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annotate graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/asm/TargetMethodAssembler.java @ 4524:dcc8f5c6f394

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Refactorings to prepare for LIR project splitting
author Christian Wimmer <Christian.Wimmer@Oracle.com>
date Wed, 08 Feb 2012 18:19:09 -0800
parents aa867c7c1d1e
children
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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.max.graal.compiler.asm;
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24
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25 import static com.oracle.max.cri.ci.CiValueUtil.*;
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26
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27 import java.util.*;
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28
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29 import com.oracle.max.asm.*;
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30 import com.oracle.max.cri.ci.*;
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31 import com.oracle.max.cri.ri.*;
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32 import com.oracle.max.graal.compiler.lir.*;
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33 import com.oracle.max.graal.compiler.lir.LIR.SlowPath;
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34 import com.oracle.max.graal.debug.*;
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35 import com.oracle.max.graal.graph.*;
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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 CiTargetMethod targetMethod;
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51 public final CiTarget target;
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52 public final RiRuntime runtime;
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53 public final FrameMap frameMap;
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54 public final List<SlowPath> slowPaths;
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55
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56 private List<ExceptionInfo> exceptionInfoList;
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57 private int lastSafepointPos;
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58
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59 public TargetMethodAssembler(CiTarget target, RiRuntime runtime, FrameMap frameMap, List<SlowPath> slowPaths, AbstractAssembler asm) {
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60 this.target = target;
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61 this.runtime = runtime;
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62 this.frameMap = frameMap;
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63 this.slowPaths = slowPaths;
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64 this.asm = asm;
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65 this.targetMethod = new CiTargetMethod();
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66 // 0 is a valid pc for safepoints in template methods
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67 this.lastSafepointPos = -1;
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68 }
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69
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70 public void setFrameSize(int frameSize) {
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71 targetMethod.setFrameSize(frameSize);
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72 }
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73
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74 public CiTargetMethod.Mark recordMark(Object id, CiTargetMethod.Mark[] references) {
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75 return targetMethod.recordMark(asm.codeBuffer.position(), id, references);
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76 }
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77
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78 public void blockComment(String s) {
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79 targetMethod.addAnnotation(new CiTargetMethod.CodeComment(asm.codeBuffer.position(), s));
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80 }
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81
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82 public CiTargetMethod finishTargetMethod(Object name, boolean isStub) {
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83 // Install code, data and frame size
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84 targetMethod.setTargetCode(asm.codeBuffer.close(false), asm.codeBuffer.position());
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85
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86 // Record exception handlers if they exist
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87 if (exceptionInfoList != null) {
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88 for (ExceptionInfo ei : exceptionInfoList) {
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89 int codeOffset = ei.codeOffset;
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90 targetMethod.recordExceptionHandler(codeOffset, -1, 0, ei.exceptionEdge.label().position(), -1, null);
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91 }
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92 }
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93
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94 Debug.metric("TargetMethods").increment();
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95 Debug.metric("CodeBytesEmitted").add(targetMethod.targetCodeSize());
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96 Debug.metric("SafepointsEmitted").add(targetMethod.safepoints.size());
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97 Debug.metric("DataPatches").add(targetMethod.dataReferences.size());
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98 Debug.metric("ExceptionHandlersEmitted").add(targetMethod.exceptionHandlers.size());
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99
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100 Debug.log("Finished target method %s, isStub %d", name, isStub);
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101 /*
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102 if (GraalOptions.PrintAssembly && !TTY.isSuppressed() && !isStub) {
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103 Util.printSection("Target Method", Util.SECTION_CHARACTER);
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104 TTY.println("Name: " + name);
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105 TTY.println("Frame size: " + targetMethod.frameSize());
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106 TTY.println("Register size: " + asm.target.arch.registerReferenceMapBitCount);
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107
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108 if (GraalOptions.PrintCodeBytes) {
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109 Util.printSection("Code", Util.SUB_SECTION_CHARACTER);
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110 TTY.println("Code: %d bytes", targetMethod.targetCodeSize());
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111 Util.printBytes(0L, targetMethod.targetCode(), 0, targetMethod.targetCodeSize(), GraalOptions.PrintAssemblyBytesPerLine);
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112 }
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113
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114 Util.printSection("Disassembly", Util.SUB_SECTION_CHARACTER);
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115 String disassembly = runtime.disassemble(targetMethod);
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116 TTY.println(disassembly);
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117 boolean noDis = disassembly == null || disassembly.length() == 0;
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118
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119 Util.printSection("Safepoints", Util.SUB_SECTION_CHARACTER);
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120 for (CiTargetMethod.Safepoint x : targetMethod.safepoints) {
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121 TTY.println(x.toString());
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122 if (noDis && x.debugInfo != null) {
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123 TTY.println(CiUtil.indent(x.debugInfo.toString(), " "));
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124 }
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125 }
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126
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127 Util.printSection("Data Patches", Util.SUB_SECTION_CHARACTER);
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128 for (CiTargetMethod.DataPatch x : targetMethod.dataReferences) {
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129 TTY.println(x.toString());
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130 }
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131
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diff changeset
132 Util.printSection("Marks", Util.SUB_SECTION_CHARACTER);
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diff changeset
133 for (CiTargetMethod.Mark x : targetMethod.marks) {
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diff changeset
134 TTY.println(x.toString());
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parents:
diff changeset
135 }
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diff changeset
136
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diff changeset
137 Util.printSection("Exception Handlers", Util.SUB_SECTION_CHARACTER);
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138 for (CiTargetMethod.ExceptionHandler x : targetMethod.exceptionHandlers) {
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diff changeset
139 TTY.println(x.toString());
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diff changeset
140 }
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diff changeset
141 }
4524
dcc8f5c6f394 Refactorings to prepare for LIR project splitting
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diff changeset
142 */
3733
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143
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diff changeset
144 return targetMethod;
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diff changeset
145 }
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146
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diff changeset
147 public void recordExceptionHandlers(int pcOffset, LIRDebugInfo info) {
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148 if (info != null) {
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diff changeset
149 if (info.exceptionEdge != null) {
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diff changeset
150 if (exceptionInfoList == null) {
4142
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diff changeset
151 exceptionInfoList = new ArrayList<>(4);
3733
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152 }
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diff changeset
153 exceptionInfoList.add(new ExceptionInfo(pcOffset, info.exceptionEdge));
3733
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154 }
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155 }
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parents:
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156 }
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157
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158 public void recordImplicitException(int pcOffset, LIRDebugInfo info) {
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159 // record an implicit exception point
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160 if (info != null) {
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161 assert lastSafepointPos < pcOffset : lastSafepointPos + "<" + pcOffset;
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162 lastSafepointPos = pcOffset;
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163 targetMethod.recordSafepoint(pcOffset, info.debugInfo());
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164 assert info.exceptionEdge == null;
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165 }
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166 }
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167
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diff changeset
168 public void recordDirectCall(int posBefore, int posAfter, Object callTarget, LIRDebugInfo info) {
3733
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169 CiDebugInfo debugInfo = info != null ? info.debugInfo() : null;
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diff changeset
170 assert lastSafepointPos < posAfter;
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171 lastSafepointPos = posAfter;
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diff changeset
172 targetMethod.recordCall(posBefore, posAfter - posBefore, callTarget, debugInfo, true);
3733
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173 }
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diff changeset
174
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diff changeset
175 public void recordIndirectCall(int posBefore, int posAfter, Object callTarget, LIRDebugInfo info) {
3733
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176 CiDebugInfo debugInfo = info != null ? info.debugInfo() : null;
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diff changeset
177 assert lastSafepointPos < posAfter;
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178 lastSafepointPos = posAfter;
4142
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diff changeset
179 targetMethod.recordCall(posBefore, posAfter - posBefore, callTarget, debugInfo, false);
3733
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180 }
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diff changeset
181
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diff changeset
182 public void recordSafepoint(int pos, LIRDebugInfo info) {
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parents:
diff changeset
183 // safepoints always need debug info
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parents:
diff changeset
184 CiDebugInfo debugInfo = info.debugInfo();
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diff changeset
185 assert lastSafepointPos < pos;
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diff changeset
186 lastSafepointPos = pos;
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parents:
diff changeset
187 targetMethod.recordSafepoint(pos, debugInfo);
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diff changeset
188 }
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parents:
diff changeset
189
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diff changeset
190 public CiAddress recordDataReferenceInCode(CiConstant data, int alignment) {
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diff changeset
191 assert data != null;
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diff changeset
192 int pos = asm.codeBuffer.position();
4405
aa867c7c1d1e Remove TraceRelocation flag.
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parents: 4365
diff changeset
193 Debug.log("Data reference in code: pos = %d, data = %s", pos, data.toString());
3733
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diff changeset
194 targetMethod.recordDataReference(pos, data, alignment);
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diff changeset
195 return CiAddress.Placeholder;
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parents:
diff changeset
196 }
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197
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diff changeset
198 public int lastSafepointPos() {
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diff changeset
199 return lastSafepointPos;
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parents:
diff changeset
200 }
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parents:
diff changeset
201
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parents:
diff changeset
202
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parents:
diff changeset
203 /**
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diff changeset
204 * Returns the integer value of any constants that can be represented by a 32-bit integer value,
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205 * including long constants that fit into the 32-bit range.
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diff changeset
206 */
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diff changeset
207 public int asIntConst(CiValue value) {
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
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parents: 4181
diff changeset
208 assert (value.kind.stackKind() == CiKind.Int || value.kind == CiKind.Jsr || value.kind == CiKind.Long) && isConstant(value);
3733
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diff changeset
209 long c = ((CiConstant) value).asLong();
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diff changeset
210 if (!(NumUtil.isInt(c))) {
4524
dcc8f5c6f394 Refactorings to prepare for LIR project splitting
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diff changeset
211 throw GraalInternalError.shouldNotReachHere();
3733
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diff changeset
212 }
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parents:
diff changeset
213 return (int) c;
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parents:
diff changeset
214 }
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parents:
diff changeset
215
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parents:
diff changeset
216 /**
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parents:
diff changeset
217 * Returns the address of a float constant that is embedded as a data references into the code.
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parents:
diff changeset
218 */
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diff changeset
219 public CiAddress asFloatConstRef(CiValue value) {
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parents:
diff changeset
220 return asFloatConstRef(value, 4);
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parents:
diff changeset
221 }
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parents:
diff changeset
222
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parents:
diff changeset
223 public CiAddress asFloatConstRef(CiValue value, int alignment) {
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
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parents: 4181
diff changeset
224 assert value.kind == CiKind.Float && isConstant(value);
3733
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diff changeset
225 return recordDataReferenceInCode((CiConstant) value, alignment);
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parents:
diff changeset
226 }
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parents:
diff changeset
227
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parents:
diff changeset
228 /**
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diff changeset
229 * Returns the address of a double constant that is embedded as a data references into the code.
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diff changeset
230 */
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diff changeset
231 public CiAddress asDoubleConstRef(CiValue value) {
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parents:
diff changeset
232 return asDoubleConstRef(value, 8);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
233 }
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parents:
diff changeset
234
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parents:
diff changeset
235 public CiAddress asDoubleConstRef(CiValue value, int alignment) {
4183
9e0c1b4cfef5 Move all isXxx and asXxx out of CiValue and into their own util class.
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parents: 4181
diff changeset
236 assert value.kind == CiKind.Double && isConstant(value);
3733
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diff changeset
237 return recordDataReferenceInCode((CiConstant) value, alignment);
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parents:
diff changeset
238 }
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parents:
diff changeset
239
4277
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
240 /**
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
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parents: 4265
diff changeset
241 * 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
242 */
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
243 public CiAddress asLongConstRef(CiValue value) {
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parents: 4265
diff changeset
244 assert value.kind == CiKind.Long && isConstant(value);
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
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parents: 4265
diff changeset
245 return recordDataReferenceInCode((CiConstant) value, 8);
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
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parents: 4265
diff changeset
246 }
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
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parents: 4265
diff changeset
247
4323
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
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diff changeset
248 public CiAddress asIntAddr(CiValue value) {
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
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diff changeset
249 assert value.kind == CiKind.Int;
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diff changeset
250 return asAddress(value);
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parents: 4277
diff changeset
251 }
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diff changeset
252
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
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parents: 4277
diff changeset
253 public CiAddress asLongAddr(CiValue value) {
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
254 assert value.kind == CiKind.Long;
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parents: 4277
diff changeset
255 return asAddress(value);
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Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
256 }
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Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
257
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
258 public CiAddress asObjectAddr(CiValue value) {
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
259 assert value.kind == CiKind.Object;
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Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
260 return asAddress(value);
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
261 }
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
262
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
263 public CiAddress asFloatAddr(CiValue value) {
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
264 assert value.kind == CiKind.Float;
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
265 return asAddress(value);
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
266 }
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
267
df5547057954 Remove LIROpcode and use non-anonymous subclasses of LIRInstruction
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4277
diff changeset
268 public CiAddress asDoubleAddr(CiValue value) {
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269 assert value.kind == CiKind.Double;
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270 return asAddress(value);
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271 }
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272
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273 public CiAddress asAddress(CiValue value) {
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274 if (isStackSlot(value)) {
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275 CiStackSlot slot = (CiStackSlot) value;
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276 return new CiAddress(slot.kind, frameMap.registerConfig.getFrameRegister().asValue(), frameMap.offsetForStackSlot(slot));
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277 }
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278 return (CiAddress) value;
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279 }
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280 }