annotate src/share/vm/c1x/c1x_TargetMethod.hpp @ 1941:79d04223b8a5

Added caching for resolved types and resolved fields. This is crucial, because the local load elimination will lead to wrong results, if field equality (of two RiField objects with the same object and the same RiType) is not given. The caching makes sure that the default equals implementation is sufficient.
author Thomas Wuerthinger <wuerthinger@ssw.jku.at>
date Tue, 28 Dec 2010 18:33:26 +0100
parents 1aa5b22a7716
children 00bc9eaf0e24
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1 /*
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2 * Copyright 2000-2010 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 void c1x_compute_offsets();
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26
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27 /* This macro defines the structure of the CiTargetMethod - classes.
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28 * It will generate classes with accessors similar to javaClasses.hpp, but with specializations for oops, Handles and jni handles.
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29 *
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30 * The public interface of these classes will look like this:
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31
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32 * class CiStackSlot : AllStatic {
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33 * public:
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34 * static klassOop klass();
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35 * static jint index(oop obj);
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36 * static jint index(Handle obj);
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37 * static jint index(jobject obj);
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38 * static void set_index(oop obj, jint x);
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39 * static void set_index(Handle obj, jint x);
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40 * static void set_index(jobject obj, jint x);
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41 * };
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42 *
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43 */
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44
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45 #define COMPILER_CLASSES_DO(start_class, end_class, char_field, int_field, boolean_field, long_field, oop_field, static_oop_field) \
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46 start_class(HotSpotTypeResolved) \
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47 oop_field(HotSpotTypeResolved, javaMirror, "Ljava/lang/Class;") \
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48 oop_field(HotSpotTypeResolved, name, "Ljava/lang/String;") \
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49 int_field(HotSpotTypeResolved, accessFlags) \
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50 boolean_field(HotSpotTypeResolved, hasFinalizer) \
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51 boolean_field(HotSpotTypeResolved, hasSubclass) \
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52 boolean_field(HotSpotTypeResolved, hasFinalizableSubclass) \
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53 boolean_field(HotSpotTypeResolved, isInitialized) \
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54 boolean_field(HotSpotTypeResolved, isArrayClass) \
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55 boolean_field(HotSpotTypeResolved, isInstanceClass) \
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56 boolean_field(HotSpotTypeResolved, isInterface) \
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57 int_field(HotSpotTypeResolved, instanceSize) \
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58 oop_field(HotSpotTypeResolved, componentType, "Lcom/sun/cri/ri/RiType;") \
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59 end_class \
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60 start_class(HotSpotField) \
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61 oop_field(HotSpotField, constant, "Lcom/sun/cri/ci/CiConstant;") \
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62 end_class \
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63 start_class(HotSpotMethodResolved) \
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64 long_field(HotSpotMethodResolved, vmId) \
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65 end_class \
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66 start_class(HotSpotProxy) \
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67 static_oop_field(HotSpotProxy, DUMMY_CONSTANT_OBJ, "Ljava/lang/Long;") \
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68 end_class \
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69 start_class(HotSpotTargetMethod) \
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70 oop_field(HotSpotTargetMethod, targetMethod, "Lcom/sun/cri/ci/CiTargetMethod;") \
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71 oop_field(HotSpotTargetMethod, method, "Lcom/sun/hotspot/c1x/HotSpotMethodResolved;")\
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72 oop_field(HotSpotTargetMethod, name, "Ljava/lang/String;") \
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73 oop_field(HotSpotTargetMethod, sites, "[Lcom/sun/cri/ci/CiTargetMethod$Site;") \
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74 oop_field(HotSpotTargetMethod, exceptionHandlers, "[Lcom/sun/cri/ci/CiTargetMethod$ExceptionHandler;") \
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75 end_class \
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76 start_class(HotSpotExceptionHandler) \
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77 int_field(HotSpotExceptionHandler, startBci) \
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78 int_field(HotSpotExceptionHandler, endBci) \
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79 int_field(HotSpotExceptionHandler, handlerBci) \
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80 int_field(HotSpotExceptionHandler, catchClassIndex) \
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81 oop_field(HotSpotExceptionHandler, catchClass, "Lcom/sun/cri/ri/RiType;") \
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82 end_class \
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83 start_class(CiTargetMethod) \
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84 int_field(CiTargetMethod, frameSize) \
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85 int_field(CiTargetMethod, customStackAreaOffset) \
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86 oop_field(CiTargetMethod, targetCode, "[B") \
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87 int_field(CiTargetMethod, targetCodeSize) \
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88 end_class \
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89 start_class(CiTargetMethod_Site) \
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90 int_field(CiTargetMethod_Site, pcOffset) \
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91 end_class \
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92 start_class(CiTargetMethod_Call) \
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93 oop_field(CiTargetMethod_Call, runtimeCall, "Lcom/sun/cri/ci/CiRuntimeCall;") \
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94 oop_field(CiTargetMethod_Call, method, "Lcom/sun/cri/ri/RiMethod;") \
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95 oop_field(CiTargetMethod_Call, symbol, "Ljava/lang/String;") \
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96 oop_field(CiTargetMethod_Call, globalStubID, "Ljava/lang/Object;") \
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97 oop_field(CiTargetMethod_Call, debugInfo, "Lcom/sun/cri/ci/CiDebugInfo;") \
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98 end_class \
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99 start_class(CiTargetMethod_DataPatch) \
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100 oop_field(CiTargetMethod_DataPatch, constant, "Lcom/sun/cri/ci/CiConstant;") \
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101 end_class \
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102 start_class(CiTargetMethod_Safepoint) \
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103 oop_field(CiTargetMethod_Safepoint, debugInfo, "Lcom/sun/cri/ci/CiDebugInfo;") \
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104 end_class \
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105 start_class(CiTargetMethod_ExceptionHandler) \
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106 int_field(CiTargetMethod_ExceptionHandler, handlerPos) \
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107 int_field(CiTargetMethod_ExceptionHandler, handlerBci) \
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108 int_field(CiTargetMethod_ExceptionHandler, bci) \
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109 int_field(CiTargetMethod_ExceptionHandler, scopeLevel) \
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110 oop_field(CiTargetMethod_ExceptionHandler, exceptionType, "Lcom/sun/cri/ri/RiType;")\
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111 end_class \
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112 start_class(CiTargetMethod_Mark) \
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113 oop_field(CiTargetMethod_Mark, id, "Ljava/lang/Object;") \
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114 oop_field(CiTargetMethod_Mark, references, "[Lcom/sun/cri/ci/CiTargetMethod$Mark;") \
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115 end_class \
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116 start_class(CiDebugInfo) \
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117 oop_field(CiDebugInfo, codePos, "Lcom/sun/cri/ci/CiCodePos;") \
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118 oop_field(CiDebugInfo, registerRefMap, "Lcom/sun/cri/ci/CiBitMap;") \
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119 oop_field(CiDebugInfo, frameRefMap, "Lcom/sun/cri/ci/CiBitMap;") \
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120 end_class \
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121 start_class(CiBitMap) \
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diff changeset
122 int_field(CiBitMap, size) \
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diff changeset
123 long_field(CiBitMap, low) \
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124 oop_field(CiBitMap, extra, "[J") \
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125 end_class \
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126 start_class(CiDebugInfo_Frame) \
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127 oop_field(CiDebugInfo_Frame, values, "[Lcom/sun/cri/ci/CiValue;") \
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128 int_field(CiDebugInfo_Frame, numLocals) \
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129 int_field(CiDebugInfo_Frame, numStack) \
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130 int_field(CiDebugInfo_Frame, numLocks) \
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131 end_class \
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132 start_class(CiCodePos) \
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133 oop_field(CiCodePos, caller, "Lcom/sun/cri/ci/CiCodePos;") \
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134 oop_field(CiCodePos, method, "Lcom/sun/cri/ri/RiMethod;") \
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135 int_field(CiCodePos, bci) \
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136 end_class \
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137 start_class(CiConstant) \
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138 oop_field(CiConstant, kind, "Lcom/sun/cri/ci/CiKind;") \
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139 oop_field(CiConstant, object, "Ljava/lang/Object;") \
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140 long_field(CiConstant, primitive) \
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141 end_class \
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142 start_class(CiKind) \
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143 char_field(CiKind, typeChar) \
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144 static_oop_field(CiKind, Boolean, "Lcom/sun/cri/ci/CiKind;"); \
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145 static_oop_field(CiKind, Byte, "Lcom/sun/cri/ci/CiKind;"); \
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146 static_oop_field(CiKind, Char, "Lcom/sun/cri/ci/CiKind;"); \
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147 static_oop_field(CiKind, Short, "Lcom/sun/cri/ci/CiKind;"); \
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148 static_oop_field(CiKind, Int, "Lcom/sun/cri/ci/CiKind;"); \
1470
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Thomas Wuerthinger <wuerthinger@ssw.jku.at>
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149 static_oop_field(CiKind, Long, "Lcom/sun/cri/ci/CiKind;"); \
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150 end_class \
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151 start_class(CiRuntimeCall) \
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152 static_oop_field(CiRuntimeCall, UnwindException, "Lcom/sun/cri/ci/CiRuntimeCall;"); \
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153 static_oop_field(CiRuntimeCall, RegisterFinalizer, "Lcom/sun/cri/ci/CiRuntimeCall;"); \
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154 static_oop_field(CiRuntimeCall, HandleException, "Lcom/sun/cri/ci/CiRuntimeCall;"); \
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155 static_oop_field(CiRuntimeCall, OSRMigrationEnd, "Lcom/sun/cri/ci/CiRuntimeCall;"); \
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156 static_oop_field(CiRuntimeCall, JavaTimeMillis, "Lcom/sun/cri/ci/CiRuntimeCall;"); \
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157 static_oop_field(CiRuntimeCall, JavaTimeNanos, "Lcom/sun/cri/ci/CiRuntimeCall;"); \
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158 static_oop_field(CiRuntimeCall, Debug, "Lcom/sun/cri/ci/CiRuntimeCall;"); \
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159 static_oop_field(CiRuntimeCall, ArithmethicLrem, "Lcom/sun/cri/ci/CiRuntimeCall;"); \
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160 static_oop_field(CiRuntimeCall, ArithmeticLdiv, "Lcom/sun/cri/ci/CiRuntimeCall;"); \
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161 static_oop_field(CiRuntimeCall, ArithmeticFrem, "Lcom/sun/cri/ci/CiRuntimeCall;"); \
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162 static_oop_field(CiRuntimeCall, ArithmeticDrem, "Lcom/sun/cri/ci/CiRuntimeCall;"); \
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163 static_oop_field(CiRuntimeCall, ArithmeticCos, "Lcom/sun/cri/ci/CiRuntimeCall;"); \
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164 static_oop_field(CiRuntimeCall, ArithmeticTan, "Lcom/sun/cri/ci/CiRuntimeCall;"); \
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165 static_oop_field(CiRuntimeCall, ArithmeticLog, "Lcom/sun/cri/ci/CiRuntimeCall;"); \
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166 static_oop_field(CiRuntimeCall, ArithmeticLog10, "Lcom/sun/cri/ci/CiRuntimeCall;"); \
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167 static_oop_field(CiRuntimeCall, ArithmeticSin, "Lcom/sun/cri/ci/CiRuntimeCall;"); \
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168 end_class \
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169 start_class(RiMethod) \
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170 end_class \
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171 start_class(CiValue) \
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diff changeset
172 oop_field(CiValue, kind, "Lcom/sun/cri/ci/CiKind;") \
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173 static_oop_field(CiValue, IllegalValue, "Lcom/sun/cri/ci/CiValue;"); \
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174 end_class \
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175 start_class(CiRegisterValue) \
1435
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Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents: 1434
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176 oop_field(CiRegisterValue, reg, "Lcom/sun/cri/ci/CiRegister;") \
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177 end_class \
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diff changeset
178 start_class(CiRegister) \
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diff changeset
179 int_field(CiRegister, number) \
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180 end_class \
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181 start_class(CiStackSlot) \
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diff changeset
182 int_field(CiStackSlot, index) \
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183 end_class \
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diff changeset
184 /* end*/
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185
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diff changeset
186
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diff changeset
187
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diff changeset
188
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diff changeset
189 #define START_CLASS(name) \
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190 class name : AllStatic { \
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191 private: \
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192 friend class C1XCompiler; \
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diff changeset
193 static void check(oop obj) { assert(obj != NULL, "NULL field access"); assert(obj->is_a(SystemDictionary::name##_klass()), "wrong class, " #name " expected"); } \
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diff changeset
194 static void compute_offsets(); \
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diff changeset
195 public: \
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196 static klassOop klass() { return SystemDictionary::name##_klass(); }
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197
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diff changeset
198 #define END_CLASS };
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199
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diff changeset
200 #define FIELD(name, type, accessor) \
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diff changeset
201 static int _##name##_offset; \
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diff changeset
202 static type name(oop obj) { check(obj); return obj->accessor(_##name##_offset); } \
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203 static type name(Handle obj) { check(obj()); return obj->accessor(_##name##_offset); } \
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204 static type name(jobject obj) { check(JNIHandles::resolve(obj)); return JNIHandles::resolve(obj)->accessor(_##name##_offset); } \
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diff changeset
205 static void set_##name(oop obj, type x) { check(obj); obj->accessor##_put(_##name##_offset, x); } \
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diff changeset
206 static void set_##name(Handle obj, type x) { check(obj()); obj->accessor##_put(_##name##_offset, x); } \
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diff changeset
207 static void set_##name(jobject obj, type x) { check(JNIHandles::resolve(obj)); JNIHandles::resolve(obj)->accessor##_put(_##name##_offset, x); }
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diff changeset
208
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diff changeset
209 #define CHAR_FIELD(klass, name) FIELD(name, jchar, char_field)
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210 #define INT_FIELD(klass, name) FIELD(name, jint, int_field)
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211 #define BOOLEAN_FIELD(klass, name) FIELD(name, jboolean, bool_field)
1428
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diff changeset
212 #define LONG_FIELD(klass, name) FIELD(name, jlong, long_field)
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213 #define OOP_FIELD(klass, name, signature) FIELD(name, oop, obj_field)
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diff changeset
214 #define STATIC_OOP_FIELD(klassName, name, signature) \
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diff changeset
215 static int _##name##_offset; \
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diff changeset
216 static oop name() { return klassName::klass()->obj_field(_##name##_offset); } \
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diff changeset
217 static void set_##name(oop x) { klassName::klass()->obj_field_put(_##name##_offset, x); }
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218
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diff changeset
219 COMPILER_CLASSES_DO(START_CLASS, END_CLASS, CHAR_FIELD, INT_FIELD, BOOLEAN_FIELD, LONG_FIELD, OOP_FIELD, STATIC_OOP_FIELD)
1428
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diff changeset
220 #undef START_CLASS
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diff changeset
221 #undef END_CLASS
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parents:
diff changeset
222 #undef FIELD
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parents:
diff changeset
223 #undef CHAR_FIELD
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diff changeset
224 #undef INT_FIELD
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225 #undef BOOLEAN_FIELD
1428
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diff changeset
226 #undef LONG_FIELD
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diff changeset
227 #undef OOP_FIELD
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diff changeset
228 #undef STATIC_OOP_FIELD
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229
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parents:
diff changeset
230