaceMethod); |
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48 |
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49 ExceptionHandler[] initializeExceptionHandlers(long metaspaceMethod, ExceptionHandler[] handlers); |
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50 |
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51 /** |
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52 * Determines if a given metaspace Method object has balanced monitors. |
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53 * |
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54 * @param metaspaceMethod the metaspace Method object to query |
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55 * @return true if the method has balanced monitors |
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56 */ |
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57 boolean hasBalancedMonitors(long metaspaceMethod); |
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58 |
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59 /** |
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60 * Determines if a given metaspace Method object is compilable. A method may not be compilable |
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61 * for a number of reasons such as: |
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62 * <ul> |
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63 * <li>a CompileOracle directive may prevent compilation of methods</li> |
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64 * <li>the method may have a bytecode breakpoint set</li> |
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65 * <li>the method may have other bytecode features that require special handling by the VM</li> |
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66 * </ul> |
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67 * |
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68 * A non-compilable method should not be inlined. |
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69 * |
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70 * @param metaspaceMethod the metaspace Method object to query |
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71 * @return true if the method is compilable |
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72 */ |
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73 boolean isMethodCompilable(long metaspaceMethod); |
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74 |
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75 /** |
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76 * Used to implement {@link ResolvedJavaType#findUniqueConcreteMethod(ResolvedJavaMethod)}. |
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77 * |
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78 * @param metaspaceMethod the metaspace Method on which to based the search |
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79 * @param resultHolder the holder of the result is put in element 0 of this array |
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80 * @return the metaspace Method result or 0 is there is no unique concrete method for |
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81 * {@code metaspaceMethod} |
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82 */ |
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83 long getUniqueConcreteMethod(long metaspaceMethod, HotSpotResolvedObjectType[] resultHolder); |
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84 |
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85 /** |
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86 * Used to determine if an interface has exactly one implementor. |
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87 * |
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88 * @param interfaceType interface for which the implementor should be returned |
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89 * @return the unique implementor of the interface or null if the interface has 0 or more than 1 |
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90 * implementor |
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91 */ |
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92 ResolvedJavaType getUniqueImplementor(HotSpotResolvedObjectType interfaceType); |
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93 |
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94 /** |
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95 * Gets the invocation count for a method. |
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96 * |
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97 * @param metaspaceMethod the metaspace Method object to query |
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98 * @return the invocation count for the method |
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99 */ |
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100 int getInvocationCount(long metaspaceMethod); |
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101 |
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102 /** |
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103 * Initializes a {@link HotSpotResolvedJavaMethod} object from a metaspace Method object. |
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104 * |
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105 * @param metaspaceMethod the metaspace Method object |
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106 * @param method address of a metaspace Method object |
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107 */ |
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108 void initializeMethod(long metaspaceMethod, HotSpotResolvedJavaMethod method); |
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109 |
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110 /** |
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111 * Initializes a {@link HotSpotMethodData} object from a metaspace MethodData object. |
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112 * |
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113 * @param metaspaceMethodData the metaspace MethodData object |
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114 * @param methodData the object to initialize from the metaspace object |
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115 */ |
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116 void initializeMethodData(long metaspaceMethodData, HotSpotMethodData methodData); |
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117 |
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118 /** |
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119 * Converts a name to a Java type. |
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120 * |
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121 * @param name a well formed Java type in {@linkplain JavaType#getName() internal} format |
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122 * @param accessingClass the context of resolution (may be null) |
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123 * @param eagerResolve force resolution to a {@link ResolvedJavaType}. If true, this method will |
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124 * either return a {@link ResolvedJavaType} or throw an exception |
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125 * @return a Java type for {@code name} which is guaranteed to be of type |
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126 * {@link ResolvedJavaType} if {@code eagerResolve == true} |
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127 * @throws LinkageError if {@code eagerResolve == true} and the resolution failed |
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128 */ |
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129 JavaType lookupType(String name, HotSpotResolvedObjectType accessingClass, boolean eagerResolve); |
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130 |
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131 Object lookupConstantInPool(HotSpotResolvedObjectType pool, int cpi); |
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132 |
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133 JavaMethod lookupMethodInPool(HotSpotResolvedObjectType pool, int cpi, byte opcode); |
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134 |
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135 JavaType lookupTypeInPool(HotSpotResolvedObjectType pool, int cpi); |
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136 |
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137 JavaField lookupFieldInPool(HotSpotResolvedObjectType pool, int cpi, byte opcode); |
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138 |
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139 void lookupReferencedTypeInPool(HotSpotResolvedObjectType pool, int cpi, byte opcode); |
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140 |
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141 // Must be kept in sync with enum in graalEnv.hpp |
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142 public enum CodeInstallResult { |
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143 OK, DEPENDENCIES_FAILED, CACHE_FULL |
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144 } |
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145 |
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146 /** |
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147 * Installs the result of a compilation into the code cache. |
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148 * |
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149 * @param compResult the result of a compilation |
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150 * @param code if not null, then the code is installed as the non-default compiled code for the |
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151 * associated method and the details of the installation are written to this object |
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152 * @return the outcome of the installation as a {@link CodeInstallResult}. |
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153 */ |
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154 CodeInstallResult installCode(HotSpotCompilationResult compResult, HotSpotInstalledCode code, SpeculationLog cache); |
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155 |
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156 void initializeConfiguration(HotSpotVMConfig config); |
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157 |
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158 JavaMethod resolveMethod(HotSpotResolvedObjectType klass, String name, String signature); |
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159 |
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160 boolean isTypeInitialized(HotSpotResolvedObjectType klass); |
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161 |
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162 void initializeType(HotSpotResolvedObjectType klass); |
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163 |
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164 ResolvedJavaType getResolvedType(Class<?> javaClass); |
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165 |
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166 HotSpotResolvedJavaField[] getInstanceFields(HotSpotResolvedObjectType klass); |
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167 |
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168 /** |
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169 * Gets the compiled code size for a method. |
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170 * |
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171 * @param metaspaceMethod the metaspace Method object to query |
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172 * @return the compiled code size the method |
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173 */ |
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174 int getCompiledCodeSize(long metaspaceMethod); |
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175 |
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176 /** |
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177 * Gets the metaspace Method object corresponding to a given reflection {@link Method} object. |
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178 * |
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179 * @param reflectionMethod |
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180 * @param resultHolder the holder of the result is put in element 0 of this array |
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181 * @return the metaspace Method result for {@code reflectionMethod} |
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182 */ |
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183 long getMetaspaceMethod(Method reflectionMethod, HotSpotResolvedObjectType[] resultHolder); |
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184 |
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185 long getMetaspaceConstructor(Constructor reflectionConstructor, HotSpotResolvedObjectType[] resultHolder); |
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186 |
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187 HotSpotResolvedJavaField getJavaField(Field reflectionField); |
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188 |
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189 long getMaxCallTargetOffset(long stub); |
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190 |
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191 String disassembleNMethod(long nmethod); |
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192 |
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193 /** |
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194 * Gets a copy of the machine code for an nmethod. |
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195 * |
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196 * @return the machine code for {@code nmethod} if it is valid, null otherwise |
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197 */ |
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198 byte[] getCode(long nmethod); |
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199 |
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200 StackTraceElement getStackTraceElement(long metaspaceMethod, int bci); |
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201 |
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202 Object executeCompiledMethod(long metaspaceMethod, long nmethod, Object arg1, Object arg2, Object arg3); |
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203 |
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204 Object executeCompiledMethodVarargs(long metaspaceMethod, long nmethod, Object... args); |
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205 |
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206 int getVtableEntryOffset(long metaspaceMethod); |
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207 |
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208 long[] getDeoptedLeafGraphIds(); |
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209 |
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210 long[] getLineNumberTable(HotSpotResolvedJavaMethod method); |
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211 |
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212 Local[] getLocalVariableTable(HotSpotResolvedJavaMethod method); |
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213 |
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214 String getFileName(HotSpotResolvedJavaType method); |
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215 } |