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annotate graal/com.oracle.graal.lir/src/com/oracle/graal/lir/asm/TargetMethodAssembler.java @ 5506:56860d3f9f39

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More refactorings and renamings in preparation of ci/ri split.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 07 Jun 2012 18:12:01 +0200
parents 438ab53efdd0
children dc71b06d09f8
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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.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.graal.debug.*;
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30 import com.oracle.graal.graph.*;
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31 import com.oracle.graal.lir.*;
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32 import com.oracle.graal.lir.LIR.Code;
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33 import com.oracle.max.asm.*;
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34 import com.oracle.max.cri.ci.*;
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35 import com.oracle.max.cri.ri.*;
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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
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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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59
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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(CiTarget target, RiRuntime 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 CiTargetMethod();
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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 public CiTargetMethod.Mark recordMark(Object id) {
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86 return targetMethod.recordMark(asm.codeBuffer.position(), id, null);
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87 }
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88
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89 public CiTargetMethod.Mark recordMark(Object id, CiTargetMethod.Mark[] references) {
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90 return targetMethod.recordMark(asm.codeBuffer.position(), id, references);
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91 }
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92
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93 public void blockComment(String s) {
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94 targetMethod.addAnnotation(new CiTargetMethod.CodeComment(asm.codeBuffer.position(), s));
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95 }
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96
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97 public CiTargetMethod finishTargetMethod(Object name, boolean isStub) {
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98 // Install code, data and frame size
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99 targetMethod.setTargetCode(asm.codeBuffer.close(false), asm.codeBuffer.position());
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100
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101 // Record exception handlers if they exist
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102 if (exceptionInfoList != null) {
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103 for (ExceptionInfo ei : exceptionInfoList) {
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104 int codeOffset = ei.codeOffset;
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105 targetMethod.recordExceptionHandler(codeOffset, ei.exceptionEdge.label().position());
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106 }
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107 }
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108
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109 Debug.metric("TargetMethods").increment();
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110 Debug.metric("CodeBytesEmitted").add(targetMethod.targetCodeSize());
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111 Debug.metric("SafepointsEmitted").add(targetMethod.safepoints.size());
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112 Debug.metric("DataPatches").add(targetMethod.dataReferences.size());
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113 Debug.metric("ExceptionHandlersEmitted").add(targetMethod.exceptionHandlers.size());
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114
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115 Debug.log("Finished target method %s, isStub %b", name, isStub);
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116 /*
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117 if (GraalOptions.PrintAssembly && !TTY.isSuppressed() && !isStub) {
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118 Util.printSection("Target Method", Util.SECTION_CHARACTER);
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119 TTY.println("Name: " + name);
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120 TTY.println("Frame size: " + targetMethod.frameSize());
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121 TTY.println("Register size: " + asm.target.arch.registerReferenceMapBitCount);
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122
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123 if (GraalOptions.PrintCodeBytes) {
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124 Util.printSection("Code", Util.SUB_SECTION_CHARACTER);
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125 TTY.println("Code: %d bytes", targetMethod.targetCodeSize());
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126 Util.printBytes(0L, targetMethod.targetCode(), 0, targetMethod.targetCodeSize(), GraalOptions.PrintAssemblyBytesPerLine);
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127 }
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128
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diff changeset
129 Util.printSection("Disassembly", Util.SUB_SECTION_CHARACTER);
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diff changeset
130 String disassembly = runtime.disassemble(targetMethod);
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diff changeset
131 TTY.println(disassembly);
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diff changeset
132 boolean noDis = disassembly == null || disassembly.length() == 0;
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diff changeset
133
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134 Util.printSection("Safepoints", Util.SUB_SECTION_CHARACTER);
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diff changeset
135 for (CiTargetMethod.Safepoint x : targetMethod.safepoints) {
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136 TTY.println(x.toString());
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diff changeset
137 if (noDis && x.debugInfo != null) {
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diff changeset
138 TTY.println(CiUtil.indent(x.debugInfo.toString(), " "));
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139 }
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diff changeset
140 }
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diff changeset
141
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diff changeset
142 Util.printSection("Data Patches", Util.SUB_SECTION_CHARACTER);
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parents:
diff changeset
143 for (CiTargetMethod.DataPatch x : targetMethod.dataReferences) {
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diff changeset
144 TTY.println(x.toString());
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diff changeset
145 }
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diff changeset
146
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diff changeset
147 Util.printSection("Marks", Util.SUB_SECTION_CHARACTER);
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diff changeset
148 for (CiTargetMethod.Mark x : targetMethod.marks) {
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diff changeset
149 TTY.println(x.toString());
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diff changeset
150 }
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diff changeset
151
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diff changeset
152 Util.printSection("Exception Handlers", Util.SUB_SECTION_CHARACTER);
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153 for (CiTargetMethod.ExceptionHandler x : targetMethod.exceptionHandlers) {
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diff changeset
154 TTY.println(x.toString());
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155 }
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156 }
4524
dcc8f5c6f394 Refactorings to prepare for LIR project splitting
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diff changeset
157 */
3733
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158
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159 return targetMethod;
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diff changeset
160 }
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diff changeset
161
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162 public void recordExceptionHandlers(int pcOffset, LIRDebugInfo info) {
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163 if (info != null) {
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164 if (info.exceptionEdge != null) {
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165 if (exceptionInfoList == null) {
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diff changeset
166 exceptionInfoList = new ArrayList<>(4);
3733
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diff changeset
167 }
4524
dcc8f5c6f394 Refactorings to prepare for LIR project splitting
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diff changeset
168 exceptionInfoList.add(new ExceptionInfo(pcOffset, info.exceptionEdge));
3733
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169 }
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diff changeset
170 }
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parents:
diff changeset
171 }
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diff changeset
172
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diff changeset
173 public void recordImplicitException(int pcOffset, LIRDebugInfo info) {
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diff changeset
174 // record an implicit exception point
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diff changeset
175 if (info != null) {
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diff changeset
176 assert lastSafepointPos < pcOffset : lastSafepointPos + "<" + pcOffset;
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diff changeset
177 lastSafepointPos = pcOffset;
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178 targetMethod.recordSafepoint(pcOffset, info.debugInfo());
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
179 assert info.exceptionEdge == null;
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parents:
diff changeset
180 }
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diff changeset
181 }
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182
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diff changeset
183 public void recordDirectCall(int posBefore, int posAfter, Object callTarget, LIRDebugInfo info) {
3733
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184 CiDebugInfo debugInfo = info != null ? info.debugInfo() : null;
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parents:
diff changeset
185 assert lastSafepointPos < posAfter;
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diff changeset
186 lastSafepointPos = posAfter;
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bc8527f3071c Adjust code base to new level of warnings.
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diff changeset
187 targetMethod.recordCall(posBefore, posAfter - posBefore, callTarget, debugInfo, true);
3733
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188 }
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diff changeset
189
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diff changeset
190 public void recordIndirectCall(int posBefore, int posAfter, Object callTarget, LIRDebugInfo info) {
3733
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diff changeset
191 CiDebugInfo debugInfo = info != null ? info.debugInfo() : null;
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diff changeset
192 assert lastSafepointPos < posAfter;
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193 lastSafepointPos = posAfter;
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diff changeset
194 targetMethod.recordCall(posBefore, posAfter - posBefore, callTarget, debugInfo, false);
3733
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195 }
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diff changeset
196
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diff changeset
197 public void recordSafepoint(int pos, LIRDebugInfo info) {
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diff changeset
198 // safepoints always need debug info
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diff changeset
199 CiDebugInfo debugInfo = info.debugInfo();
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diff changeset
200 assert lastSafepointPos < pos;
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diff changeset
201 lastSafepointPos = pos;
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diff changeset
202 targetMethod.recordSafepoint(pos, debugInfo);
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diff changeset
203 }
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diff changeset
204
5501
d89b20486d87 Renaming CiConstant => RiConstant.
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diff changeset
205 public CiAddress recordDataReferenceInCode(RiConstant data, int alignment) {
3733
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diff changeset
206 assert data != null;
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diff changeset
207 int pos = asm.codeBuffer.position();
4405
aa867c7c1d1e Remove TraceRelocation flag.
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diff changeset
208 Debug.log("Data reference in code: pos = %d, data = %s", pos, data.toString());
3733
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diff changeset
209 targetMethod.recordDataReference(pos, data, alignment);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
210 return CiAddress.Placeholder;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
211 }
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parents:
diff changeset
212
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
213 public int lastSafepointPos() {
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diff changeset
214 return lastSafepointPos;
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parents:
diff changeset
215 }
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parents:
diff changeset
216
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parents:
diff changeset
217
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
218 /**
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parents:
diff changeset
219 * Returns the integer value of any constants that can be represented by a 32-bit integer value,
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diff changeset
220 * including long constants that fit into the 32-bit range.
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parents:
diff changeset
221 */
5506
56860d3f9f39 More refactorings and renamings in preparation of ci/ri split.
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parents: 5503
diff changeset
222 public int asIntConst(RiValue value) {
5503
438ab53efdd0 Renaming CiKind => RiKind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5501
diff changeset
223 assert (value.kind.stackKind() == RiKind.Int || value.kind == RiKind.Jsr || value.kind == RiKind.Long) && isConstant(value);
5501
d89b20486d87 Renaming CiConstant => RiConstant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5273
diff changeset
224 long c = ((RiConstant) value).asLong();
3733
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parents:
diff changeset
225 if (!(NumUtil.isInt(c))) {
4524
dcc8f5c6f394 Refactorings to prepare for LIR project splitting
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diff changeset
226 throw GraalInternalError.shouldNotReachHere();
3733
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parents:
diff changeset
227 }
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parents:
diff changeset
228 return (int) c;
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parents:
diff changeset
229 }
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parents:
diff changeset
230
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parents:
diff changeset
231 /**
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parents:
diff changeset
232 * Returns the address of a float constant that is embedded as a data references into the code.
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parents:
diff changeset
233 */
5506
56860d3f9f39 More refactorings and renamings in preparation of ci/ri split.
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diff changeset
234 public CiAddress asFloatConstRef(RiValue value) {
3733
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parents:
diff changeset
235 return asFloatConstRef(value, 4);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
236 }
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
237
5506
56860d3f9f39 More refactorings and renamings in preparation of ci/ri split.
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diff changeset
238 public CiAddress asFloatConstRef(RiValue value, int alignment) {
5503
438ab53efdd0 Renaming CiKind => RiKind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5501
diff changeset
239 assert value.kind == RiKind.Float && isConstant(value);
5501
d89b20486d87 Renaming CiConstant => RiConstant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5273
diff changeset
240 return recordDataReferenceInCode((RiConstant) value, alignment);
3733
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parents:
diff changeset
241 }
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parents:
diff changeset
242
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
243 /**
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parents:
diff changeset
244 * Returns the address of a double constant that is embedded as a data references into the code.
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parents:
diff changeset
245 */
5506
56860d3f9f39 More refactorings and renamings in preparation of ci/ri split.
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diff changeset
246 public CiAddress asDoubleConstRef(RiValue value) {
3733
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parents:
diff changeset
247 return asDoubleConstRef(value, 8);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
248 }
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parents:
diff changeset
249
5506
56860d3f9f39 More refactorings and renamings in preparation of ci/ri split.
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parents: 5503
diff changeset
250 public CiAddress asDoubleConstRef(RiValue value, int alignment) {
5503
438ab53efdd0 Renaming CiKind => RiKind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5501
diff changeset
251 assert value.kind == RiKind.Double && isConstant(value);
5501
d89b20486d87 Renaming CiConstant => RiConstant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
252 return recordDataReferenceInCode((RiConstant) value, alignment);
3733
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parents:
diff changeset
253 }
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parents:
diff changeset
254
4277
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
255 /**
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
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parents: 4265
diff changeset
256 * 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
257 */
5506
56860d3f9f39 More refactorings and renamings in preparation of ci/ri split.
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diff changeset
258 public CiAddress asLongConstRef(RiValue value) {
5503
438ab53efdd0 Renaming CiKind => RiKind.
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parents: 5501
diff changeset
259 assert value.kind == RiKind.Long && isConstant(value);
5501
d89b20486d87 Renaming CiConstant => RiConstant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5273
diff changeset
260 return recordDataReferenceInCode((RiConstant) value, 8);
4277
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4265
diff changeset
261 }
9a3a0cdb6e34 Remove asAddress from FrameMap, I don't like it there.
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parents: 4265
diff changeset
262
5506
56860d3f9f39 More refactorings and renamings in preparation of ci/ri split.
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parents: 5503
diff changeset
263 public CiAddress asIntAddr(RiValue value) {
5503
438ab53efdd0 Renaming CiKind => RiKind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5501
diff changeset
264 assert value.kind == RiKind.Int;
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265 return asAddress(value);
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266 }
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267
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268 public CiAddress asLongAddr(RiValue value) {
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269 assert value.kind == RiKind.Long;
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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 asObjectAddr(RiValue value) {
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274 assert value.kind == RiKind.Object;
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275 return asAddress(value);
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276 }
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277
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278 public CiAddress asFloatAddr(RiValue value) {
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279 assert value.kind == RiKind.Float;
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280 return asAddress(value);
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281 }
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282
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283 public CiAddress asDoubleAddr(RiValue value) {
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284 assert value.kind == RiKind.Double;
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285 return asAddress(value);
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286 }
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287
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288 public CiAddress asAddress(RiValue value) {
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289 if (isStackSlot(value)) {
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290 CiStackSlot slot = (CiStackSlot) value;
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291 return new CiAddress(slot.kind, frameMap.registerConfig.getFrameRegister().asValue(), frameMap.offsetForStackSlot(slot));
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292 }
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293 return (CiAddress) value;
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294 }
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295 }