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annotate graal/com.oracle.graal.lir/src/com/oracle/graal/lir/asm/TargetMethodAssembler.java @ 6996:eec373d34caf

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added support for annotated Constants and used it to track Klass* values in Graal and register them in the metadata section of a nmethod during code installation
author Doug Simon <doug.simon@oracle.com>
date Tue, 20 Nov 2012 22:49:27 +0100
parents f5715c5a106a
children 5e3d1a68664e
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1 /*
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2 * Copyright (c) 2011, 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.lir.asm;
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24
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25 import static com.oracle.graal.api.code.ValueUtil.*;
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27 import java.util.*;
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28
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29 import com.oracle.graal.api.code.*;
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30 import com.oracle.graal.api.meta.*;
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31 import com.oracle.graal.asm.*;
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32 import com.oracle.graal.debug.*;
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33 import com.oracle.graal.graph.*;
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34 import com.oracle.graal.lir.*;
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35 import com.oracle.graal.lir.LIR.Code;
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36
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37 public class TargetMethodAssembler {
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38
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39 private static class ExceptionInfo {
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40 public final int codeOffset;
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41 public final LabelRef exceptionEdge;
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42
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43 public ExceptionInfo(int pcOffset, LabelRef exceptionEdge) {
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44 this.codeOffset = pcOffset;
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45 this.exceptionEdge = exceptionEdge;
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46 }
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47 }
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48
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49 public final AbstractAssembler asm;
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50 public final CompilationResult targetMethod;
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51 public final TargetDescription target;
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52 public final CodeCacheProvider runtime;
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53 public final FrameMap frameMap;
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54
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55 /**
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56 * Out-of-line stubs to be emitted.
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57 */
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58 public final List<Code> stubs;
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60 /**
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61 * The object that emits code for managing a method's frame.
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62 * If null, no frame is used by the method.
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63 */
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64 public final FrameContext frameContext;
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65
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66 private List<ExceptionInfo> exceptionInfoList;
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67 private int lastSafepointPos;
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68
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69 public TargetMethodAssembler(TargetDescription target, CodeCacheProvider runtime, FrameMap frameMap, AbstractAssembler asm, FrameContext frameContext, List<Code> stubs) {
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70 this.target = target;
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71 this.runtime = runtime;
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72 this.frameMap = frameMap;
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73 this.stubs = stubs;
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74 this.asm = asm;
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75 this.targetMethod = new CompilationResult();
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76 this.frameContext = frameContext;
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77 // 0 is a valid pc for safepoints in template methods
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78 this.lastSafepointPos = -1;
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79 }
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80
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81 public void setFrameSize(int frameSize) {
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82 targetMethod.setFrameSize(frameSize);
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83 }
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84
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85 private static final CompilationResult.Mark[] NO_REFS = {};
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86
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87 public CompilationResult.Mark recordMark(Object id) {
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88 return targetMethod.recordMark(asm.codeBuffer.position(), id, NO_REFS);
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89 }
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90
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91 public CompilationResult.Mark recordMark(Object id, CompilationResult.Mark... references) {
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92 return targetMethod.recordMark(asm.codeBuffer.position(), id, references);
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93 }
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94
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95 public void blockComment(String s) {
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96 targetMethod.addAnnotation(new CompilationResult.CodeComment(asm.codeBuffer.position(), s));
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97 }
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98
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99 public CompilationResult finishTargetMethod(Object name, boolean isStub) {
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100 // Install code, data and frame size
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101 targetMethod.setTargetCode(asm.codeBuffer.close(false), asm.codeBuffer.position());
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102
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103 // Record exception handlers if they exist
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104 if (exceptionInfoList != null) {
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105 for (ExceptionInfo ei : exceptionInfoList) {
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106 int codeOffset = ei.codeOffset;
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107 targetMethod.recordExceptionHandler(codeOffset, ei.exceptionEdge.label().position());
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108 }
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109 }
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110
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111 // Set the info on callee-saved registers
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112 targetMethod.setCalleeSaveLayout(frameMap.registerConfig.getCalleeSaveLayout());
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113
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114 Debug.metric("TargetMethods").increment();
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115 Debug.metric("CodeBytesEmitted").add(targetMethod.getTargetCodeSize());
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116 Debug.metric("SafepointsEmitted").add(targetMethod.getSafepoints().size());
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117 Debug.metric("DataPatches").add(targetMethod.getDataReferences().size());
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118 Debug.metric("ExceptionHandlersEmitted").add(targetMethod.getExceptionHandlers().size());
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119 Debug.log("Finished target method %s, isStub %b", name, isStub);
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120 return targetMethod;
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121 }
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122
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123 public void recordExceptionHandlers(int pcOffset, LIRFrameState info) {
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124 if (info != null) {
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125 if (info.exceptionEdge != null) {
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diff changeset
126 if (exceptionInfoList == null) {
4142
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diff changeset
127 exceptionInfoList = new ArrayList<>(4);
3733
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diff changeset
128 }
4524
dcc8f5c6f394 Refactorings to prepare for LIR project splitting
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diff changeset
129 exceptionInfoList.add(new ExceptionInfo(pcOffset, info.exceptionEdge));
3733
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130 }
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parents:
diff changeset
131 }
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diff changeset
132 }
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diff changeset
133
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diff changeset
134 public void recordImplicitException(int pcOffset, LIRFrameState info) {
3733
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parents:
diff changeset
135 // record an implicit exception point
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parents:
diff changeset
136 if (info != null) {
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parents:
diff changeset
137 assert lastSafepointPos < pcOffset : lastSafepointPos + "<" + pcOffset;
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diff changeset
138 lastSafepointPos = pcOffset;
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diff changeset
139 targetMethod.recordSafepoint(pcOffset, info.debugInfo());
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parents:
diff changeset
140 assert info.exceptionEdge == null;
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diff changeset
141 }
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142 }
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diff changeset
143
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diff changeset
144 public void recordDirectCall(int posBefore, int posAfter, Object callTarget, LIRFrameState info) {
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diff changeset
145 DebugInfo debugInfo = info != null ? info.debugInfo() : null;
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diff changeset
146 assert lastSafepointPos < posAfter;
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147 lastSafepointPos = posAfter;
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diff changeset
148 targetMethod.recordCall(posBefore, posAfter - posBefore, callTarget, debugInfo, true);
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149 }
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150
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diff changeset
151 public void recordIndirectCall(int posBefore, int posAfter, Object callTarget, LIRFrameState info) {
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152 DebugInfo debugInfo = info != null ? info.debugInfo() : null;
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153 assert lastSafepointPos < posAfter;
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154 lastSafepointPos = posAfter;
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diff changeset
155 targetMethod.recordCall(posBefore, posAfter - posBefore, callTarget, debugInfo, false);
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156 }
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157
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158 public void recordSafepoint(int pos, LIRFrameState info) {
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159 // safepoints always need debug info
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diff changeset
160 DebugInfo debugInfo = info.debugInfo();
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diff changeset
161 assert lastSafepointPos < pos;
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diff changeset
162 lastSafepointPos = pos;
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parents:
diff changeset
163 targetMethod.recordSafepoint(pos, debugInfo);
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164 }
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165
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diff changeset
166 public Address recordDataReferenceInCode(Constant data, int alignment, boolean inlined) {
3733
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diff changeset
167 assert data != null;
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diff changeset
168 int pos = asm.codeBuffer.position();
4405
aa867c7c1d1e Remove TraceRelocation flag.
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parents: 4365
diff changeset
169 Debug.log("Data reference in code: pos = %d, data = %s", pos, data.toString());
6996
eec373d34caf added support for annotated Constants and used it to track Klass* values in Graal and register them in the metadata section of a nmethod during code installation
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diff changeset
170 targetMethod.recordDataReference(pos, data, alignment, inlined);
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diff changeset
171 return Address.Placeholder;
3733
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diff changeset
172 }
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173
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parents:
diff changeset
174 public int lastSafepointPos() {
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175 return lastSafepointPos;
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176 }
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177
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178 /**
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diff changeset
179 * Returns the integer value of any constant that can be represented by a 32-bit integer value,
3733
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180 * including long constants that fit into the 32-bit range.
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181 */
5539
bc647d8b0080 Renaming RiValue => Value.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5538
diff changeset
182 public int asIntConst(Value value) {
6539
2463eb24b644 Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6531
diff changeset
183 assert (value.getKind().getStackKind() == Kind.Int || value.getKind() == Kind.Jsr || value.getKind() == Kind.Long) && isConstant(value);
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diff changeset
184 Constant constant = (Constant) value;
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diff changeset
185 assert !runtime.needsDataPatch(constant) : constant + " should be in a DataPatch";
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diff changeset
186 long c = constant.asLong();
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diff changeset
187 if (!NumUtil.isInt(c)) {
4524
dcc8f5c6f394 Refactorings to prepare for LIR project splitting
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diff changeset
188 throw GraalInternalError.shouldNotReachHere();
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189 }
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190 return (int) c;
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191 }
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192
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193 /**
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194 * Returns the address of a float constant that is embedded as a data references into the code.
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195 */
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diff changeset
196 public Address asFloatConstRef(Value value) {
3733
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197 return asFloatConstRef(value, 4);
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198 }
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diff changeset
199
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diff changeset
200 public Address asFloatConstRef(Value value, int alignment) {
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diff changeset
201 assert value.getKind() == Kind.Float && isConstant(value);
6996
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diff changeset
202 return recordDataReferenceInCode((Constant) value, alignment, false);
3733
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diff changeset
203 }
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diff changeset
204
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parents:
diff changeset
205 /**
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diff changeset
206 * Returns the address of a double constant that is embedded as a data references into the code.
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parents:
diff changeset
207 */
5547
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diff changeset
208 public Address asDoubleConstRef(Value value) {
3733
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parents:
diff changeset
209 return asDoubleConstRef(value, 8);
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parents:
diff changeset
210 }
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parents:
diff changeset
211
5547
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diff changeset
212 public Address asDoubleConstRef(Value value, int alignment) {
6329
92bc58dc5b5e More clean up and documentation in api.code and api.meta.
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parents: 5798
diff changeset
213 assert value.getKind() == Kind.Double && isConstant(value);
6996
eec373d34caf added support for annotated Constants and used it to track Klass* values in Graal and register them in the metadata section of a nmethod during code installation
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diff changeset
214 return recordDataReferenceInCode((Constant) value, alignment, false);
3733
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parents:
diff changeset
215 }
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parents:
diff changeset
216
4277
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
217 /**
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
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diff changeset
218 * Returns the address of a long constant that is embedded as a data references into the code.
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
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parents: 4265
diff changeset
219 */
5547
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diff changeset
220 public Address asLongConstRef(Value value) {
6329
92bc58dc5b5e More clean up and documentation in api.code and api.meta.
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parents: 5798
diff changeset
221 assert value.getKind() == Kind.Long && isConstant(value);
6996
eec373d34caf added support for annotated Constants and used it to track Klass* values in Graal and register them in the metadata section of a nmethod during code installation
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diff changeset
222 return recordDataReferenceInCode((Constant) value, 8, false);
4277
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
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diff changeset
223 }
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
224
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diff changeset
225 public Address asIntAddr(Value value) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
226 assert value.getKind() == Kind.Int;
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
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diff changeset
227 return asAddress(value);
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diff changeset
228 }
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diff changeset
229
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diff changeset
230 public Address asLongAddr(Value value) {
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diff changeset
231 assert value.getKind() == Kind.Long;
4323
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diff changeset
232 return asAddress(value);
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Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
233 }
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
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parents: 4277
diff changeset
234
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
235 public Address asObjectAddr(Value value) {
6329
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5798
diff changeset
236 assert value.getKind() == Kind.Object;
4323
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diff changeset
237 return asAddress(value);
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Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
238 }
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
239
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diff changeset
240 public Address asFloatAddr(Value value) {
6329
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5798
diff changeset
241 assert value.getKind() == Kind.Float;
4323
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Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
242 return asAddress(value);
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Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
243 }
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
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diff changeset
244
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5546
diff changeset
245 public Address asDoubleAddr(Value value) {
6329
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5798
diff changeset
246 assert value.getKind() == Kind.Double;
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
247 return asAddress(value);
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
248 }
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
249
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
250 public Address asAddress(Value value) {
4277
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
251 if (isStackSlot(value)) {
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5546
diff changeset
252 StackSlot slot = (StackSlot) value;
6329
92bc58dc5b5e More clean up and documentation in api.code and api.meta.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5798
diff changeset
253 return new Address(slot.getKind(), frameMap.registerConfig.getFrameRegister().asValue(), frameMap.offsetForStackSlot(slot));
4277
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
254 }
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5546
diff changeset
255 return (Address) value;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
256 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
257 }